SXUS43 KGRB 080621 RECGRB WIZ048-WIZ049-080900- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 121 AM CDT Wed Jul 8 2026 .REST OF THE NIGHT...Southwest winds around 5 knots. Partly cloudy. Waves less than 1 foot. Lows in the upper 60s. .WEDNESDAY...Southwest winds 5 to 10 knots. Chance of thunderstorms through the day. Waves 1 foot or less. Highs in the mid 80s. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Showers with thunderstorms likely in the evening, then showers likely and chance of thunderstorms after midnight. Waves 1 foot or less. Lows in the upper 60s. .THURSDAY...North winds 5 to 10 knots. Chance of thunderstorms in the morning, then chance of showers in the afternoon. Waves 1 foot or less. Highs in the upper 70s. $$