Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

For More Weather Information:

Northern Indiana Local Forecast Office

9NM WSW Saint Joseph MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 19 °F
NNE 10kt
1-2ft
Tonight
Low: 12 °F
N 15kt
6ft
Saturday
High: 24 °F
N 15kt
6ft
Saturday Night
Low: 10 °F
NE 10kt
2-3ft
Sunday
High: 26 °F
SSW 10kt
1-2ft
Sunday Night
Low: 19 °F
SSW 15kt
1ft
Monday
High: 29 °F
WSW 15kt
1-2ft
Monday Night
Low: 22 °F
WNW 10kt
2ft
Tuesday
High: 29 °F
WNW 10kt
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: 12:32 pm CST Jan 30, 2026
Forecast Valid: 12pm CST Jan 30, 2026-6pm CST Feb 5, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NNE wind around 10 kt. A slight chance of snow showers before 1pm. Waves 1 to 2 ft.

Tonight

NNE wind 5 to 15 kt becoming WNW after midnight. Snow showers, mainly after midnight. Waves 2 ft building to 6 ft.

Saturday

N wind 10 to 15 kt. A chance of snow showers, mainly before noon. Widespread freezing spray before 7am. Waves 6 ft subsiding to 3 ft.

Saturday Night

NE wind 5 to 10 kt becoming SSW after midnight. Partly cloudy. Waves 2 to 3 ft.

Sunday

SSW wind 5 to 10 kt. Mostly sunny. Waves 1 to 2 ft.

Sunday Night

SSW wind 10 to 15 kt. A chance of snow, mainly after midnight. Waves around 1 ft.

Monday

SW wind 10 to 15 kt becoming WNW in the afternoon. A chance of snow before noon. Waves 1 to 2 ft.

Monday Night

WNW wind around 10 kt. Mostly cloudy. Waves around 2 ft.

Tuesday

WNW wind around 10 kt becoming E in the morning. A chance of snow. Waves 1 to 2 ft.

The water temperature at St. Joseph and at Michigan City is 33
degrees.

NOTE: The Nearshore Marine Forecast has been suspended due to ice
on Lake Michigan and in the connecting river channels. The
Nearshore Marine Forecast will return when it is determined that
navigation conditions improve enough to warrant a return of the
product.

*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.