Hazardous Weather Conditions

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Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

Today
High: 55 °F
SW 15kt
2-3ft

Small Craft Advisory
Tonight
Low: 44 °F
WSW 10kt
1-2ft
Monday
High: 51 °F
ENE 10kt
< 1ft
Monday Night
Low: 44 °F
Light Wind
< 1ft
Tuesday
High: 51 °F
ENE 15kt
1-2ft
Tuesday Night
Low: 44 °F
ENE 25kt
5ft
Wednesday
High: 48 °F
NNE 20kt
4-5ft
Wednesday Night
Low: 40 °F
W 15kt
2-4ft
Thursday
High: 49 °F
W 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 10:11 am CDT May 19, 2024
Forecast Valid: 10am CDT May 19, 2024-6pm CDT May 25, 2024

View Nearby Observations

Detailed Forecast

Today

SW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves 2 to 3 ft.

Tonight

WSW wind 5 to 10 kt becoming E after midnight. Winds could gust as high as 15 kt. A chance of sprinkles between 2am and 5am, then a slight chance of showers after 5am. Waves 1 to 2 ft.

Monday

ENE wind 5 to 10 kt. A chance of showers, mainly between 7am and 1pm. Waves 1 ft or less.

Monday Night

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

Tuesday

ENE wind 5 to 15 kt. A chance of showers after 1pm. Waves 1 to 2 ft.

Tuesday Night

ENE wind 15 to 25 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Waves 2 ft building to 5 ft.

Wednesday

NNE wind around 20 kt becoming W in the afternoon. Winds could gust as high as 30 kt. Showers and possibly a thunderstorm. Waves 4 to 5 ft.

Wednesday Night

W wind around 15 kt, with gusts as high as 25 kt. A chance of showers. Waves 2 to 4 ft.

Thursday

W wind around 15 kt, with gusts as high as 20 kt. A chance of showers. Waves 1 to 2 ft.

*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.