Severe Thunderstorms, Excessive Rain and Heat Hazards

A Moderate Risk of severe thunderstorms (level 4 of 5) is in the outlook across portions of the Midwest today. Damaging winds, a few tornadoes and frequent lightning with heavy rainfall are in the forecast. Meanwhile, dangerous heat across the southern Plains into the Great Lakes, mid-Atlantic and Northeast will expand into Friday. Risk for wildfires for the central Rockies and Sacramento Valley. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

This Afternoon
High: 62 °F
SSW 10kt
1ft
Tonight
Low: 45 °F
WSW 10kt
1-2ft
Friday
High: 61 °F
WSW 15kt
1-3ft
Friday Night
Low: 46 °F
WSW 10kt
1-2ft
Saturday
High: 59 °F
WSW 15kt
1-2ft
Saturday Night
Low: 44 °F
W 10kt
< 1ft
Sunday
High: 58 °F
W 15kt
< 1ft
Sunday Night
Low: 42 °F
WNW 10kt
< 1ft
Monday
High: 52 °F
W 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: 1:21 pm CDT Jun 11, 2026
Forecast Valid: 2pm CDT Jun 11, 2026-6pm CDT Jun 17, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SSW wind around 10 kt, with gusts as high as 20 kt. A slight chance of showers after 4pm. Waves around 1 ft.

Tonight

WSW wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers, mainly before 2am. Waves 1 to 2 ft.

Friday

WSW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers before 4pm, then a chance of sprinkles between 4pm and 5pm, then a slight chance of showers after 5pm. Waves 1 to 3 ft.

Friday Night

WSW wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 to 2 ft.

Saturday

WSW wind 10 to 15 kt, with gusts as high as 25 kt. Partly sunny. Waves 1 to 2 ft.

Saturday Night

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

Sunday

W wind 10 to 15 kt, with gusts as high as 25 kt. Partly sunny. Waves 1 ft or less.

Sunday Night

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

Monday

W wind 10 to 15 kt. Partly sunny. 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.