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Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

This Afternoon
High: 59 °F
W 15kt
1ft
Tonight
Low: 44 °F
NW 10kt
< 1ft
Friday
High: 60 °F
SW 15kt
1-2ft
Friday Night
Low: 48 °F
WSW 10kt
2ft
Saturday
High: 63 °F
SSE 20kt
5ft
Saturday Night
Low: 50 °F
S 25kt
4-5ft
Sunday
High: 54 °F
W 20kt
2-3ft
Sunday Night
Low: 44 °F
WNW 20kt
< 1ft
Monday
High: 56 °F
WNW 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:57 pm CDT Oct 3, 2024
Forecast Valid: 3pm CDT Oct 3, 2024-6pm CDT Oct 10, 2024

View Nearby Observations

Detailed Forecast

This Afternoon

W wind 10 to 15 kt. Sunny. Waves around 1 ft.

Tonight

NW wind 5 to 10 kt, with gusts as high as 15 kt. Mostly clear. Waves 1 ft or less.

Friday

NW wind 5 to 15 kt becoming SW in the afternoon. Winds could gust as high as 20 kt. Sunny. Waves 1 to 2 ft.

Friday Night

WSW wind 5 to 10 kt, with gusts as high as 15 kt. Mostly clear. Waves around 2 ft.

Saturday

SSE wind 15 to 20 kt, with gusts as high as 35 kt. A chance of showers after 1pm. Waves 2 ft building to 5 ft.

Saturday Night

S wind 15 to 25 kt becoming W after midnight. Winds could gust as high as 40 kt. Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Waves 4 to 5 ft.

Sunday

W wind around 20 kt, with gusts as high as 35 kt. A chance of showers, mainly before 1pm. Waves 2 to 3 ft.

Sunday Night

WNW wind 15 to 20 kt, with gusts as high as 30 kt. Partly cloudy. Waves 1 ft or less.

Monday

WNW wind 10 to 15 kt, with gusts as high as 25 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.