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Duluth, MN Local Forecast Office

12NM E Superior WI

Marine Point Forecast

[NOTICE]

Friday
High: 85 °F
⇑N 10kt
< 1ft
Friday Night
Low: 66 °F
NNE 10kt
< 1ft
Saturday
High: 77 °F
WNW 10kt
< 1ft
Saturday Night
Low: 61 °F
Light Wind
< 1ft
Sunday
High: 78 °F
Light Wind
< 1ft
Sunday Night
Low: 66 °F
SW 10kt
< 1ft
Monday
High: 82 °F
W 15kt
1-2ft
Monday Night
Low: 61 °F
WNW 20kt
2ft
Tuesday
High: 68 °F
WNW 20kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:36 am CDT Jul 17, 2026
Forecast Valid: 3am CDT Jul 17, 2026-6pm CDT Jul 23, 2026

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Detailed Forecast

Friday

Variable winds less than 5 kt becoming N 5 to 10 kt in the afternoon. Winds could gust as high as 15 kt. A chance of showers and thunderstorms, mainly after 3pm. Widespread smoke, mainly before 10am. Waves 1 ft or less.

Friday Night

NNE wind 5 to 10 kt becoming W after midnight. Winds could gust as high as 15 kt. A chance of showers and thunderstorms, mainly before 7pm. Areas of smoke before midnight. Waves 1 ft or less.

Saturday

WNW wind 5 to 10 kt becoming ENE in the afternoon. Patchy smoke. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Patchy smoke before 8pm. Waves 1 ft or less.

Sunday

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

Sunday Night

S wind 5 to 10 kt becoming SW after midnight. Winds could gust as high as 15 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Waves 1 ft or less.

Monday

SW wind around 15 kt becoming W in the afternoon. Winds could gust as high as 25 kt. A slight chance of showers and thunderstorms. Waves 1 to 2 ft.

Monday Night

WNW wind 15 to 20 kt. Partly cloudy. Waves around 2 ft.

Tuesday

WNW wind 15 to 20 kt. Mostly sunny. Waves 1 to 2 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.