Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
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639 FZHW60 PHFO 041429 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 429 AM HST Fri Apr 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. PHZ105-042215- 429 AM HST Fri Apr 4 2025 .Synopsis for the Hawaiian offshore waters... A weak front dissipate over the central waters today allowing trade winds to rebuild into Saturday then hold into next week. A large north swell will move through Saturday into early next week. $$ PHZ180-042215- Hawaiian Offshore Waters- 429 AM HST Fri Apr 4 2025 .TODAY...NW half, NE winds 10 to 25 kt. SE half, E to SE winds 10 to 20 kt. Seas 6 to 11 ft. .TONIGHT THROUGH SATURDAY NIGHT...E winds 15 to 25 kt. Seas 6 to 12 ft, building to 8 to 15 ft Saturday night. .SUNDAY THROUGH TUESDAY...E winds 15 to 25 kt. Seas 9 to 13 ft, subsiding to 6 to 11 ft Tuesday. $$