


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
008 FZHW60 PHFO 180937 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1137 PM HST Sun Aug 17 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. PHZ105-181630- 1137 PM HST Sun Aug 17 2025 .Synopsis for the Hawaiian offshore waters... High pressure ridging building N of the region will maintain moderate to fresh E trades through the forecast period. $$ PHZ180-181630- Hawaiian Offshore Waters- 1137 PM HST Sun Aug 17 2025 .REST OF TONIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .MONDAY AND MONDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .TUESDAY...E winds 10 to 15 kt N of 24N, E 15 to 25 kt elsewhere. Seas 6 to 7 ft. .TUESDAY NIGHT...E winds 10 to 15 kt N of 24N, E 15 to 25 kt elsewhere. Seas 6 to 7 ft. .WEDNESDAY...E winds 10 to 20 kt. Seas 6 to 7 ft. .THURSDAY...E winds 15 to 25 kt. Seas 6 to 7 ft. Isolated thunderstorms SE Waters. .FRIDAY...E winds 10 to 15 kt N of 24N, E 15 to 25 kt elsewhere. Seas 6 to 8 ft. Isolated thunderstorms SE Waters. $$