SXUS43 KGRB 070651 RECGRB WIZ048-WIZ049-070900- Recreational Forecast for Lake Winnebago National Weather Service Green Bay WI 151 AM CDT Thu May 7 2026 ...FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING... .REST OF THE NIGHT...West winds 5 to 10 knots. Partly cloudy. Waves 1 foot or less. Lows in the upper 30s. .THURSDAY...West winds 5 to 10 knots. Slight chance of rain showers in the afternoon. Waves 1 foot or less. Highs in the lower 50s. .THURSDAY NIGHT...West winds up to 10 knots backing southwest after midnight. Mostly clear. Waves 1 foot or less. Lows around 40. .FRIDAY...Southwest winds 5 to 10 knots. Mostly sunny. Waves 1 foot or less. Highs in the upper 50s. $$