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Anchorage, AK Local Forecast Office

2NM W Portage AK

Marine Point Forecast

[NOTICE]

Wednesday
High: 16 °F
Light Wind
< 1ft
Wednesday Night
Low: 1 °F
Light Wind
< 1ft
Thursday
High: 27 °F
Light Wind
< 1ft
Thursday Night
Low: 19 °F
E 10kt
< 1ft
Friday
High: 33 °F
E 10kt
< 1ft
Friday Night
Low: 11 °F
Light Wind
< 1ft
Saturday
High: 24 °F
Light Wind
< 1ft
Saturday Night
Low: 6 °F
Light Wind
< 1ft
Sunday
High: 19 °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: 8:53 pm AKST Mar 3, 2026
Forecast Valid: 3am AKST Mar 4, 2026-6pm AKDT Mar 10, 2026

View Nearby Observations

Detailed Forecast

Synopsis: A 983 mb low 385 nm S of Yakutat tracks to 145 nm E of Middleton Island at 988 mb by Wed morning before moving inland. A second low enters the western Gulf 184 nm S of Kodiak at 994 mb Wed afternoon and dissipates over Middleton Island at 1001 mb by Thu afternoon.

Wednesday

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

Wednesday Night

Variable winds 5 kt or less. A slight chance of snow showers after midnight. Seas 1 ft or less.

Thursday

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

Thursday Night

E wind 5 to 10 kt. Snow, mainly after 9pm. Seas 1 ft or less.

Friday

E wind 5 to 10 kt, with gusts as high as 20 kt. Snow showers. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Snow showers likely, mainly after 3am. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. Snow likely. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Snow likely. Seas 1 ft or less.

Sunday

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.