


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
930 FZHW60 PHFO 151502 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 502 AM HST Mon Sep 15 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. PHZ105-152300- 502 AM HST Mon Sep 15 2025 .Synopsis for the Hawaiian offshore waters... Weak high pressure is located north of the region and with an area of low pressure south of the islands. These features will result in continued moderate to fresh trade winds across the offshore waters for the next several days. $$ PHZ180-152300- Hawaiian Offshore Waters- 502 AM HST Mon Sep 15 2025 .TODAY...E winds up to 10 kt N of 24N, E 10 to 20 kt elsewhere. Seas 6 to 7 ft. .TONIGHT THROUGH TUESDAY...E winds 10 to 20 kt. Seas 6 to 7 ft. .TUESDAY NIGHT...E winds 10 to 15 kt N of 24N, E 15 to 25 kt elsewhere. Seas 6 to 8 ft. .WEDNESDAY...E winds 15 to 25 kt. Seas 6 to 8 ft. .THURSDAY THROUGH FRIDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. $$