FZHW60 PHFO 051513

OFFHFO



Offshore Waters Forecast for Hawaii

National Weather Service Honolulu HI

513 AM HST Tue May 5 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.



PHZ105-060245-

513 AM HST Tue May 5 2026



.Synopsis for the Hawaiian offshore waters...

A trough of low pressure will remain nearly stationary over the 

far NW waters today, before shifting into the central waters, 

stalling out, and slowly dissipating Wednesday through Friday.

High pressure will build northwest of the area over the weekend.



$$



PHZ180-060245-

Hawaiian Offshore Waters-

513 AM HST Tue May 5 2026



.TODAY...Trough over far NW waters. NW half, variable winds 10 

kt or less. SE half, E to SE winds 10 to 20 kt. Seas 5 to 9 ft.

.TONIGHT AND WEDNESDAY...Trough 26N157W 22N164W. NW of trough, NW

winds 10 to 15 kt. SE half, E to SE winds 10 to 15 kt. Elsewhere,

variable winds 10 kt or less. Seas 5 to 8 ft. 

.WEDNESDAY NIGHT THROUGH FRIDAY...Front slowly dissipating over

central waters. N of 20N, NE to E winds 5 to 15 kt. S of 20N, NE 

to E winds 10 to 20 kt. Seas 5 to 10 ft.

.SATURDAY...NE to E winds 10 to 20 kt. Seas 5 to 9 ft. 



$$