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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 31 °F
NNE 30kt
17-18ft

Small Craft Advisory
Tonight
Low: 26 °F
NNE 25kt
16ft

Small Craft Advisory
Saturday
High: 30 °F
NNE 25kt
11-12ft

Small Craft Advisory
Saturday Night
Low: 29 °F
NNE 30kt
16ft
Sunday
High: 30 °F
NNE 35kt
17-19ft
Sunday Night
Low: 27 °F
N 30kt
18ft
Monday
High: 32 °F
NNE 25kt
15ft
Monday Night
Low: 27 °F
NNE 25kt
12ft
Tuesday
High: 31 °F
NNE 20kt
9ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:57 am AKST Jan 9, 2026
Forecast Valid: 12pm AKST Jan 9, 2026-6pm AKST Jan 15, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING TODAY...

Synopsis: A 963 mb complex low 270 nm S of Sitkinak Island exits northeast to the Gulf of Alaska through Sat afternoon. A front remains draped across the Aleutian Chain through Sun morning as high pressure nudges into the northwestern Bering Sea Sun morning.

This Afternoon

NNE wind 25 to 30 kt. Snow showers likely. Widespread freezing spray after 3pm. Seas 17 to 18 ft.

Tonight

NNE wind 20 to 25 kt, with gusts as high as 30 kt. Snow showers. Widespread freezing spray. Seas 16 ft subsiding to 13 ft.

Saturday

NNE wind 20 to 25 kt. Snow showers. Widespread freezing spray before 9am. Seas 11 to 12 ft.

Saturday Night

NNE wind 25 to 30 kt. Snow showers. Seas 12 ft building to 16 ft.

Sunday

NNE wind 30 to 35 kt. Snow showers. Seas 17 to 19 ft.

Sunday Night

N wind 25 to 30 kt, with gusts as high as 35 kt. Snow showers. Seas 18 ft subsiding to 15 ft.

Monday

NNE wind around 25 kt, with gusts as high as 30 kt. Snow, mainly before 9am. Seas 15 ft subsiding to 12 ft.

Monday Night

NNE wind 20 to 25 kt. A chance of snow. Seas 12 ft subsiding to 9 ft.

Tuesday

NNE wind around 20 kt. A chance of snow. Seas around 9 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.