Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

Tonight
Low: 45 °F
W 10kt
< 1ft

Small Craft Advisory
Monday
High: 61 °F
WSW 15kt
3ft
Monday Night
Low: 43 °F
WSW 10kt
1-2ft
Tuesday
High: 54 °F
ENE 10kt
< 1ft
Tuesday Night
Low: 42 °F
Light Wind
< 1ft
Wednesday
High: 54 °F
Light Wind
< 1ft
Wednesday Night
Low: 43 °F
Light Wind
< 1ft
Thursday
High: 59 °F
W 10kt
< 1ft
Thursday Night
Low: 45 °F
WNW 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: 2:41 pm CDT Jun 14, 2026
Forecast Valid: 5pm CDT Jun 14, 2026-6pm CDT Jun 21, 2026

View Nearby Observations

Detailed Forecast

Tonight

W wind 5 to 10 kt, with gusts as high as 20 kt. Increasing clouds. Waves 1 ft or less.

Monday

WSW wind 10 to 15 kt, with gusts as high as 25 kt. Scattered showers before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then scattered showers and thunderstorms after 4pm. Waves 1 ft or less building to 3 ft.

Monday Night

WSW wind 5 to 10 kt becoming NNE after midnight. Scattered showers and thunderstorms before midnight, then isolated showers between midnight and 1am. Waves 1 to 2 ft.

Tuesday

NE wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

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

Wednesday Night

Variable winds 5 kt or less. A slight chance of showers. Waves 1 ft or less.

Thursday

NNW wind 5 to 10 kt becoming W in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Thursday Night

WNW wind 5 to 10 kt. Partly cloudy. 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.