972 
WHUS53 KGRB 290905
SMWGRB
LMZ541-563-291000-
/O.NEW.KGRB.MA.W.0025.260629T0905Z-260629T1000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Green Bay WI
405 AM CDT Mon Jun 29 2026

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 500 AM CDT.

* At 405 AM CDT, a severe thunderstorm was located near Cana Island
  Light, moving east at 25 knots.

  HAZARD...Large hail.

  SOURCE...Radar indicated.

  IMPACT...Large hail could result in structural damage.

* The strong thunderstorm will be near...
  Rowleys Bay and Cana Island Light around 410 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to safe harbor until hazardous weather passes.

Frequent lightning is occurring with this storm. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.

&&

LAT...LON 4507 8710 4510 8708 4508 8707 4509 8705
      4516 8708 4513 8705 4515 8703 4516 8705
      4522 8704 4522 8703 4525 8705 4521 8700
      4523 8698 4526 8698 4529 8657 4502 8656
      4508 8709
TIME...MOT...LOC 0904Z 271DEG 23KT 4516 8704

MAX HAIL SIZE...>.75 IN
MAX WIND GUST...<34 KTS

$$

JLA