FZHW60 PHFO 150313 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 513 PM HST Wed Oct 14 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. PHZ105-151100- 513 PM HST Wed Oct 14 2026 .Synopsis for the Hawaiian offshore waters... Surface high pressure far NW of the area will move closer through Thursday and will build as it passes north of Hawaii on Friday. A stronger surface high will move far north of the islands late Saturday and Sunday. $$ PHZ180-151100- Hawaiian Offshore Waters- 513 PM HST Wed Oct 14 2026 .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Isolated thunderstorms S of 17N. .THURSDAY...E winds 15 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms S of 16N. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft. .SATURDAY THROUGH MONDAY...E winds 15 to 25 kt. Seas 7 to 9 ft. $$