Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
537 FZHW60 PHFO 200942 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1142 PM HST Wed Nov 19 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. PHZ105-201630- 1142 PM HST Wed Nov 19 2025 .Synopsis for the Hawaiian offshore waters... Strong surface high pressure N of the offshore waters will help generate fresh to strong easterly tradewinds through Friday. This high will track eastward and weaken this weekend, allowing these easterly winds to ease. $$ PHZ180-201630- Hawaiian Offshore Waters- 1142 PM HST Wed Nov 19 2025 .REST OF TONIGHT...E winds 15 to 25 kt. Seas 9 to 11 ft. Isolated thunderstorms N waters. .THURSDAY AND THURSDAY NIGHT...E winds 15 to 25 kt. Seas 9 to 11 ft. Isolated thunderstorms SW waters. .FRIDAY...E winds 15 to 25 kt. Seas 8 to 10 ft. .FRIDAY NIGHT AND SATURDAY...E winds 10 to 20 kt. Seas 8 to 10 ft. .SUNDAY...E winds 10 to 20 kt. Seas 7 to 9 ft. .MONDAY...SE winds 10 to 15 kt N of 24N, E 15 to 25 kt elsewhere. Seas 6 to 8 ft. $$