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Duluth, MN Local Forecast Office

11NM ENE Superior WI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 38 °F
W 10kt
< 1ft
Tonight
Low: 35 °F
⇑SW 25kt
4ft

Small Craft Advisory
Sunday
High: 49 °F
WSW 20kt
1-3ft

Small Craft Advisory
Sunday Night
Low: 37 °F
SW 20kt
2ft
Monday
High: 42 °F
W 15kt
1-2ft
Monday Night
Low: 30 °F
⇑ENE 15kt
< 1ft
Tuesday
High: 32 °F
ENE 25kt
6ft
Tuesday Night
Low: 26 °F
ENE 25kt
5-6ft
Wednesday
High: 32 °F
NNE 15kt
2-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:46 am CST Mar 7, 2026
Forecast Valid: 12pm CST Mar 7, 2026-6pm CDT Mar 13, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

W wind around 10 kt becoming SW. Mostly sunny. Waves 1 ft or less.

Tonight

SW wind 10 to 15 kt increasing to 20 to 25 kt after midnight. Winds could gust as high as 30 kt. Rain and snow likely, mainly before 2am. Waves 1 ft or less building to 4 ft.

Sunday

WSW wind 15 to 20 kt. A slight chance of rain after 2pm. Waves 1 to 3 ft.

Sunday Night

SW wind 15 to 20 kt becoming W after midnight. A slight chance of rain after midnight. Waves around 2 ft.

Monday

W wind 5 to 15 kt becoming NW in the afternoon. Mostly sunny. Waves 1 to 2 ft.

Monday Night

NW wind 5 to 10 kt becoming ENE 10 to 15 kt after midnight. A chance of snow after midnight. Waves 1 ft or less.

Tuesday

ENE wind 20 to 25 kt. Snow likely, mainly before noon. Waves 2 ft building to 6 ft.

Tuesday Night

ENE wind 15 to 25 kt. A chance of snow. Widespread freezing spray between 9pm and 10pm, then Widespread freezing spray after 2am. Waves 5 to 6 ft.

Wednesday

NNE wind 10 to 15 kt. A chance of snow. Waves 2 to 4 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.