FZHW60 PHFO 091524 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 524 AM HST Thu Jul 9 2026 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. PHZ105-092315- 524 AM HST Thu Jul 9 2026 .Synopsis for the Hawaiian offshore waters... Robust high pressure will remain N of the area through the forecast period. $$ PHZ180-092315- Hawaiian Offshore Waters- 524 AM HST Thu Jul 9 2026 .TODAY...NE to E winds 15 to 25 kt. Seas 6 to 8 ft. .TONIGHT THROUGH SUNDAY...NE to E winds 15 to 25 kt. Seas 6 to 9 ft. .MONDAY...NE to E winds 10 to 20 kt. Seas 6 to 8 ft. $$