FZUS53 KGRB 061857 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 157 PM CDT Mon Apr 6 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-062200- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 157 PM CDT Mon Apr 6 2026 ...GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 AM CDT TUESDAY... .THIS AFTERNOON...N wind 15 to 25 kts with gale force gusts to around 35 kts. Waves 4 to 7 ft. Scattered snow showers. .TONIGHT...N wind 15 to 25 kts backing NW 10 to 15 kts in the late evening and overnight. Waves 3 to 5 ft subsiding to 1 to 3 ft after midnight. Scattered snow showers in the evening. .TUESDAY...NW wind 5 to 10 kts backing SW in the late morning and afternoon. Waves 2 ft or less. Sunny. .TUESDAY NIGHT...S wind 10 to 20 kts. Waves 1 to 3 ft. A chance of light snow after midnight. $$ LMZ541-062200- Rock Island Passage to Sturgeon Bay WI- 157 PM CDT Mon Apr 6 2026 ...GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 1 AM CDT TUESDAY... .THIS AFTERNOON...NW wind to 30 kts with gale force gusts to around 35 kts. Waves 4 to 7 ft. Scattered snow showers. .TONIGHT...N wind 15 to 25 kts backing NW 10 to 15 kts in the late evening and overnight. Waves 3 to 5 ft subsiding to 1 to 3 ft after midnight. Scattered snow showers in the evening. .TUESDAY...NW wind 5 to 10 kts backing S early in the afternoon. Waves 2 ft or less. Mostly sunny. .TUESDAY NIGHT...S wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to 7 ft after midnight. Mostly clear in the evening then becoming mostly cloudy. A Small Craft Advisory may be needed. $$ LMZ542-543-062200- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 157 PM CDT Mon Apr 6 2026 ...GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH LATE TONIGHT... .THIS AFTERNOON...NW wind to 30 kts. Waves 3 to 5 ft. Numerous rain and snow showers. .TONIGHT...N wind 15 to 25 kts decreasing to 10 to 15 kts after midnight. Waves 3 to 5 ft. Scattered snow showers in the evening. .TUESDAY...NW wind 5 to 10 kts backing S 10 to 15 kts in the late morning and afternoon. Waves 2 ft or less. Sunny. .TUESDAY NIGHT...S wind 15 to 25 kts. Waves 1 to 3 ft building to 5 to 8 ft after midnight. A chance of light snow and light rain after midnight. A Small Craft Advisory may be needed. $$ See Lake Michigan Open Lake Forecast for Wednesday through Friday. Wave height forecast is for ice free areas.