Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
968 FZHW60 PHFO 091500 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 500 AM HST Thu May 9 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. PHZ105-092300- 500 AM HST Thu May 9 2024 .Synopsis for the Hawaiian offshore waters... A surface trough will develop over the NW waters today, then pivot over the central waters Friday through Sunday. A disturbance aloft will bring the potential for strong thunderstorms to the waters through Sunday. The trough will dampen and shift W of the Hawaiian islands early next week as high pressure builds to the distant NE. $$ PHZ180-092300- Hawaiian Offshore Waters- 500 AM HST Thu May 9 2024 .TODAY...Trough developing over NW waters. NE to E winds 5 to 15 kt. Seas 5 to 7 ft. Scattered thunderstorms N of 23N W of 157W. .TONIGHT...Trough from 26N158W to 18N162W. W of trough, NE winds 10 to 20 kt. E of trough, E to SE winds 5 to 15 kt. Seas 5 to 9 ft, highest far NW waters. Scattered thunderstorms NW half. .FRIDAY AND FRIDAY NIGHT...Trough from 25N156W to 18N161W. W of trough, N to NE winds 5 to 20 kt. E of trough, E to SE winds 5 to 15 kt. Seas 4 to 10 ft, highest far NW waters. Scattered thunderstorms. .SATURDAY...TROUGH FROM 25N155W to 18N160W. W of trough, NE to E winds 10 to 20 kt. E of trough, E to SE winds 10 to 20 kt. Seas 5 to 9 ft. Scattered thunderstorms E of 160W. .SUNDAY...Weak trough over central waters. E winds 10 to 20 kt. Seas 5 to 8 ft. Scattered thunderstorms E of 159W. .MONDAY...Trough moved W of waters. E to SE winds 10 to 15 kt. Seas 5 to 8 ft. $$