Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

For More Weather Information:

Marquette, MI Local Forecast Office

3NM N Copper Harbor MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NW wind around 25 kt, with gusts as high as 35 kt. A chance of flurries before 10pm.   Waves 7 to 9 ft.

      Low: 25 °F

      NW 25kt
      7-9ft

      Gale Warning
      Gale Warning

    • Sunday

      Sunday:NW wind 15 to 20 kt, with gusts as high as 25 kt. Partly sunny. Waves 7 ft subsiding to 4 ft.

      High: 32 °F

      NW 20kt
      7ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:NW wind 5 to 15 kt. Partly cloudy. Waves 2 to 3 ft.

      Low: 31 °F

      NW 15kt
      2-3ft

    • Monday

      Monday:W wind 5 to 10 kt becoming SSE in the afternoon. Increasing clouds. Waves 1 ft or less.

      High: 41 °F

      SSE 10kt
      < 1ft

    • Monday Night

      Monday Night:SSE wind around 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Cloudy during the early evening, then gradual clearing. Waves 1 to 2 ft.

      Low: 36 °F

      SSW 15kt
      1-2ft

    • Tuesday

      Tuesday:WNW wind 5 to 10 kt, with gusts as high as 20 kt. Sunny. Waves 1 to 2 ft.

      High: 41 °F

      WNW 10kt
      1-2ft

    • Tuesday Night

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

      Low: 35 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:SE wind 5 to 10 kt. Sunny. Waves 1 ft or less.

      High: 42 °F

      SE 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SE wind 10 to 15 kt, with gusts as high as 25 kt. Partly cloudy. Waves 1 to 2 ft.

      Low: 38 °F

      SE 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: 7:07 pm CDT Apr 18, 2026
Forecast Valid: 7pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026

View Nearby Observations

Detailed Forecast

Tonight
NW wind around 25 kt, with gusts as high as 35 kt. A chance of flurries before 10pm. Waves 7 to 9 ft.
Sunday
NW wind 15 to 20 kt, with gusts as high as 25 kt. Partly sunny. Waves 7 ft subsiding to 4 ft.
Sunday Night
NW wind 5 to 15 kt. Partly cloudy. Waves 2 to 3 ft.
Monday
W wind 5 to 10 kt becoming SSE in the afternoon. Increasing clouds. Waves 1 ft or less.
Monday Night
SSE wind around 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Cloudy during the early evening, then gradual clearing. Waves 1 to 2 ft.
Tuesday
WNW wind 5 to 10 kt, with gusts as high as 20 kt. Sunny. Waves 1 to 2 ft.
Tuesday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Wednesday
SE wind 5 to 10 kt. Sunny. Waves 1 ft or less.
Wednesday Night
SE wind 10 to 15 kt, with gusts as high as 25 kt. Partly cloudy. 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 47.5°N 87.89°W
Last Update: 7:07 pm CDT Apr 18, 2026
Forecast Valid: 7pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data