National Weather Service Marine Forecast FZHW60 PHFO

FZHW60 PHFO 221516

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
516 AM HST Sat Jun 22 2024

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.

The National Weather Service is accepting public comments until July 29 2024 on a proposal to replace feet with meters when describing seas in a variety of national marine center text and graphical products for the offshore and high seas areas only. To learn more please visit

516 AM HST Sat Jun 22 2024

Synopsis for the Hawaiian offshore waters

Surface ridge to the north will remain strong through Monday, then slightly weaken Tuesday through midweek.

Hawaiian Offshore Waters
516 AM HST Sat Jun 22 2024

E winds 15 to 25 kt. Seas 6 to 9 ft.

E winds 15 to 25 kt. Seas 6 to 9 ft.

E winds 10 to 20 kt. Seas 6 to 8 ft.