RECMKX Recreational Boater Forecast for Inland Lakes for Southeast Wisconsin National Weather Service Milwaukee/Sullivan WI 1040 CDT Sat Jul 5 2025 ...Nagawicka Lake... .TODAY... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly sunny. Max Temperature.....Around 90. Winds...............Southwest winds 10 to 15 mph. Water Temperature...78 degrees. UV Index............10 - Very High. .TONIGHT... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly cloudy until 2 AM, then partly cloudy until 5 AM, then mostly cloudy. Showers and chance of thunderstorms. Min Temperature.....Around 71. Winds...............Southwest winds 5 to 10 mph. Water Temperature...78 degrees. UV Index............10 - Very High. .SUNDAY... Waves...............Half foot to 1 foot. Sky/Weather.........Mostly cloudy. Chance of showers in the morning. Slight chance of thunderstorms through the day. Max Temperature.....Around 80. Winds...............North winds around 10 mph. .MONDAY... Waves...............Nearly calm. Sky/Weather.........Mostly sunny. Max Temperature.....Around 80. Winds...............Northeast winds around 5 mph. .TUESDAY... Waves...............Nearly calm. Sky/Weather.........Mostly sunny then becoming mostly cloudy. Max Temperature.....Mid 80s. Winds...............West winds around 5 mph. Sunrise: 05:21 AM CDT Sunset: 08:36 PM CDT $$