Winter Weather Brings Dangerous Travel Conditions Across the Northern U.S.

Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >

For More Weather Information:

Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]

Saturday
High: 26 °F
NE 10kt
< 1ft
Saturday Night
Low: 19 °F
NNE 15kt
< 1ft
Sunday
High: 25 °F
NW 15kt
< 1ft
Sunday Night
Low: 16 °F
NW 10kt
< 1ft
Monday
High: 25 °F
WSW 15kt
< 1ft
Monday Night
Low: 16 °F
WNW 10kt
< 1ft
Tuesday
High: 28 °F
SW 10kt
< 1ft
Tuesday Night
Low: 13 °F
NW 10kt
< 1ft
Wednesday
High: 22 °F
NW 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:27 am CST Nov 29, 2025
Forecast Valid: 3am CST Nov 29, 2025-6pm CST Dec 5, 2025

View Nearby Observations

Detailed Forecast

Saturday

N wind 5 to 10 kt becoming NE in the afternoon. A slight chance of snow showers after 3pm. Waves 1 ft or less.

Saturday Night

NNE wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow showers, mainly between 9pm and 3am. Waves 1 ft or less.

Sunday

NW wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of snow showers before noon. Waves 1 ft or less.

Sunday Night

NW wind around 10 kt becoming W after midnight. Winds could gust as high as 20 kt. Partly cloudy. Waves 1 ft or less.

Monday

WSW wind 10 to 15 kt, with gusts as high as 25 kt. A slight chance of snow showers. Waves 1 ft or less.

Monday Night

WNW wind 5 to 10 kt, with gusts as high as 25 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday

WNW wind 5 to 10 kt becoming SW in the afternoon. Winds could gust as high as 15 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday Night

SW wind around 10 kt becoming NW after midnight. Winds could gust as high as 20 kt. A chance of snow showers. Waves 1 ft or less.

Wednesday

NW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow showers. Waves 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.