FZHW60 PHFO 211502

OFFHFO



Offshore Waters Forecast for Hawaii

National Weather Service Honolulu HI

502 AM HST Sat Mar 21 2026



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.



PHZ105-212215-

502 AM HST Sat Mar 21 2026



.Synopsis for the Hawaiian offshore waters...

A surface low west of Kauai will remain nearly stationary through

Friday then pass through the far N offshore waters Saturday as 

the front moves to the N. The low will lift NE of the region on 

Sunday, and strong high pressure will build far N of the islands 

Monday and Tuesday.     



$$



PHZ180-212215-

Hawaiian Offshore Waters-

502 AM HST Sat Mar 21 2026



.TODAY...SW winds 10 to 20 kt. Seas 6 to 11 ft. Isolated

thunderstorms. 

.TONIGHT...W winds 10 to 15 kt N of 20N, S up to 10 kt elsewhere.

Seas 6 to 11 ft. Isolated thunderstorms. 

.SUNDAY...N winds 10 to 20 kt NW Half, SE up to 10 kt SE Half.

Seas 6 to 10 ft. Isolated thunderstorms. 

.SUNDAY NIGHT...NW Half, NE winds 10 to 20 kt. SE Half, E winds

10 to 15 kt, diminishing to up to 10 kt after midnight. Seas 6 to

9 ft. Isolated thunderstorms. 

.MONDAY...NE winds 10 to 20 kt. Seas 6 to 8 ft. Isolated

thunderstorms S of 24N. 

.TUESDAY...NE winds 15 to 25 kt. Seas 6 to 9 ft. Isolated

thunderstorms SE Waters. 

.WEDNESDAY...NE winds 10 to 20 kt. Seas 6 to 9 ft.  



$$