Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

For More Weather Information:

Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]

Sunday
High: 24 °F
SSW 15kt
< 1ft
Sunday Night
Low: 8 °F
NW 10kt
< 1ft
Monday
High: 15 °F
NNW 10kt
< 1ft
Monday Night
Low: -2 °F
NNW 10kt
< 1ft
Tuesday
High: 11 °F
Light Wind
< 1ft
Tuesday Night
Low: 3 °F
Light Wind
< 1ft
Wednesday
High: 20 °F
Light Wind
< 1ft
Wednesday Night
Low: 11 °F
Light Wind
< 1ft
Thursday
High: 26 °F
SW 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: 1:32 am CST Feb 1, 2026
Forecast Valid: 1am CST Feb 1, 2026-6pm CST Feb 7, 2026

View Nearby Observations

Detailed Forecast

Sunday

S wind 10 to 15 kt becoming SW in the afternoon. Winds could gust as high as 25 kt. A chance of snow showers, mainly after 10am. Waves 1 ft or less.

Sunday Night

SW wind 5 to 10 kt becoming NNW after midnight. Winds could gust as high as 20 kt. Snow showers likely, mainly before midnight. Waves 1 ft or less.

Monday

NNW wind around 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

NNW wind 5 to 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

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

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Wednesday

Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Thursday

SW wind around 10 kt, with gusts as high as 20 kt. A chance of snow showers. Waves 1 ft or less.

Note, wave height forecasts are for ice free areas.

*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.