Areas of Severe Thunderstorms and Excessive Rainfall Friday

Scattered severe thunderstorms capable of large to very large hail, damaging winds with potentially significant gusts, and perhaps a couple of tornadoes are expected Friday afternoon into night across portions of the central Plains into upper Great Lakes. Thunderstorms with heavy to excessive rainfall may produce flooding over a part of the Midwest Friday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Friday
High: 74 °F
SSW 15kt
1ft

Small Craft Advisory
Friday Night
Low: 67 °F
SW 10kt
< 1ft
Saturday
High: 77 °F
WSW 10kt
< 1ft
Saturday Night
Low: 61 °F
Light Wind
< 1ft
Sunday
High: 68 °F
Light Wind
< 1ft
Sunday Night
Low: 62 °F
Light Wind
1ft
Monday
High: 77 °F
SE 10kt
1ft
Monday Night
Low: 69 °F
SSE 10kt
1ft
Tuesday
High: 86 °F
S 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:26 am CDT Jun 5, 2026
Forecast Valid: 4am CDT Jun 5, 2026-6pm CDT Jun 11, 2026

View Nearby Observations

Detailed Forecast

Friday

SSW wind 10 to 15 kt becoming W in the afternoon. Winds could gust as high as 20 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. Waves around 1 ft.

Friday Night

SW wind around 10 kt, with gusts as high as 20 kt. Scattered showers and thunderstorms. Waves 1 ft or less.

Saturday

WSW wind 5 to 10 kt becoming E in the afternoon. Scattered showers and thunderstorms, mainly between 1pm and 4pm. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Isolated showers and thunderstorms after 7pm. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Scattered showers and thunderstorms, mainly after 1am. Waves around 1 ft.

Monday

SE wind around 10 kt, with gusts as high as 15 kt. Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Waves around 1 ft.

Monday Night

SSE wind around 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Waves around 1 ft.

Tuesday

S wind 5 to 10 kt. A chance of showers, with thunderstorms also possible after 1pm. 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.