441 SXUS43 KGRB 280532 RECGRB WIZ048-WIZ049-280900- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 1232 AM CDT Sun Jul 28 2019 .REST OF THE NIGHT...Southwest winds around 5 knots. Mostly clear. Waves 1 foot or less. Lows in the mid 60s. .SUNDAY...Southwest winds up to 10 knots. Chance of thunderstorms in the afternoon. Waves 1 foot or less. Highs around 80. .SUNDAY NIGHT...Southwest winds 5 to 15 knots. Isolated thunderstorms in the evening, then numerous showers and scattered thunderstorms after midnight. Waves 1 foot or less building to 2 to 4 feet after midnight. Lows in the upper 60s. .MONDAY...West winds 10 to 15 knots. Scattered showers in the morning. Waves 1 to 2 feet. Highs in the mid 70s. $$