National Weather Service Marine Forecast FZHW60 PHFO

FZHW60 PHFO 182059
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1059 AM HST Sun Jan 18 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.

PHZ105-190415
1059 AM HST Sun Jan 18 2026

Synopsis for the Hawaiian offshore waters

High pressure north of the area will move to the E today as a cold front approaches from the NW. The front will move over the NW waters Tuesday, and may bring isolated thunderstorms to the NW waters.

PHZ180-190415
Hawaiian Offshore Waters
1059 AM HST Sun Jan 18 2026

THIS AFTERNOON
N of 24N, SE winds 10 to 15 kt. E 15 to 25 kt elsewhere. Seas 8 to 11 ft.

TONIGHT through TUESDAY
N of 22N, SE to S winds 10 to 15 kt. E 15 to 25 kt elsewhere. Seas 7 to 10 ft.

WEDNESDAY
Front over NW waters. NE to E winds 15 to 30 kt, highest along front. Seas 7 to 11 ft. Isolated thunderstorms N of 20N.

THURSDAY
NE to E winds 10 to 20 kt. Seas 7 to 10 ft.