Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

For More Weather Information:

Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]

Friday
High: 52 °F
E 10kt
< 1ft
Friday Night
Low: 28 °F
NW 15kt
< 1ft
Saturday
High: 34 °F
WNW 15kt
< 1ft
Saturday Night
Low: 24 °F
NW 15kt
< 1ft
Sunday
High: 36 °F
WNW 10kt
< 1ft
Sunday Night
Low: 26 °F
Light Wind
< 1ft
Monday
High: 43 °F
SSW 10kt
< 1ft
Monday Night
Low: 36 °F
SSW 10kt
< 1ft
Tuesday
High: 46 °F
W 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: 1:16 am CDT Apr 17, 2026
Forecast Valid: 2am CDT Apr 17, 2026-6pm CDT Apr 23, 2026

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Detailed Forecast

Friday

E wind 5 to 10 kt becoming SSE in the afternoon. A slight chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 7am. Waves 1 ft or less.

Friday Night

SW wind 10 to 15 kt becoming NW in the evening. Winds could gust as high as 25 kt. Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Waves 1 ft or less.

Saturday

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

Saturday Night

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

Sunday

WNW wind 5 to 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

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

Monday

SSW wind 5 to 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

S wind around 10 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday

W wind 5 to 10 kt, with gusts as high as 20 kt. 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.