Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
043 FZHW60 PHFO 042108 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1108 AM HST Thu Dec 4 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. PHZ105-050445- 1108 AM HST Thu Dec 4 2025 .Synopsis for the Hawaiian offshore waters... A trough W of Kauai will gradually push further W this evening and weaken into Friday. Meanwhile, a ridge of surface high pressure is expected to build NE of the area and persist through the weekend. Isolated to scattered thunderstorms will likely affect far NW waters through Friday. $$ PHZ180-050445- Hawaiian Offshore Waters- 1108 AM HST Thu Dec 4 2025 .THIS AFTERNOON...W of trough, NE winds 15 to 25 kt, E winds 20 to 30 kt elsewhere. Seas 7 to 10 ft, highest NW half. Isolated thunderstorms far NW waters. .TONIGHT...E winds 20 to 30 kt. Seas 7 to 10 ft, highest NW half. Isolated thunderstorms far NW waters. .FRIDAY...E winds 15 to 25 kt. Seas 8 to 11 ft, highest NW half. Isolated thunderstorms NW Half. .FRIDAY NIGHT...E winds 10 to 20 kt N of 22N, E 15 to 25 kt elsewhere. Seas 9 to 10 ft. .SATURDAY...E winds 10 to 15 kt N of 20N, E 15 to 25 kt elsewhere. Seas 7 to 9 ft. .SUNDAY AND MONDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. $$