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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 42 °F
WNW 10kt
3ft
Tonight
Low: 40 °F
NW 10kt
3ft
Tuesday
High: 44 °F
Light Wind
2ft
Tuesday Night
Low: 41 °F
Light Wind
2ft
Wednesday
High: 44 °F
Light Wind
2ft
Wednesday Night
Low: 41 °F
Light Wind
2-3ft
Thursday
High: 45 °F
ESE 10kt
3ft
Thursday Night
Low: 41 °F
ESE 10kt
2ft
Friday
High: 45 °F
E 15kt
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:12 pm AKDT Jun 8, 2026
Forecast Valid: 4pm AKDT Jun 8, 2026-6pm AKDT Jun 14, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A weak front will move across the Kuskokwim Bay and Bristol Bay through tonight. Otherwise high pressure will persist across the Bering Sea. A front will then approach the western Aleutians on Wed.

This Afternoon

WNW wind around 10 kt. Mostly cloudy. Seas around 3 ft.

Tonight

NW wind around 10 kt. Mostly cloudy. Seas around 3 ft.

Tuesday

Variable winds 5 kt or less. Partly sunny. Seas around 2 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.

Wednesday

Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 2 to 3 ft.

Thursday

S wind around 10 kt becoming ESE in the afternoon. Partly sunny. Seas around 3 ft.

Thursday Night

ESE wind around 10 kt. Mostly cloudy. Seas around 2 ft.

Friday

E wind around 15 kt. Cloudy. Seas around 3 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.