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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Saturday
High: 38 °F
N 30kt
10-11ft

Small Craft Advisory
Saturday Night
Low: 36 °F
NNW 20kt
7-9ft

Small Craft Advisory
Sunday
High: 37 °F
N 10kt
4-5ft
Sunday Night
Low: 35 °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: 8:08 pm AKDT May 1, 2026
Forecast Valid: 3am AKDT May 2, 2026-6pm AKDT May 8, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

Synopsis: A 987 mb low 125 nm southwest of Kipnuk moves inland Fri evening. A 999 mb low forms 125 nm west of Dutch Harbor Fri evening and moves to 175 nm southwest of Dutch Harbor at 1004 mb Sat morning before continuing into the North Pacific.

Saturday

N wind 25 to 30 kt. A chance of rain, mixing with snow after 7am, then gradually ending. Seas 10 to 11 ft.

Saturday Night

NNW wind 15 to 20 kt. Mostly cloudy. Seas 7 to 9 ft.

Sunday

N wind 5 to 10 kt becoming E in the afternoon. Partly sunny. 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.