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Marquette, MI Local Forecast Office

11NM ENE Isle Royale National Park MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 31 °F
ENE 25kt
6ft

Gale Warning
Tonight
Low: 27 °F
ENE 30kt
6-8ft

Gale Warning
Friday
High: 34 °F
N 20kt
2-4ft
Friday Night
Low: 29 °F
ENE 25kt
6ft
Saturday
High: 32 °F
E 25kt
6-7ft
Saturday Night
Low: 28 °F
N 25kt
3-5ft
Sunday
High: 35 °F
NNW 20kt
1-3ft
Sunday Night
Low: 25 °F
N 15kt
1-2ft
Monday
High: 29 °F
N 20kt
3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:22 pm CDT Apr 2, 2026
Forecast Valid: 2pm CDT Apr 2, 2026-6pm CDT Apr 8, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

ENE wind around 25 kt, with gusts as high as 30 kt. Snow. Waves around 6 ft.

Tonight

ENE wind 20 to 30 kt. Snow, mainly before 4am. The snow could be heavy at times. Waves 6 to 8 ft.

Friday

N wind 15 to 20 kt, with gusts as high as 25 kt. A chance of snow, mainly before 7am. Waves 2 to 4 ft.

Friday Night

ENE wind 15 to 25 kt, with gusts as high as 30 kt. Snow likely after 1am. Waves 2 ft building to 6 ft.

Saturday

E wind around 25 kt, with gusts as high as 30 kt. Snow before 10am, then snow, possibly mixed with sleet between 10am and 1pm, then snow after 1pm. Waves 6 to 7 ft.

Saturday Night

NNE wind 20 to 25 kt becoming NNW after midnight. Snow showers likely before 1am. Waves 3 to 5 ft.

Sunday

NNW wind 10 to 20 kt becoming W in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Waves 1 to 3 ft.

Sunday Night

W wind 10 to 15 kt becoming N after midnight. Mostly cloudy. Waves 1 to 2 ft.

Monday

N wind around 20 kt. A chance of snow showers. Waves around 3 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.