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Marquette, MI Local Forecast Office

24NM W Ontonagon MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 42 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Clear. Waves 1 ft or less.

      Low: 40 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

      High: 57 °F

      Light Wind
      < 1ft

    • Wednesday Night

      Wednesday Night:SE wind around 10 kt. A slight chance of showers after 1am.   Waves 1 ft or less.

      Low: 49 °F

      SE 10kt
      < 1ft

    • Thursday

      Thursday:SE wind 10 to 15 kt. A slight chance of showers after 1pm.   Waves 1 ft or less.

      High: 62 °F

      SE 15kt
      < 1ft

    • Thursday Night

      Thursday Night:SE wind 10 to 15 kt. Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers after 1am.   Waves 1 ft or less.

      Low: 46 °F

      SE 15kt
      < 1ft

    • Friday

      Friday:SSE wind around 10 kt becoming W in the afternoon. Showers likely, mainly before 1pm.   Waves 1 ft or less.

      High: 52 °F

      W 10kt
      < 1ft

    • Friday Night

      Friday Night:W wind around 10 kt. Mostly cloudy. Waves around 2 ft.

      Low: 38 °F

      W 10kt
      2ft

    • Saturday

      Saturday:WSW wind 5 to 10 kt becoming N in the afternoon. Mostly sunny. Waves 1 to 2 ft.

      High: 45 °F

      WSW 10kt
      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: 5:18 am CDT Apr 21, 2026
Forecast Valid: 5am CDT Apr 21, 2026-6pm CDT Apr 27, 2026

View Nearby Observations

Detailed Forecast

Today
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Clear. Waves 1 ft or less.
Wednesday
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Wednesday Night
SE wind around 10 kt. A slight chance of showers after 1am. Waves 1 ft or less.
Thursday
SE wind 10 to 15 kt. A slight chance of showers after 1pm. Waves 1 ft or less.
Thursday Night
SE wind 10 to 15 kt. Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Waves 1 ft or less.
Friday
SSE wind around 10 kt becoming W in the afternoon. Showers likely, mainly before 1pm. Waves 1 ft or less.
Friday Night
W wind around 10 kt. Mostly cloudy. Waves around 2 ft.
Saturday
WSW wind 5 to 10 kt becoming N in the afternoon. Mostly sunny. 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: 46.81°N 89.88°W
Last Update: 5:18 am CDT Apr 21, 2026
Forecast Valid: 5am CDT Apr 21, 2026-6pm CDT Apr 27, 2026
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