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:

Northern Indiana Local Forecast Office

4NM NW Michigan City IN

Marine Point Forecast

[NOTICE]

Tonight
Low: 36 °F
SSW 30kt
6ft

Gale Warning
Wednesday
High: 40 °F
NW 30kt
13ft

Gale Warning
Wednesday Night
Low: 25 °F
NW 25kt
10ft
Thursday
High: 28 °F
WNW 15kt
5ft
Thursday Night
Low: 24 °F
SSE 10kt
< 1ft
Friday
High: 32 °F
W 15kt
3ft
Friday Night
Low: 20 °F
WNW 25kt
6ft
Saturday
High: 22 °F
WNW 20kt
4-6ft
Saturday Night
Low: 15 °F
NW 25kt
4-6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:45 pm CST Dec 9, 2025
Forecast Valid: 9pm CST Dec 9, 2025-6pm CST Dec 16, 2025

View Nearby Observations

Detailed Forecast

Tonight

S wind 25 to 30 kt becoming W after midnight. Winds could gust as high as 35 kt. Rain, mainly before 2am. Waves 2 ft building to 6 ft.

Wednesday

W wind 25 to 30 kt becoming NNW in the morning. Rain and snow, becoming all snow after 2pm. Waves 6 ft building to 13 ft.

Wednesday Night

NW wind 15 to 25 kt. A chance of snow before midnight. Waves 10 ft subsiding to 5 ft.

Thursday

WNW wind 10 to 15 kt becoming WSW in the afternoon. A slight chance of snow after noon. Waves 5 ft subsiding to 1 ft.

Thursday Night

SW wind around 10 kt becoming SSE after midnight. A chance of snow. Waves 1 ft or less.

Friday

SE wind 10 to 15 kt becoming W in the afternoon. Snow likely, mainly after noon. Waves 1 ft or less building to 3 ft.

Friday Night

WNW wind 20 to 25 kt. A chance of snow, mainly before midnight. Waves 3 ft building to 6 ft.

Saturday

WNW wind 15 to 20 kt. Snow likely. Waves 4 to 6 ft.

Saturday Night

NW wind 20 to 25 kt. A chance of snow. Waves 4 to 6 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.