For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Today
High: 44 °F
NE 15kt
4-5ft
Tonight
Low: 38 °F
NNE 10kt
3ft
Monday
High: 46 °F
N 15kt
3-4ft
Monday Night
Low: 37 °F
N 20kt
4-5ft
Tuesday
High: 44 °F
N 20kt
6-7ft
Tuesday Night
Low: 40 °F
NNE 15kt
5-7ft
Wednesday
High: 45 °F
N 10kt
5ft
Wednesday Night
Low: 40 °F
NE 10kt
5ft
Thursday
High: 44 °F
E 10kt
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:14 am AKDT May 31, 2026
Forecast Valid: 5am AKDT May 31, 2026-6pm AKDT Jun 6, 2026

View Nearby Observations

Detailed Forecast

Synopsis: High pressure persists over the central Bering through Tue morning. A western Gulf front overspreads the Alaska Peninsula on Mon and stalls through Tue.

Today

NE wind 10 to 15 kt. Mostly sunny. Seas 4 to 5 ft.

Tonight

NNE wind around 10 kt. Partly cloudy. Seas around 3 ft.

Monday

N wind around 15 kt. Mostly sunny. Seas 3 to 4 ft.

Monday Night

N wind around 20 kt. Partly cloudy. Seas 4 to 5 ft.

Tuesday

N wind around 20 kt. Mostly cloudy. Seas 6 to 7 ft.

Tuesday Night

NNE wind 10 to 15 kt. Mostly cloudy. Seas 5 to 7 ft.

Wednesday

N wind around 10 kt. Mostly cloudy. Seas around 5 ft.

Wednesday Night

NE wind 5 to 10 kt. Mostly cloudy. Seas around 5 ft.

Thursday

E wind 5 to 10 kt. Mostly cloudy. Seas around 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.