SXUS43 KGRB 251130 RECGRB WIZ048-WIZ049-252100- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 630 AM CDT Sat Oct 25 2025 .TODAY...South winds 5 to 10 knots. Chance of rain showers in the morning. Slight chance of rain showers in the afternoon. Waves 1 foot or less. Highs in the lower 50s. .TONIGHT...Southeast winds 5 to 10 knots. Mostly clear. Waves 1 foot or less. Lows in the mid 40s. .SUNDAY...Southeast winds 5 to 15 knots. Sunny. Waves 1 foot or less. Highs in the upper 50s. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Mostly clear. Waves 1 foot or less. Lows in the mid 40s. $$