RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 1040 CDT Wed Oct 15 2025 ...Rock Lake... .TODAY... Waves...............Half foot to 1 foot. Sky/Weather.........Cloudy. Scattered rain showers until 2 PM. Max Temperature.....Around 61. Winds...............East winds around 5 mph. Water Temperature...53 degrees. UV Index............1 - Low. .TONIGHT... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly cloudy until 11 PM, then partly cloudy. Min Temperature.....Around 48. Winds...............East winds up to 5 mph. Water Temperature...53 degrees. UV Index............1 - Low. .THURSDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Max Temperature.....Upper 60s. Winds...............Southeast winds 5 to 10 mph. .FRIDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly cloudy. Max Temperature.....Lower 70s. Winds...............South winds around 15 mph. .SATURDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Partly sunny. Slight chance of thunderstorms in the morning. Showers likely through the day. Max Temperature.....Upper 60s. Winds...............West winds around 10 mph. Sunrise: 07:09 AM CDT Sunset: 06:14 PM CDT $$