Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
575 FZHW60 PHFO 021529 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 529 AM HST Tue Dec 2 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. PHZ105-022215- 529 AM HST Tue Dec 2 2025 .Synopsis for the Hawaiian offshore waters... A weak high pressure ridge will remain over the area today. A cold front is then forecast to move across the NW waters tonight 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. $$ PHZ180-022215- Hawaiian Offshore Waters- 529 AM HST Tue Dec 2 2025 .TODAY...SE winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half. .TONIGHT...Front draped across far NW waters. E of 160W, SE winds 10 to 15 kt. W of 160W, SW winds up to 10 kt, becoming W 10 to 20 kt in the late evening and overnight. Seas 6 to 8 ft. Isolated thunderstorms NW Half. .WEDNESDAY AND WEDNESDAY NIGHT... Front draped across NW waters. E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half. .THURSDAY...Front weakened to trough far NW waters. E winds 25 to 35 kt NW Half, E 15 to 25 kt SE Half. Seas 6 to 11 ft. Isolated thunderstorms NW Half. .FRIDAY...E winds 15 to 25 kt. Seas 8 to 11 ft. Isolated thunderstorms NW Half. .SATURDAY...E winds 10 to 20 kt. Seas 7 to 10 ft. $$