Expires:202607121615;;839756 FZHW60 PHFO 120942 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1142 PM HST Sat Jul 11 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. PHZ105-121615- 1142 PM HST Sat Jul 11 2026 .Synopsis for the Hawaiian offshore waters... Robust high pressure will remain N of the area through the forecast period. $$