FZHW60 PHFO 240309

OFFHFO



Offshore Waters Forecast for Hawaii

National Weather Service Honolulu HI

509 PM HST Thu Oct 23 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.



PHZ105-241145-

509 PM HST Thu Oct 23 2025



.Synopsis for the Hawaiian offshore waters...

High pressure NW of Hawaii will strengthen and move N of the area

Friday and Saturday. The high will weaken and drift to the E 

Sunday and Monday. Another surface high may develop NW of the area

Tuesday.



$$



PHZ180-241145-

Hawaiian Offshore Waters-

509 PM HST Thu Oct 23 2025



.TONIGHT...E winds 15 to 25 kt strongest SW half. Seas 7 to 9 ft.

.FRIDAY THROUGH SATURDAY NIGHT...E winds 15 to 25 kt, strongest S

of 24N. Seas 7 to 10 ft. Isolated thunderstorms far S waters 

Friday night and Saturday and over SW waters Saturday night.

.SUNDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated 

thunderstorms SW waters.

.MONDAY...E winds 10 to 15 kt. Seas 5 to 7 ft. Isolated 

thunderstorms far SW waters. 

.TUESDAY...E winds 10 to 20 kt, strongest NW waters. Seas 6 to 8 

ft.



$$