Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
033 FZHW60 PHFO 012118 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1118 AM 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. PHZ105-020430- 1118 AM HST Mon Dec 1 2025 .Synopsis for the Hawaiian offshore waters... A weak high pressure ridge will remain over the region through Tuesday and allow for gentle to moderate SE flow to persist. A front is expected move across the NW waters late Tuesday into Wednesday, then retreat back to the W on Thursday. Isolated thunderstorms may affect the far NW waters Tuesday through the end of the work week. $$ PHZ180-020430- Hawaiian Offshore Waters- 1118 AM HST Mon Dec 1 2025 .THIS AFTERNOON AND TONIGHT...NW half, S to SW winds 5 to 15 kt. SE half, E to SE winds 10 to 15 kt. Seas 8 to 11 ft subsiding to 7 to 9 ft tonight. .TUESDAY...Front near far NW waters. NW half, variable winds 5 to 20 kt. SE half, E to SE winds 5 to 15 kt. Seas 6 to 9 ft. Isolated thunderstorms NW Half. .TUESDAY NIGHT AND WEDNESDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half. .THURSDAY AND FRIDAY...E winds 15 to 25 kt. Seas 7 to 11 ft, highest NW half. Isolated thunderstorms NW Half. $$