Active Weather Alerts
Small Craft Advisory
Issued: 7:00 AM Sep. 23, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST THURSDAY... * WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and seas 5 to 8 feet. * WHERE...Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Big Island Leeward Waters and Big Island Southeast Waters. * WHEN...Until 6 AM HST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions. &&
Flood Watch
Issued: 12:48 AM Sep. 23, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH SATURDAY AFTERNOON... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Maui, Lanai, Molokai, The Big Island and Kahoolawe. * WHEN...From Wednesday afternoon through Saturday afternoon. * 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... - Heavy rain on the north side of a developing tropical system (the future Nolo) should develop Wednesday afternoon. Windward and southeast Big Island and windward Maui are the most likely to experience heavy rain. However, other islands in Maui County are at risk as well, and therefore are included in the watch. Very high rainfall rates, which can cause flash flooding, are possible within the entire watch area. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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