WHUS53 KGRB 271639

SMWGRB

LMZ542-543-565-567-271815-

/O.NEW.KGRB.MA.W.0051.260727T1639Z-260727T1815Z/



BULLETIN - IMMEDIATE BROADCAST REQUESTED

Special Marine Warning

National Weather Service Green Bay WI

1139 AM CDT Mon Jul 27 2026



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 115 PM CDT.



* At 1139 AM CDT, severe thunderstorms were located along a line from

  near Algoma to 15 NM northeast of Oshkosh, or along a line from 8

  NM southwest of Sturgeon Bay Ship Canal Light to 15 NM northeast of

  Oshkosh, moving southeast at 35 knots.



  HAZARD...Large hail and wind gusts to nearly 50 knots.



  SOURCE...Radar indicated.



  IMPACT...Small craft could be damaged in briefly higher winds and

           suddenly higher waves. Large hail could result in

           structural damage.



* The strong thunderstorm will be near...

  Algoma around 1145 AM CDT. Kewaunee Pierhead Light around 1155 AM

  CDT. Manitowoc, Two Rivers and Rawley Point Light around 1215 PM

  CDT.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Move to safe harbor until hazardous weather passes.



&&



LAT...LON 4410 8769 4415 8758 4416 8758 4417 8762

      4416 8754 4419 8752 4432 8755 4448 8752

      4448 8753 4477 8732 4472 8676 4413 8701

      4383 8709 4389 8773 4410 8767

TIME...MOT...LOC 1639Z 329DEG 34KT 4467 8739 4456 8768 4425 8841



MAX HAIL SIZE...>.75 IN

MAX WIND GUST...50 KTS



$$



KS