FZHW60 PHFO 200933

OFFHFO



Offshore Waters Forecast for Hawaii

National Weather Service Honolulu HI

1133 PM HST Tue Aug 19 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.



PHZ105-201645-

1133 PM HST Tue Aug 19 2025



.Synopsis for the Hawaiian offshore waters...

A ridge of high pressure far N of the area will remain nearly

stationary through the week. A weak trough passing S of the state

could bring some unsettled weather late Thursday into Friday 

with possible thunderstorms across the SE waters. 



$$



PHZ180-201645-

Hawaiian Offshore Waters-

1133 PM HST Tue Aug 19 2025



.REST OF TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. 

.WEDNESDAY THROUGH THURSDAY...E winds 10 to 20 kt. Seas 5 to 7 

ft.

.THURSDAY NIGHT AND FRIDAY...E winds 10 to 20 kt. Seas 5 to 7 ft.

Isolated thunderstorms SE Waters. 

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



$$