Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
553 FZHW60 PHFO 090320 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 520 PM HST Wed May 8 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. PHZ105-091200- 520 PM HST Wed May 8 2024 .Synopsis for the Hawaiian offshore waters... A strengthening surface trough N of the area will extend over central offshore waters Thursday and Friday, keeping areas of high pressure to the distant NW and NE. A disturbance aloft will bring a threat of strong thunderstorms, mainly along and E of the trough late Thursday into Saturday. The trough will weaken late Saturday and Sunday as high pressure settles far N of the area. $$ PHZ180-091200- Hawaiian Offshore Waters- 520 PM HST Wed May 8 2024 .TONIGHT...E winds 10 to 15 kt. Seas 4 to 7 ft. .THURSDAY...Trough developing over central waters N of the islands. E winds 10 to 15 kt, becoming NE W of 159W. Seas 5 to 7 ft. Isolated thunderstorms along trough. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Trough along 159W. W of trough, NE winds 10 to 20 kt. E of trough, E to SE winds 10 to 20 kt. Seas 6 to 10 ft. Isolated thunderstorms. .FRIDAY NIGHT...E winds 15 to 25 kt. Seas 6 to 10 ft. Isolated thunderstorms. .SATURDAY...W of 158W, E to NE winds 10 to 20 kt. E of 158W, E to SE winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms NE waters. .SUNDAY...E to SE winds 10 to 20 kt. Seas 5 to 8 ft. Isolated thunderstorms far NE waters. .MONDAY...E winds 10 to 20 kt. Seas 5 to 8 ft. $$