Hawaii Severe Flood Watch | Effective 08/14/2026 14:38

Headline: 
Flood Watch issued August 14 at 11:38AM HST until August 16 at 6:00AM HST by NWS Honolulu HI
Event: 
Flood Watch
Urgency: 
Future
Effective: 
August 14, 2026 - 2:38pm
Expires: 
August 15, 2026 - 4:45am
Description: 
Tropical Cyclone Lala will bring heavy rain to the Big Island and Maui County this evening through Sunday and Oahu, Kauai, and Niihau Saturday evening through late Sunday night. * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...The island of Maui and the island of Hawaii. * WHEN...From 6 PM HST this evening through late Saturday night. * IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - Tropical Cyclone Lala will bring heavy rain to the Big Island and Maui, beginning Friday evening through Saturday night. At this time, amounts of 10 to 15 inches are possible over windward areas of Big Island, with 8 to 12 inches over windward areas of Maui. Higher localized amounts are possible.
Instruction: 
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Area Description: 
Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast; Big Island East; Big Island North
Forcast Office: 
NWS Honolulu HI
Sender: 
w-nws.webmaster@noaa.gov