SXUS43 KGRB 050851 RECGRB WIZ048-WIZ049-052100- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 351 AM CDT Tue May 5 2026 .EARLY THIS MORNING...West winds around 5 knots. Partly cloudy. Waves 1 foot or less. Near steady temperature in the mid 40s. .TODAY...West winds 5 to 15 knots. Mostly sunny. Waves 1 foot or less. Highs in the lower 50s. .TONIGHT...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. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Partly cloudy. Waves 1 foot or less. Lows in the upper 30s. $$