Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Chicago, IL Local Forecast Office

9NM NW Gary IN

Marine Point Forecast

[NOTICE]

Today
High: 70 °F
ENE 10kt
2-3ft
Tonight
Low: 60 °F
ESE 10kt
2ft
Saturday
High: 73 °F
ESE 10kt
1-2ft
Saturday Night
Low: 63 °F
NE 10kt
< 1ft
Sunday
High: 68 °F
NE 15kt
6ft
Sunday Night
Low: 56 °F
ENE 20kt
6ft
Monday
High: 63 °F
ENE 20kt
5-7ft
Monday Night
Low: 56 °F
ENE 20kt
6-7ft
Tuesday
High: 62 °F
NE 15kt
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: 2:41 am CDT Sep 18, 2026
Forecast Valid: 5am CDT Sep 18, 2026-6pm CDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Today

ENE wind around 10 kt. Partly sunny. Waves 2 to 3 ft.

Tonight

ENE wind around 10 kt becoming ESE after midnight. Winds could gust as high as 15 kt. Showers and thunderstorms likely, mainly after 5am. Waves around 2 ft.

Saturday

ESE wind 5 to 10 kt becoming S in the afternoon. Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Waves 1 to 2 ft.

Saturday Night

E wind 5 to 10 kt becoming NNE in the evening. Showers and possibly a thunderstorm. Waves 1 ft or less.

Sunday

NE wind 10 to 15 kt, with gusts as high as 25 kt. Showers likely and possibly a thunderstorm. Waves 2 ft building to 6 ft.

Sunday Night

ENE wind 15 to 20 kt. A chance of showers and thunderstorms. Waves around 6 ft.

Monday

ENE wind 15 to 20 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Waves 5 to 7 ft. occasionally to 9ft.

Monday Night

ENE wind 15 to 20 kt. A chance of showers. Waves 6 to 7 ft. occasionally to 9ft.

Tuesday

NE wind around 15 kt, with gusts as high as 20 kt. A chance of 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.