Areas of Showers and Thunderstorms to Start the Work Week

Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >

Hazardous Weather Conditions

For More Weather Information:

Milwaukee, WI Local Forecast Office

Port Washington WI

Marine Point Forecast

[NOTICE]

Overnight
Low: 55 °F
ENE 20kt
5-6ft
Monday
High: 61 °F
ENE 20kt
3-5ft
Monday Night
Low: 53 °F
ENE 20kt
3-4ft
Tuesday
High: 61 °F
ENE 20kt
3-4ft
Tuesday Night
Low: 52 °F
E 20kt
3-4ft
Wednesday
High: 61 °F
ENE 15kt
3-4ft
Wednesday Night
Low: 53 °F
ENE 15kt
2-3ft
Thursday
High: 62 °F
E 10kt
1-3ft
Thursday Night
Low: 54 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 11:06 pm CDT Sep 20, 2026
Forecast Valid: 12am CDT Sep 21, 2026-6pm CDT Sep 27, 2026

View Nearby Observations

Detailed Forecast

Overnight

ENE wind around 20 kt. Cloudy. Waves 5 to 6 ft.

Monday

ENE wind 15 to 20 kt. Mostly cloudy. Waves 3 to 5 ft.

Monday Night

ENE wind 15 to 20 kt. Mostly cloudy. Waves 3 to 4 ft.

Tuesday

ENE wind 15 to 20 kt. Partly sunny. Waves 3 to 4 ft.

Tuesday Night

E wind 15 to 20 kt. Mostly clear. Waves 3 to 4 ft.

Wednesday

ENE wind around 15 kt. Sunny. Waves 3 to 4 ft.

Wednesday Night

NNE wind 10 to 15 kt becoming E after midnight. Mostly clear. Waves 2 to 3 ft.

Thursday

E wind 5 to 10 kt. Mostly sunny. Waves 1 to 3 ft.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. 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.