206
WHUS53 KGRB 122137
SMWGRB
LMZ521-541-563-122300-
/O.NEW.KGRB.MA.W.0039.260712T2137Z-260712T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
437 PM CDT SUN JUL 12 2026
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
NEARSHORE WATERS FROM WASHINGTON ISLAND TO STURGEON BAY...
CENTRAL BAY OF GREEN BAY...
OPEN WATERS OF LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON
BAY...
* UNTIL 600 PM CDT.
* AT 437 PM CDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE FROM
26 NM NORTHEAST OF ROCK ISLAND TO 31 NM NORTH OF CHAMBERS ISLAND,
OR ALONG A LINE FROM 26 NM NORTHEAST OF ROCK ISLAND TO 28 NM
NORTHWEST OF ROCK ISLAND, MOVING SOUTH AT 30 KNOTS.
HAZARD...WIND GUSTS TO 40 KNOTS.
SOURCE...SURFACE OBSERVATION AND RADAR.
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND
SUDDENLY HIGHER WAVES.
* THE STRONG THUNDERSTORM WILL BE NEAR...
DETROIT ISLAND AROUND 525 PM CDT. ROWLEYS BAY AROUND 540 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.
LAT...LON 4500 8735 4507 8761 4541 8735 4541 8695
4535 8694 4534 8695 4533 8687 4541 8682
4533 8629 4484 8671 4496 8719 4509 8705
4514 8708 4515 8703 4525 8705 4522 8699
4528 8697 4529 8698 4530 8698 4517 8724
TIME...MOT...LOC 2136Z 341DEG 28KT 4568 8632 4562 8682 4572 8737
MAX HAIL SIZE...<.75 IN
MAX WIND GUST...40 KTS
BERSCH
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