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Marquette, MI Local Forecast Office

26NM ESE Isle Royale National Park MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 49 °F
N 15kt
1-3ft
Sunday
High: 53 °F
NNE 15kt
2-3ft
Sunday Night
Low: 47 °F
NW 10kt
< 1ft
Monday
High: 52 °F
Light Wind
< 1ft
Monday Night
Low: 50 °F
Light Wind
< 1ft
Tuesday
High: 51 °F
E 10kt
< 1ft
Tuesday Night
Low: 46 °F
Light Wind
< 1ft
Wednesday
High: 52 °F
Light Wind
< 1ft
Wednesday Night
Low: 46 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:25 pm CDT Jul 5, 2025
Forecast Valid: 6pm CDT Jul 5, 2025-6pm CDT Jul 12, 2025

View Nearby Observations

Detailed Forecast

Tonight

N wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Patchy dense fog before 2am. Waves 1 to 3 ft.

Sunday

NNE wind 10 to 15 kt becoming NNW in the afternoon. Sunny. Waves 2 to 3 ft.

Sunday Night

NW wind 5 to 10 kt becoming NNE after midnight. Increasing clouds. Waves 1 ft or less.

Monday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Monday Night

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

Tuesday

E wind 5 to 10 kt. A chance of showers before 1pm. Waves 1 ft or less.

Tuesday Night

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

Wednesday

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

Wednesday Night

Variable winds 5 kt or less. Mostly cloudy. 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.