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Duluth, MN Local Forecast Office

11NM ENE Superior WI

Marine Point Forecast

[NOTICE]

Tonight
Low: 29 °F
WNW 20kt
2-3ft

Small Craft Advisory
Saturday
High: 37 °F
WNW 20kt
3ft

Small Craft Advisory
Saturday Night
Low: 30 °F
WNW 25kt⇓
4ft

Small Craft Advisory
Sunday
High: 39 °F
NW 10kt
< 1ft
Sunday Night
Low: 30 °F
NNW 10kt
< 1ft
Monday
High: 48 °F
⇑SSW 15kt
< 1ft
Monday Night
Low: 40 °F
SSW 20kt
2ft
Tuesday
High: 52 °F
NW 10kt
< 1ft
Tuesday Night
Low: 39 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:08 pm CDT Apr 17, 2026
Forecast Valid: 6pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

WNW wind 15 to 20 kt, with gusts as high as 25 kt. A slight chance of rain showers before 7pm, then a chance of flurries between 7pm and 11pm. Some thunder is also possible. Waves 2 to 3 ft.

Saturday

WNW wind around 20 kt, with gusts as high as 30 kt. Partly sunny. Waves around 3 ft.

Saturday Night

WNW wind 20 to 25 kt decreasing to 10 to 15 kt after midnight. Partly cloudy. Waves 4 ft subsiding to 1 ft.

Sunday

NW wind around 10 kt. Sunny. Waves 1 ft or less.

Sunday Night

NNW wind 5 to 10 kt becoming SE after midnight. Mostly clear. Waves 1 ft or less.

Monday

SSW wind 5 to 10 kt increasing to 10 to 15 kt in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Waves 1 ft or less.

Monday Night

SSW wind 15 to 20 kt becoming W after midnight. Partly cloudy. Waves around 2 ft.

Tuesday

WNW wind 5 to 10 kt becoming N in the afternoon. Sunny. Waves 1 ft or less.

Tuesday Night

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

Note...Wave height forecasts are for ice free areas.

*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.