810
FZAK61 PAFC 192339
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
339 PM AKDT Tue Aug 19 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.

PKZ399-201245-
339 PM AKDT Tue Aug 19 2025
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

Weak high pressure lingers across the Gulf through Wed morning. A
1005 mb North Pacific low pushes its front into the Gulf from Wed
afternoon through Thu afternoon.

$$

PKZ351-201245-
Gulf of Alaska Offshore North of 57N and West of 144W-
339 PM AKDT Tue Aug 19 2025

.TONIGHT...S wind 10 kt. Seas 2 ft.
.WED...SE wind 10 to 15 kt. Seas 3 ft.
.WED NIGHT...E wind 10 to 20 kt. Seas 3 to 6 ft.
.THU...E wind 15 to 25 kt. Seas 4 to 9 ft.
.THU NIGHT...NE wind 25 kt. Seas 7 to 10 ft.
.FRI THROUGH SUN...SW wind 10 to 25 kt. Seas 4 to 9 ft.

$$

PKZ352-201245-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
339 PM AKDT Tue Aug 19 2025

.TONIGHT...SE wind 10 kt. Seas 3 ft.
.WED...E wind up to 15 kt increasing to 10 to 25 kt in the
afternoon. Seas 3 ft.
.WED NIGHT...NE wind 15 to 30 kt. Seas 5 to 10 ft.
.THU...NE wind 20 to 30 kt. Seas 8 to 11 ft.
.THU NIGHT...NE wind 15 to 25 kt. Seas 9 ft.
.FRI THROUGH SUN...W wind 10 to 25 kt. Seas 4 to 9 ft.

$$