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Duluth, MN Local Forecast Office

11NM ENE Superior WI

Marine Point Forecast

[NOTICE]

Tonight
Low: 38 °F
Light Wind
< 1ft
Wednesday
High: 47 °F
NE 10kt
< 1ft
Wednesday Night
Low: 41 °F
ENE 15kt
2ft
Thursday
High: 50 °F
ENE 15kt
2-3ft
Thursday Night
Low: 44 °F
ENE 15kt
2-3ft
Friday
High: 49 °F
N 15kt
2ft
Friday Night
Low: 39 °F
NW 15kt
2ft
Saturday
High: 48 °F
WNW 15kt
1-2ft
Saturday Night
Low: 39 °F
N 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: 6:26 pm CDT Apr 21, 2026
Forecast Valid: 10pm CDT Apr 21, 2026-6pm CDT Apr 28, 2026

View Nearby Observations

Detailed Forecast

Tonight

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

Wednesday

NE wind 5 to 10 kt. Sunny. Waves 1 ft or less.

Wednesday Night

ENE wind around 15 kt. A slight chance of rain before 10pm, then a slight chance of rain and thunderstorms between 10pm and 1am. Waves around 2 ft.

Thursday

ENE wind 10 to 15 kt, with gusts as high as 20 kt. A chance of rain between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. Waves 2 to 3 ft.

Thursday Night

ENE wind 10 to 15 kt. Rain and possibly a thunderstorm. Waves 2 to 3 ft.

Friday

NNE wind 10 to 15 kt becoming WNW in the morning. A chance of rain. Waves around 2 ft.

Friday Night

NW wind around 15 kt. Partly cloudy. Waves around 2 ft.

Saturday

WNW wind 10 to 15 kt. Mostly sunny. Waves 1 to 2 ft.

Saturday Night

N wind 5 to 10 kt becoming NE after midnight. 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.