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Anchorage, AK Local Forecast Office

34NM ESE Seguam Island AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 40 °F
NNW 15kt
6-8ft

Small Craft Advisory
Saturday
High: 41 °F
NNE 15kt
9ft

Small Craft Advisory
Saturday Night
Low: 34 °F
NNE 25kt
10-11ft

Small Craft Advisory
Sunday
High: 35 °F
NNE 30kt
12-14ft
Sunday Night
Low: 32 °F
NNE 30kt
14-15ft
Monday
High: 35 °F
N 25kt
11-12ft
Monday Night
Low: 35 °F
N 30kt
10-12ft
Tuesday
High: 38 °F
N 30kt
10ft
Tuesday Night
Low: 36 °F
NNW 25kt
7ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:20 pm AKST Dec 5, 2025
Forecast Valid: 7pm AKST Dec 5, 2025-6pm AKST Dec 12, 2025

View Nearby Observations

Detailed Forecast

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

Synopsis: A 1000 mb low 130 nm SW of Atka exits south to the North Pacific through Sat morning. A 982 mb North Pacific low 370 nm W of Shemya Sat morning moves to 310 nm SE of Atka at 978 mb Sun afternoon. Strong northeasterly gale-force winds continue along the coast with storm-force along the Kuskokwim Delta Coast through the weekend. Extreme Freezing Spray continues along the Kuskokwim Delta Coast through the weekend.

Tonight

NE wind 5 to 15 kt becoming NNW after midnight. Scattered showers, mainly before midnight. Seas 6 to 8 ft.

Saturday

NNW wind 10 to 15 kt becoming NNE in the afternoon. Partly sunny. Seas around 9 ft.

Saturday Night

NNE wind 20 to 25 kt, with gusts as high as 30 kt. Mostly cloudy, then gradually becoming clear. Seas 10 to 11 ft.

Sunday

NNE wind 25 to 30 kt, with gusts as high as 40 kt. Snow showers likely, mainly after noon. Seas 12 to 14 ft.

Sunday Night

NNE wind 20 to 30 kt. Snow showers likely, mainly before 3am. Seas 14 to 15 ft.

Monday

N wind 20 to 25 kt, with gusts as high as 30 kt. Scattered snow showers before 9am. Seas 11 to 12 ft.

Monday Night

N wind 25 to 30 kt. Showers likely, mainly between 9pm and 3am. Seas 10 to 12 ft.

Tuesday

N wind 25 to 30 kt. A chance of rain. Seas 10 ft subsiding to 7 ft.

Tuesday Night

NNW wind 20 to 25 kt. A chance of rain. Seas 7 ft subsiding to 4 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.