National Weather Service Marine Forecast FZHW60 PHFO

FZHW60 PHFO 130306
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
506 PM HST Mon Oct 12 2026

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.

PHZ105-131300
506 PM HST Mon Oct 12 2026

Synopsis for the Hawaiian offshore waters

A surface ridge will gradually strengthen just N of the offshore waters through Tuesday as a weak trough just NW of the area and another trough over E offshore waters dissipate. Stronger high pressure will develop far NW of the area Thursday and settle N far N of Hawaii Friday.

PHZ180-131300
Hawaiian Offshore Waters
506 PM HST Mon Oct 12 2026

TONIGHT
NW half, E to SE winds 10 kt. SE half, E winds 10 to 15 kt. Seas 5 to 8 ft. Isolated thunderstorms far SE waters.

TUESDAY AND TUESDAY NIGHT
NW half, E to SE winds 10 to 15 kt. SE half, E winds 10 to 15 kt. Seas 5 to 8 ft.

WEDNESDAY AND WEDNESDAY NIGHT
E winds 10 to 20 kt. Seas 5 to 7 ft.

THURSDAY
E winds 15 to 20 kt. Seas 5 to 8 ft.

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

SATURDAY
E winds 20 to 25 kt. Seas 7 to 9 ft.