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Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 46 °F
SW 20kt
7ft
Tonight
Low: 42 °F
W 20kt
5-6ft
Thursday
High: 45 °F
NW 15kt
3-4ft
Thursday Night
Low: 42 °F
W 15kt
3ft
Friday
High: 45 °F
WNW 15kt
3ft
Friday Night
Low: 42 °F
Light Wind
3ft
Independence Day
High: 45 °F
E 20kt
3-4ft
Saturday Night
Low: 42 °F
ESE 20kt
5-6ft
Sunday
High: 46 °F
ESE 15kt
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: 7:12 am AKDT Jul 1, 2026
Forecast Valid: 12pm AKDT Jul 1, 2026-6pm AKDT Jul 7, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TODAY...

Synopsis: A 1004 mb low 275 nm W of Saint Paul moves to 70 nm S of Nunivak Island at 1008 mb by Thu morning before moving inland. Its front over the E. Bering moves inland by Wed afternoon. A 1007 mb low arrives 100 nm SW of St. Lawrence Island by Thu morning and moves over Nunivak Island at 1006 mb by Fri morning.Its front descends over the E. Bering through Fri morning.

This Afternoon

SW wind around 20 kt. Rain likely, mainly before 1pm. Seas around 7 ft.

Tonight

W wind around 20 kt. A slight chance of rain before 7pm. Seas 5 to 6 ft.

Thursday

NW wind 10 to 15 kt. Partly sunny. Seas 3 to 4 ft.

Thursday Night

W wind 10 to 15 kt. Mostly cloudy. Seas around 3 ft.

Friday

WNW wind 10 to 15 kt. Mostly cloudy. Seas around 3 ft.

Friday Night

Variable winds 5 kt or less. A chance of rain after 10pm. Seas around 3 ft.

Independence Day

E wind 15 to 20 kt. Showers likely, mainly after 4pm. Seas 3 to 4 ft.

Saturday Night

ESE wind 15 to 20 kt. Showers likely. Seas 5 to 6 ft.

Sunday

ESE wind around 15 kt, with gusts as high as 20 kt. Showers likely. 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.