For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Saturday
High: 42 °F
⇑ESE 45kt
13ft

Gale Warning
Saturday Night
Low: 36 °F
SSW 50kt
19ft

Storm Warning
Sunday
High: 40 °F
SW 55kt
17-19ft
Sunday Night
Low: 38 °F
SW 40kt
17-19ft
Monday
High: 40 °F
WSW 35kt
16ft
Monday Night
Low: 37 °F
W 30kt
16-18ft
Tuesday
High: 40 °F
WSW 30kt
18ft
Tuesday Night
Low: 37 °F
SW 25kt
12ft
Wednesday
High: 40 °F
S 20kt
6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:25 pm AKDT Apr 24, 2026
Forecast Valid: 1am AKDT Apr 25, 2026-6pm AKDT May 1, 2026

View Nearby Observations

Detailed Forecast

...STORM WARNING SATURDAY AND SATURDAY NIGHT...

Synopsis: A 1004 mb low 180 nm S of Cold Bay moves to 90 nm S of Chignik at 1008 mb by Sat morning then dissipates Sat afternoon. A 973 mb North Pacific low moves to 350 nm S of Shemya by Sat morning as it pushes its front into the southern Bering. This low moves to 65 nm SW of Adak at 956 mb by Sat afternoon then to 150 nm W of Saint Paul by Sun afternoon.

Saturday

SSE wind 15 to 25 kt becoming ESE 35 to 45 kt in the morning. Winds could gust as high as 55 kt. Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. The rain and snow could be heavy at times. Seas 5 ft building to 13 ft.

Saturday Night

SSW wind 45 to 50 kt, with gusts as high as 60 kt. Showers. Seas 15 ft building to 19 ft.

Sunday

SW wind 45 to 55 kt, with gusts as high as 65 kt. Rain showers before 1pm, then rain and snow showers. Seas 17 to 19 ft.

Sunday Night

SW wind 35 to 40 kt, with gusts as high as 50 kt. Rain and snow showers. Seas 17 to 19 ft.

Monday

WSW wind 30 to 35 kt, with gusts as high as 40 kt. Rain and snow showers. Seas around 16 ft.

Monday Night

W wind around 30 kt, with gusts as high as 40 kt. Showers. Seas 16 to 18 ft.

Tuesday

WSW wind around 30 kt. Rain. Seas 18 ft subsiding to 14 ft.

Tuesday Night

SW wind 20 to 25 kt. Rain. Seas 12 ft subsiding to 9 ft.

Wednesday

S wind 15 to 20 kt becoming NNE in the morning. Rain. Seas around 6 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.