Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Milwaukee, WI Local Forecast Office

19NM NE South Milwaukee WI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 68 °F
S 15kt
1ft
Tonight
Low: 65 °F
SW 10kt
1ft
Friday
High: 75 °F
S 10kt
< 1ft
Friday Night
Low: 67 °F
S 10kt
< 1ft
Independence Day
High: 71 °F
NE 10kt
< 1ft
Saturday Night
Low: 67 °F
S 10kt
1ft
Sunday
High: 74 °F
SSW 10kt
1ft
Sunday Night
Low: 66 °F
N 10kt
1-2ft
Monday
High: 73 °F
N 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: 2:17 pm CDT Jul 2, 2026
Forecast Valid: 2pm CDT Jul 2, 2026-6pm CDT Jul 8, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

S wind 10 to 15 kt. Isolated showers and thunderstorms after 4pm. Waves around 1 ft.

Tonight

SW wind around 10 kt. Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 1am, then scattered showers and thunderstorms after 1am. Waves around 1 ft.

Friday

S wind around 10 kt. A slight chance of showers and thunderstorms before 9am, then a chance of showers between 9am and 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog before 7am. Waves 1 ft or less.

Friday Night

S wind 5 to 10 kt becoming N after midnight. A chance of showers and thunderstorms. Waves 1 ft or less.

Independence Day

NNE wind around 10 kt becoming ENE in the morning. A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Waves 1 ft or less.

Saturday Night

ENE wind around 10 kt becoming S after midnight. Showers likely and possibly a thunderstorm. Waves around 1 ft.

Sunday

SSW wind around 10 kt becoming N in the afternoon. A chance of showers and thunderstorms before 1pm. Waves around 1 ft.

Sunday Night

N wind around 10 kt. Partly cloudy. Waves 1 to 2 ft.

Monday

N wind around 10 kt. Mostly sunny. 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.