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Duluth, MN Local Forecast Office

11NM ENE Superior WI

Marine Point Forecast

[NOTICE]

Today
High: 48 °F
ENE 15kt
2ft

Small Craft Advisory
Tonight
Low: 43 °F
ENE 15kt
1-2ft
Friday
High: 51 °F
W 15kt
1-2ft
Friday Night
Low: 40 °F
WNW 10kt
< 1ft
Saturday
High: 49 °F
Light Wind
< 1ft
Saturday Night
Low: 39 °F
Light Wind
< 1ft
Sunday
High: 48 °F
NE 10kt
< 1ft
Sunday Night
Low: 40 °F
NE 20kt
1-3ft
Monday
High: 45 °F
NE 25kt
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:06 am CDT Apr 23, 2026
Forecast Valid: 6am CDT Apr 23, 2026-6pm CDT Apr 29, 2026

View Nearby Observations

Detailed Forecast

Today

ENE wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Waves around 2 ft.

Tonight

ENE wind 5 to 15 kt becoming W after midnight. Showers and thunderstorms before 4am, then a chance of showers. Waves 1 to 2 ft.

Friday

W wind 10 to 15 kt. A slight chance of showers before 8am. Waves 1 to 2 ft.

Friday Night

WNW wind 5 to 10 kt. Mostly clear. Waves 1 ft or less.

Saturday

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

Saturday Night

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

Sunday

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

Sunday Night

NE wind 15 to 20 kt. A chance of rain. Waves 1 to 3 ft.

Monday

NE wind 20 to 25 kt. Rain likely. Waves around 5 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.