Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

For More Weather Information:

Marquette, MI Local Forecast Office

3NM N Copper Harbor MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSE wind 15 to 20 kt becoming WNW 5 to 10 kt in the afternoon. Winds could gust as high as 25 kt. Snow, possibly mixing with rain after 10am, then gradually ending.   Waves 1 to 3 ft.

      High: 36 °F

      SSE 20kt⇓
      1-3ft

      Gale Warning
      Gale Warning

    • Tonight

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

      Low: 33 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:SSE wind 5 to 15 kt, with gusts as high as 25 kt. A slight chance of showers after noon.   Waves 1 to 2 ft.

      High: 37 °F

      SSE 15kt
      1-2ft

    • Saturday Night

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

      Low: 36 °F

      SSE 15kt
      1-2ft

    • Sunday

      Sunday:S wind 10 to 15 kt becoming N 15 to 20 kt in the afternoon. Winds could gust as high as 25 kt. A chance of rain showers before noon, then snow showers likely, possibly mixed with rain.   Waves 1 ft building to 5 ft.

      High: 36 °FFalling Temperatures

      ⇑N 20kt
      Waves Building5ft

    • Sunday Night

      Sunday Night:N wind 20 to 25 kt increasing to 30 to 35 kt after midnight. Winds could gust as high as 50 kt. Snow.  Widespread freezing spray after midnight.  Waves 5 ft building to 14 ft.

      Low: 19 °F

      ⇑N 35kt
      Waves Building14ft

    • Monday

      Monday:N wind 30 to 40 kt, with gusts as high as 50 kt. Snow likely, mainly before noon.  Widespread freezing spray.  Waves 16 ft subsiding to 12 ft.

      High: 22 °FFalling Temperatures

      N 40kt
      16ftWaves Subsiding

    • Monday Night

      Monday Night:NNW wind 20 to 30 kt, with gusts as high as 45 kt. A chance of snow showers.  Widespread freezing spray.  Waves 11 ft subsiding to 6 ft.

      Low: 16 °F

      NNW 30kt
      11ftWaves Subsiding

    • Tuesday

      Tuesday:WNW wind 15 to 25 kt, with gusts as high as 35 kt. Snow showers likely.  Widespread freezing spray before 1pm, then Widespread freezing spray after 2pm.  Waves 5 to 6 ft.

      High: 23 °FFalling Temperatures

      WNW 25kt
      5-6ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 5:13 am CST Dec 26, 2025
Forecast Valid: 6am CST Dec 26, 2025-6pm CST Jan 1, 2026

View Nearby Observations

Detailed Forecast

Today
SSE wind 15 to 20 kt becoming WNW 5 to 10 kt in the afternoon. Winds could gust as high as 25 kt. Snow, possibly mixing with rain after 10am, then gradually ending. Waves 1 to 3 ft.
Tonight
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Saturday
SSE wind 5 to 15 kt, with gusts as high as 25 kt. A slight chance of showers after noon. Waves 1 to 2 ft.
Saturday Night
SSE wind 10 to 15 kt, with gusts as high as 25 kt. A chance of showers. Waves 1 to 2 ft.
Sunday
S wind 10 to 15 kt becoming N 15 to 20 kt in the afternoon. Winds could gust as high as 25 kt. A chance of rain showers before noon, then snow showers likely, possibly mixed with rain. Waves 1 ft building to 5 ft.
Sunday Night
N wind 20 to 25 kt increasing to 30 to 35 kt after midnight. Winds could gust as high as 50 kt. Snow. Widespread freezing spray after midnight. Waves 5 ft building to 14 ft.
Monday
N wind 30 to 40 kt, with gusts as high as 50 kt. Snow likely, mainly before noon. Widespread freezing spray. Waves 16 ft subsiding to 12 ft.
Monday Night
NNW wind 20 to 30 kt, with gusts as high as 45 kt. A chance of snow showers. Widespread freezing spray. Waves 11 ft subsiding to 6 ft.
Tuesday
WNW wind 15 to 25 kt, with gusts as high as 35 kt. Snow showers likely. Widespread freezing spray before 1pm, then Widespread freezing spray after 2pm. Waves 5 to 6 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: 5:13 am CST Dec 26, 2025
Forecast Valid: 6am CST Dec 26, 2025-6pm CST Jan 1, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data