For More Weather Information:

Anchorage, AK Local Forecast Office

39NM NW Seguam Island AK

Marine Point Forecast

[NOTICE]

Friday
High: 43 °F
NE 15kt
3ft
Friday Night
Low: 41 °F
NNE 15kt
4ft
Saturday
High: 44 °F
NNW 10kt
3-4ft
Saturday Night
Low: 41 °F
N 10kt
3ft
Sunday
High: 45 °F
Light Wind
2ft
Sunday Night
Low: 40 °F
N 10kt
2ft
Monday
High: 45 °F
N 10kt
2ft
Monday Night
Low: 41 °F
N 15kt
3-5ft
Tuesday
High: 45 °F
N 15kt
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:06 am AKDT Jun 5, 2026
Forecast Valid: 3am AKDT Jun 5, 2026-6pm AKDT Jun 11, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 1010 mb North Pacific low moves to 140 nm S of Nikolski Fri afternoon and migrates to 100 nm SE of Sand Point at 1003 mb by Sat morning before exiting into the Gulf Sat afternoon.

Friday

NE wind 10 to 15 kt. A slight chance of rain after 7am. Seas around 3 ft.

Friday Night

NNE wind around 15 kt. Mostly clear. Seas around 4 ft.

Saturday

NNW wind around 10 kt. Mostly sunny. Seas 3 to 4 ft.

Saturday Night

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

Sunday

Variable winds 5 kt or less. Mostly sunny. Seas around 2 ft.

Sunday Night

N wind 5 to 10 kt. Partly cloudy. Seas around 2 ft.

Monday

N wind around 10 kt. Partly sunny. Seas around 2 ft.

Monday Night

N wind 10 to 15 kt. Mostly cloudy. Seas 3 to 5 ft.

Tuesday

N wind 10 to 15 kt. Partly sunny. Seas around 4 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.