Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

For More Weather Information:

Milwaukee, WI Local Forecast Office

30NM ENE South Milwaukee WI

Marine Point Forecast

[NOTICE]

Tonight
Low: 62 °F
NNE 10kt
1ft
Sunday
High: 65 °F
N 15kt
1-2ft
Sunday Night
Low: 67 °F
N 15kt
2-3ft
Monday
High: 74 °F
N 10kt
1ft
Monday Night
Low: 67 °F
N 10kt
1-2ft
Tuesday
High: 75 °F
Light Wind
< 1ft
Tuesday Night
Low: 70 °F
Light Wind
< 1ft
Wednesday
High: 77 °F
S 10kt
< 1ft
Wednesday Night
Low: 69 °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: 6:16 pm CDT Jul 4, 2026
Forecast Valid: 7pm CDT Jul 4, 2026-6pm CDT Jul 11, 2026

View Nearby Observations

Detailed Forecast

Tonight

N wind around 10 kt becoming NE after midnight. A chance of showers, mainly before 11pm. Areas of dense fog after 8pm. Waves around 1 ft.

Sunday

NE wind 10 to 15 kt becoming N in the afternoon. Areas of dense fog before 10am. Waves 1 to 2 ft.

Sunday Night

N wind 10 to 15 kt becoming E after midnight. Mostly cloudy, then gradually becoming clear. Waves 2 to 3 ft.

Monday

NE wind around 10 kt becoming N in the afternoon. Sunny. Waves around 1 ft.

Monday Night

N wind 5 to 10 kt. Mostly clear. Waves 1 to 2 ft.

Tuesday

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

Tuesday Night

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

Wednesday

SW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Waves 1 ft or less.

Wednesday Night

S wind around 10 kt becoming SW after midnight. A chance of showers and thunderstorms. Waves around 1 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.