For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Today
High: 42 °F
⇑S 30kt
8-10ft

Small Craft Advisory
Tonight
Low: 39 °F
W 20kt
5-7ft
Saturday
High: 43 °F
W 15kt⇓
4-5ft
Saturday Night
Low: 39 °F
⇑SSE 35kt
14ft
Sunday
High: 45 °F
⇑S 55kt
25ft
Sunday Night
Low: 37 °F
WSW 55kt
28ft
Monday
High: 41 °F
WSW 50kt⇓
23-25ft
Monday Night
Low: 36 °F
⇑WSW 45kt
21-23ft
Tuesday
High: 42 °F
WSW 40kt⇓
21ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:25 am AKST Jan 2, 2026
Forecast Valid: 8am AKST Jan 2, 2026-6pm AKST Jan 8, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

Synopsis: A 972 mb low 180 nm WNW of Shemya sends its front across the Bering Sea as it traverses the Western Bering and moves inland into eastern Russia Sat morning. A 955 mb low 470 nm SW of Shemya and its front moves toward the Aleutian Chain Sat afternoon.

Today

S wind 15 to 20 kt increasing to 25 to 30 kt in the afternoon. Winds could gust as high as 40 kt. Rain. Seas 8 to 10 ft.

Tonight

W wind 15 to 20 kt. A chance of rain before midnight. Seas 5 to 7 ft.

Saturday

W wind 10 to 15 kt becoming variable and less than 5 kt. A chance of rain after 3pm. Seas 4 to 5 ft.

Saturday Night

ESE wind 25 to 30 kt becoming SSE 30 to 35 kt after midnight. Winds could gust as high as 40 kt. Rain. Seas 6 ft building to 14 ft.

Sunday

S wind 35 to 45 kt increasing to 45 to 55 kt in the afternoon. Winds could gust as high as 75 kt. Rain likely, mainly before 3pm. Seas 14 ft building to 25 ft.

Sunday Night

WSW wind 50 to 55 kt, with gusts as high as 75 kt. A chance of rain before 9pm, then a chance of rain and snow. Seas 28 ft subsiding to 24 ft.

Monday

WSW wind 45 to 50 kt becoming S 35 to 40 kt in the afternoon. Winds could gust as high as 65 kt. A chance of rain and snow before 9am, then rain likely. Seas 23 to 25 ft.

Monday Night

S wind 35 to 40 kt becoming WSW 40 to 45 kt in the evening. Winds could gust as high as 60 kt. Rain likely. Seas 21 to 23 ft.

Tuesday

WSW wind 30 to 40 kt becoming S 10 to 20 kt. Rain. Seas 21 ft subsiding to 12 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.