Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Milwaukee, WI Local Forecast Office

Port Washington WI

Marine Point Forecast

[NOTICE]

Tonight
Low: 61 °F
NNE 10kt
1ft
Friday
High: 65 °F
ENE 15kt
2-3ft
Friday Night
Low: 59 °F
ENE 20kt
5ft
Saturday
High: 65 °F
ESE 15kt
5-6ft
Saturday Night
Low: 59 °F
NE 10kt
5ft
Sunday
High: 64 °F
NE 20kt
3-4ft
Sunday Night
Low: 57 °F
ENE 20kt
4-5ft
Monday
High: 60 °F
ENE 20kt
4-5ft
Monday Night
Low: 53 °F
ENE 20kt
4-5ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:33 pm CDT Sep 17, 2026
Forecast Valid: 9pm CDT Sep 17, 2026-6pm CDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Tonight

NNE wind 5 to 10 kt. Partly cloudy. Waves around 1 ft.

Friday

ENE wind 10 to 15 kt. A chance of showers, mainly after 5pm. Waves 2 to 3 ft.

Friday Night

ENE wind 15 to 20 kt becoming ESE after midnight. Showers, with thunderstorms also possible after 1am. Some of the storms could produce heavy rainfall. Waves 2 ft building to 5 ft.

Saturday

ESE wind 10 to 15 kt, with gusts as high as 25 kt. Showers and possibly a thunderstorm. Waves 5 to 6 ft.

Saturday Night

NE wind around 10 kt. Showers likely and possibly a thunderstorm. Waves 5 ft subsiding to 2 ft.

Sunday

NE wind 15 to 20 kt, with gusts as high as 25 kt. A chance of showers, mainly before 1pm. Waves 3 to 4 ft.

Sunday Night

ENE wind 15 to 20 kt, with gusts as high as 25 kt. A slight chance of showers after 1am. Waves 4 to 5 ft.

Monday

ENE wind 15 to 20 kt. A chance of showers. Waves 4 to 5 ft.

Monday Night

ENE wind 15 to 20 kt. A slight chance of showers. Waves 4 to 5 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.