For More Weather Information:

Anchorage, AK Local Forecast Office

2NM W Portage AK

Marine Point Forecast

[NOTICE]

Tonight
Low: 35 °F
Light Wind
< 1ft
Wednesday
High: 40 °F
Light Wind
< 1ft
Wednesday Night
Low: 32 °F
Light Wind
< 1ft
Thursday
High: 36 °F
Light Wind
< 1ft
Thursday Night
Low: 26 °F
Light Wind
< 1ft
Friday
High: 29 °F
Light Wind
< 1ft
Friday Night
Low: 15 °F
Light Wind
< 1ft
Saturday
High: 23 °F
Light Wind
< 1ft
Saturday Night
Low: 15 °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: 8:29 pm AKST Dec 2, 2025
Forecast Valid: 9pm AKST Dec 2, 2025-6pm AKST Dec 9, 2025

View Nearby Observations

Detailed Forecast

Synopsis: A front over the northern Gulf Coast slides into Southeast Alaska Tue night. A new trough moves into the western Gulf Wed morning before reaching the Kenai Peninsula Wed afternoon.

Tonight

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

Wednesday

Variable winds 5 kt or less. Rain likely, mainly before noon. Seas 1 ft or less.

Wednesday Night

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

Thursday

Variable winds 5 kt or less. A chance of snow before noon, then a chance of rain and snow between noon and 3pm, then a chance of snow after 3pm. Seas 1 ft or less.

Thursday Night

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

Friday

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

Friday Night

Variable winds 5 kt or less. A chance of snow before 9pm. Seas 1 ft or less.

Saturday

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

Saturday Night

Variable winds 5 kt or less. Snow likely. 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.