19°49'N / 155°6'W / Altitude 165 m / 20:50 2026/03/18, Pacific/Honolulu (UTC-10)
From: 2026/03/19, 18:00
To: 2026/03/22, 18:00
...FLOOD WATCH FOR OAHU, MOLOKAI, MAUI, AND THE BIG ISLAND FROM 6PM HST THURSDAY TO 6PM HST SUNDAY...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...The islandS of Oahu, Maui, Molokai, and the Big Island.
* WHEN...From Thursday evening through Sunday 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... - A kona low developing west of the islands will draw abundant moisture northward as it strengthens and eventually departs to north early next week. Several rounds of moderate to heavy rainfall are anticipated. The heaviest rain is expected Friday night through Saturday.
Hawaii in Hawaii,Big Island East
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
NWS Honolulu HI
2026/03/18, 14:59
From: 2026/03/18, 14:59
To: 2026/03/19, 06:00
* WHAT...West winds 30 to 45 mph with gusts up to 60 mph.
* WHERE...Big Island Summits.
* WHEN...Until 6 AM HST Thursday.
* 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.
Hawaii in HawaiiNWS Honolulu HI2026/03/18, 14:59