480
FZAK61 PAFC 161131
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
331 AM AKDT Sat Aug 16 2025

Offshore waters forecast for the Gulf of Alaska West of 144W

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ399-170245-
331 AM AKDT Sat Aug 16 2025
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A surface trough lingers across the northern Gulf Coast through
this evening as strong northerly gap winds persist through this
evening. A 991 mb low over Graham Island moves to 56N 141W at 1004
mb mid-morning Sun. This low exits southward back to the North
Pacific through Mon morning. Northerly gap winds weaken Sat night
through Mon morning.

$$

PKZ351-170245-
Gulf of Alaska Offshore North of 57N and West of 144W-
331 AM AKDT Sat Aug 16 2025

.TODAY...NW wind 15 to 30 kt. Seas 6 to 11 ft.
.TONIGHT...N wind 10 to 25 kt. Seas 5 to 10 ft.
.SUN...N wind 10 to 15 kt. Seas 3 to 6 ft.
.SUN NIGHT...E wind up to 10 kt. Seas 3 to 5 ft.
.MON THROUGH TUE...S wind up to 15 kt. Seas 4 ft.
.WED...SE wind up to 15 kt. Seas 3 ft.

$$

PKZ352-170245-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
331 AM AKDT Sat Aug 16 2025

.TODAY...NW wind 20 to 30 kt. Seas 9 to 13 ft.
.TONIGHT...NW wind 15 to 30 kt. Seas 8 to 13 ft.
.SUN...NW wind 10 to 25 kt. Seas 4 to 8 ft.
.SUN NIGHT...N wind up to 15 kt. Seas 3 to 6 ft.
.MON THROUGH TUE...SE wind up to 15 kt. Seas 4 ft.
.WED...E wind 10 to 20 kt. Seas 4 ft.

$$