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Duluth MN

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 1:11 am CDT Aug 30, 2026
Forecast Valid: 1am CDT Aug 30, 2026-6pm CDT Sep 5, 2026

Sunday

ENE wind 10 to 20 kt. A chance of showers, mainly before 11am. Waves 1 to 2 ft.

Sunday Night

NE wind 10 to 15 kt, with gusts as high as 20 kt. Showers and thunderstorms likely before 4am, then a chance of showers. Waves 1 to 2 ft.

Monday

Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Monday Night

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

Tuesday

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

Tuesday Night

Variable winds 5 kt or less. A chance of showers, mainly after 1am. Waves 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

E wind 5 to 10 kt, with gusts as high as 15 kt. Mostly sunny. Waves 1 ft or less.

*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.