National Weather Service United States Department of Commerce

Offshore Forecast   Issued: 09/13/2026 07:29:00 AM UTC

 

                        
891
FZHW60 PHFO 122129
OFFHFO

Offshore Waters Forecast for Hawaii
National Weather Service Honolulu HI
1129 AM HST Sat Sep 12 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.

PHZ105-130445-
1129 AM HST Sat Sep 12 2026

.Synopsis for the Hawaiian offshore waters...
A surface trough in the W offshore waters will continue to move W
out of the area tonight. A pair of troughs will approach the area
from the east early next week.

$$

PHZ180-130445-
Hawaiian Offshore Waters-
1129 AM HST Sat Sep 12 2026

.THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. Isolated
thunderstorms S of 22N and W of 158W.
.TONIGHT...N of 24N, E winds 10 to 15 kt, diminishing to up to
10 kt early in the morning. Elsewhere, E winds 10 to 15 kt. Seas
4 to 6 ft. Isolated thunderstorms S of 22N and W of 158W.
.SUNDAY...NW Half, E winds 10 to 15 kt, diminishing to up to
10 kt in the late morning and afternoon. SE Half, NE winds 10 to
15 kt. Seas 4 to 6 ft.
.SUNDAY NIGHT AND MONDAY...E winds 10 to 20 kt. Seas 4 to 5 ft.
.TUESDAY...E winds 10 to 20 kt. Seas 4 to 6 ft.
.WEDNESDAY...NE winds 15 to 25 kt. Seas 6 to 9 ft.

$$