For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 52 °F
SSW 15kt
2-3ft
Tonight
Low: 37 °F
NNE 20kt
3-5ft
Wednesday
High: 44 °F
NE 20kt
4-6ft
Wednesday Night
Low: 41 °F
ENE 15kt
3-4ft
Thursday
High: 59 °F
S 20kt
3-4ft
Thursday Night
Low: 46 °F
S 20kt
2-4ft
Friday
High: 53 °F
WSW 10kt
< 1ft
Friday Night
Low: 46 °F
SE 15kt
1-3ft
Saturday
High: 57 °F
S 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 7:52 am CDT Mar 31, 2026
Forecast Valid: 8am CDT Mar 31, 2026-6pm CDT Apr 6, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind 10 to 15 kt becoming W in the afternoon. Winds could gust as high as 25 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Waves 2 to 3 ft.

Tonight

NNE wind 15 to 20 kt, with gusts as high as 30 kt. Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then a chance of showers after 10pm. Waves 3 to 5 ft.

Wednesday

NE wind 15 to 20 kt. Showers likely. Waves 4 to 6 ft. occasionally to 8ft.

Wednesday Night

ENE wind around 15 kt. Rain and possibly a thunderstorm. Waves 3 to 4 ft.

Thursday

SE wind 15 to 20 kt becoming S in the afternoon. Winds could gust as high as 25 kt. Rain likely and possibly a thunderstorm before 10am, then rain likely between 10am and 1pm, then rain and possibly a thunderstorm after 1pm. Waves 3 to 4 ft.

Thursday Night

S wind 15 to 20 kt becoming WSW after midnight. Rain and possibly a thunderstorm before 1am, then a chance of rain. Waves 2 to 4 ft.

Friday

WSW wind around 10 kt becoming NE in the afternoon. A chance of rain after 1pm. Waves 1 ft or less.

Friday Night

NE wind 10 to 15 kt becoming SE after midnight. A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Waves 1 to 3 ft.

Saturday

S wind around 15 kt becoming WSW in the afternoon. Rain. Waves 2 to 3 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.