


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
775 FZHW60 PHFO 250958 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1158 PM HST Thu Jul 24 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. PHZ105-251630- 1158 PM HST Thu Jul 24 2025 .Synopsis for the Hawaiian offshore waters... A high pressure ridge N of the islands will gradually weaken through early this weekend. A tropical disturbance is expected to pass S of the area early to mid next week as the ridge strengthens N of the area and may bring isolated thunderstorms to the SE waters. $$ PHZ180-251630- Hawaiian Offshore Waters- 1158 PM HST Thu Jul 24 2025 .REST OF TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRIDAY...NE winds 10 to 20 kt. Seas 6 to 7 ft. .FRIDAY NIGHT...E winds 10 to 20 kt. Seas 6 ft. .SATURDAY THROUGH SUNDAY...E winds 10 to 15 kt. Seas 6 ft. .MONDAY...E winds 10 to 20 kt. Seas 6 to 8 ft, highest SE Waters. .TUESDAY...E winds 15 to 25 kt S of 20N, E winds 10 to 15 kt elsewhere. Seas 6 to 10 ft, highest SE Waters. Isolated thunderstorms SE Waters. $$