For More Weather Information:

Anchorage, AK Local Forecast Office

2NM W Portage AK

Marine Point Forecast

[NOTICE]

Sunday
High: 11 °F
Light Wind
< 1ft
Sunday Night
Low: -9 °F
Light Wind
< 1ft
Monday
High: 14 °F
Light Wind
< 1ft
Monday Night
Low: -4 °F
Light Wind
< 1ft
Tuesday
High: 18 °F
Light Wind
< 1ft
Tuesday Night
Low: -4 °F
NW 10kt
< 1ft
Wednesday
High: 18 °F
Light Wind
< 1ft
Wednesday Night
Low: 2 °F
Light Wind
< 1ft
Thursday
High: 22 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:44 am AKST Mar 1, 2026
Forecast Valid: 4am AKST Mar 1, 2026-6pm AKST Mar 7, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A front moves into the Gulf and this morning and continues to the East Gulf Mon morning before dissipating. A 1002 mb low tracks 180 nm S of Middleton Island Mon morning and dissipates in the East Gulf Mon afternoon. A 982 mb low arrives 380 nm S of Middleton Island Tue morning.

Sunday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Clear. Seas 1 ft or less.

Monday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. Clear. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Tuesday Night

NW wind 5 to 10 kt becoming N after midnight. Mostly clear. Seas 1 ft or less.

Wednesday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of snow. Seas 1 ft or less.

Thursday

Variable winds 5 kt or less. A chance of snow. Seas 1 ft or less.

*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.