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, areas of urban and river flooding, landslides, heavy mountain snow, and 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

25NM WSW Ontonagon MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 25 °F
⇑NNE 20kt
7ft

Small Craft Advisory
Wednesday
High: 26 °F
NNE 25kt
9ft

Small Craft Advisory
Wednesday Night
Low: 22 °F
NW 15kt
1-3ft

Small Craft Advisory
Thursday
High: 27 °F
WNW 10kt
< 1ft
Thursday Night
Low: 20 °F
SW 10kt
< 1ft
Friday
High: 25 °F
⇑W 20kt
5ft
Friday Night
Low: 9 °F
WNW 25kt
5-6ft
Saturday
High: 14 °F
WNW 20kt
4-5ft
Saturday Night
Low: 8 °F
NW 15kt
3-4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:36 pm CST Dec 9, 2025
Forecast Valid: 8pm CST Dec 9, 2025-6pm CST Dec 16, 2025

View Nearby Observations

Detailed Forecast

Tonight

E wind 10 to 15 kt becoming NNE 15 to 20 kt after midnight. Winds could gust as high as 30 kt. Snow showers likely, mainly before 4am. Waves 1 ft or less building to 7 ft.

Wednesday

NNE wind 15 to 25 kt becoming NW in the afternoon. Winds could gust as high as 30 kt. A chance of snow showers, mainly before 8am. Waves 9 ft subsiding to 4 ft.

Wednesday Night

NW wind 10 to 15 kt. Mostly cloudy. Waves 1 to 3 ft.

Thursday

WNW wind 5 to 10 kt becoming WSW in the afternoon. Mostly cloudy. Waves 1 ft or less.

Thursday Night

SW wind 5 to 10 kt. A slight chance of snow showers after midnight. Waves 1 ft or less.

Friday

WSW wind 10 to 15 kt becoming W 15 to 20 kt in the afternoon. Winds could gust as high as 25 kt. Snow showers likely. Widespread freezing spray after 5pm. Waves 1 ft or less building to 5 ft.

Friday Night

WNW wind 20 to 25 kt. A chance of snow showers before midnight. Widespread freezing spray. Waves 5 to 6 ft.

Saturday

WNW wind around 20 kt. A chance of snow showers. Waves 4 to 5 ft.

Saturday Night

NW wind around 15 kt, with gusts as high as 20 kt. A chance of snow showers. Waves 3 to 4 ft.

*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.