Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

8NM SSE Copper Harbor MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 27 °F
⇑NNE 20kt
3ft
Wednesday
High: 24 °F
NNE 25kt
1-3ft

Gale Warning
Wednesday Night
Low: 22 °F
NNW 20kt
1ft
Thursday
High: 28 °F
NW 10kt
< 1ft
Thursday Night
Low: 23 °F
Light Wind
< 1ft
Friday
High: 27 °F
WSW 15kt
1-2ft
Friday Night
Low: 10 °F
WNW 25kt
2ft
Saturday
High: 16 °F
WNW 20kt
1-2ft
Saturday Night
Low: 8 °F
NW 20kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:12 pm CST Dec 9, 2025
Forecast Valid: 6pm CST Dec 9, 2025-6pm CST Dec 16, 2025

View Nearby Observations

Detailed Forecast

Tonight

N wind 5 to 10 kt becoming NNE 15 to 20 kt in the evening. Winds could gust as high as 30 kt. A chance of snow showers, mainly between midnight and 3am. Waves 1 ft or less building to 3 ft.

Wednesday

NNE wind 20 to 25 kt becoming NW in the afternoon. Winds could gust as high as 30 kt. A slight chance of snow showers, mainly between 3pm and 4pm. Waves 1 to 3 ft.

Wednesday Night

NNW wind 10 to 20 kt, with gusts as high as 30 kt. A slight chance of snow showers before midnight. Waves around 1 ft.

Thursday

NW wind around 10 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Cloudy. Waves 1 ft or less.

Friday

WSW wind 5 to 15 kt, with gusts as high as 30 kt. Snow showers likely, mainly after noon. Waves 1 to 2 ft.

Friday Night

WNW wind 20 to 25 kt, with gusts as high as 40 kt. Snow showers likely. Waves around 2 ft.

Saturday

WNW wind around 20 kt, with gusts as high as 35 kt. Snow showers likely. Waves 1 to 2 ft.

Saturday Night

NW wind 15 to 20 kt, with gusts as high as 35 kt. Snow showers likely. Waves around 1 ft.

Note: Wave height forecasts are for ice free areas.

*Notices:

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.
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.