The Offshore Waters Forecast for Hawai`i.

Offshore Forecast Issued: 05/05/2026 07:41:00 AM UTC
                        
315
FZHW60 PHFO 042141
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1141 AM HST Mon May 4 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.

PHZ105-050430-
1141 AM HST Mon May 4 2026

.Synopsis for the Hawaiian offshore waters...
A trough entering the NW waters on Tuesday will cause a weakening
and veering of winds N of 20N through Wednesday. Weak ridging N
of the islands will bring a return of NE to E winds for the latter
half of the week.

$$

PHZ180-050430-
Hawaiian Offshore Waters-
1141 AM HST Mon May 4 2026

.THIS AFTERNOON...NE to E winds 10 to 20 kt, strongest S of 19N.
Seas 6 to 8 ft.
.TONIGHT...N of 23N, E to SE winds up to 10 kt. S of 23N, E winds
10 to 20 kt, strongest S of 19N. Seas 6 to 8 ft, highest S of
19N.
.TUESDAY...NW waters, variable winds up to 10 kt. SE waters, E to
SE winds 10 to 15 kt, strongest S of 19N. Seas 5 to 8 ft, highest
S of 19N.
.TUESDAY NIGHT...N of 21N W of 156W, NW to N winds up to 15 kt. N
of 21N E of 156W, S to SE winds 10 to 15 kt. S of 21N, E winds 10
to 15 kt. Seas 5 to 7 ft.
.WEDNESDAY...N of 21N W of 156W, N to NE winds 10 kt. N of 21N E
of 156W, S to SE winds 10 to 15 kt. S of 21N, E winds 10 to 15
kt. Seas 6 to 7 ft.
.THURSDAY AND FRIDAY...NE to E winds 5 to 15 kt, strongest S of
20N. Seas 6 to 9 ft.

$$