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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Today
High: 41 °F
E 20kt
6ft
Tonight
Low: 38 °F
E 15kt
5-6ft
Friday
High: 41 °F
ENE 10kt
4ft
Friday Night
Low: 36 °F
E 10kt
4ft
Saturday
High: 40 °F
N 15kt
3-4ft
Saturday Night
Low: 36 °F
Light Wind
3ft
Sunday
High: 41 °F
SE 20kt
3ft
Sunday Night
Low: 38 °F
SE 25kt
5ft
Monday
High: 41 °F
SW 25kt
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:03 am AKDT May 7, 2026
Forecast Valid: 7am AKDT May 7, 2026-6pm AKDT May 13, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TODAY...

Synopsis: A 1005 mb low develops near 140 nm N of Amchitka and remains nearly stationary through Fri morning. High pressure lingers across the central/eastern Bering Sea.

Today

E wind around 20 kt. Rain. Seas around 6 ft.

Tonight

E wind around 15 kt, with gusts as high as 20 kt. A chance of rain. Seas 5 to 6 ft.

Friday

ENE wind around 10 kt. A chance of rain. Seas around 4 ft.

Friday Night

E wind around 10 kt. Scattered showers before 10pm, then a chance of rain between 10pm and 4am, then scattered showers after 4am. Seas around 4 ft.

Saturday

N wind 10 to 15 kt. Scattered showers before 10am. Seas 3 to 4 ft.

Saturday Night

Variable winds 5 kt or less. Showers likely after 4am. Seas around 3 ft.

Sunday

SE wind 10 to 20 kt. Showers. Seas around 3 ft.

Sunday Night

SE wind around 25 kt becoming WSW in the evening. Showers. Seas around 5 ft.

Monday

SW wind 20 to 25 kt. Showers. Seas around 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.