


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
734 FZHW60 PHFO 291513 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 513 AM HST Fri Aug 29 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. PHZ105-292230- 513 AM HST Fri Aug 29 2025 .Synopsis for the Hawaiian offshore waters... A developing low far north of the islands has displaced the typical high pressure ridge north of the islands and will linger into early next week. $$ PHZ180-292230- Hawaiian Offshore Waters- 513 AM HST Fri Aug 29 2025 .TODAY...E winds 10 to 20 kt. Seas 6 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SATURDAY THROUGH TUESDAY...Variable winds up to 10 kt N of 23N, E 10 to 20 kt elsewhere. Seas 5 to 7 ft. $$