RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 1041 CDT Tue May 20 2025 ...Lake Geneva... .TODAY... Waves...............3 to 4 feet. Sky/Weather.........Cloudy. Rain showers and chance of thunderstorms. Max Temperature.....Around 51. Winds...............Breezy. East winds 20 to 25 mph with gusts to around 40 mph. Water Temperature...51 degrees. UV Index............1 - Low. .TONIGHT... Waves...............1.5 to 2 feet. Sky/Weather.........Cloudy. Chance of thunderstorms until 2 AM. Rain showers. Min Temperature.....Around 46. Winds...............East winds 10 to 15 mph with gusts to around 30 mph. Water Temperature...51 degrees. UV Index............1 - Low. .WEDNESDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Cloudy. Showers. Max Temperature.....Lower 50s. Winds...............North winds around 10 mph. .THURSDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Slight chance of showers. Max Temperature.....Upper 50s. Winds...............North winds around 10 mph. .FRIDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly sunny. Max Temperature.....Upper 50s. Winds...............North winds 5 to 10 mph. Sunrise: 05:27 AM CDT Sunset: 08:15 PM CDT $$