SXUS43 KGRB 020311 RECGRB WIZ048-WIZ049-020415- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 1011 PM CDT Tue Jul 1 2025 .TONIGHT...West winds 5 to 10 knots. Mostly clear. Waves less than 1 foot. Lows in the upper 60s. .WEDNESDAY...West winds 5 to 10 knots. Chance of thunderstorms in the afternoon. Waves 1 foot or less. Highs in the lower 80s. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Slight chance of thunderstorms in the evening. Waves less than 1 foot. Lows in the upper 60s. .THURSDAY...South winds 5 to 10 knots. Sunny. Waves less than 1 foot. Highs around 80. $$