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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 74 °F
SSW 25kt
1-3ft

Gale Warning
Tonight
Low: 60 °F
SW 20kt
1-2ft

Gale Warning
Monday
High: 73 °F
SW 10kt
1ft
Monday Night
Low: 64 °F
S 15kt
1ft
Tuesday
High: 75 °F
SW 15kt
1ft
Tuesday Night
Low: 61 °F
SSW 15kt
1ft
Wednesday
High: 69 °F
SSW 15kt
1ft
Wednesday Night
Low: 55 °F
SSW 10kt
1ft
Thursday
High: 70 °F
SSW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:11 am CDT Apr 12, 2026
Forecast Valid: 7am CDT Apr 12, 2026-6pm CDT Apr 18, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind 15 to 25 kt, with gusts as high as 35 kt. Isolated showers, then a chance of showers and thunderstorms after 3pm. Waves 1 to 3 ft.

Tonight

SW wind 15 to 20 kt, with gusts as high as 30 kt. Periods of showers and thunderstorms, mainly before 1am. Waves 1 to 2 ft.

Monday

SW wind around 10 kt, with gusts as high as 20 kt. A slight chance of showers and thunderstorms after 4pm. Waves around 1 ft.

Monday Night

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

Tuesday

SW wind around 15 kt, with gusts as high as 25 kt. A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Waves around 1 ft.

Tuesday Night

SSW wind 10 to 15 kt. Showers and possibly a thunderstorm. Waves around 1 ft.

Wednesday

SSW wind 10 to 15 kt, with gusts as high as 20 kt. Showers and possibly a thunderstorm. Waves around 1 ft.

Wednesday Night

SSW wind around 10 kt, with gusts as high as 15 kt. Showers and possibly a thunderstorm before 1am, then a chance of showers. Waves around 1 ft.

Thursday

SSW wind around 10 kt becoming W in the afternoon. Winds could gust as high as 15 kt. 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.