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Chicago, IL Local Forecast Office

7NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 40 °F
SE 15kt
3-4ft
Sunday
High: 52 °F
S 20kt
3-4ft

Gale Warning
Sunday Night
Low: 26 °F
NW 30kt
10ft

Gale Warning
Monday
High: 28 °F
WNW 30kt
10ft
Monday Night
Low: 16 °F
WNW 25kt
4-6ft
Tuesday
High: 26 °F
WNW 15kt
1-3ft
Tuesday Night
Low: 25 °F
S 20kt
1-3ft
Wednesday
High: 43 °F
S 20kt⇓
1-3ft
Wednesday Night
Low: 36 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:11 pm CDT Mar 14, 2026
Forecast Valid: 12am CDT Mar 15, 2026-6pm CDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

Overnight

SE wind around 15 kt, with gusts as high as 20 kt. A slight chance of showers after 3am. Waves 3 to 4 ft.

Sunday

S wind 15 to 20 kt, with gusts as high as 35 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Waves 3 to 4 ft.

Sunday Night

SSW wind 20 to 30 kt becoming NNW in the evening. Winds could gust as high as 40 kt. Rain, possibly mixed with sleet before 1am, then rain and snow between 1am and 2am, then snow after 2am. Some thunder is also possible. Waves 3 ft building to 10 ft.

Monday

WNW wind 25 to 30 kt, with gusts as high as 40 kt. Snow, mainly before 1pm. Waves 10 ft subsiding to 7 ft.

Monday Night

WNW wind 20 to 25 kt, with gusts as high as 30 kt. A slight chance of snow showers before 1am. Waves 4 to 6 ft. occasionally to 8ft.

Tuesday

WNW wind 10 to 15 kt becoming WSW in the afternoon. Mostly sunny. Waves 1 to 3 ft.

Tuesday Night

SW wind 10 to 20 kt becoming S after midnight. Snow showers likely, mainly after 1am. Waves 1 to 3 ft.

Wednesday

S wind 15 to 20 kt decreasing to 5 to 10 kt in the afternoon. Partly sunny. Waves 1 to 3 ft.

Wednesday Night

Variable winds 5 kt or less. Mostly cloudy. 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.