For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Saturday
High: 57 °F
SW 15kt
1ft

Small Craft Advisory
Saturday Night
Low: 38 °F
WNW 10kt
< 1ft
Sunday
High: 60 °F
SW 15kt
1ft
Sunday Night
Low: 48 °F
SSW 15kt
1ft
Monday
High: 63 °F
SW 15kt
< 1ft
Monday Night
Low: 44 °F
N 10kt
1-2ft
Tuesday
High: 52 °F
ENE 15kt
2-3ft
Tuesday Night
Low: 39 °F
N 20kt
6ft
Wednesday
High: 45 °F
NNW 20kt
7ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:01 am CST Mar 7, 2026
Forecast Valid: 2am CST Mar 7, 2026-6pm CDT Mar 13, 2026

View Nearby Observations

Detailed Forecast

Saturday

SW wind 10 to 15 kt becoming WNW in the afternoon. Winds could gust as high as 25 kt. Showers and possibly a thunderstorm before 1pm, then a slight chance of showers between 1pm and 2pm. Waves around 1 ft.

Saturday Night

WNW wind around 10 kt becoming SW after midnight. Winds could gust as high as 20 kt. Cloudy during the early evening, then gradual clearing. Waves 1 ft or less.

Sunday

SW wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Waves around 1 ft.

Sunday Night

SSW wind around 15 kt. Mostly clear. Waves around 1 ft.

Monday

SW wind 10 to 15 kt. Sunny. Waves 1 ft or less.

Monday Night

SW wind 5 to 10 kt becoming NNE after midnight. Mostly clear. Waves 1 to 2 ft.

Tuesday

NNE wind 10 to 15 kt becoming E in the afternoon. Showers likely after noon. Waves 2 to 3 ft.

Tuesday Night

S wind 15 to 20 kt becoming N in the evening. Showers. Waves 3 ft building to 6 ft.

Wednesday

NNW wind 15 to 20 kt. Rain showers likely before noon, then a chance of rain and snow showers. Waves around 7 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.