Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

5NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 52 °F
NE 15kt
3ft

Small Craft Advisory
Tonight
Low: 48 °F
E 20kt
3-5ft

Small Craft Advisory
Tuesday
High: 50 °F
E 25kt
5-6ft

Small Craft Advisory
Tuesday Night
Low: 51 °F
ENE 20kt
3-5ft

Small Craft Advisory
Wednesday
High: 55 °F
N 15kt
3ft

Small Craft Advisory
Wednesday Night
Low: 47 °F
NNW 15kt
2-3ft

Small Craft Advisory
Thursday
High: 55 °F
N 15kt
2-3ft

Small Craft Advisory
Thursday Night
Low: 47 °F
NW 10kt
1-2ft
Friday
High: 58 °F
NW 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: 4:06 am CDT May 19, 2025
Forecast Valid: 10am CDT May 19, 2025-6pm CDT May 25, 2025

View Nearby Observations

Detailed Forecast

Today

NE wind 10 to 15 kt. Mostly cloudy. Waves around 3 ft.

Tonight

NE wind 15 to 20 kt becoming E after midnight. Winds could gust as high as 30 kt. Showers and possibly a thunderstorm, mainly after 4am. Waves 3 to 5 ft.

Tuesday

E wind 20 to 25 kt, with gusts as high as 30 kt. Rain and possibly a thunderstorm, mainly before 1pm, then showers and possibly a thunderstorm after 1pm. Waves 5 to 6 ft. occasionally to 8ft.

Tuesday Night

ENE wind 15 to 20 kt. Showers and possibly a thunderstorm before 4am, then showers likely. Waves 3 to 5 ft.

Wednesday

NE wind 10 to 15 kt becoming N in the afternoon. Showers likely. Waves around 3 ft.

Wednesday Night

NNW wind 10 to 15 kt. A chance of showers before 1am. Waves 2 to 3 ft.

Thursday

N wind 10 to 15 kt. A slight chance of showers after 1pm. Waves 2 to 3 ft.

Thursday Night

NW wind 5 to 10 kt. Partly cloudy. Waves 1 to 2 ft.

Friday

NW wind around 10 kt becoming NNE in the afternoon. Mostly sunny. Waves around 1 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.