FZHW60 PHFO 052111 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1111 AM HST Wed Aug 5 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. PHZ105-060500- 1111 AM HST Wed Aug 5 2026 .Synopsis for the Hawaiian offshore waters... Moderate trades will persist through the period. An upper level low pressure system to the W of the offshore waters will favor isolated thunderstorms over the NW waters Wednesday through Thursday. $$ PHZ180-060500- Hawaiian Offshore Waters- 1111 AM HST Wed Aug 5 2026 .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 ft or less. Isolated thunderstorms S of 24N. .TONIGHT...E winds 10 to 20 kt. Seas 6 ft or less. Isolated thunderstorms S of 24N. .THURSDAY...E winds 10 to 20 kt. Seas 6 ft or less. Isolated thunderstorms NW Half. .THURSDAY NIGHT...E winds 10 to 20 kt. Seas 6 ft or less, becoming 6 ft after midnight. Isolated thunderstorms NW Half. .FRIDAY...E winds 10 to 20 kt. Seas 6 to 7 ft. .SATURDAY...E winds 15 to 25 kt. Seas 6 to 7 ft. .SUNDAY...E winds 10 to 20 kt. Seas 6 to 7 ft. Isolated thunderstorms SE Waters. $$