For More Weather Information:

Anchorage, AK Local Forecast Office

29NM WSW Seguam Island AK

Marine Point Forecast

[NOTICE]

This Afternoon
High: 50 °F
WNW 20kt
3ft
Tonight
Low: 47 °F
WNW 15kt
3-4ft
Saturday
High: 56 °F
WNW 10kt
2ft
Saturday Night
Low: 48 °F
SSW 15kt
2-3ft
Sunday
High: 60 °F
SW 20kt
3ft
Sunday Night
Low: 52 °F
SW 25kt
5ft
Monday
High: 60 °F
WSW 20kt
4-5ft
Monday Night
Low: 50 °F
WSW 20kt
3ft
Tuesday
High: 57 °F
W 10kt
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:15 pm AKDT Jul 31, 2026
Forecast Valid: 3pm AKDT Jul 31, 2026-6pm AKDT Aug 6, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 1004 mb low 125 nm NW of Dutch Harbor moves to 220 nm NW of Nelson Lagoon at 1006 mb Fri afternoon and then to 185 nm S of Chignik at 1012 mb Sat afternoon. A separate front moves into the western Bering this afternoon.

This Afternoon

WNW wind around 20 kt. Partly sunny. Seas around 3 ft.

Tonight

WNW wind around 15 kt. Mostly cloudy. Seas 3 to 4 ft.

Saturday

WNW wind 5 to 10 kt becoming SW in the afternoon. A chance of rain, mainly after 4pm. Seas around 2 ft.

Saturday Night

SSW wind around 15 kt. A chance of showers before 7pm. Seas 2 to 3 ft.

Sunday

SW wind around 20 kt. Partly sunny. Seas around 3 ft.

Sunday Night

SW wind around 25 kt, with gusts as high as 30 kt. Rain likely, mainly after 1am. Seas around 5 ft.

Monday

WSW wind 15 to 20 kt. Rain likely, mainly before 7am. Seas 4 to 5 ft.

Monday Night

WSW wind 15 to 20 kt. A chance of showers. Seas around 3 ft.

Tuesday

W wind around 10 kt. A chance of showers. 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.