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Marquette, MI Local Forecast Office

25NM WSW Ontonagon MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Areas of smoke.  Waves 1 ft or less.

      High: 67 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Areas of smoke.  Waves 1 ft or less.

      Low: 65 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Areas of smoke.  Waves 1 ft or less.

      High: 75 °F

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Patchy smoke before 8pm.  Waves 1 ft or less.

      Low: 73 °F

      SSW 10kt
      < 1ft

    • Monday

      Monday:SW wind around 15 kt, with gusts as high as 30 kt. Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.   Waves 1 to 2 ft.

      High: 74 °F

      SW 15kt
      1-2ft

    • Monday Night

      Monday Night:W wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am.   Waves around 2 ft.

      Low: 61 °F

      W 15kt
      2ft

    • Tuesday

      Tuesday:NW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves around 2 ft.

      High: 66 °F

      NW 15kt
      2ft

    • Tuesday Night

      Tuesday Night:NW wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves around 1 ft.

      Low: 57 °F

      NW 10kt
      1ft

    • Wednesday

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

      High: 67 °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: 10:08 am CDT Jul 18, 2026
Forecast Valid: 10am CDT Jul 18, 2026-6pm CDT Jul 24, 2026

View Nearby Observations

Detailed Forecast

Today
Variable winds 5 kt or less. Areas of smoke. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Areas of smoke. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Areas of smoke. Waves 1 ft or less.
Sunday Night
SSW wind 5 to 10 kt, with gusts as high as 20 kt. A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Patchy smoke before 8pm. Waves 1 ft or less.
Monday
SW wind around 15 kt, with gusts as high as 30 kt. Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Waves 1 to 2 ft.
Monday Night
W wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Waves around 2 ft.
Tuesday
NW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves around 2 ft.
Tuesday Night
NW wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves around 1 ft.
Wednesday
Variable winds 5 kt or less. Sunny. 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: 46.79°N 89.92°W
Last Update: 10:08 am CDT Jul 18, 2026
Forecast Valid: 10am CDT Jul 18, 2026-6pm CDT Jul 24, 2026
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