SXUS43 KGRB 041851 RECGRB WIZ048-WIZ049-050900- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 151 PM CDT Mon May 4 2026 .REST OF THE AFTERNOON...West winds 15 to 20 knots with gusts to around 35 knots. Slight chance of thunderstorms. Waves 1 foot or less. Near steady temperature in the upper 60s. .TONIGHT...Northwest winds 10 to 15 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less. Lows in the lower 40s. .TUESDAY...Northwest winds 10 to 15 knots. Mostly sunny. Waves 1 foot or less. Highs in the lower 50s. .TUESDAY NIGHT...Northwest winds 5 to 10 knots. Partly cloudy. Waves 1 foot or less. Lows in the upper 30s. .WEDNESDAY...Northwest winds 5 to 10 knots. Partly sunny. Waves 1 foot or less. Highs around 50. $$