318
FZHW60 PHFO 182134
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1134 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.

PHZ105-190415-
1134 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 to the west weakens and dissipates. The
high will in turn weaken early next week as deep low pressure
develops to the northwest.

$$

PHZ180-190415-
Hawaiian Offshore Waters-
1134 AM HST Fri Apr 18 2025

.THIS AFTERNOON...E to SE winds 10 to 20 kt. Seas 6 to 9 ft.
Isolated thunderstorms.
.TONIGHT AND SATURDAY...E winds 10 to 20 kt. Seas 6 to 8 ft.
Isolated thunderstorms.
.SATURDAY NIGHT AND SUNDAY...E winds 10 to 20 kt. Seas 6 to 7 ft.
Isolated thunderstorms E of 160W.
.MONDAY THROUGH TUESDAY...E to SE winds 10 to 15 kt. Seas 6 to 7
ft. Isolated thunderstorms NW Half.

$$