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Duluth, MN Local Forecast Office

Grand Portage MN

Marine Point Forecast

[NOTICE]

Late Afternoon
High: 48 °F
Light Wind
< 1ft
Tonight
Low: 44 °F
ENE 15kt
< 1ft
Wednesday
High: 54 °F
SW 20kt
< 1ft
Wednesday Night
Low: 42 °F
WSW 15kt
< 1ft
Thursday
High: 59 °F
W 10kt
< 1ft
Thursday Night
Low: 40 °F
Light Wind
< 1ft
Friday
High: 50 °F
ENE 10kt
< 1ft
Friday Night
Low: 42 °F
ENE 10kt
< 1ft
Saturday
High: 51 °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: 3:29 pm CDT May 21, 2024
Forecast Valid: 4pm CDT May 21, 2024-6pm CDT May 28, 2024

View Nearby Observations

Detailed Forecast

Late Afternoon

Variable winds 5 kt or less. Showers and possibly a thunderstorm. Patchy fog. Waves 1 ft or less.

Tonight

ENE wind around 15 kt becoming ESE after midnight. Winds could gust as high as 30 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog. Waves 1 ft or less.

Wednesday

S wind 15 to 20 kt becoming WSW in the afternoon. Winds could gust as high as 35 kt. Showers and thunderstorms likely. Areas of fog before 10am. Waves 1 ft or less.

Wednesday Night

WSW wind 10 to 15 kt, with gusts as high as 30 kt. A chance of showers, mainly before 10pm. Waves 1 ft or less.

Thursday

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

Thursday Night

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

Friday

ENE wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers, with thunderstorms also possible after 4pm. Waves 1 ft or less.

Friday Night

ENE wind around 10 kt, with gusts as high as 20 kt. Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Waves 1 ft or less.

Saturday

W wind around 10 kt, with gusts as high as 20 kt. A chance of showers. 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.