SXUS43 KGRB 061126 RECGRB WIZ048-WIZ049-062100- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 626 AM CDT Wed May 6 2026 ...FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING... .TODAY...West winds up to 10 knots. Mostly sunny in the morning then becoming mostly cloudy. Waves 1 foot or less. Highs in the lower 50s. .TONIGHT...West winds 5 to 10 knots. Mostly cloudy in the evening then clearing. Waves 1 foot or less. Lows in the upper 30s. .THURSDAY...West winds 5 to 10 knots. Chance of rain showers through the day. Waves 1 foot or less. Highs in the mid 50s. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Partly cloudy. Waves 1 foot or less. Lows in the lower 40s. $$