FZHW60 PHFO 190910

OFFHFO



Offshore Waters Forecast for Hawaii

National Weather Service Honolulu HI

1110 PM HST Mon Aug 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.



PHZ105-191615-

1110 PM HST Mon Aug 18 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 Thursday into Friday across 

the SE waters.



$$



PHZ180-191615-

Hawaiian Offshore Waters-

1110 PM HST Mon Aug 18 2025



.REST OF TONIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. 

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

.WEDNESDAY AND WEDNESDAY NIGHT...E winds 10 to 15 kt N of 24N, E 

15 to 25 kt elsewhere. Seas 5 to 7 ft. 

.THURSDAY AND FRIDAY...E winds 10 to 15 kt N of 24N, E 15 to 25 

kt elsewhere. Seas 5 to 8 ft. Isolated thunderstorms SE Waters. 

.SATURDAY...E winds 10 to 15 kt N of 24N, E 15 to 25 kt

elsewhere. Seas 5 to 8 ft. 



$$