SXUS43 KGRB 161856 RECGRB WIZ048-WIZ049-170900- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 156 PM CDT Fri Oct 16 2026 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .REST OF THE AFTERNOON...North winds 20 to 25 knots. Slight chance of rain showers. Waves 4 to 7 feet. Near steady temperature in the upper 40s. .TONIGHT...North winds 10 to 25 knots becoming northwest 5 to 10 knots after midnight. Areas of frost after midnight. Waves 3 to 5 feet. Lows in the lower 30s. .SATURDAY...Southwest winds 5 to 15 knots. Areas of frost in the morning. Waves 1 to 3 feet. Highs in the mid 50s. .SATURDAY NIGHT...Southwest winds 15 to 25 knots. Clear. Waves 3 to 6 feet. Lows in the lower 40s. .SUNDAY...Southwest winds 15 to 25 knots. Sunny. Waves 3 to 6 feet. Highs in the lower 60s. $$