For More Weather Information:

Duluth, MN Local Forecast Office

11NM ENE Superior WI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 39 °F
W 10kt
< 1ft
Tonight
Low: 31 °F
Light Wind
< 1ft
Friday
High: 44 °F
Light Wind
< 1ft
Friday Night
Low: 32 °F
Light Wind
< 1ft
Saturday
High: 44 °F
⇑E 10kt
< 1ft
Saturday Night
Low: 41 °F
E 15kt
< 1ft
Sunday
High: 55 °F
E 10kt
1ft
Sunday Night
Low: 44 °F
WSW 15kt
1-2ft
Monday
High: 50 °F
ENE 10kt
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: 1:21 pm CDT Apr 9, 2026
Forecast Valid: 2pm CDT Apr 9, 2026-6pm CDT Apr 15, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

W wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

Tonight

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

Friday

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

Friday Night

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

Saturday

Variable winds less than 5 kt becoming E 5 to 10 kt in the afternoon. A chance of showers after 1pm. Waves 1 ft or less.

Saturday Night

E wind 10 to 15 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.

Sunday

E wind around 10 kt becoming S in the afternoon. Winds could gust as high as 15 kt. Rain, with thunderstorms also possible after 1pm. Waves around 1 ft.

Sunday Night

N wind 10 to 15 kt becoming WSW in the evening. A chance of rain, mainly before 1am. Waves 1 to 2 ft.

Monday

WNW wind around 10 kt becoming ENE in the afternoon. A chance of rain. Waves 1 to 2 ft.

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.