Hazardous Weather Conditions

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Marquette, MI Local Forecast Office

3NM SE Isle Royale National Park MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SW wind around 20 km/h, with gusts as high as 30 km/h. Sunny. Waves 1 m or less.

      High: 18 °C

      SW 20km/h
      < 1m

    • Tonight

      Tonight:WNW wind around 15 km/h, with gusts as high as 25 km/h. Isolated showers and thunderstorms before 7pm.   Waves 1 m or less.

      Low: 12 °C

      WNW 15km/h
      < 1m

    • Tuesday

      Tuesday:WSW wind 15 to 25 km/h, with gusts as high as 35 km/h. A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.   Waves 1 m or less.

      High: 19 °C

      WSW 25km/h
      < 1m

    • Tuesday Night

      Tuesday Night:W wind around 15 km/h. A slight chance of thunderstorms before 7pm.   Waves 1 m or less.

      Low: 12 °C

      W 15km/h
      < 1m

    • Wednesday

      Wednesday:W wind 15 to 20 km/h. Sunny. Waves 1 m or less.

      High: 19 °C

      W 20km/h
      < 1m

    • Wednesday Night

      Wednesday Night:W wind 10 to 15 km/h becoming NNE after midnight. Mostly clear. Waves 1 m or less.

      Low: 10 °C

      W 15km/h
      < 1m

    • Thursday

      Thursday:NE wind around 10 km/h becoming SE in the afternoon. Sunny. Waves 1 m or less.

      High: 14 °C

      NE 10km/h
      < 1m

    • Thursday Night

      Thursday Night:SE wind around 15 km/h. Partly cloudy. Waves 1 m or less.

      Low: 9 °C

      SE 15km/h
      < 1m

    • Independence Day

      Independence Day:SE wind around 15 km/h. A chance of showers.   Waves 1 m or less.

      High: 17 °C

      SE 15km/h
      < 1m


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:25 pm CDT Jun 30, 2025
Forecast Valid: 2pm CDT Jun 30, 2025-6pm CDT Jul 6, 2025

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Detailed Forecast

This Afternoon
SW wind around 20 km/h, with gusts as high as 30 km/h. Sunny. Waves 1 m or less.
Tonight
WNW wind around 15 km/h, with gusts as high as 25 km/h. Isolated showers and thunderstorms before 7pm. Waves 1 m or less.
Tuesday
WSW wind 15 to 25 km/h, with gusts as high as 35 km/h. A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Waves 1 m or less.
Tuesday Night
W wind around 15 km/h. A slight chance of thunderstorms before 7pm. Waves 1 m or less.
Wednesday
W wind 15 to 20 km/h. Sunny. Waves 1 m or less.
Wednesday Night
W wind 10 to 15 km/h becoming NNE after midnight. Mostly clear. Waves 1 m or less.
Thursday
NE wind around 10 km/h becoming SE in the afternoon. Sunny. Waves 1 m or less.
Thursday Night
SE wind around 15 km/h. Partly cloudy. Waves 1 m or less.
Independence Day
SE wind around 15 km/h. A chance of showers. Waves 1 m or less.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 48.09°N 88.56°W
Last Update: 1:25 pm CDT Jun 30, 2025
Forecast Valid: 2pm CDT Jun 30, 2025-6pm CDT Jul 6, 2025
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