FZHW60 PHFO 121512 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 512 AM HST Fri Dec 12 2025 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. PHZ105-122330- 512 AM HST Fri Dec 12 2025 .Synopsis for the Hawaiian offshore waters... The remnants of a front over the central waters has stalled and will dissipate today. The next cold front will reach the far NW waters Saturday. Showers and isolated thunderstorm chances will increase along and ahead of this front through early next week. $$ PHZ180-122330- Hawaiian Offshore Waters- 512 AM HST Fri Dec 12 2025 .TODAY...N of 20N W of 158W, SE winds 5 to 10 kt. Elsewhere, variable breezes up to 10 kt. Seas 6 to 8 ft. .TONIGHT...Approaching front from the NW. N of 18N W of 158W, S SW winds 15 to 25 kt. Elsewhere, S SE winds 10 to 15 kt. Seas 5 to 8 ft. .SATURDAY...Front reaching 26N159W to 21N164W. W of front, W winds 20 to 25 kt. E of front, SE S winds 10 to 20 kt. NW half, seas 7 to 10 ft. SE half, seas 5 to 7 ft. Isolated thunderstorms W of 159W. .SATURDAY NIGHT...Front reaching 25N157W to 19N163W. W of front, W winds 15 to 20 kt. E of front, SE SW winds 10 to 20 kt. NW half, seas 7 to 13 ft. SE half, seas 5 to 7 ft. Isolated thunderstorms along or W of front. .SUNDAY... Front reaching 25N155W to 19N163W. W of front, W winds 5 to 10 kt. E of front, SE SW winds 10 to 15 kt. NW half, seas 7 to 13 ft. SE half, seas 5 to 7 ft. Isolated thunderstorms along or W of front. .MONDAY...Dissipating front over central waters. W of front, S winds 10 to 20 kt. E of front, SE winds 10 to 15 kt. Seas 7 to 10 ft. Scattered to isolated thunderstorms across central waters. .TUESDAY...Front reaching far W waters. NW half, S SW winds 15 to 25 kt. SE half, SE winds 10 to 20 kt. NW half, seas 9 to 13 ft. SE half, seas 5 to 9 ft. Isolated thunderstorms NW waters. $$