Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

For More Weather Information:

Milwaukee, WI Local Forecast Office

6NM NE Port Washington WI

Marine Point Forecast

[NOTICE]

Today
High: 67 °F
ENE 15kt
2-3ft
Tonight
Low: 59 °F
ESE 20kt
3-5ft
Saturday
High: 66 °F
ESE 25kt
6-7ft
Saturday Night
Low: 57 °F
ENE 20kt
3-5ft
Sunday
High: 65 °F
NE 25kt
4-6ft
Sunday Night
Low: 54 °F
ENE 25kt
6-7ft
Monday
High: 62 °F
ENE 25kt
6-7ft
Monday Night
Low: 52 °F
ENE 25kt
5-6ft
Tuesday
High: 62 °F
ENE 25kt
5-6ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:36 am CDT Sep 18, 2026
Forecast Valid: 9am CDT Sep 18, 2026-6pm CDT Sep 24, 2026

View Nearby Observations

Detailed Forecast

Today

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

Tonight

NE wind 15 to 20 kt becoming ESE after midnight. Showers, with thunderstorms also possible after 1am. Waves 3 to 5 ft.

Saturday

ESE wind 20 to 25 kt. Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Waves 6 to 7 ft.

Saturday Night

ENE wind 15 to 20 kt. Showers likely, mainly after 1am. Waves 3 to 5 ft.

Sunday

NE wind 20 to 25 kt. A chance of showers, mainly before 1pm. Waves 4 to 6 ft.

Sunday Night

ENE wind 20 to 25 kt. A slight chance of showers after 1am. Waves 6 to 7 ft.

Monday

ENE wind around 25 kt. A chance of showers. Waves 6 to 7 ft.

Monday Night

ENE wind 20 to 25 kt. A slight chance of showers. Waves 5 to 6 ft.

Tuesday

ENE wind 20 to 25 kt. A slight chance of showers. Waves 5 to 6 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.