Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

For More Weather Information:

Marquette, MI Local Forecast Office

3NM N Copper Harbor MI

Marine Point Forecast

[NOTICE]
    • Thursday

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

      High: 26 °F

      Light Wind
      < 1ft

    • Thursday Night

      Thursday Night:S wind 5 to 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Partly cloudy. Waves 1 to 2 ft.

      Low: 21 °FRising Temperatures

      WSW 15kt
      1-2ft

    • Friday

      Friday:W wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves 2 to 3 ft.

      High: 32 °F

      W 15kt
      2-3ft

    • Friday Night

      Friday Night:NW wind 5 to 10 kt becoming SSW after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 24 °F

      NW 10kt
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

      High: 33 °F

      Light Wind
      < 1ft

    • Saturday Night

      Saturday Night:S wind 5 to 10 kt becoming WNW after midnight. Mostly cloudy. Waves 1 ft or less.

      Low: 29 °F

      WSW 10kt
      < 1ft

    • Sunday

      Sunday:WNW wind 5 to 10 kt, with gusts as high as 15 kt. Partly sunny. Waves 1 ft or less.

      High: 34 °F

      WNW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

      Low: 28 °F

      Light Wind
      < 1ft

    • Washington's Birthday

      Washington's Birthday:SSW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

      High: 34 °F

      SSW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:33 am CST Feb 12, 2026
Forecast Valid: 1am CST Feb 12, 2026-6pm CST Feb 18, 2026

View Nearby Observations

Detailed Forecast

Thursday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Thursday Night
S wind 5 to 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Partly cloudy. Waves 1 to 2 ft.
Friday
W wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves 2 to 3 ft.
Friday Night
NW wind 5 to 10 kt becoming SSW after midnight. Partly cloudy. Waves 1 ft or less.
Saturday
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Saturday Night
S wind 5 to 10 kt becoming WNW after midnight. Mostly cloudy. Waves 1 ft or less.
Sunday
WNW wind 5 to 10 kt, with gusts as high as 15 kt. Partly sunny. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Washington's Birthday
SSW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

Note: Wave height forecasts are for ice free areas.


*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: 47.5°N 87.89°W
Last Update: 1:33 am CST Feb 12, 2026
Forecast Valid: 1am CST Feb 12, 2026-6pm CST Feb 18, 2026
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