SXUS43 KGRB 031410 RECGRB WIZ048-WIZ049-032100- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 910 AM CDT Thu Jul 3 2025 .TODAY...Northeast winds 5 to 10 knots. Slight chance of thunderstorms in the afternoon. Waves less than 1 foot. Highs 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 in the morning, then slight chance of thunderstorms in the afternoon. 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. $$