


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
460 FZHW60 PHFO 280919 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1119 PM HST Sat Sep 27 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. PHZ105-281630- 1119 PM HST Sat Sep 27 2025 .Synopsis for the Hawaiian offshore waters... A surface trough just W of the area will continue to weaken and drift W over the next few days. High pressure will rebuild far N of the area into early next week. Isolated thunderstorms over portions of the W waters are possible into early next week. $$ PHZ180-281630- Hawaiian Offshore Waters- 1119 PM HST Sat Sep 27 2025 .REST OF TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Isolated thunderstorms. .SUNDAY THROUGH TUESDAY...E winds 10 to 20 kt. Seas 4 to 6 ft. Isolated thunderstorms NW Half. .WEDNESDAY AND THURSDAY...E winds 10 to 20 kt. Seas 4 to 6 ft. $$