Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

5NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 46 °F
SE 10kt
< 1ft
Tonight
Low: 46 °F
SSE 15kt
1-2ft

Small Craft Advisory
Wednesday
High: 61 °F
WSW 20kt
1-2ft

Small Craft Advisory
Wednesday Night
Low: 41 °F
WSW 10kt
< 1ft
Thursday
High: 47 °F
SE 15kt
< 1ft
Thursday Night
Low: 37 °F
WSW 15kt
< 1ft
Friday
High: 43 °F
WSW 20kt
< 1ft
Friday Night
Low: 29 °F
W 15kt
< 1ft
Saturday
High: 38 °F
WNW 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: 4:11 am CST Feb 17, 2026
Forecast Valid: 5am CST Feb 17, 2026-6pm CST Feb 23, 2026

View Nearby Observations

Detailed Forecast

Today

SE wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Tonight

SE wind 10 to 15 kt becoming SSW after midnight. Winds could gust as high as 25 kt. Showers likely, then showers and possibly a thunderstorm after midnight. Waves 1 to 2 ft.

Wednesday

WSW wind 15 to 20 kt, with gusts as high as 30 kt. Partly sunny, then gradually becoming sunny. Waves 1 to 2 ft.

Wednesday Night

WSW wind 5 to 10 kt becoming SE after midnight. Increasing clouds. Waves 1 ft or less.

Thursday

SE wind 5 to 15 kt. A chance of rain, mainly after noon. Waves 1 ft or less.

Thursday Night

E wind around 15 kt becoming WSW after midnight. Winds could gust as high as 20 kt. Rain likely and possibly a thunderstorm. Waves 1 ft or less.

Friday

WSW wind 15 to 20 kt. A chance of rain, mainly before noon. Waves 1 ft or less.

Friday Night

W wind 10 to 15 kt. Partly cloudy. Waves 1 ft or less.

Saturday

WNW wind around 10 kt. Partly sunny. 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.