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Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 43 °F
Light Wind
< 1ft
Tonight
Low: 39 °F
ENE 10kt
< 1ft
Thursday
High: 47 °F
ENE 10kt
< 1ft
Thursday Night
Low: 40 °F
Light Wind
< 1ft
Friday
High: 58 °F
S 15kt
1-2ft
Friday Night
Low: 49 °F
S 20kt
2-3ft
Saturday
High: 55 °F
SW 20kt
1-3ft
Saturday Night
Low: 41 °F
SW 15kt
1-2ft
Sunday
High: 52 °F
SSW 15kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:54 pm CST Mar 4, 2026
Forecast Valid: 3pm CST Mar 4, 2026-6pm CDT Mar 10, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. A chance of rain, mainly after 4pm. Waves 1 ft or less.

Tonight

ENE wind 5 to 10 kt. A chance of rain, mainly after 1am. Patchy dense fog after 9pm. Waves 1 ft or less.

Thursday

ENE wind 5 to 10 kt becoming N in the afternoon. Rain and possibly a thunderstorm before 3pm, then a slight chance of rain between 3pm and 5pm. Areas of dense fog before 1pm. Waves 1 ft or less.

Thursday Night

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

Friday

SE wind 10 to 15 kt becoming S in the afternoon. Rain likely and possibly a thunderstorm. Waves 1 to 2 ft.

Friday Night

S wind 15 to 20 kt. A chance of rain and thunderstorms before 9pm, then a chance of rain between 9pm and midnight, then rain and possibly a thunderstorm after midnight. Waves 2 to 3 ft.

Saturday

SW wind 10 to 20 kt becoming NW in the afternoon. A chance of rain before noon. Waves 1 to 3 ft.

Saturday Night

NW wind 10 to 15 kt becoming SW after midnight. Partly cloudy. Waves 1 to 2 ft.

Sunday

SSW wind around 15 kt. Sunny. Waves around 2 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.