For More Weather Information:

Chicago, IL Local Forecast Office

12NM NNE Gary IN

Marine Point Forecast

[NOTICE]

This Afternoon
High: 35 °F
Light Wind
1ft
Tonight
Low: 29 °F
SSE 10kt
< 1ft
Sunday
High: 36 °F
⇑N 20kt
6ft
Sunday Night
Low: 22 °F
N 20kt
6ft
Monday
High: 27 °F
E 10kt
1-3ft
Monday Night
Low: 24 °F
⇑SSW 25kt
4ft
Tuesday
High: 41 °F
SW 25kt
3-4ft
Tuesday Night
Low: 39 °F
SSW 25kt
6ft
Wednesday
High: 41 °F
W 25kt
5-6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:16 pm CST Dec 6, 2025
Forecast Valid: 2pm CST Dec 6, 2025-6pm CST Dec 12, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Cloudy. Waves around 1 ft.

Tonight

S wind 5 to 10 kt becoming E after midnight. Snow, mainly after midnight. The snow could be heavy at times. Waves 1 ft or less.

Sunday

ENE wind 10 to 15 kt becoming N 15 to 20 kt in the afternoon. Snow, mainly before 1pm. Waves 1 ft or less building to 6 ft.

Sunday Night

N wind 10 to 20 kt becoming E after midnight. A chance of snow before midnight. Waves 6 ft subsiding to 3 ft.

Monday

E wind around 10 kt becoming S in the afternoon. Partly sunny. Waves 1 to 3 ft.

Monday Night

SSW wind 15 to 20 kt increasing to 20 to 25 kt after midnight. A slight chance of snow after midnight. Waves 1 ft building to 4 ft.

Tuesday

SW wind 20 to 25 kt. A slight chance of showers after noon. Waves 3 to 4 ft.

Tuesday Night

SSW wind 20 to 25 kt becoming WSW after midnight. Winds could gust as high as 30 kt. Rain. Waves 3 ft building to 6 ft.

Wednesday

W wind 20 to 25 kt becoming NW in the afternoon. A chance of rain and snow showers before noon, then a chance of snow showers. Waves 5 to 6 ft. occasionally to 8ft.

*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.