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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Saturday
High: 38 °F
N 30kt
9-11ft

Small Craft Advisory
Saturday Night
Low: 35 °F
N 20kt
6-8ft

Small Craft Advisory
Sunday
High: 37 °F
N 10kt
4-5ft
Sunday Night
Low: 36 °F
ESE 10kt
3-4ft
Monday
High: 38 °F
ENE 20kt
3-5ft
Monday Night
Low: 36 °F
NE 20kt
6ft
Tuesday
High: 38 °F
NE 15kt
6ft
Tuesday Night
Low: 36 °F
E 20kt
5-6ft
Wednesday
High: 40 °F
ESE 30kt
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:02 am AKDT May 2, 2026
Forecast Valid: 4am AKDT May 2, 2026-6pm AKDT May 8, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

Synopsis: A trough lingers across the eastern Bering and Aleutians through Sun afternoon. High pressure builds over the western/central Bering and Aleutians through Sun evening. A front extending off a 989 mb Kamchatka low moves over the Western Aleutians Sun morning.

Saturday

N wind 20 to 30 kt. A chance of rain, mixing with snow after 7am, then gradually ending. Seas 9 to 11 ft.

Saturday Night

N wind 15 to 20 kt. Mostly cloudy. Seas 6 to 8 ft.

Sunday

N wind 5 to 10 kt becoming ENE in the afternoon. Mostly cloudy. Seas 4 to 5 ft.

Sunday Night

ESE wind 5 to 10 kt. Mostly cloudy. Seas 3 to 4 ft.

Monday

ENE wind 10 to 20 kt. Mostly cloudy. Seas 3 to 5 ft.

Monday Night

NE wind around 20 kt. Mostly cloudy. Seas around 6 ft.

Tuesday

NE wind around 15 kt. A chance of rain and snow showers between 10am and 4pm, then a chance of snow showers after 4pm. Seas around 6 ft.

Tuesday Night

E wind around 20 kt, with gusts as high as 25 kt. Showers likely. Seas 5 to 6 ft.

Wednesday

ESE wind 25 to 30 kt. Showers. Seas 4 to 5 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.