212
WHUS53 KGRB 210851
SMWGRB
LMZ541-563-211015-
/O.NEW.KGRB.MA.W.0019.250621T0851Z-250621T1015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Green Bay WI
351 AM CDT Sat Jun 21 2025

The National Weather Service in Green Bay has issued a

* Special Marine Warning for...

Nearshore waters from Washington Island to Sturgeon Bay...
Open waters of Lake Michigan from Rock Island Passage to Sturgeon
Bay...

* Until 515 AM CDT.

* At 350 AM CDT, a severe thunderstorm was located near Cana Island
  Light, moving east at 25 knots.

  HAZARD...Wind gusts to nearly 50 knots and large hail.

  SOURCE...Radar.

  IMPACT...Small craft could be damaged in briefly higher winds and
           suddenly higher waves. Large hail could result in
           structural damage.

* Locations impacted include...
  Cana Island Light, Rowleys Bay, and Whitefish Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

&&

LAT...LON 4484 8671 4483 8728 4488 8720 4490 8722
      4493 8717 4497 8719 4501 8714 4507 8712
      4506 8708 4509 8710 4508 8706 4509 8705
      4515 8708 4515 8703 4522 8704 4524 8704
      4522 8699 4528 8697 4526 8634
TIME...MOT...LOC 0850Z 259DEG 26KT 4502 8706

HAIL...>.75IN
WIND...49KTS

$$

KLJ