Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

5NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Sunday
High: 59 °F
SW 15kt
1ft

Small Craft Advisory
Sunday Night
Low: 47 °F
SW 15kt
1ft
Monday
High: 67 °F
SW 15kt
1ft
Monday Night
Low: 48 °F
SSW 10kt
< 1ft
Tuesday
High: 57 °F
E 10kt
< 1ft
Tuesday Night
Low: 42 °F
WSW 15kt
2-3ft
Wednesday
High: 48 °F
NNW 20kt
7ft
Wednesday Night
Low: 29 °F
NW 20kt
5-7ft
Thursday
High: 43 °F
WNW 15kt
4ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:06 am CDT Mar 8, 2026
Forecast Valid: 4am CDT Mar 8, 2026-6pm CDT Mar 14, 2026

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Detailed Forecast

Sunday

SW wind around 15 kt, with gusts as high as 25 kt. Mostly cloudy, then gradually becoming sunny. Waves around 1 ft.

Sunday Night

SW wind around 15 kt, with gusts as high as 20 kt. Mostly clear. Waves around 1 ft.

Monday

SW wind 10 to 15 kt. Sunny. Waves around 1 ft.

Monday Night

SSW wind around 10 kt. Mostly clear. Waves 1 ft or less.

Tuesday

SW wind around 10 kt becoming NNE in the afternoon. Winds could gust as high as 15 kt. Showers and thunderstorms likely after 1pm. Waves 1 ft or less.

Tuesday Night

ENE wind around 15 kt becoming WSW after midnight. Showers and possibly a thunderstorm. Waves 2 to 3 ft.

Wednesday

NNW wind 15 to 20 kt, with gusts as high as 30 kt. Rain showers before 1pm, then rain and snow showers likely. Some thunder is also possible. Waves 4 ft building to 7 ft.

Wednesday Night

NW wind around 20 kt. A chance of snow before 1am. Waves 5 to 7 ft. occasionally to 9ft.

Thursday

WNW wind 5 to 15 kt becoming WSW in the afternoon. Mostly sunny. Waves 4 ft subsiding to 1 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.