Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. 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]

Today
High: 61 °F
Light Wind
< 1ft
Tonight
Low: 58 °F
Light Wind
< 1ft
Friday
High: 66 °F
Light Wind
< 1ft
Friday Night
Low: 55 °F
NW 10kt
< 1ft
Saturday
High: 68 °F
NW 10kt
< 1ft
Saturday Night
Low: 51 °F
NNW 10kt
< 1ft
Sunday
High: 64 °F
Light Wind
< 1ft
Sunday Night
Low: 51 °F
Light Wind
< 1ft
Monday
High: 65 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:36 am CDT Aug 20, 2026
Forecast Valid: 10am CDT Aug 20, 2026-6pm CDT Aug 26, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Showers, with thunderstorms also possible after 4pm. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Showers likely and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 11pm. Waves 1 ft or less.

Friday

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

Friday Night

WSW wind 5 to 10 kt becoming NW after midnight. Mostly cloudy. Waves 1 ft or less.

Saturday

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

Saturday Night

NNW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Sunday Night

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

Monday

Variable winds 5 kt or less. Mostly 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.