FZHW60 PHFO 230900 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1100 PM HST Sat Aug 22 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. PHZ105-231645- 1100 PM HST Sat Aug 22 2026 .Synopsis for the Hawaiian offshore waters... At 1100 PM HST, Tropical Storm Moke was located at 15.2N 153.5W and was moving W at 10 knots. Tropical Storm Moke will track westward across the far S offshore waters through early Monday morning. MOKE FORECAST POSITIONS 800 AM HST SUNDAY 15.4N 155.4W 800 PM HST SUNDAY 15.8N 158.0W 800 AM HST MONDAY 16.3N 160.7W 800 PM HST MONDAY 17.0N 163.2W 800 AM HST TUESDAY 17.6N 165.7W 800 PM HST TUESDAY 18.0N 168.5W 800 PM HST WEDNESDAY 19.1N 173.8W $$ PHZ180-231645- Hawaiian Offshore Waters- 1100 PM HST Sat Aug 22 2026 ...TROPICAL STORM WARNING... .REST OF TONIGHT...TROPICAL STORM CONDITIONS SE WATERS. Elsewhere, E winds 10 to 20 kt. Seas 6 to 13 ft, highest in SE waters. Isolated thunderstorms SE waters. .SUNDAY...TROPICAL STORM CONDITIONS S OF 17N. Elsewhere, NE to E winds 15 to 25 kt. Seas 7 to 13 ft, highest S of 20N. Isolated thunderstorms SE Waters. .SUNDAY NIGHT...TROPICAL STORM CONDITIONS S OF 17N W OF 157W. Elsewhere, NE to E winds 15 to 25 kt. Seas 7 to 12 ft, highest S of 19N W of 156W. Isolated thunderstorms SE Waters. .MONDAY...E winds 10 to 20 kt. S of 18N, E to SE winds 15 kt. Seas 7 to 10 ft, highest S of 19N W of 159W. Isolated thunderstorms S of 20N W of 153W. .MONDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Isolated thunderstorms S of 24N. .TUESDAY THROUGH THURSDAY...E of 155W, NE winds 10 to 20 kt. W of 155W, E winds 10 to 20 kt. Seas 5 to 7 ft. Isolated thunderstorms S of 23N W of 160W Tuesday and Wednesday. $$