For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 63 °F
W 10kt
1ft
Wednesday
High: 67 °F
⇑SSE 25kt
5ft
Wednesday Night
Low: 65 °F
W 20kt
2-3ft
Thursday
High: 75 °F
NW 20kt⇓
1-3ft
Thursday Night
Low: 66 °F
WNW 10kt
1ft
Juneteenth
High: 76 °F
WNW 10kt
< 1ft
Friday Night
Low: 68 °F
W 10kt
< 1ft
Saturday
High: 77 °F
W 10kt
< 1ft
Saturday Night
Low: 68 °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: 11:52 pm CDT Jun 16, 2026
Forecast Valid: 12am CDT Jun 17, 2026-6pm CDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

Overnight

W wind around 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves around 1 ft.

Wednesday

SW wind 10 to 15 kt becoming SSE 20 to 25 kt in the morning. Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall. Waves 1 ft or less building to 5 ft.

Wednesday Night

SE wind 15 to 20 kt becoming W after midnight. Showers and thunderstorms likely, mainly before 9pm. Some of the storms could produce heavy rainfall. Waves 2 to 3 ft.

Thursday

NW wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 to 3 ft.

Thursday Night

WNW wind 5 to 10 kt. Mostly clear. Waves around 1 ft.

Juneteenth

WNW wind 5 to 10 kt becoming N in the afternoon. Sunny. Waves 1 ft or less.

Friday Night

NNW wind 5 to 10 kt becoming W after midnight. Mostly clear. Waves 1 ft or less.

Saturday

W wind 5 to 10 kt becoming SSW in the afternoon. Sunny. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of showers. 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.