WHUS73 KGRB 231501 MWWGRB URGENT - MARINE WEATHER MESSAGE National Weather Service Green Bay WI 1001 AM CDT Sun Aug 23 2026 LMZ521-541-231615- /O.EXP.KGRB.SC.Y.0073.000000T0000Z-260823T1500Z/ 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- Rock Island Passage to Sturgeon Bay WI- 1001 AM CDT Sun Aug 23 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM CDT THIS MORNING... Northwest winds could still gust to around 20 kts at times through the afternoon. Waves will remain 1 to 3 feet. $$