SXUS43 KGRB 252007 RECGRB WIZ048-WIZ049-260900- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 306 PM CDT Sat Apr 25 2026 .REST OF THE AFTERNOON...Northeast winds 5 to 10 knots. Sunny. Waves less than 1 foot. Highs in the mid 60s. .TONIGHT...East winds 5 to 10 knots. Mostly clear in the evening then becoming mostly cloudy. Waves less than 1 foot. Lows in the lower 40s. .SUNDAY...Southeast winds 5 to 10 knots. Partly sunny. Waves less than 1 foot. Highs around 60. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Mostly cloudy. Waves less than 1 foot. Lows in the upper 40s. .MONDAY...Southeast winds 15 to 25 knots. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Waves less than 1 foot. Highs around 60. $$