


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
677 FZHW60 PHFO 302132 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1132 AM HST Sat Aug 30 2025 Hawaiian offshore waters beyond 40 nautical miles out to 240 nautical miles including the portion of the Papahanaumokuakea Marine National Monument east of French Frigate Shoals Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. PHZ105-310430- 1132 AM HST Sat Aug 30 2025 .Synopsis for the Hawaiian offshore waters... A ridge of high pressure N of the state will gradually shift southward and stall just N of the area through Sunday. A trough of low pressure will pass near the S waters into early next week bringing a chance of thunderstorms to the far S waters. $$ PHZ180-310430- Hawaiian Offshore Waters- 1132 AM HST Sat Aug 30 2025 .THIS AFTERNOON...NW Half, up to 10 kt. SE Half, E winds 10 to 20 kt. Seas 4 to 7 ft. .TONIGHT...NW Half, E winds 5 to 10 kt. SE Half, E winds 10 to 20 kt. Seas 4 to 7 ft. Isolated thunderstorms SE waters. .SUNDAY THROUGH MONDAY...NW Half, E winds 5 to 10 kt. SE Half, E winds 10 to 20 kt. Seas 5 to 7 ft. Isolated thunderstorms S waters .TUESDAY AND WEDNESDAY...E winds up to 10 kt N of 24N, E 10 to 20 kt elsewhere. Seas 5 to 6 ft. $$