Areas of Severe Thunderstorms and Excessive Rainfall Sunday

Scattered strong to severe thunderstorms may pose a risk for damaging wind gusts over the Carolinas, southeast Virginia, and the Tennessee Valley Sunday afternoon then the northern Plains from late afternoon into Sunday night. Monsoonal thunderstorms may cause locally considerable flash, urban, and small stream flooding in the Southwest U.S. the next few days. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 70 °F
NE 15kt
3-4ft

Small Craft Advisory
Sunday
High: 74 °F
NE 10kt
1-3ft
Sunday Night
Low: 69 °F
Light Wind
< 1ft
Monday
High: 86 °F
SSW 10kt
< 1ft
Monday Night
Low: 74 °F
SW 15kt
1ft
Tuesday
High: 85 °F
NNW 15kt
1-2ft
Tuesday Night
Low: 68 °F
N 20kt
6ft
Wednesday
High: 74 °F
N 15kt
4-6ft
Wednesday Night
Low: 66 °F
NNE 15kt
2-3ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:11 pm CDT Jul 18, 2026
Forecast Valid: 11pm CDT Jul 18, 2026-6pm CDT Jul 25, 2026

View Nearby Observations

Detailed Forecast

Overnight

NE wind 10 to 15 kt. Widespread smoke. Waves 3 to 4 ft.

Sunday

NE wind around 10 kt. Areas of smoke. Waves 1 to 3 ft.

Sunday Night

Variable winds 5 kt or less. Patchy smoke before 8pm, then Patchy smoke after 11pm. Waves 1 ft or less.

Monday

SSW wind 5 to 10 kt, with gusts as high as 15 kt. Increasing clouds. Waves 1 ft or less.

Monday Night

SW wind 10 to 15 kt. Showers likely and possibly a thunderstorm. Waves around 1 ft.

Tuesday

WSW wind 10 to 15 kt becoming NNW in the afternoon. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Waves 1 to 2 ft.

Tuesday Night

N wind 15 to 20 kt. Mostly clear. Waves 2 ft building to 6 ft.

Wednesday

N wind around 15 kt. Sunny. Waves 4 to 6 ft. occasionally to 8ft.

Wednesday Night

NNE wind 5 to 15 kt becoming NW after midnight. Mostly clear. Waves 2 to 3 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.