


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
330 FZHW60 PHFO 041531 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 531 AM HST Mon Aug 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. PHZ105-042315- 531 AM HST Mon Aug 4 2025 .Synopsis for the Hawaiian offshore waters... Surface high pressure far N of the area will drift E over the next couple days. Into the later half of the week, trades will likely become disrupted as the remnants of Tropical Storm Gil passes to the NE. $$ PHZ180-042315- Hawaiian Offshore Waters- 531 AM HST Mon Aug 4 2025 .TODAY...E winds 10 to 20 kt. Seas 7 to 9 ft. .TONIGHT...N of 22N, E winds 10 to 20 kt. Elsewhere, E winds 15 to 25 kt. Seas 7 to 10 ft. .TUESDAY...N to NE winds 10 to 15 kt. Seas 6 to 8 ft. .TUESDAY NIGHT and WEDNESDAY...N of 20N, NE winds 15 to 25 kt. S of 20N, E to SE winds 10 to 15 kt. Seas 6 to 9 ft. .THURSDAY...NW half, E to SE winds 10 to 20 kt. SE half, E to NE winds 15 to 25 kt. Seas 6 to 8 ft. .FRIDAY...E to SE winds 10 to 15 kt. Seas 6 to 8 ft. $$