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

For More Weather Information:

Milwaukee, WI Local Forecast Office

3NM S Port Washington WI

Marine Point Forecast

[NOTICE]

Today
High: 64 °F
ESE 15kt
< 1ft
Tonight
Low: 59 °F
NNE 10kt
< 1ft
Sunday
High: 64 °F
NE 20kt
< 1ft
Sunday Night
Low: 52 °F
ENE 20kt
< 1ft
Monday
High: 62 °F
ENE 20kt
< 1ft
Monday Night
Low: 50 °F
ENE 15kt
< 1ft
Tuesday
High: 62 °F
ENE 15kt
< 1ft
Tuesday Night
Low: 51 °F
ENE 15kt
< 1ft
Wednesday
High: 62 °F
NE 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:31 am CDT Sep 19, 2026
Forecast Valid: 11am CDT Sep 19, 2026-6pm CDT Sep 25, 2026

View Nearby Observations

Detailed Forecast

Today

ESE wind 10 to 15 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Waves 1 ft or less.

Tonight

E wind around 10 kt becoming NNE after midnight. Showers and possibly a thunderstorm before 2am, then showers likely. Waves 1 ft or less.

Sunday

NE wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers, mainly before 7am. Waves 1 ft or less.

Sunday Night

ENE wind 10 to 20 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 1 ft or less.

Monday

ENE wind 10 to 20 kt. Mostly cloudy. Waves 1 ft or less.

Monday Night

ENE wind 10 to 15 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday

ENE wind 10 to 15 kt. Partly sunny. Waves 1 ft or less.

Tuesday Night

ENE wind 10 to 15 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

NE wind 10 to 15 kt. Mostly sunny. Waves 1 ft or less.

*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.