946
FZHW60 PHFO 121522
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
522 AM HST Sun Oct 12 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.

PHZ105-122230-
522 AM HST Sun Oct 12 2025

.Synopsis for the Hawaiian offshore waters...
Broad troughing N of the area will extend into far N offshore
waters during the next couple of days. The trough will gradually
fill in on Tuesday as a ridge N of 30N strengthens. Thunderstorms
will be possible mainly along the trough during the next couple
of days and may redevelop over N waters by Wednesday.

$$

PHZ180-122230-
Hawaiian Offshore Waters-
522 AM HST Sun Oct 12 2025

.TODAY...S of 20N, E winds 10 to 15 kt. N of 20N E of 158W, E to
SE winds 5 to 10 kt. N of 20N W of 158W, NE to E winds 5 to 10 kt.
Seas 6 to 9 ft. Isolated thunderstorms far N waters.
.SUNDAY NIGHT THROUGH MONDAY NIGHT...S of 20N, E winds 10 to 15
kt. N of 20N E of 158W, E to SE winds 5 to 10 kt. N of 20N W of
158W, NE to E winds 5 to 10 kt. Seas 6 to 9 ft. Isolated
thunderstorms far N waters.
.TUESDAY...E winds 10 to 15 kt. Seas 6 to 8 ft.
.WEDNESDAY AND THURSDAY...E winds 10 to 20 kt. Seas 6 to 9 ft.
Isolated thunderstorms N waters.

$$