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Marquette, MI Local Forecast Office

21NM E Grand Marais MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 45 °F
Light Wind
< 1ft
Juneteenth
High: 57 °F
WNW 10kt
1-2ft
Thursday Night
Low: 47 °F
WNW 10kt
< 1ft
Friday
High: 63 °F
SSE 10kt
< 1ft
Friday Night
Low: 54 °F
SSE 10kt
< 1ft
Saturday
High: 68 °F
S 15kt
< 1ft
Saturday Night
Low: 58 °F
SE 10kt
< 1ft
Sunday
High: 75 °F
S 15kt
< 1ft
Sunday Night
Low: 62 °F
SSW 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: 6:10 pm CDT Jun 18, 2025
Forecast Valid: 8pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025

View Nearby Observations

Detailed Forecast

Tonight

Variable winds 5 kt or less. Patchy dense fog after 9pm. Waves 1 ft or less.

Juneteenth

WNW wind around 10 kt. Widespread haze before 2pm. Patchy fog before 9am. Waves 1 to 2 ft.

Thursday Night

WNW wind 5 to 10 kt becoming WSW after midnight. A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am. Waves 1 ft or less.

Friday

SW wind 5 to 10 kt becoming E in the afternoon. A chance of showers, mainly after 1pm. Waves 1 ft or less.

Friday Night

SSE wind around 10 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Waves 1 ft or less.

Saturday

S wind 10 to 15 kt. Showers and possibly a thunderstorm before 1pm, then a chance of showers. Waves 1 ft or less.

Saturday Night

SE wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

Sunday

S wind 10 to 15 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

SSW wind around 15 kt, with gusts as high as 20 kt. Mostly clear. Waves around 1 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.