Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
396 FZHW60 PHFO 020955 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1155 PM HST Mon Dec 1 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. PHZ105-021630- 1155 PM HST Mon Dec 1 2025 .Synopsis for the Hawaiian offshore waters... A weak high pressure ridge will remain over the area through Tuesday. A cold front is then forecast to move across the NW waters late Tuesday into Wednesday, then retreat back to the W on Thursday as a trough. Isolated thunderstorms may affect the far NW waters through Friday in association with the front and trough. $$ PHZ180-021630- Hawaiian Offshore Waters- 1155 PM HST Mon Dec 1 2025 .REST OF TONIGHT...SE winds 10 to 15 kt. Seas 7 to 9 ft. Isolated thunderstorms NW Half. .TUESDAY...SE winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half. .TUESDAY NIGHT...Front draped across far NW waters. E of 160W, SE winds 10 to 15 kt. W of 160W, SW winds up to 10 kt, becoming W 10 to 20 kt in the late evening and overnight. Seas 6 to 8 ft. Isolated thunderstorms NW Half. .WEDNESDAY AND WEDNESDAY NIGHT... Front draped across NW waters. E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half. .THURSDAY...Front weakened to trough far NW waters. E winds 25 to 35 kt NW Half, E 15 to 25 kt SE Half. Seas 6 to 11 ft. Isolated thunderstorms NW Half. .FRIDAY...E winds 15 to 25 kt. Seas 8 to 11 ft. Isolated thunderstorms NW Half. .SATURDAY...E winds 10 to 20 kt. Seas 7 to 10 ft. $$