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Duluth MN

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 6:11 am CDT Sep 18, 2026
Forecast Valid: 8am CDT Sep 18, 2026-6pm CDT Sep 24, 2026

Today

ENE wind around 10 kt, with gusts as high as 15 kt. A chance of showers, mainly after 4pm. Waves 1 to 2 ft.

Tonight

ENE wind 5 to 10 kt, with gusts as high as 15 kt. A slight chance of showers before 7pm. Waves 1 to 2 ft.

Saturday

ENE wind around 10 kt. Mostly cloudy. Waves around 1 ft.

Saturday Night

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

Sunday

ENE wind 10 to 20 kt. Partly sunny. Waves 1 to 2 ft.

Sunday Night

ENE wind 10 to 15 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 to 3 ft.

Monday

ENE wind 10 to 20 kt. Partly sunny. Waves 1 to 2 ft.

Monday Night

ENE wind 5 to 15 kt. Partly cloudy. Waves 1 to 2 ft.

Tuesday

E wind 5 to 15 kt. 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.