RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 316 CDT Fri Oct 23 2026 ...Whitewater Lake... .TODAY... Waves...............Half foot or less. Sky/Weather.........Sunny. Patchy dense fog until 11 AM. Max Temperature.....Around 71. Winds...............Southeast winds around 5 mph. Water Temperature...64 degrees. UV Index............3 - Moderate. .TONIGHT... Waves...............Half foot to 1 foot. Sky/Weather.........Partly cloudy. Min Temperature.....Around 49. Winds...............Southeast winds around 5 mph. Water Temperature...64 degrees. UV Index............3 - Moderate. .SATURDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Max Temperature.....Around 70. Winds...............South winds around 10 mph. .SUNDAY... Waves...............Half foot or less. Sky/Weather.........Partly sunny. Max Temperature.....Lower 70s. Winds...............Southwest winds around 5 mph. .MONDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly cloudy. Max Temperature.....Lower 60s. Winds...............Northeast winds 5 to 10 mph. Sunrise: 07:17 AM CDT Sunset: 06:01 PM CDT $$