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Anchorage, AK Local Forecast Office

2NM W Portage AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 8 °F
Light Wind
< 1ft
Tuesday
High: 12 °F
Light Wind
< 1ft
Tuesday Night
Low: 7 °F
Light Wind
< 1ft
Wednesday
High: 12 °F
Light Wind
< 1ft
Wednesday Night
Low: 4 °F
Light Wind
< 1ft
Thursday
High: 11 °F
Light Wind
< 1ft
Thursday Night
Low: 6 °F
Light Wind
< 1ft
Friday
High: 19 °F
Light Wind
< 1ft
Friday Night
Low: 10 °F
NNW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:59 pm AKST Dec 8, 2025
Forecast Valid: 6pm AKST Dec 8, 2025-6pm AKST Dec 15, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY TONIGHT...

Synopsis: A 987 mb low 230 nm SE of Old Harbor will weaken and move into the north Pacific Tue morning. A trough moving south through the state will generate a new 1007 mb low 120 nm S of Seward Wed afternoon.

Tonight

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

Variable winds 5 kt or less. Partly cloudy. 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. Mostly clear. Seas 1 ft or less.

Thursday

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

Thursday Night

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

Friday

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

Friday Night

NNW wind 5 to 10 kt. Mostly clear. 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.