Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
478 FZHW60 PHFO 101523 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 523 AM HST Wed Dec 10 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. PHZ105-102245- 523 AM HST Wed Dec 10 2025 .Synopsis for the Hawaiian offshore waters... A cold front entering the far NW waters will sweep SE today before dissipating over the central waters late Thursday. Another cold front may approach the far NW waters on Saturday. $$ PHZ180-102245- Hawaiian Offshore Waters- 523 AM HST Wed Dec 10 2025 .TODAY...Front from 26N158W to 24N161W to 22N164W. Behind the front, NW winds 15 to 25 kt. Elsewhere NW half, SW to W winds 10 to 15 kt. SE half, SE to S winds. Seas 6 to 10 ft. Isolated thunderstorms N of 19N. .TONIGHT AND THURSDAY...Front moving over central waters. NW half, NW winds 10 to 20 kt. SE half, S to SW winds 10 to 15 kt. Seas 7 to 10 ft. Isolated thunderstorms N of 20N. .THURSDAY NIGHT...Front dissipating over central waters. NW Half, N winds 10 to 15 kt, diminishing to up to 10 kt after midnight. SE Half, E to SE winds up to 10 kt. Seas 6 to 8 ft. .FRIDAY...NW half, S to SE winds 10 kt or less, becoming S to SW winds 15 to 25. SE half, E to SE 10 to 15 kt. Seas 6 to 7 ft. .SATURDAY...S to SW winds 20 to 30 kt NW Half. SE half, S to SE winds 10 to 15 kt. Seas 6 to 10 ft. Isolated thunderstorms NW Half. .SUNDAY...Front dissipating over NW waters. NW half, variable winds 10 kt or less. SE half, E to SE winds 10 to 15 kt. Seas 6 to 12 ft. Isolated thunderstorms. $$