Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Sunday
High: 32 °F
NW 20kt
2-3ft

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

Small Craft Advisory
Monday
High: 31 °F
Light Wind
< 1ft
Monday Night
Low: 22 °F
WNW 10kt
< 1ft
Tuesday
High: 27 °F
WSW 10kt
< 1ft
Tuesday Night
Low: 21 °F
SW 15kt
< 1ft
Wednesday
High: 33 °F
SSW 15kt
1ft
Wednesday Night
Low: 13 °F
NW 20kt
1-2ft
Thursday
High: 18 °F
NW 20kt
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: 3:11 am CST Nov 30, 2025
Forecast Valid: 4am CST Nov 30, 2025-6pm CST Dec 6, 2025

View Nearby Observations

Detailed Forecast

Sunday

NW wind 15 to 20 kt, with gusts as high as 30 kt. Snow, mainly before 10am. Waves 2 to 3 ft.

Sunday Night

NW wind 5 to 15 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 to 3 ft.

Monday

Variable winds 5 kt or less. Snow after noon. Waves 1 ft or less.

Monday Night

S wind 5 to 10 kt becoming WNW after midnight. Snow, mainly before midnight. Waves 1 ft or less.

Tuesday

WNW wind around 10 kt becoming WSW in the afternoon. Partly sunny. Waves 1 ft or less.

Tuesday Night

SW wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

SSW wind around 15 kt becoming W in the afternoon. Winds could gust as high as 20 kt. A chance of snow after noon. Waves around 1 ft.

Wednesday Night

NW wind 15 to 20 kt. A chance of snow. Waves 1 to 2 ft.

Thursday

NW wind 10 to 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.