SXUS43 KGRB 051301 RECGRB WIZ048-WIZ049-052100- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 801 AM CDT Tue May 5 2026 .TODAY...West winds 10 to 15 knots. Mostly sunny. Waves 1 foot or less. Highs in the upper 50s. .TONIGHT...Northwest winds 5 to 10 knots. Mostly cloudy in the evening then clearing. 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. $$