Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

6NM SSE Evanston IL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 86 °F
NNW 15kt
1ft
Tonight
Low: 62 °F
N 15kt
6ft
Wednesday
High: 74 °F
N 10kt
3-5ft
Wednesday Night
Low: 64 °F
Light Wind
1-2ft
Thursday
High: 80 °F
Light Wind
< 1ft
Thursday Night
Low: 66 °F
Light Wind
< 1ft
Friday
High: 82 °F
⇑ESE 10kt
< 1ft
Friday Night
Low: 68 °F
Light Wind
< 1ft
Saturday
High: 81 °F
SSW 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: 1:21 pm CDT Jul 21, 2026
Forecast Valid: 1pm CDT Jul 21, 2026-6pm CDT Jul 27, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

NNW wind around 15 kt, with gusts as high as 20 kt. Partly sunny. Waves around 1 ft.

Tonight

N wind around 15 kt, with gusts as high as 20 kt. Scattered showers, mainly before midnight. Waves 2 ft building to 6 ft.

Wednesday

N wind around 10 kt. Mostly sunny. Waves 3 to 5 ft.

Wednesday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 to 2 ft.

Thursday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Thursday Night

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

Friday

Variable winds less than 5 kt becoming ESE 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

Saturday

SSW wind 5 to 10 kt. Sunny. 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.