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

12NM NNE Gary IN

Marine Point Forecast

[NOTICE]

Sunday
High: 35 °F
W 25kt
5-7ft

Gale Warning
Sunday Night
Low: 27 °F
NW 20kt⇓
7ft
Monday
High: 34 °F
S 10kt
1-2ft
Monday Night
Low: 28 °F
WNW 15kt
< 1ft
Tuesday
High: 31 °F
WNW 15kt
1ft
Tuesday Night
Low: 25 °F
SSW 20kt
1-2ft
Wednesday
High: 35 °F
SSW 20kt
2-3ft
Wednesday Night
Low: 19 °F
NW 25kt
5ft
Thursday
High: 24 °F
WNW 25kt⇓
5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:12 am CST Nov 30, 2025
Forecast Valid: 4am CST Nov 30, 2025-6pm CST Dec 6, 2025

View Nearby Observations

Detailed Forecast

Sunday

W wind 20 to 25 kt becoming NW in the afternoon. Winds could gust as high as 30 kt. A chance of snow, mainly before 11am. Waves 5 to 7 ft. occasionally to 9ft.

Sunday Night

NW wind 15 to 20 kt decreasing to 5 to 10 kt after midnight. Mostly cloudy. Waves 7 ft subsiding to 3 ft.

Monday

WNW wind 5 to 10 kt becoming S in the afternoon. Snow, mainly after 3pm. Waves 1 to 2 ft.

Monday Night

S wind 10 to 15 kt becoming WNW after midnight. Snow, mainly before midnight. Waves 1 ft or less.

Tuesday

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

Tuesday Night

SSW wind 10 to 20 kt. Mostly cloudy. Waves 1 to 2 ft.

Wednesday

SSW wind 15 to 20 kt becoming W in the afternoon. A chance of snow after noon. Waves 2 to 3 ft.

Wednesday Night

W wind 20 to 25 kt becoming NW in the evening. A chance of snow. Waves 2 ft building to 5 ft.

Thursday

WNW wind 20 to 25 kt decreasing to 10 to 15 kt in the afternoon. Partly sunny. Waves 5 ft subsiding 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.