RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 1529 CDT Wed Oct 7 2026 ...Lake Beulah... .TONIGHT... Waves...............Half foot to 1 foot. Sky/Weather.........Sunny until 8 PM, then mostly clear. Min Temperature.....Around 47. Winds...............Northwest winds 5 to 10 mph. Water Temperature...64 degrees. UV Index............4 - Moderate. .THURSDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Sunny. Max Temperature.....Around 68. Winds...............Northwest winds 5 to 10 mph. Water Temperature...64 degrees. UV Index............4 - Moderate. .THURSDAY NIGHT... Waves...............Nearly calm. Sky/Weather.........Partly cloudy. Min Temperature.....Upper 40s. Winds...............Light winds. .FRIDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly sunny. Max Temperature.....Around 70. Winds...............Southeast winds 5 to 10 mph. .SATURDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Sunny. Max Temperature.....Upper 70s. Winds...............South winds around 10 mph. Sunrise: 06:57 AM CDT Sunset: 06:26 PM CDT $$