SXUS43 KGRB 160146 RECGRB WIZ048-WIZ049-160300- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 846 PM CDT Thu Oct 15 2026 ...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... .TONIGHT...Northeast winds 5 to 20 knots becoming northwest 20 to 30 knots after midnight. Rain early in the evening, then rain likely after midnight. Waves 1 to 3 feet building to 3 to 6 feet after midnight. Lows in the upper 40s. .FRIDAY...North winds 20 to 25 knots. Rain likely in the morning, then chance of rain in the afternoon. Waves 4 to 7 feet. Near steady temperature in the upper 40s. .FRIDAY NIGHT...North winds 10 to 25 knots backing northwest 5 to 15 knots after midnight. Mostly clear. Waves 3 to 6 feet. Lows in the mid 30s. .SATURDAY...Southwest winds 5 to 15 knots. Areas of frost in the morning. Waves 1 to 2 feet. Highs in the mid 50s. $$