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Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 75 °F
SSW 15kt
1ft
Tonight
Low: 60 °F
SSW 10kt
< 1ft
Wednesday
High: 71 °F
SSW 10kt
< 1ft
Wednesday Night
Low: 56 °F
SSW 10kt
< 1ft
Thursday
High: 66 °F
SW 10kt
< 1ft
Thursday Night
Low: 49 °F
W 10kt
< 1ft
Friday
High: 66 °F
SE 10kt
1ft
Friday Night
Low: 56 °F
SSE 15kt
1-2ft
Saturday
High: 68 °F
WSW 15kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:51 am CDT Apr 14, 2026
Forecast Valid: 9am CDT Apr 14, 2026-6pm CDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

Today

ESE wind 10 to 15 kt becoming SSW in the morning. Winds could gust as high as 25 kt. A slight chance of showers and thunderstorms after 3pm. Patchy fog before 10am. Waves around 1 ft.

Tonight

SSW wind around 10 kt, with gusts as high as 20 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Waves 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

SW wind around 10 kt, with gusts as high as 20 kt. Showers likely, mainly after 1pm. Waves 1 ft or less.

Thursday Night

W wind 5 to 10 kt becoming NNE after midnight. A slight chance of showers before 1am. Waves 1 ft or less.

Friday

SE wind 5 to 10 kt. Partly sunny. Waves around 1 ft.

Friday Night

SSE wind 10 to 15 kt. A chance of showers, then showers and possibly a thunderstorm after 1am. Waves 1 to 2 ft.

Saturday

S wind around 15 kt becoming W in the afternoon. Winds could gust as high as 25 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Waves 1 to 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.