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Anchorage, AK Local Forecast Office

34NM ESE Seguam Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 43 °F
WNW 35kt
15ft

Small Craft Advisory
Tonight
Low: 39 °F
NW 20kt⇓
14ft

Small Craft Advisory
Sunday
High: 41 °F
ESE 25kt
8ft

Small Craft Advisory
Sunday Night
Low: 41 °F
NE 20kt
10-11ft
Monday
High: 42 °F
NNW 20kt
15-16ft
Monday Night
Low: 38 °F
NNW 15kt
11-13ft
Tuesday
High: 42 °F
⇑SE 20kt
9-10ft
Tuesday Night
Low: 38 °F
NNE 15kt
9-10ft
Wednesday
High: 42 °F
NNW 25kt
9ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:45 am AKDT Nov 1, 2025
Forecast Valid: 1pm AKDT Nov 1, 2025-6pm AKST Nov 7, 2025

View Nearby Observations

Detailed Forecast

...GALE WARNING TODAY...

Synopsis: A front lingers across the Eastern Bering and Alaska Peninsula through Sun morning. A 1002 mb low 230 nm NW of Adak moves to 160 nm S of Cape Sarichef by Sat afternoon. A 973 mb Kamchatka low pushes its front into the Western Bering by Sat afternoon as it moves to 30 nm NE of Shemya at 980 mb by Sun morning. It then continues to 320 nm S of Sand Point at 980 mb by Mon morning.

This Afternoon

WNW wind around 35 kt, with gusts as high as 40 kt. Showers likely, mainly before 4pm. Seas around 15 ft.

Tonight

NW wind 15 to 20 kt decreasing to 5 to 10 kt after midnight. Scattered showers before 7pm, then scattered showers after 4am. Seas 14 ft subsiding to 10 ft.

Sunday

ESE wind 15 to 25 kt. Showers, mainly after 7am. Seas around 8 ft.

Sunday Night

NE wind 15 to 20 kt, with gusts as high as 25 kt. Showers, mainly before 4am. Seas 10 to 11 ft.

Monday

NNW wind around 20 kt. Scattered showers before 10am. Seas 15 to 16 ft.

Monday Night

NNW wind 10 to 15 kt becoming W after midnight. Mostly cloudy. Seas 11 to 13 ft.

Tuesday

SE wind 10 to 15 kt increasing to 15 to 20 kt in the morning. Winds could gust as high as 30 kt. A chance of rain. Seas 9 to 10 ft.

Tuesday Night

SSE wind 10 to 15 kt becoming NNE in the evening. Winds could gust as high as 35 kt. Rain. Seas 9 to 10 ft.

Wednesday

NNW wind around 25 kt. Rain likely. 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.