Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
864 FZHW60 PHFO 220959 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1159 PM HST Tue May 21 2024 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. PHZ105-221645- 1159 PM HST Tue May 21 2024 .Synopsis for the Hawaiian offshore waters... Strong surface high pressure will remain far NE of Hawaii during the next couple of days, as a surface trough just NW of the area slowly weakens then drifts westward. High pressure will shift N of the area Friday into the weekend. $$ PHZ180-221645- Hawaiian Offshore Waters- 1159 PM HST Tue May 21 2024 .REST OF TONIGHT...NW half, SE winds 10 to 20 kt. SE half, E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms W of 160W. .WEDNESDAY AND WEDNESDAY NIGHT...NW half, SE winds 10 to 20 kt. SE half, E winds 15 to 20 kt. Seas 6 to 9 ft. Isolated thunderstorms far NW waters. .THURSDAY AND THURSDAY NIGHT...NW half, E to SE winds 15 to 20 kt. SE half, E winds 20 kt. Seas 6 to 9 ft. .FRIDAY THROUGH SUNDAY...E winds 15 to 20 kt. Seas 6 to 8 ft. $$