For More Weather Information:

Anchorage, AK Local Forecast Office

2NM W Portage AK

Marine Point Forecast

[NOTICE]

Today
High: 42 °F
Light Wind
< 1ft
Tonight
Low: 35 °F
Light Wind
< 1ft
Monday
High: 42 °F
E 10kt
< 1ft
Monday Night
Low: 30 °F
E 10kt
< 1ft
Tuesday
High: 40 °F
E 10kt
< 1ft
Tuesday Night
Low: 27 °F
E 10kt
< 1ft
Wednesday
High: 38 °F
Light Wind
< 1ft
Wednesday Night
Low: 26 °F
N 10kt
< 1ft
Thursday
High: 37 °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: 3:57 am AKST Nov 2, 2025
Forecast Valid: 8am AKST Nov 2, 2025-6pm AKST Nov 8, 2025

View Nearby Observations

Detailed Forecast

Synopsis: A 985 mb low near Kayak Island tracks through Prince William Sound Sun afternoon at 992 mb, and dissipates Sun night while moving across the Kenai Peninsula into Cook Inlet.

Today

Variable winds 5 kt or less. A slight chance of rain and snow showers between 9am and noon, then scattered rain showers. Areas of fog before noon. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Rain showers likely before midnight, then rain and snow showers likely. Seas 1 ft or less.

Monday

E wind 5 to 10 kt. Rain and snow showers likely, becoming all rain after noon. Seas 1 ft or less.

Monday Night

E wind 5 to 10 kt. A chance of rain and snow before 9pm, then snow likely. Seas 1 ft or less.

Tuesday

E wind around 10 kt. Snow likely before noon, then rain and snow likely between noon and 3pm, then rain likely after 3pm. Seas 1 ft or less.

Tuesday Night

E wind 5 to 10 kt becoming NNE after midnight. Rain likely before 9pm, then snow likely. Seas 1 ft or less.

Wednesday

Variable winds 5 kt or less. A chance of snow before 9am, then a chance of rain and snow. Seas 1 ft or less.

Wednesday Night

N wind 5 to 10 kt. A chance of rain and snow before 9pm, then a chance of snow. Seas 1 ft or less.

Thursday

Variable winds 5 kt or less. A chance of snow before 9am, then a chance of rain and 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.