Hazardous Weather Conditions

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Chicago, IL Local Forecast Office

5NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 3 °C
NNW 35km/h
2m

Small Craft Advisory
Tonight
Low: 1 °C
NW 35km/h⇓
1m

Small Craft Advisory
Thursday
High: 7 °C
W 15km/h
< 1m
Thursday Night
Low: 4 °C
⇑S 50km/h
< 1m
Friday
High: 9 °C
SW 55km/h
1m
Friday Night
Low: 0 °C
WNW 25km/h⇓
< 1m
Saturday
High: 4 °C
E 15km/h
< 1m
Saturday Night
Low: 2 °C
⇑E 40km/h
1-2m
Sunday
High: 10 °C
ESE 45km/h
1-2m

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:17 pm CDT Mar 11, 2026
Forecast Valid: 4pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NNW wind around 35 km/h, with gusts as high as 50 km/h. Rain and snow. Waves around 2 m.

Tonight

NW wind 30 to 35 km/h decreasing to 20 to 25 km/h after midnight. Winds could gust as high as 45 km/h. A slight chance of snow before 8pm. Waves around 1 m.

Thursday

W wind around 15 km/h becoming SW in the afternoon. Winds could gust as high as 25 km/h. Sunny. Waves 1 m or less.

Thursday Night

S wind 20 to 30 km/h increasing to 40 to 50 km/h. Winds could gust as high as 75 km/h. Showers likely, mainly after 1am. Waves 1 m or less.

Friday

SW wind 45 to 55 km/h becoming W in the afternoon. Winds could gust as high as 85 km/h. Partly sunny. Waves around 1 m.

Friday Night

WNW wind 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Winds could gust as high as 45 km/h. Mostly cloudy. Waves 1 m or less.

Saturday

NNW wind 10 to 15 km/h becoming ESE in the afternoon. A slight chance of snow after 1pm. Waves 1 m or less.

Saturday Night

E wind 20 to 30 km/h increasing to 30 to 40 km/h after midnight. Rain and snow showers likely, mainly after 1am. Waves 1 to 2 m.

Sunday

ESE wind 35 to 45 km/h becoming NNE in the afternoon. Rain and snow showers, becoming all rain after 1pm. Waves 1 to 2 m.

*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.