859
FZHW60 PHFO 091521
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
521 AM HST Thu Oct 9 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.

PHZ105-092245-
521 AM HST Thu Oct 9 2025

.Synopsis for the Hawaiian offshore waters...
A surface trough over NE waters will lift NW and dissipate by the
end of the week. High pressure will build far northeast of the
waters this weekend before a potential surface trough develops
north of the waters early next week.

$$

PHZ180-092245-
Hawaiian Offshore Waters-
521 AM HST Thu Oct 9 2025

.TODAY...Trough over NE waters moving W. NW Half, SE winds up to
10 kt. SE half, SE 10 to 15 kt highest far S waters. Seas 4 to 6
ft. Isolated thunderstorms far NW waters and far S waters.
.TONIGHT THROUGH FRIDAY NIGHT...N of 20N, S winds up to 10 kt. S
of 20N, E to SE winds 10 to 20 kt. Seas 5 to 6 ft. Isolated
thunderstorms far NW waters and far S waters through Friday.
.SATURDAY THROUGH MONDAY...E winds 10 to 20 kt highest S of 22N.
Seas 6 to 8 ft. Isolated thunderstorms far NE waters Sunday
through Monday.

$$