Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
261 FZHW60 PHFO 191502 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 502 AM HST Sun Jan 19 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. PHZ105-192245- 502 AM HST Sun Jan 19 2025 .Synopsis for the Hawaiian offshore waters... A high pressure system passing just N of Hawaiian waters will keep gentle to fresh trade winds in the forecast through Tuesday. A weakening cold front moving into NW waters on Wednesday and central waters by Thursday. $$ PHZ180-192245- Hawaiian Offshore Waters- 502 AM HST Sun Jan 19 2025 .TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MONDAY AND MONDAY NIGHT...NE winds 5 to 15 kt. Seas 5 to 8 ft. .TUESDAY...Variable winds 5 to 10 kt. Seas 4 to 8 ft, building 6 to 10 ft by Monday night over NW waters. .WEDNESDAY...NW waters, NW winds 15 to 25 kt. SE waters, variable winds 5 to 15 kt. Seas 6 to 12 ft, highest NW waters. Isolated thunderstorms NW and central waters. .THURSDAY...NW winds 10 to 20 kt. Seas 6 to 16 ft, highest N waters. Isolated thunderstorms. $$