Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
624 FZHW60 PHFO 192104 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1104 AM HST Wed Nov 19 2025 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. PHZ105-200445- 1104 AM HST Wed Nov 19 2025 .Synopsis for the Hawaiian offshore waters... A strong high pressure system north of the offshore area will track eastward through Friday. A trough will set up NE of the area this weekend and weaken trade winds. $$ PHZ180-200445- Hawaiian Offshore Waters- 1104 AM HST Wed Nov 19 2025 .THIS AFTERNOON...E winds 15 to 25 kt. Seas 7 to 12 ft. Isolated thunderstorms. .TONIGHT through THURSDAY NIGHT...E winds 15 to 25 kt. Seas 7 to 12 ft. Isolated thunderstorms. .FRIDAY through SUNDAY...E winds 10 to 20 kt, highest SE. Seas 6 to 9 ft. $$