FZHW60 PHFO 210915

OFFHFO



Offshore Waters Forecast for Hawaii

National Weather Service Honolulu HI

1115 PM HST Fri Mar 20 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.



PHZ105-211600-

1115 PM HST Fri Mar 20 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.   



$$



PHZ180-211600-

Hawaiian Offshore Waters-

1115 PM HST Fri Mar 20 2026



.REST OF TONIGHT...SW winds 15 to 25 kt NW Half, S 10 to 15 kt SE Half.

Seas 6 to 10 ft. Isolated thunderstorms. 

.SATURDAY...NW Half, SW winds 10 to 20 kt. SE Half, S winds 10 to

20 kt, becoming SE up to 10 kt late in the afternoon. Seas 6 to

11 ft. Isolated thunderstorms.

.SATURDAY NIGHT...S of 19N, SE winds 10 to 15 kt, diminishing to

up to 10 kt late in the evening, then, rising to 10 to 20 kt

after midnight. Elsewhere, SW winds 10 to 20 kt. Seas 6 to 9 ft.

Isolated thunderstorms. 

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

thunderstorms. 

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

thunderstorms. 

.MONDAY...NE winds 15 to 25 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 15 to 25 kt. Seas 6 to 9 ft.  



$$