SXUS43 KGRB 031715 RECGRB WIZ048-WIZ049-032100- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 1215 PM CDT Thu Jul 3 2025 .THIS AFTERNOON...East winds 5 to 10 knots. Slight chance of thunderstorms. Waves less than 1 foot. Near steady temperature in the upper 70s. .TONIGHT...Southeast winds 5 to 10 knots. Slight chance of thunderstorms after midnight. Waves 1 foot or less. Lows in the upper 60s. .FRIDAY...South winds 5 to 10 knots. Chance of thunderstorms. Waves 1 foot or less. Highs in the lower 80s. .FRIDAY NIGHT...South winds around 10 knots. Partly cloudy. Waves 1 foot or less. Lows in the mid 70s. $$