FZHW60 PHFO 190916

OFFHFO



Offshore Waters Forecast for Hawaii

National Weather Service Honolulu HI

1116 PM HST Wed Mar 18 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.



PHZ105-191700-

1116 PM HST Wed Mar 18 2026



.Synopsis for the Hawaiian offshore waters...

A low will approach from the W and move near or over the NW

offshore waters by Saturday. The low lifts NE of the state on 

Sunday and is replaced by a strong high building to the N during 

the first half of next week.



$$



PHZ180-191700-

Hawaiian Offshore Waters-

1116 PM HST Wed Mar 18 2026



.REST OF TONIGHT...E to SE winds 10 to 20 kt. Seas 6 to 8 ft. 

Isolated thunderstorms. 

.THURSDAY AND THURSDAY NIGHT...N of 23N, E winds 15 to 25 kt. S of

23N, SE to S winds 10 to 15 kt SE Half. Seas 6 to 9 ft. Isolated 

thunderstorms.

.FRIDAY AND FRIDAY NIGHT...Low near or over NW waters. N of 23N, 

E winds 20 to 30 kt. S of 23N, SE to S winds 10 to 20 kt. Seas 6 

to 12 ft. Isolated thunderstorms. 

.SATURDAY...NW half, S to SW winds 15 to 25 kt. SE half, SE to S

winds 10 to 20 kt. Seas 6 to 11 ft. Isolated thunderstorms.

.SUNDAY...NW half, SW to W winds 15 to 25 kt. SE half, SE to S 

winds up to 15 kt. Seas 6 to 10 ft. Isolated thunderstorms. 

.MONDAY...N to NE winds 10 to 20 kt. Seas 6 to 9 ft. Isolated 

thunderstorms SE Waters. 



$$