Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
584 FZHW60 PHFO 230310 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 510 PM HST Sat Nov 22 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. PHZ105-231300- 510 PM HST Sat Nov 22 2025 .Synopsis for the Hawaiian offshore waters... High pressure far NE of Hawaii will weaken and drift to the E tonight. A surface ridge will remain over or just N outside of far northern offshore waters Sunday through Thursday. $$ PHZ180-231300- Hawaiian Offshore Waters- 510 PM HST Sat Nov 22 2025 .TONIGHT...N of 23N, E winds 10 to 15 kt. S of 23N, E winds 15 to 20 kt. Seas 8 to 10 ft, highest N waters. Isolated thunderstorms W of 160W. .SUNDAY THROUGH MONDAY...N of 20N, E to SE winds 5 to 15 kt. S of 20N, E winds 15 to 20 kt. Seas 6 to 9 ft. .MONDAY NIGHT THROUGH WEDNESDAY...N of 24N, variable winds to 10 kt. S of 24N, E winds 10 to 15 kt. Seas 5 to 7 ft, building to 8 to 10 ft over far NW waters Wednesday. .THURSDAY...E to SE winds 10 to 20 kt, strongest S of 20N. Seas 7 to 10 ft. $$