FZHW60 PHFO 191522

OFFHFO



Offshore Waters Forecast for Hawaii

National Weather Service Honolulu HI

522 AM 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.



PHZ105-192230-

522 AM 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 Thursday into Friday across 

the SE waters.  



$$



PHZ180-192230-

Hawaiian Offshore Waters-

522 AM HST Tue Aug 19 2025



.TODAY...E winds 10 to 20 kt. Seas 6 to 7 ft. 

.TONIGHT...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. 



$$