Severe Thunderstorms Tonight in the Mid-Atlantic; Tropical Storm Bertha in the Gulf

Scattered thunderstorms with severe gusts, hail and a tornado risk are possible near a cold front from the Ohio Valley to the Mid-Atlantic tonight. Tropical Storm Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the panhandle of Florida into Louisiana through Wednesday. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

4NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Today
High: 69 °F
N 15kt
3-4ft

Small Craft Advisory
Tonight
Low: 64 °F
NE 10kt
1-2ft

Small Craft Advisory
Thursday
High: 74 °F
Light Wind
< 1ft
Thursday Night
Low: 67 °F
Light Wind
< 1ft
Friday
High: 77 °F
Light Wind
< 1ft
Friday Night
Low: 67 °F
Light Wind
< 1ft
Saturday
High: 83 °F
SSW 10kt
< 1ft
Saturday Night
Low: 75 °F
SW 10kt
< 1ft
Sunday
High: 89 °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: 5:51 am CDT Jul 22, 2026
Forecast Valid: 8am CDT Jul 22, 2026-6pm CDT Jul 28, 2026

View Nearby Observations

Detailed Forecast

Today

N wind around 15 kt becoming NE in the afternoon. Mostly sunny. Waves 3 to 4 ft.

Tonight

NE wind 5 to 10 kt becoming W after midnight. 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. Mostly cloudy. Waves 1 ft or less.

Friday

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

Saturday Night

SW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Sunday

S wind 5 to 10 kt. Mostly 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.