


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
278 FZHW60 PHFO 170933 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 1133 PM HST Thu Oct 16 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. PHZ105-171630- 1133 PM HST Thu Oct 16 2025 .Synopsis for the Hawaiian offshore waters... A broad trough remains over the N offshore waters for the next couple of days. An upper low will drift over the N half of the area today through the weekend, producing a few thunderstorms. $$ PHZ180-171630- Hawaiian Offshore Waters- 1133 PM HST Thu Oct 16 2025 .REST OF TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft, highest N waters. Isolated thunderstorms NW waters. .FRIDAY AND FRIDAY NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft, highest N waters. Isolated thunderstorms NW waters. .SATURDAY AND SATURDAY NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. Isolated thunderstorms NW waters. .SUNDAY THROUGH TUESDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. $$