For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Today
High: 47 °F
W 10kt
3ft
Tonight
Low: 44 °F
Light Wind
2-3ft
Thursday
High: 46 °F
ESE 10kt
2-3ft
Thursday Night
Low: 44 °F
ENE 15kt
3ft
Friday
High: 46 °F
N 15kt
3-4ft
Friday Night
Low: 43 °F
NW 10kt
3ft
Saturday
High: 46 °F
WSW 15kt
3ft
Saturday Night
Low: 43 °F
W 15kt
3ft
Sunday
High: 46 °F
W 15kt
6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:47 am AKDT Jul 8, 2026
Forecast Valid: 8am AKDT Jul 8, 2026-6pm AKDT Jul 14, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 1002 mb low 140 nm N of False Pass exits into the Gulf of Alaska by Wed afternoon. A separate 1012 mb North Pacific low and its front enter the Bering 50 nm NE of Atka by Fri morning.

Today

W wind 5 to 10 kt. Areas of fog. Seas around 3 ft.

Tonight

Variable winds 5 kt or less. Patchy fog. Seas 2 to 3 ft.

Thursday

ESE wind 5 to 10 kt. Rain likely, mainly after 1pm. Patchy fog. Seas 2 to 3 ft.

Thursday Night

ENE wind around 15 kt. Rain, mainly before 4am. Patchy fog before 1am. Seas around 3 ft.

Friday

N wind around 15 kt. Showers likely, mainly before 10am. Seas 3 to 4 ft.

Friday Night

NW wind 5 to 10 kt. Mostly cloudy. Seas around 3 ft.

Saturday

WSW wind 5 to 15 kt. Mostly cloudy. Seas around 3 ft.

Saturday Night

W wind around 15 kt, with gusts as high as 25 kt. A chance of showers. Seas around 3 ft.

Sunday

W wind around 15 kt, with gusts as high as 20 kt. A chance of showers. 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.