Hawaii Moderate High Surf Warning | Effective 08/15/2026 06:40

Headline: 
High Surf Warning issued August 15 at 3:40AM HST until August 16 at 6:00AM HST by NWS Honolulu HI
Event: 
High Surf Warning
Urgency: 
Expected
Effective: 
August 15, 2026 - 6:40am
Expires: 
August 15, 2026 - 7:45pm
Description: 
...HIGH SURF WARNING FOR EAST FACING SHORES OF THE BIG ISLAND AND MAUI REMAINS IN EFFECT THROUGH SATURDAY NIGHT... ...HIGH SURF WARNING REMAINS IN EFFECT FOR EAST FACING SHORES OF MOLOKAI AND OAHU THROUGH SATURDAY NIGHT... ...HIGH SURF ADVISORY REMAINS IN EFFECT FOR EAST FACING SHORES OF KAUAI THROUGH SATURDAY NIGHT... .Medium-period swell will quickly build today as Tropical Storm Lala approaches from the east. Surf peaks on Saturday well above the warning threshold for the Big Island and rapidly decreases Saturday night. For Maui and Molokai, surf peaks this afternoon into Saturday night a few feet over the warning threshold and rapidly diminishes by Sunday. For Oahu and Kauai, surf peaks Saturday night and diminishes Sunday morning. * WHAT...For the Big Island, dangerously large surf increasing from 15 to 20 feet this morning to 18 to 22 feet for the windward coast and as high as 25 to 30 feet for the southeast coast this afternoon. For Maui, dangerously large surf increasing from 9 to 12 feet this morning to 14 to 18 feet late this evening. * WHERE...East facing shores of Maui and Big Island. * WHEN...Until 6 AM HST Sunday. * IMPACTS...High. Expect very strong breaking waves and powerful currents. Waves breaking in channel entrances may make navigating the channels dangerous.
Instruction: 
Stay away from the shoreline along the affected coasts. Be prepared for road closures. Postpone entering or leaving channels affected by the high surf until the surf subsides.
Area Description: 
Maui Windward West; Windward Haleakala; Kipahulu; South Haleakala; Big Island Southeast; Big Island East; Big Island North
Forcast Office: 
NWS Honolulu HI
Sender: 
w-nws.webmaster@noaa.gov