065
FZHW60 PHFO 181502
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
502 AM HST Fri Apr 18 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.

PHZ105-182215-
502 AM HST Fri Apr 18 2025

.Synopsis for the Hawaiian offshore waters...
High pressure will build far northeast of the area through the
weekend as a broad trough over the western waters shifts away and
weakens. The surface ridge will weaken early next week as deep low
pressure develops to the northwest.

$$

PHZ180-182215-
Hawaiian Offshore Waters-
502 AM HST Fri Apr 18 2025

.TODAY...E to SE winds 10 to 20 kt. Seas 6 to 9 ft. Isolated
thunderstorms.
.TONIGHT THROUGH SUNDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
Isolated thunderstorms.
.MONDAY AND TUESDAY...NW waters, variable winds up to 10 kt. SE
waters, E to SE winds 10 to 20 kt. Seas 4 to 6 ft. Isolated
thunderstorms Tuesday.

$$