Hawaii Weather & Safety Alerts
3 active alerts · Updated 2026-03-16
Data source: National Weather Service (NWS) Last verified: 2026-03-16
High Wind
High Wind Warning (WARNING) — expires March 16, 2026 at 8:00 PM GMT+4
Areas affected: Haleakala Summit; Big Island Summit
High Wind Warning issued March 15 at 2:26PM HST until March 16 at 6:00AM HST by NWS Honolulu HI
WHAT…Southwest winds 40 to 50 mph with gusts up to 65 mph on Haleakala Summit. Southwest winds 50 to 80 mph with gusts up to 100 mph on the Big Island summits.
WHERE…Haleakala Summit and Big Island Summits.
WHEN…Until 6 AM HST Monday.
IMPACTS…Winds this strong can make driving and walking dangerous. The winds can forcefully open doors and damage hinges or slam doors shut, possibly causing injuries.
What to do: Motorists, especially those in high profile vehicles, are urged to drive with extreme caution. A High Wind Warning means that winds at the summits are expected to be at least 56 mph, with gusts over 66 mph. Take necessary precautions to protect property. Travel to summit areas should be delayed until winds subside.
Source: NWS Honolulu HI
Flooding
Flood Watch (WATCH) — expires March 16, 2026 at 8:00 PM GMT+4
Areas affected: Kona; Kohala; Big Island Interior; Big Island South; Big Island Southeast; Big Island East; Big Island North
Flood Watch issued March 15 at 1:59PM HST until March 16 at 6:00AM HST by NWS Honolulu HI
…FLOOD WATCH FOR MAUI COUNTY AND THE BIG ISLAND THROUGH TONIGHT…
WHAT…Flash flooding caused by excessive rainfall is possible.
WHERE…The Big Island.
WHEN…Through late tonight.
IMPACTS…Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff.
ADDITIONAL DETAILS…
- With deep moisture in place, southwest winds will deliver periods of moderate to heavy rain to portions of Leeward Big Island through tonight. Saturated ground conditions will increase the risk for flash flooding.
What to do: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Source: NWS Honolulu HI
Flood Watch (WATCH) — expires March 16, 2026 at 8:00 PM GMT+4
Areas affected: Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Molokai Windward; Molokai Southeast; Molokai North; Molokai West; Molokai Leeward South; Lanai Windward; Lanai Leeward; Lanai South; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala
Flood Watch issued March 15 at 1:59PM HST until March 16 at 6:00AM HST by NWS Honolulu HI
…FLOOD WATCH FOR MAUI COUNTY AND THE BIG ISLAND THROUGH TONIGHT…
WHAT…Flash flooding caused by excessive rainfall is possible.
WHERE…Maui, Molokai, Lanai, and Kahoolawe.
WHEN…Through late tonight.
IMPACTS…Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff.
ADDITIONAL DETAILS…
- With deep moisture in place, southwest winds will deliver periods of moderate to heavy rain to portions of Leeward Maui through tonight. Saturated ground conditions will increase the risk for flash flooding.
What to do: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Source: NWS Honolulu HI
Source
Alert data provided by the National Weather Service (NWS). This page shows active alerts only and is refreshed daily. For real-time updates, visit weather.gov.