Catastrophic Flooding Impacts in South-Central Texas

Widespread life-threatening flash and urban flooding will continue to pose a significant threat to life and property in south-central Texas. Catastrophic fiver flooding, with rapid rises on small streams, arroyos, and typically dry washes, is expected. Monsoonal showers persist across the Great Basin and Southwest with greatest flash flooding in southern Arizona. Read More >

Hazardous Weather Conditions

For More Weather Information:

Chicago, IL Local Forecast Office

17NM ENE Chicago IL

Marine Point Forecast

[NOTICE]

Overnight
Low: 75 °F
Light Wind
< 1ft
Friday
High: 85 °F
SE 10kt
< 1ft
Friday Night
Low: 80 °F
SW 15kt
< 1ft
Saturday
High: 85 °F
WSW 15kt
1ft
Saturday Night
Low: 75 °F
NNE 15kt
5ft
Sunday
High: 82 °F
NE 10kt
4ft
Sunday Night
Low: 76 °F
S 10kt
< 1ft
Monday
High: 87 °F
S 15kt
< 1ft
Monday Night
Low: 76 °F
SW 15kt
2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:31 am CDT Jul 17, 2026
Forecast Valid: 12am CDT Jul 17, 2026-6pm CDT Jul 23, 2026

View Nearby Observations

Detailed Forecast

Overnight

Variable winds 5 kt or less. Widespread smoke. Waves 1 ft or less.

Friday

SE wind 5 to 10 kt. A chance of showers and thunderstorms, mainly between 1pm and 5pm. Widespread smoke, mainly before 11am. Waves 1 ft or less.

Friday Night

S wind 10 to 15 kt becoming WSW after midnight. A slight chance of showers and thunderstorms before 8pm. Waves 1 ft or less.

Saturday

WSW wind 10 to 15 kt becoming N in the afternoon. A chance of showers before 10am, then a slight chance of showers and thunderstorms after 4pm. Waves around 1 ft.

Saturday Night

NNE wind 10 to 15 kt. Mostly clear. Waves 2 ft building to 5 ft.

Sunday

NE wind 5 to 10 kt. Sunny. Waves 4 ft subsiding to 1 ft.

Sunday Night

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

Monday

S wind 10 to 15 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

SW wind around 15 kt becoming WNW after midnight. A chance of showers and thunderstorms. Waves around 2 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.