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Marquette, MI Local Forecast Office

25NM WSW Ontonagon MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

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

      High: 47 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:ENE wind 5 to 15 kt becoming SSE after midnight. Winds could gust as high as 20 kt. Showers, mainly after 4am.   Waves 1 ft or less.

      Low: 39 °F

      SSE 15kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:SE wind 5 to 15 kt becoming W in the afternoon. Winds could gust as high as 20 kt. Showers, mainly before 1pm.   Waves 1 ft or less.

      High: 50 °F

      SE 15kt
      < 1ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:WNW wind 10 to 15 kt becoming N after midnight. Showers likely, mainly before 11pm.   Waves 1 to 3 ft.

      Low: 35 °F

      NNW 15kt
      1-3ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Waves 1 to 2 ft.

      High: 47 °F

      Light Wind
      1-2ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

      Low: 37 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming ENE 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 57 °F

      ⇑ENE 10kt
      < 1ft

    • Thursday Night

      Thursday Night:SE wind 10 to 15 kt becoming S 15 to 20 kt after midnight. Winds could gust as high as 30 kt. A chance of showers.   Waves 1 ft or less.

      Low: 46 °F

      ⇑S 20kt
      < 1ft

    • Friday

      Friday:SSW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers.   Waves 1 to 2 ft.

      High: 60 °F

      SSW 15kt
      1-2ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:14 pm CDT May 11, 2026
Forecast Valid: 4pm CDT May 11, 2026-6pm CDT May 17, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Tonight
ENE wind 5 to 15 kt becoming SSE after midnight. Winds could gust as high as 20 kt. Showers, mainly after 4am. Waves 1 ft or less.
Tuesday
SE wind 5 to 15 kt becoming W in the afternoon. Winds could gust as high as 20 kt. Showers, mainly before 1pm. Waves 1 ft or less.
Tuesday Night
WNW wind 10 to 15 kt becoming N after midnight. Showers likely, mainly before 11pm. Waves 1 to 3 ft.
Wednesday
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Waves 1 to 2 ft.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming ENE 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Thursday Night
SE wind 10 to 15 kt becoming S 15 to 20 kt after midnight. Winds could gust as high as 30 kt. A chance of showers. Waves 1 ft or less.
Friday
SSW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers. Waves 1 to 2 ft.

*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: 46.79°N 89.92°W
Last Update: 4:14 pm CDT May 11, 2026
Forecast Valid: 4pm CDT May 11, 2026-6pm CDT May 17, 2026
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