


Offshore Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
883 FZHW60 PHFO 291505 OFFHFO Offshore Waters Forecast for Hawaii National Weather Service Honolulu HI 505 AM HST Tue Jul 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. PHZ105-292245- 505 AM HST Tue Jul 29 2025 .Synopsis for the Hawaiian offshore waters... A high pressure ridge N of Hawaii will remain in place through the weekend. Hurricane Iona and Tropical Storm Keli, far S to SE of the Hawaiian Islands respectively, will continue on a high confidence W track and pass S of the offshore waters through Thursday. $$ PHZ180-292245- Hawaiian Offshore Waters- 505 AM HST Tue Jul 29 2025 .TODAY...N Waters, E winds 10 to 20 kt. S waters, E winds 15 to 25 kt. Seas 5 to 8 ft. Isolated thunderstorms NW Half. .TONIGHT THROUGH WEDNESDAY NIGHT...N Waters, E winds 10 to 20 kt. S waters, E winds 15 to 25 kt. Seas 5 to 8 ft. Isolated thunderstorms NW Half. .THURSDAY THROUGH SATURDAY...E winds 15 to 25 kt. Seas 6 to 8 ft. $$