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Marquette, MI Local Forecast Office

8NM W Ontonagon MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall.   Waves 1 ft or less.

      High: 75 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:NNW wind 5 to 10 kt becoming NE after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall.   Waves 1 ft or less building to 3 ft.

      Low: 56 °F

      NE 10kt
      Waves Building3ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:NE wind around 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm.   Waves 3 to 4 ft.

      High: 62 °F

      NE 15kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:N wind 5 to 10 kt. 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 to 2 ft.

      Low: 55 °F

      N 10kt
      1-2ft

    • Thursday

      Thursday:N wind 5 to 10 kt becoming WNW in the afternoon. Sunny. Waves 1 ft or less.

      High: 68 °F

      N 10kt
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 58 °F

      Light Wind
      < 1ft

    • Friday

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

      High: 72 °F

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of showers.   Waves 1 ft or less.

      Low: 62 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of showers.   Waves 1 ft or less.

      High: 72 °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: 3:39 pm CDT Jul 15, 2025
Forecast Valid: 3pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025

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Detailed Forecast

This Afternoon
Variable winds 5 kt or less. Showers and thunderstorms likely, mainly after 4pm. Some of the storms could produce heavy rainfall. Waves 1 ft or less.
Tonight
NNW wind 5 to 10 kt becoming NE after midnight. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm, mainly before 5am, then a chance of showers and thunderstorms after 5am. Some of the storms could produce heavy rainfall. Waves 1 ft or less building to 3 ft.
Wednesday
NE wind around 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Waves 3 to 4 ft.
Wednesday Night
N wind 5 to 10 kt. 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 to 2 ft.
Thursday
N wind 5 to 10 kt becoming WNW in the afternoon. Sunny. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.
Saturday
Variable winds 5 kt or less. A chance of showers. Waves 1 ft 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: 46.86°N 89.51°W
Last Update: 3:39 pm CDT Jul 15, 2025
Forecast Valid: 3pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025
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