Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

9NM WSW Michigan City IN

Marine Point Forecast

[NOTICE]

Today
High: 29 °F
WSW 10kt
1-3ft
Tonight
Low: 25 °F
Light Wind
< 1ft
Friday
High: 32 °F
Light Wind
< 1ft
Friday Night
Low: 13 °F
WNW 15kt
5ft
Saturday
High: 18 °F
WNW 15kt
3-5ft
Saturday Night
Low: 6 °F
WNW 20kt
7ft
Sunday
High: 16 °F
WNW 20kt
7ft
Sunday Night
Low: 6 °F
SSW 15kt
4ft
Monday
High: 24 °F
SSW 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:06 am CST Dec 11, 2025
Forecast Valid: 10am CST Dec 11, 2025-6pm CST Dec 17, 2025

View Nearby Observations

Detailed Forecast

Today

WSW wind 5 to 10 kt. Mostly cloudy. Waves 1 to 3 ft.

Tonight

Variable winds 5 kt or less. A chance of snow, mainly between 8pm and 3am. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Winds could gust as high as 10 kt. A slight chance of snow showers after 9am. Waves 1 ft or less.

Friday Night

WNW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of snow showers before midnight. Waves 1 ft building to 5 ft.

Saturday

WNW wind around 15 kt. Snow likely, mainly after noon. Waves 3 to 5 ft.

Saturday Night

WNW wind 15 to 20 kt. A chance of snow, mainly before midnight. Waves 4 ft building to 7 ft.

Sunday

WNW wind 10 to 20 kt. A slight chance of snow before noon. Waves 7 ft subsiding to 4 ft.

Sunday Night

W wind 5 to 15 kt becoming SSW after midnight. Mostly cloudy. Waves 4 ft subsiding to 1 ft.

Monday

SSW wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 to 2 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.