SXUS43 KGRB 240229 RECGRB WIZ048-WIZ049-240330- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 929 PM CDT Thu Oct 23 2025 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM CDT FRIDAY... .TONIGHT...Northwest winds 5 to 10 knots. Mostly cloudy late in the evening then clearing. Waves 1 foot or less. Lows in the upper 30s. .FRIDAY...Northwest winds 5 to 10 knots. Areas of frost in the morning. Waves 1 foot or less. Highs in the upper 40s. .FRIDAY NIGHT...East winds up to 5 knots veering south around 5 knots after midnight. Partly cloudy. Waves less than 1 foot. Lows in the lower 40s. .SATURDAY...Southeast winds 5 to 10 knots. Mostly sunny. Waves less than 1 foot. Highs in the lower 50s. $$