Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
203 FZHW60 PHFO 201534 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 534 AM HST Fri Sep 20 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. PHZ105-202230- 534 AM HST Fri Sep 20 2024 .Synopsis for the Hawaiian offshore waters... The surface ridge will remain strong north of the area through Saturday, then weaken Sunday through early next week. A broad upper low will drift southward into the area Sunday into early next week. $$ PHZ180-202230- Hawaiian Offshore Waters- 534 AM HST Fri Sep 20 2024 .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. Isolated thunderstorms S of 17N. .TONIGHT THROUGH SATURDAY NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Isolated thunderstorms SE tonight. .SUNDAY THROUGH TUESDAY...E winds 10 to 15 kt. Seas 4 to 6 ft building to 6 to 8 ft Tuesday. Isolated thunderstorms N of 23N through Sunday night. $$