Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
174 FZHW60 PHFO 200945 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1145 PM HST Thu Sep 19 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. PHZ105-201630- 1145 PM HST Thu Sep 19 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. $$ PHZ180-201630- Hawaiian Offshore Waters- 1145 PM HST Thu Sep 19 2024 .REST OF TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Isolated thunderstorms SE Waters. .FRIDAY THROUGH SATURDAY NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Isolated thunderstorms SE Waters through Friday night. .SUNDAY THROUGH TUESDAY...E winds 10 to 15 kt. Seas 4 to 6 ft building to 6 to 8 ft Tuesday. Isolated thunderstorms N of 23N through Sunday night. $$