


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
863 FZHW60 PHFO 090307 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 507 PM HST Wed Oct 8 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. PHZ105-091045- 507 PM HST Wed Oct 8 2025 .Synopsis for the Hawaiian offshore waters... A surface trough over the NW waters will maintain a lighter S to SE flow across the offshore waters for the next couple of days. High pressure will build far NE of the islands by this weekend and strengthen easterly trades through early next week. $$ PHZ180-091045- Hawaiian Offshore Waters- 507 PM HST Wed Oct 8 2025 .TONIGHT...SE winds up to 10 kt NW Half, SE 10 to 15 kt SE Half. Seas 4 to 6 ft. Isolated thunderstorms far NW waters and far S waters. .THURSDAY THROUGH FRIDAY...NW Half, S winds up to 10 kt. SE Half, SE winds 10 to 20 kt. Seas 5 to 6 ft. Isolated thunderstorms far NW waters and far S waters. .SATURDAY THROUGH MONDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms far NW waters Sunday through Monday. $$