Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

7NM NNW Gary IN

Marine Point Forecast

[NOTICE]

Tonight
Low: 74 °F
SSW 15kt
1ft

Small Craft Advisory
Tuesday
High: 86 °F
NNW 15kt
1-2ft
Tuesday Night
Low: 67 °F
N 20kt
6ft
Wednesday
High: 72 °F
N 20kt
5-6ft
Wednesday Night
Low: 65 °F
NNE 10kt
2-4ft
Thursday
High: 77 °F
Light Wind
1ft
Thursday Night
Low: 67 °F
Light Wind
< 1ft
Friday
High: 77 °F
Light Wind
< 1ft
Friday Night
Low: 69 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:36 pm CDT Jul 20, 2026
Forecast Valid: 8pm CDT Jul 20, 2026-6pm CDT Jul 27, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, mainly between midnight and 4am. Waves around 1 ft.

Tuesday

W wind 10 to 15 kt becoming NNW in the afternoon. Mostly sunny. Waves 1 to 2 ft.

Tuesday Night

N wind 15 to 20 kt. A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Waves 3 ft building to 6 ft.

Wednesday

N wind 15 to 20 kt. Mostly sunny. Waves 5 to 6 ft. occasionally to 8ft.

Wednesday Night

NNE wind 5 to 10 kt. Mostly clear. Waves 2 to 4 ft.

Thursday

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

Thursday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

*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.