RECMKX

Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin
National Weather Service Milwaukee/Sullivan WI
1529 CDT Fri Sep 25 2026

...Sinissippi Lake...

.TONIGHT...
Waves...............Nearly calm. 
Sky/Weather.........Mostly sunny until 5 PM, then mostly clear. 
Min Temperature.....Around 47. 
Winds...............East winds up to 5 mph in the afternoon and 
                    evening becoming light. 
Water Temperature...60 degrees. 
UV Index............4 - Moderate. 

.SATURDAY...
Waves...............Nearly calm. 
Sky/Weather.........Mostly sunny. 
Max Temperature.....Around 69. 
Winds...............Southeast winds up to 5 mph. 
Water Temperature...60 degrees. 
UV Index............4 - Moderate. 

.SATURDAY NIGHT...
Waves...............Nearly calm. 
Sky/Weather.........Partly cloudy. 
Min Temperature.....Upper 40s. 
Winds...............Light winds. 


.SUNDAY...
Waves...............Nearly calm. 
Sky/Weather.........Mostly sunny. 
Max Temperature.....Upper 60s. 
Winds...............Light winds. 


.MONDAY...
Waves...............Nearly calm. 
Sky/Weather.........Sunny. 
Max Temperature.....Lower 70s. 
Winds...............Light winds. 


Sunrise: 06:44 AM CDT
Sunset: 06:49 PM CDT

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