A Large Storm Expected To Impact the Midwest into the East.

A large storm system will slide from the Central U.S. into the East over the next couple of days. A zone of heavy snow is expected from the Mid Mississippi Valley into the Great Lakes, especially impacting parts of Iowa, Illinois, Wisconsin and Michigan. While, locally heavy rain with a marginal risk for excessive rainfall will be possible across the South into the southern Appalachians.
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Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

Overnight

Light Wind
< 1ft
Low: 9 °F
Wednesday

Light Wind
< 1ft
High: 20 °F
Wednesday
Night
NW 15kt
< 1ft
Low: 5 °F
Thursday

NW 20kt
< 1ft
High: 7 °F
Thursday
Night
NNW 15kt
< 1ft
Low: -18 °F
Friday

NW 10kt
< 1ft
High: -3 °F
Friday
Night
NW 10kt
< 1ft
Low: -14 °F
Saturday

WNW 10kt
< 1ft
High: 5 °F
Saturday
Night
N 15kt
< 1ft
Low: -13 °F

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:24 am CST Jan 23, 2019
Forecast Valid: 2am CST Jan 23, 2019-6pm CST Jan 29, 2019

View Nearby Observations

Detailed Forecast

Overnight

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

Wednesday

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

Wednesday Night

W wind 5 to 15 kt becoming NW after midnight. Winds could gust as high as 25 kt. Snow showers likely, mainly before 2am. Waves 1 ft or less.

Thursday

NW wind 15 to 20 kt, with gusts as high as 30 kt. Partly sunny. Waves 1 ft or less.

Thursday Night

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

Friday

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

Friday Night

NW wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

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

Saturday Night

N wind 10 to 15 kt, with gusts as high as 20 kt. A slight 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.