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Hurricane Nolo Threatens Hawaii with Catastrophic Flooding

Hurricane Nolo Threatens Hawaii with Catastrophic Flooding

A developing tropical system, expected to become Hurricane Nolo, is forecast to bring heavy rainfall and potentially catastrophic flooding to Hawaii. As of 5 a.m. HT on 23 September 2026, the storm's centre was located 320 miles south-southeast of South Point, Hawaii, with sustained winds of 35 mph. The system is predicted to intensify into a hurricane and approach the Big Island by late 24 September, with sustained winds of 110 mph, just below Category 3 strength. Heavy rainfall is expected to begin on 23 September and continue through 26 September, with rainfall totals potentially exceeding 36 inches in higher elevations. A flood watch is in effect for the Big Island, Maui, Lanai, Molokai, and Kahoolawe.

Soon-to-be Hurricane Nolo to threaten Hawaii with 'catastrophic' floods

Soon-to-be Hurricane Nolo to threaten Hawaii with 'catastrophic' floods

An approaching system is raising concern in Hawaii for a "catastrophic" threat from yet another tropical cyclone, for the third time this year.

Tropical Storm Nolo Threatens Hawaii With Catastrophic Floods

Tropical Storm Nolo Threatens Hawaii With Catastrophic Floods

Tropical Storm Nolo, recently named on September 23, 2026, is intensifying south of Hawaii and is expected to reach hurricane strength by September 24. The storm is forecast to bring heavy rainfall, with potential for 'catastrophic flooding' in the eastern Hawaiian Islands, particularly the Big Island and Maui. As of 11 a.m. HT (5 p.m. EDT) on September 23, Nolo was located 310 miles south of South Point, Hawaii, with sustained winds of 40 mph, moving west-northwest at 6 mph. A hurricane watch has been issued for the Big Island, and the storm is expected to pass approximately 100 miles south-southeast of the island late on September 25, with sustained winds of 110 mph, just below Category 3 strength. The National Weather Service has also issued a flood watch for the Big Island, Maui, Lanai, Molokai, and Kahoolawe through September 26.

Hurricane Nolo Threatens Hawaii With Catastrophic Floods

Hurricane Nolo Threatens Hawaii With Catastrophic Floods

Hawaii is bracing for significant impacts as a tropical depression south of the islands is expected to intensify into Hurricane Nolo by September 24, 2026. Heavy rainfall is forecast to begin on September 23, potentially leading to catastrophic flooding and mudslides, especially in areas recovering from Hurricane Lala. As of 5 a.m. HST on September 23, the storm was located 320 miles south-southeast of South Point, Hawaii, with sustained winds of 35 mph. The system is predicted to turn northward, bringing life-threatening surf and rip currents to the region. Rainfall totals could exceed 20 inches in higher elevations, with widespread impacts across the Big Island and eastern Maui. A flood watch is in effect for several islands, including Maui and Molokai, through September 26.

Hawaii Braces for Major Hurricane Amid El Niño Impacts

Hawaii Braces for Major Hurricane Amid El Niño Impacts

Hawaii is preparing for the arrival of Tropical Depression Fifteen-E, which is expected to strengthen into a major hurricane by the weekend, according to the National Hurricane Center (NHC). The storm, to be named Nolo once it becomes a tropical storm, is forecast to pass south of the Big Island, bringing heavy rainfall, strong winds, and potential flooding. Rainfall totals of 5 to 10 inches, with isolated areas receiving up to 20 inches, are expected on Maui, while the rest of the Hawaiian Islands could see 1 to 3 inches of rain, with localized amounts up to 6 inches. The waters surrounding Hawaii are currently under a hurricane warning. This marks the third tropical system to impact Hawaii this year, following Hurricanes Lala and Lowell, which caused significant damage and power outages in August and earlier this month, respectively. (Source time: Wed, 23 Sep 2026 19:16:00 GMT)

Hurricane Watch Issued as Nolo Approaches Hawaii

Hurricane Watch Issued as Nolo Approaches Hawaii

Tropical Storm Nolo, currently located approximately 350 miles south of Hilo, Hawaii, is forecast to strengthen into a hurricane as it moves northward toward the Big Island. The system is expected to bring heavy rainfall, strong winds, and potential flooding to the region starting Thursday night and continuing through the weekend. Rainfall totals could reach 20-30 inches on the Big Island, with isolated amounts up to 35 inches, and 10-15 inches on Maui. A Hurricane Watch is in effect for the Big Island and surrounding waters, while a Flood Watch has been issued for Maui County and the Big Island. Breezy trade winds and scattered showers are already impacting the islands, with gusts up to 35 knots reported in some areas.

Hawaii Braces for Hurricane Nolo Amid El Niño Impacts

Hawaii Braces for Hurricane Nolo Amid El Niño Impacts

Hawaii is preparing for significant weather impacts as Tropical Depression Fifteen-E strengthens into Tropical Storm Nolo and is forecasted to become a major hurricane by Saturday. The National Hurricane Center (NHC) has issued a hurricane warning for waters surrounding Hawaii, with rainfall totals expected to reach up to 35 inches in parts of the Big Island. Maui could see 5 to 10 inches of rain, with isolated areas receiving up to 20 inches, leading to potential catastrophic flooding and mudslides. This marks the third tropical system to affect Hawaii this year, following Hurricanes Lala and Lowell, which caused widespread damage and power outages. The ongoing El Niño weather pattern has contributed to increased hurricane activity in the Pacific, with warmer ocean temperatures fueling stronger storms.

Tropical Depression 15-E Threatens Hawaii with Flooding

Tropical Depression 15-E Threatens Hawaii with Flooding

Tropical Depression Fifteen-E has redeveloped near the Hawaiian Islands and is forecast to approach the Big Island as a major hurricane this weekend. The National Hurricane Center (NHC) has warned of potential catastrophic, life-threatening flooding and mudslides, particularly in areas with steep terrain. Currently located about 300 miles south-southeast of the Big Island, the system is expected to strengthen into Tropical Storm Nolo later today due to favorable environmental conditions. Sustained winds are currently at 35 mph (56 km/h), and the system is tracking west but is forecast to turn sharply north toward the islands on Thursday. Rainfall totals of 15–20 inches (38–51 cm) are expected across the Big Island, with localized areas receiving up to 35 inches (89 cm). Maui could also see 5–10 inches (13–25 cm) of rain, increasing the risk of flash flooding.

Tropical Storm Nolo Brings Heavy Rain to Hawaii

Tropical Storm Nolo Brings Heavy Rain to Hawaii

Tropical Storm Nolo is moving northward toward Hawaii, bringing significant rainfall, strong winds, and the potential for hazardous conditions. The Big Island is under a Hurricane Watch, with expected rainfall of 20-30 inches and isolated areas receiving up to 35 inches. Maui is forecasted to receive 10-15 inches of rain. Wind gusts could reach up to 45 mph, with some areas experiencing gusts as high as 55 mph. The storm is expected to turn westward by Friday night into Saturday, with its exact track still uncertain. A Flood Watch is in effect for Maui County and the Big Island through Saturday, and additional tropical watches or warnings may be issued as the storm progresses. Breezy trade winds and increasing swell are also expected to impact the islands.

Flood Watch Issued for Maui County Through Saturday

Flood Watch Issued for Maui County Through Saturday

The National Weather Service (NWS) in Honolulu has issued a Flood Watch for Maui County, including Maui, Lanai, Molokai, The Big Island, and Kahoolawe. This alert is in effect from Wednesday afternoon through Saturday afternoon. A potential tropical cyclone, referred to as the future Nolo, is expected to bring heavy rainfall to the eastern end of Hawaii. The exact track of the storm remains uncertain, but significant rainfall is anticipated, particularly on the windward and southeast areas of the Big Island and windward Maui. Other islands in Maui County are also at risk of heavy rain and flash flooding due to very high rainfall rates. Residents are advised to stay updated on the latest forecasts and prepare for potential Flash Flood Warnings.

Hawaii Reef Restoration Efforts Face Challenges After Severe Storm Damage

Hawaii Reef Restoration Efforts Face Challenges After Severe Storm Damage

Hawaii's coral reef restoration efforts are struggling to address widespread damage caused by recent severe storms and hurricanes, according to Julia Rose, coral restoration program manager at The Nature Conservancy. Surveys conducted in the field reveal massive coral colonies, some as large as cars, have broken off and pulverized surrounding reef areas, turning them into rubble. Additionally, many broken coral colonies are still surviving but require reattachment to the substrate to ensure their long-term survival. Hawaii is the first state to insure its reefs, and the recent storms have triggered two payouts from this policy. Despite this financial support, the sheer scale of the damage far exceeds the capacity of responding organizations to fully address it.

Former Tropical Depression 15-E May Reform Near Hawaii, Heavy Rain Expected

Former Tropical Depression 15-E May Reform Near Hawaii, Heavy Rain Expected

The remnants of former Tropical Depression 15-E are showing signs of reorganisation several hundred miles east-southeast of Hawaii. According to the National Hurricane Center's update on 21 September 2026, the system is moving westward at 10-15 mph and is likely to redevelop into a tropical depression by mid to late week. The National Weather Service in Honolulu has warned of potential heavy rainfall over the eastern Hawaiian islands, particularly the Big Island and Maui, during the latter half of the week. Flood watches may soon be issued for these areas. Currently, no tropical storm warnings, flight ground stops, or evacuations have been announced.