


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
618 FZHW60 PHFO 222059 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1059 AM HST Fri Aug 22 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. PHZ105-230415- 1059 AM HST Fri Aug 22 2025 .Synopsis for the Hawaiian offshore waters... A high pressure ridge N of the area will continue to produce trade wind weather into early next week. A weak trough passing through the region into early Saturday may bring some unsettled weather with possible thunderstorms across the SE waters. $$ PHZ180-230415- Hawaiian Offshore Waters- 1059 AM HST Fri Aug 22 2025 .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated thunderstorms SE Waters. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated thunderstorms SE Waters. .SATURDAY...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated thunderstorms SE Waters. .SATURDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .SUNDAY...E winds 15 to 25 kt E of 160W, E 10 to 15 kt W of 160W. Seas 6 to 7 ft. Isolated thunderstorms SE Waters. .MONDAY...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated thunderstorms SE Waters. .TUESDAY...E winds 10 to 20 kt. Seas 6 ft. Isolated thunderstorms SE Waters. $$