


Special Marine Warning
Issued by NWS Green Bay, WI
Issued by NWS Green Bay, WI
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607 WHUS53 KGRB 161643 SMWGRB LMZ542-543-565-567-161845- /O.NEW.KGRB.MA.W.0039.250816T1643Z-250816T1845Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Green Bay WI 1143 AM CDT Sat Aug 16 2025 The National Weather Service in Green Bay has issued a * Special Marine Warning for... Nearshore waters from Sturgeon Bay to Sheboygan... Open waters of Lake Michigan from Sturgeon Bay to Sheboygan... * Until 145 PM CDT. * At 1143 AM CDT, strong thunderstorms were located along a line from 16 NM southwest of Green Bay to 15 NM southwest of Oshkosh, moving southeast at 30 knots. HAZARD...Wind gusts to nearly 50 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will be near... Manitowoc around 1240 PM CDT. Two Rivers around 1250 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters should seek safe harbor immediately until these storms pass. Wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain are possible with these storms. && LAT...LON 4389 8773 4402 8768 4405 8766 4409 8765 4410 8767 4410 8770 4414 8756 4417 8762 4416 8758 4417 8757 4415 8756 4420 8751 4423 8751 4432 8755 4443 8750 4437 8690 4413 8701 4383 8709 4390 8760 TIME...MOT...LOC 1642Z 303DEG 30KT 4436 8832 4408 8833 4382 8876 MAX HAIL SIZE...0.00 IN MAX WIND GUST...50 KTS $$ Kurimski