Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

6NM ESE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 40 °F
SE 15kt
3ft
Sunday
High: 55 °F
S 20kt
3ft

Gale Warning
Sunday Night
Low: 26 °F
NW 30kt
8ft

Gale Warning
Monday
High: 29 °F
WNW 25kt
9ft
Monday Night
Low: 15 °F
WNW 20kt
3-5ft
Tuesday
High: 26 °F
WNW 15kt
1-2ft
Tuesday Night
Low: 24 °F
S 15kt
1-2ft
Wednesday
High: 44 °F
S 15kt
1-2ft
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 4am. Waves around 3 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 3pm. Waves around 3 ft.

Sunday Night

SSW wind 20 to 30 kt becoming NNW after midnight. 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 2 ft building to 8 ft.

Monday

WNW wind around 25 kt, with gusts as high as 40 kt. Snow, mainly before 1pm. Waves 9 ft subsiding to 6 ft.

Monday Night

WNW wind 15 to 20 kt, with gusts as high as 30 kt. A slight chance of snow showers before 1am. Waves 3 to 5 ft.

Tuesday

WNW wind 10 to 15 kt becoming WSW in the afternoon. Mostly sunny. Waves 1 to 2 ft.

Tuesday Night

SW wind 5 to 15 kt becoming S after midnight. Snow showers likely, mainly after 1am. Waves 1 to 2 ft.

Wednesday

S wind 5 to 15 kt, with gusts as high as 20 kt. Partly sunny. Waves 1 to 2 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.