Tropical Storm Lowell
No official Baja watch/warningNo official Baja watch or warning is in effect in the current NHC data.
Tropical Storm Lowell has maximum sustained winds of 50 mph and is moving W at 14 mph. Gradual weakening is forecast during the next day or so followed by a brief period of reintensification by the end of the week.
Lowell advisory updated:
Key Facts
- Type
- Tropical Storm
- Max sustained wind
- 50 mph
- Min pressure
- 991 mb
- Movement
- W 14 mph
- Distance to BCS
- 3028 mi
- Type
- Tropical Storm
- Max sustained wind
- 50 mph
- Min pressure
- 991 mb
- Movement
- W 14 mph
- Distance to BCS
- 3028 mi
Lowell Storm Tracker
Map sources: NHC 7-Day OutlookNHC storm track and coneNOAA GFS wind. Visualization by BajaStorms.
Official Graphics
Constructed guidance: Not the official NHC forecast
Advisory Timeline
Advisory Timeline #56
Lowell turning westward as it gradually weakens.
Official NHC advisory text
ZCZC HFOTCPCP4 ALL TTAA00 PHFO DDHHMM BULLETIN Tropical Storm Lowell Advisory Number 56 NWS Central Pacific Hurricane Center Honolulu HI EP122026 Issued by NWS National Hurricane Center Miami FL 500 PM HST Wed Sep 09 2026 ...LOWELL TURNING WESTWARD AS IT GRADUALLY WEAKENS... SUMMARY OF 500 PM HST...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...29.2N 165.1W ABOUT 610 MI...985 KM NW OF LIHUE HAWAII MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...991 MB...29.27 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM HST (0300 UTC), the center of Tropical Storm Lowell was located near latitude 29.2 North, longitude 165.1 West. Lowell is now moving toward the west near 14 mph (22 km/h). A general westward motion is forecast for the next day or so. Then, the system's forward motion is expected to slow late this week as it turns back northwestward. Maximum sustained winds have decreased to near 50 mph (85 km/h) with higher gusts. Gradual weakening is forecast during the next day or so followed by a brief period of reintensification by the end of the week. Tropical-storm-force winds extend outward up to 195 miles (315 km) from the center. The estimated minimum central pressure is 991 mb (29.27 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 PM HST. $$ Forecaster Papin NNNN
Source: NOAA / NHC
Advisory Timeline #55
Lowell moving northwestward.
Official NHC advisory text
ZCZC HFOTCPCP4 ALL TTAA00 PHFO DDHHMM BULLETIN Tropical Storm Lowell Advisory Number 55 NWS Central Pacific Hurricane Center Honolulu HI EP122026 Issued by NWS National Hurricane Center Miami FL 1100 AM HST Wed Sep 09 2026 ...LOWELL MOVING NORTHWESTWARD... SUMMARY OF 1100 AM HST...2100 UTC...INFORMATION ----------------------------------------------- LOCATION...28.9N 163.7W ABOUT 545 MI...880 KM NNW OF LIHUE HAWAII MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM HST (2100 UTC), the center of Tropical Storm Lowell was located near latitude 28.9 North, longitude 163.7 West. Lowell is moving toward the northwest near 14 mph (22 km/h). A gradual turn toward the west-northwest and then west is forecast today into Thursday. Then, the system's forward motion is expected to slow later this week. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Gradual weakening is forecast during the next few days. Tropical-storm-force winds extend outward up to 205 miles (335 km) from the center. The estimated minimum central pressure is 987 mb (29.15 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 PM HST. $$ Forecaster Kelly NNNN
Source: NOAA / NHC
Advisory Timeline #54
Lowell remains a tropical storm as it moves north-northwest.
Official NHC advisory text
ZCZC HFOTCPCP4 ALL TTAA00 PHFO DDHHMM BULLETIN Tropical Storm Lowell Advisory Number 54 NWS Central Pacific Hurricane Center Honolulu HI EP122026 Issued by NWS National Hurricane Center Miami FL 500 AM HST Wed Sep 09 2026 ...LOWELL REMAINS A TROPICAL STORM AS IT MOVES NORTH-NORTHWEST... SUMMARY OF 500 AM HST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...28.1N 162.3W ABOUT 460 MI...740 KM NNW OF LIHUE HAWAII MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...NNW OR 330 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...985 MB...29.09 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 AM HST (1500 UTC), the center of Tropical Storm Lowell was located near latitude 28.1 North, longitude 162.3 West. Lowell is moving toward the north-northwest near 13 mph (20 km/h). A gradual turn toward the northwest and then west is forecast today into Thursday. Then, the system's forward motion is expected to slow later this week. Maximum sustained winds have decreased to near 60 mph (95 km/h) with higher gusts. Gradual weakening is forecast during the next few days. Tropical-storm-force winds extend outward up to 255 miles (405 km) from the center. The estimated minimum central pressure is 985 mb (29.09 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 1100 AM HST. $$ Forecaster Evans/Kelly NNNN
Source: NOAA / NHC
Advisory Timeline #53
Lowell weakening and moving away from the hawaiian islands.
Official NHC advisory text
ZCZC HFOTCPCP4 ALL TTAA00 PHFO DDHHMM BULLETIN Tropical Storm Lowell Advisory Number 53 NWS Central Pacific Hurricane Center Honolulu HI EP122026 Issued by NWS National Hurricane Center Miami FL 1100 PM HST Tue Sep 08 2026 ...LOWELL WEAKENING AND MOVING AWAY FROM THE HAWAIIAN ISLANDS... SUMMARY OF 1100 PM HST...0900 UTC...INFORMATION ----------------------------------------------- LOCATION...27.3N 161.5W ABOUT 390 MI...625 KM NNW OF LIHUE HAWAII MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...N OR 350 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...981 MB...28.97 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM HST (0900 UTC), the center of Tropical Storm Lowell was located near latitude 27.3 North, longitude 161.5 West. Lowell is moving toward the north near 14 mph (22 km/h). A slow turn toward the northwest then west is forecast Wednesday into Thursday. Then, a slower forward speed is expected later on Thursday and Friday. Maximum sustained winds have decreased to near 65 mph (100 km/h) with higher gusts. Gradual weakening is forecast during the next few days. Tropical-storm-force winds extend outward up to 255 miles (405 km) from the center. The estimated minimum central pressure is 981 mb (28.97 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells from Lowell will continue to generate life-threatening surf and rip current conditions during the next day or so along exposed coasts of the Hawaiian Islands. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 AM HST. $$ Forecaster Katz/Reinhart NNNN
Source: NOAA / NHC
Advisory Timeline #52
Lowell weakening.
Official NHC advisory text
ZCZC HFOTCPCP4 ALL TTAA00 PHFO DDHHMM BULLETIN Tropical Storm Lowell Advisory Number 52 NWS Central Pacific Hurricane Center Honolulu HI EP122026 Issued by NWS National Hurricane Center Miami FL 500 PM HST Tue Sep 08 2026 ...LOWELL WEAKENING... ...FLASH FLOODING THREAT REMAINS IN THE HAWAIIAN ISLANDS THROUGH WEDNESDAY... SUMMARY OF 500 PM HST...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...26.2N 161.1W ABOUT 310 MI...500 KM NNW OF LIHUE HAWAII MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...N OR 355 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...978 MB...28.88 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM HST (0300 UTC), the center of Tropical Storm Lowell was located near latitude 26.2 North, longitude 161.1 West. Lowell is moving toward the north near 15 mph (24 km/h). A slow turn toward the northwest then west is forecast Wednesday into Thursday. Then, a slower forward speed is expected on Thursday and Friday before Lowell turns back toward the northwest then north late this week. Maximum sustained winds have decreased to near 70 mph (110 km/h) with higher gusts. Gradual weakening is forecast during the next few days. Tropical-storm-force winds extend outward up to 255 miles (405 km) from the center. The estimated minimum central pressure is 978 mb (28.88 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Lowell can be found in the Tropical Cyclone Discussion under AWIPS header HFOTCDCP4 and WMO header WTPA44 PHFO. RAINFALL: Additional rainfall of 1 to 3 inches are expected across the Big Island and eastern Maui with isolated maximum amounts of 5 inches possible across the Big Island. This may result in additional flooding of urban and low-lying portions of the Big Island. Additional rainfall of 2 inches or less is expected elsewhere across the island chain. The additional rainfall could still promote instances of new flooding or prolong any on-going flooding. For a complete depiction of forecast rainfall associated with Lowell, please see the National Weather Service Storm Total Rainfall Graphic available at https://www.nhc.noaa.gov/graphics_cp4.shtml?rainqpf For a list of rainfall observations and wind reports associated with Lowell, see the companion storm summary at WBCSCCNS4 with the WMO header ACUS44 KWBC or at the following link: www.wpc.ncep.noaa.gov/discussions/nfdscc4.html SURF: Swells from Lowell will continue to generate life-threatening surf and rip current conditions during the next few days across many of the Hawaiian Islands. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1100 PM HST. $$ Forecaster Adams NNNN
Source: NOAA / NHC
Advisory Timeline #51
Hurricane Lowell Advisory Number 51
Official NHC advisory text
ZCZC HFOTCPCP4 ALL TTAA00 PHFO DDHHMM BULLETIN Hurricane Lowell Advisory Number 51 NWS Central Pacific Hurricane Center Honolulu HI EP122026 Issued by NWS National Hurricane Center Miami FL 1100 AM HST Tue Sep 08 2026 ...FLASH FLOODING THREAT REMAINS IN THE HAWAIIAN ISLANDS DUE TO LOWELL... SUMMARY OF 1100 AM HST...2100 UTC...INFORMATION ----------------------------------------------- LOCATION...25.1N 160.8W ABOUT 230 MI...375 KM NNW OF LIHUE HAWAII MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...N OR 355 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...979 MB...28.91 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM HST (2100 UTC), the center of Hurricane Lowell was located near latitude 25.1 North, longitude 160.8 West. Lowell is moving toward the north near 15 mph (24 km/h). This general motion is forecast through today, taking the core of Lowell farther from Kauai County. Lowell is then forecast to turn toward the northwest and west and slow down on Wednesday and Thursday after passing the main Hawaiian Islands. Maximum sustained winds have decreased to near 75 mph (120 km/h) with higher gusts. Gradual weakening is forecast during the next few days. Hurricane-force winds extend outward up to 60 miles (95 km) from the center and tropical-storm-force winds extend outward up to 205 miles (335 km). The estimated minimum central pressure is 979 mb (28.91 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Lowell can be found in the Tropical Cyclone Discussion under AWIPS header HFOTCDCP4 and WMO header WTPA44 PHFO. RAINFALL: Hurricane Lowell is expected to produce additional rainfall totals of 1 to 3 inches for Kauai, with maximum storm totals of 24 inches possible. For the Big Island, an additional 3 to 6 inches of rain is expected with isolated storm totals of 8 inches possible. For Oahu and Maui counties, an additional 1 to 3 inches of rain is expected with isolated storm totals of 8 inches possible. This may produce areas of flooding for urban and low-lying regions, with significant flash flooding and mudslides possible across portions of the Big Island. For a complete depiction of forecast rainfall associated with Hurricane Lowell, please see the National Weather Service Storm Total Rainfall Graphic available at https://www.nhc.noaa.gov/graphics_cp4.shtml?rainqpf For a list of rainfall observations (and wind reports) associated with Hurricane Lowell, see the companion storm summary at WBCSCCNS4 with the WMO header ACUS42 KWBC or at the following link: www.wpc.ncep.noaa.gov/discussions/nfdscc4.html SURF: Swells from Lowell will continue to generate life-threatening surf and rip current conditions during the next few days across many of the Hawaiian Islands. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 PM HST. $$ Forecaster Blake NNNN
Source: NOAA / NHC
Advisory Timeline #50A
Hurricane Lowell Intermediate Advisory Number 50A
Official NHC advisory text
ZCZC HFOTCPCP4 ALL TTAA00 PHFO DDHHMM BULLETIN Hurricane Lowell Intermediate Advisory Number 50A NWS Central Pacific Hurricane Center Honolulu HI EP122026 Issued by NWS National Hurricane Center Miami FL 800 AM HST Tue Sep 08 2026 ...FLASH FLOODING RISK REMAINS IN THE HAWAIIAN ISLANDS DUE TO LOWELL... SUMMARY OF 800 AM HST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...24.5N 160.7W ABOUT 190 MI...310 KM NNW OF LIHUE HAWAII ABOUT 285 MI...455 KM NW OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...972 MB...28.71 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: All warnings have been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 800 AM HST (1800 UTC), the center of Hurricane Lowell was located near latitude 24.5 North, longitude 160.7 West. Lowell is moving toward the north near 18 mph (30 km/h). This general motion is forecast through today, taking the core of Lowell farther from Kauai County. Lowell is then forecast to turn toward the northwest and west and slow down on Wednesday and Thursday after passing the main Hawaiian Islands. Maximum sustained winds have decreased to near 80 mph (130 km/h) with higher gusts. Further weakening is forecast, and Lowell should become a tropical storm later today and continue to weaken for the next couple of days. Hurricane-force winds extend outward up to 70 miles (110 km) from the center and tropical-storm-force winds extend outward up to 230 miles (370 km). The estimated minimum central pressure is 972 mb (28.71 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Lowell can be found in the Tropical Cyclone Discussion under AWIPS header HFOTCDCP4 and WMO header WTPA44 PHFO. RAINFALL: Hurricane Lowell is expected to produce additional rainfall totals of 2 to 4 inches for Kauai, with maximum storm totals of 24 inches possible. For the Big Island, an additional 3 to 6 inches of rain is expected with isolated storm totals of 8 inches possible. For Oahu and Maui counties, an additional 1 to 3 inches of rain is expected with isolated storm totals of 8 inches possible. This rainfall may produce significant flash flooding and mudslides, especially across Kauai county and portions of the Big Island. For a complete depiction of forecast rainfall associated with Hurricane Lowell, please see the National Weather Service Storm Total Rainfall Graphic available at https://www.nhc.noaa.gov/graphics_cp4.shtml?rainqpf STORM SURGE: Water levels may remain elevated along the coasts of Niihau, Kauai, and Oahu due to large waves, and will begin to subside after the next high tide cycle. SURF: Swells from Lowell will continue to generate life-threatening surf and rip current conditions during the next few days across many of the Hawaiian Islands. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1100 AM HST. $$ Forecaster Blake NNNN
Source: NOAA / NHC
Advisory Timeline #50
Flash flooding in the hawaiian islands continues with Lowell.
Official NHC advisory text
ZCZC HFOTCPCP4 ALL TTAA00 PHFO DDHHMM BULLETIN Hurricane Lowell Advisory Number 50 NWS Central Pacific Hurricane Center Honolulu HI EP122026 Issued by NWS National Hurricane Center Miami FL 500 AM HST Tue Sep 08 2026 ...FLASH FLOODING IN THE HAWAIIAN ISLANDS CONTINUES WITH LOWELL... SUMMARY OF 500 AM HST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...23.7N 160.7W ABOUT 145 MI...230 KM NW OF LIHUE HAWAII ABOUT 245 MI...390 KM NW OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...967 MB...28.56 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Kauai County, including the islands of Kauai and Niihau * The Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals A Tropical Storm Warning is in effect for... * Oahu A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A Tropical Storm Warning means that tropical storm conditions are expected within the warning area. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 500 AM HST (1500 UTC), the center of Hurricane Lowell was located near latitude 23.7 North, longitude 160.7 West. Lowell is moving toward the north near 18 mph (30 km/h). This general motion is forecast through today, taking the core of Lowell farther from Kauai County. Lowell is then forecast to turn toward the northwest and west and slow down on Wednesday and Thursday after passing the main Hawaiian Islands. Maximum sustained winds have decreased to near 90 mph (150 km/h) with higher gusts. Weakening is forecast, and Lowell should become a tropical storm later today and continue to weaken for the next couple of days. Hurricane-force winds extend outward up to 70 miles (110 km) from the center and tropical-storm-force winds extend outward up to 230 miles (370 km). Lihue Airport (PHLI) along the southeastern coast of Kauai recently reported sustained winds of 35 mph (56 km/h) with a gust to 47 mph (76 km/h). The estimated minimum central pressure is 967 mb (28.56 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Lowell can be found in the Tropical Cyclone Discussion under AWIPS header HFOTCDCP4 and WMO header WTPA44 PHFO. WIND: Hurricane conditions are occuring across portions of Kauai County. Wind speeds atop and on the windward and leeward sides of hills and mountains are often up to 30 percent stronger than the near-surface winds. Tropical storm conditions, especially in gusts, are occurring on Oahu. Hurricane conditions are ongoing in the Papahanaumokuakea Marine National Monument between Nihoa and French Frigate Shoals. RAINFALL: Hurricane Lowell is expected to produce additional rainfall totals of 2 to 4 inches for Kauai, with maximum storm totals of 24 inches possible. For the Big Island, an additional 3 to 6 inches of rain is expected with isolated storm totals of 8 inches possible. For Oahu and Maui counties, an additional 1 to 3 inches of rain is expected with isolated storm totals of 8 inches possible. This rainfall may produce significant flash flooding and mudslides, especially across Kauai county and portions of the Big Island. For a complete depiction of forecast rainfall associated with Hurricane Lowell, please see the National Weather Service Storm Total Rainfall Graphic available at https://www.nhc.noaa.gov/graphics_cp4.shtml?rainqpf STORM SURGE: Water levels may remain elevated along the coasts of Niihau, Kauai, and Oahu due to large waves, and will begin to subside after the next high tide cycle. SURF: Swells from Lowell will continue to generate life-threatening surf and rip current conditions during the next few days across many of the Hawaiian Islands. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM HST. Next complete advisory at 1100 AM HST. $$ Forecaster Blake NNNN
Source: NOAA / NHC
Advisory Timeline #49A
Core of Lowell moving north-northwest of niihau.
Official NHC advisory text
ZCZC HFOTCPCP4 ALL TTAA00 PHFO DDHHMM BULLETIN Hurricane Lowell Intermediate Advisory Number 49A NWS Central Pacific Hurricane Center Honolulu HI EP122026 Issued by NWS National Hurricane Center Miami FL 200 AM HST Tue Sep 08 2026 ...CORE OF LOWELL MOVING NORTH-NORTHWEST OF NIIHAU... ...DAMAGING WINDS, HEAVY RAINFALL, AND POWERFUL WAVES STILL IMPACTING KAUAI COUNTY... SUMMARY OF 200 AM HST...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...22.9N 160.8W ABOUT 110 MI...175 KM NW OF LIHUE HAWAII ABOUT 215 MI...345 KM WNW OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...N OR 10 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...965 MB...28.50 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Kauai County, including the islands of Kauai and Niihau * The Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals A Tropical Storm Warning is in effect for... * Oahu A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A Tropical Storm Warning means that tropical storm conditions are expected within the warning area. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 200 AM HST (1200 UTC), the center of Hurricane Lowell was located by an Air Force Reserve Hurricane Hunter aircraft near latitude 22.9 North, longitude 160.8 West. Lowell is moving toward the north near 18 mph (30 km/h). This general motion is forecast through today, taking the core of Lowell farther from Kauai County. Lowell is then forecast to turn toward the northwest and west and slow down on Wednesday and Thursday after passing the main Hawaiian Islands. Maximum sustained winds have decreased to near 105 mph (165 km/h) with higher gusts. Further weakening is expected during the next few days. Hurricane-force winds extend outward up to 70 miles (110 km) from the center and tropical-storm-force winds extend outward up to 195 miles (315 km). Lihue Airport (PHLI) along the southeastern coast of Kauai recently reported sustained winds of 53 mph (85 km/h) with a gust to 75 mph (121 km/h). Daniel K Inouye International Airport (PHNL) in Honolulu recently reported a gust of 43 mph (69 km/h). The estimated minimum central pressure is 965 mb (28.50 inches) based on Air Force Reserve Hurricane Hunter dropsonde data. HAZARDS AFFECTING LAND ---------------------- Key messages for Lowell can be found in the Tropical Cyclone Discussion under AWIPS header HFOTCDCP4 and WMO header WTPA44 PHFO. WIND: Hurricane conditions are occuring across portions of Kauai County. Wind speeds atop and on the windward and leeward sides of hills and mountains are often up to 30 percent stronger than the near-surface winds. Tropical storm conditions, especially in gusts, are occurring on Oahu. Hurricane conditions are ongoing in the Papahanaumokuakea Marine National Monument between Nihoa and French Frigate Shoals. RAINFALL: Lowell is expected to produce additional rainfall totals of 4 to 8 inches for Kauai, with maximum storm totals of 24 inches possible. For the Big Island, an additional 3 to 8 inches of rain is expected with isolated storm totals of 12 inches possible. For Oahu and Maui County, an additional 2 to 5 inches of rain is expected with isolated storm totals of 10 inches possible. This rainfall may produce significant flash flooding and mudslides, especially across Kauai County and portions of the Big Island. For a complete depiction of forecast rainfall associated with Lowell, please see the National Weather Service Storm Total Rainfall Graphic available at https://www.nhc.noaa.gov/graphics_cp4.shtml?rainqpf STORM SURGE: The combination of storm surge and tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Kauai County...2-4 ft, with the highest expected values along the south coast of Kauai and the island of Niihau Oahu...Up to 1 ft The deepest water will occur along the immediate coast near and to the right of the center, where the surge will be accompanied by large and destructive waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For a complete depiction of areas at risk of storm surge inundation, please see the National Weather Service Peak Storm Surge Graphic, available at hurricanes.gov/graphics_cp4.shtml?peakSurge. TORNADOES: Several tornadoes are possible near Kauai and Niihau through the overnight period. A few tornadoes are also possible across the remainder of the Hawaiian Islands. SURF: Swells from Lowell will continue to generate life-threatening surf and rip current conditions during the next few days across many of the Hawaiian Islands. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 500 AM HST. $$ Forecaster Blake NNNN
Source: NOAA / NHC
Advisory Timeline #49
Hurricane Lowell passing just west of niihau.
Official NHC advisory text
ZCZC HFOTCPCP4 ALL TTAA00 PHFO DDHHMM BULLETIN Hurricane Lowell Advisory Number 49 NWS Central Pacific Hurricane Center Honolulu HI EP122026 Issued by NWS National Hurricane Center Miami FL 1100 PM HST Mon Sep 07 2026 ...HURRICANE LOWELL PASSING JUST WEST OF NIIHAU... ...DAMAGING WINDS, HEAVY RAINFALL, AND POWERFUL WAVES IMPACTING KAUAI COUNTY... SUMMARY OF 1100 PM HST...0900 UTC...INFORMATION ----------------------------------------------- LOCATION...21.9N 160.8W ABOUT 90 MI...145 KM W OF LIHUE HAWAII ABOUT 190 MI...305 KM WNW OF HONOLULU HAWAII MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H PRESENT MOVEMENT...NNE OR 20 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...963 MB...28.44 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Kauai County, including the islands of Kauai and Niihau * The Papahanaumokuakea Marine National Monument from Nihoa to French Frigate Shoals A Tropical Storm Warning is in effect for... * Oahu A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A Tropical Storm Warning means that tropical storm conditions are expected within the warning area. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM HST (0900 UTC), the center of Hurricane Lowell was located near latitude 21.9 North, longitude 160.8 West. Lowell is moving toward the north-northeast near 18 mph (30 km/h). A motion toward the north-northeast and north at a similar forward speed is forecast through Tuesday. The core of Lowell is expected to pass near or just west of Niihau overnight into early Tuesday. Then, Lowell is forecast to turn toward the northwest and west and slow down on Wednesday and Thursday after passing the Hawaiian Islands. Maximum sustained winds are near 110 mph (175 km/h) with higher gusts. Lowell will remain a powerful hurricane while passing near the Hawaiian Islands overnight into early Tuesday, and then weakening is expected over the next several days. Hurricane-force winds extend outward up to 70 miles (110 km) from the center and tropical-storm-force winds extend outward up to 195 miles (315 km). Barking Sands (PHBK) on western Kauai recently reported sustained winds of 51 mph (82 km/h) with a gust to 84 mph (135 km/h). Lihue Airport (PHLI) along the southeastern coast of Kauai recently reported sustained winds of 53 mph (85 km/h) with a gust to 79 mph (127 km/h). Daniel K Inouye International Airport (PHNL) in Honolulu recently reported a gust of 45 mph (72 km/h). The estimated minimum central pressure based on aircraft data is 963 mb (28.44 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Lowell can be found in the Tropical Cyclone Discussion under AWIPS header HFOTCDCP4 and WMO header WTPA44 PHFO. WIND: Hurricane conditions are spreading across portions of Kauai County. Wind speeds atop and on the windward and leeward sides of hills and mountains are often up to 30 percent stronger than the near-surface winds. Tropical storm conditions, especially in gusts, are occurring on Oahu. Tropical storm conditions are ongoing in the Papahanaumokuakea Marine National Monument between Nihoa and French Frigate Shoals, and hurricane conditions are expected there early Tuesday. RAINFALL: Lowell is expected to produce additional rainfall totals of 4 to 8 inches for Kauai, with maximum storm totals of 24 inches possible. For the Big Island, an additional 3 to 8 inches of rain is expected with isolated storm totals of 12 inches possible. For Oahu and Maui county, an additional 2 to 5 inches of rain is expected with isolated storm totals of 10 inches possible. This rainfall may produce significant flash flooding and mudslides, especially across Kauai county and portions of the Big Island. For a complete depiction of forecast rainfall associated with Lowell, please see the National Weather Service Storm Total Rainfall Graphic available at https://hurricanes.gov/storm_graphics/EP12/EP1226WPCQPF.gif STORM SURGE: The combination of storm surge and tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Kauai County...2-4 ft, with the highest expected values along the south coast of Kauai and the island of Niihau Oahu...Up to 1 ft The deepest water will occur along the immediate coast near and to the right of the center, where the surge will be accompanied by large and destructive waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For a complete depiction of areas at risk of storm surge inundation, please see the National Weather Service Peak Storm Surge Graphic, available at hurricanes.gov/graphics_cp4.shtml?peakSurge. TORNADOES: Several tornadoes are possible near Kauai and Niihau through the overnight period. A few tornadoes are also possible across the remainder of the Hawaiian Islands. SURF: Swells from Lowell will continue to generate life-threatening surf and rip current conditions during the next few days across many of the Hawaiian Islands. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 200 AM HST. Next complete advisory at 500 AM HST. $$ Forecaster Reinhart NNNN
Source: NOAA / NHC