FZHW60 PHFO 072149 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1149 AM HST Tue Jul 7 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. PHZ105-080415- 1149 AM HST Tue Jul 7 2026 .Synopsis for the Hawaiian offshore waters... A robust surface high pressure will remain N of the area through the forecast period. $$ PHZ180-080415- Hawaiian Offshore Waters- 1149 AM HST Tue Jul 7 2026 .THIS AFTERNOON...E winds 15 to 25 kt. Seas 7 to 8 ft. .TONIGHT THROUGH SATURDAY...E winds 15 to 25 kt. Seas 7 to 8 ft. $$