Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]

This Afternoon
High: 20 °F
NNW 15kt
< 1ft
Tonight
Low: 15 °F
NNW 15kt
< 1ft
Thursday
High: 24 °F
NW 10kt
< 1ft
Thursday Night
Low: 18 °F
Light Wind
< 1ft
Friday
High: 22 °F
WNW 10kt
< 1ft
Friday Night
Low: 2 °F
NW 15kt
< 1ft
Saturday
High: 8 °F
NW 15kt
< 1ft
Saturday Night
Low: 3 °F
NNW 15kt
< 1ft
Sunday
High: 20 °F
NNW 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: 2:23 pm CST Dec 10, 2025
Forecast Valid: 3pm CST Dec 10, 2025-6pm CST Dec 16, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

NNW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves 1 ft or less.

Tonight

NNW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

NW wind 5 to 10 kt, with gusts as high as 15 kt. Partly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

WNW wind 5 to 10 kt, with gusts as high as 25 kt. Snow showers likely, mainly after noon. Waves 1 ft or less.

Friday Night

NW wind around 15 kt, with gusts as high as 30 kt. A chance of snow showers before midnight. Waves 1 ft or less.

Saturday

NW wind around 15 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 1 ft or less.

Saturday Night

NNW wind 10 to 15 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 1 ft or less.

Sunday

NNW wind 5 to 10 kt becoming WSW in the afternoon. Winds could gust as high as 20 kt. Partly sunny. 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.