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Duluth, MN Local Forecast Office

11NM ENE Superior WI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 38 °F
NE 10kt
< 1ft
Tonight
Low: 38 °F
NE 15kt
1-2ft
Friday
High: 47 °F
NW 15kt
1ft
Friday Night
Low: 29 °F
WNW 20kt
2-3ft
Saturday
High: 36 °F
W 25kt
3-4ft
Saturday Night
Low: 28 °F
WNW 25kt
4ft
Sunday
High: 40 °F
NW 10kt
< 1ft
Sunday Night
Low: 30 °F
Light Wind
< 1ft
Monday
High: 49 °F
ESE 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:16 pm CDT Apr 16, 2026
Forecast Valid: 12pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NE wind 5 to 10 kt. Patchy dense fog before 1pm. Waves 1 ft or less.

Tonight

NE wind around 15 kt. Patchy fog before 7pm, then Patchy fog after 8pm. Waves 1 to 2 ft.

Friday

NE wind 10 to 15 kt becoming NW in the afternoon. Rain and thunderstorms before 4pm, then rain likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. Patchy fog before 9am, then Patchy fog after 4pm. Waves around 1 ft.

Friday Night

WNW wind around 20 kt. A chance of rain, mixing with snow after midnight, then gradually ending. Some thunder is also possible. Waves 2 to 3 ft.

Saturday

W wind 20 to 25 kt. Mostly cloudy. Waves 3 to 4 ft.

Saturday Night

WNW wind 15 to 25 kt. Partly cloudy. Waves 4 ft subsiding to 1 ft.

Sunday

NW wind around 10 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

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

Monday

ESE wind 5 to 15 kt. Mostly sunny. 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.