786
WHUS53 KGRB 210217
SMWGRB
LMZ521-210300-
/O.NEW.KGRB.MA.W.0043.260721T0217Z-260721T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE GREEN BAY WI
917 PM CDT MON JUL 20 2026
THE NATIONAL WEATHER SERVICE IN GREEN BAY HAS ISSUED A
* SPECIAL MARINE WARNING FOR...
CENTRAL BAY OF GREEN BAY...
* UNTIL 1000 PM CDT.
* AT 917 PM CDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING
WATERSPOUTS WAS LOCATED OVER CHAMBERS ISLAND, MOVING EAST AT 40
KNOTS.
HAZARD...WATERSPOUTS AND WIND GUSTS TO 40 KNOTS.
SOURCE...RADAR INDICATED.
IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY
HAZARDOUS SEAS. SMALL CRAFT COULD BE DAMAGED IN BRIEFLY
HIGHER WINDS AND SUDDENLY HIGHER WAVES.
* THE STRONG THUNDERSTORM WILL BE NEAR...
CHAMBERS ISLAND AROUND 920 PM CDT. EAGLE BLUFF LIGHT AROUND 925 PM
CDT. SISTER BAY AROUND 930 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.
LAT...LON 4540 8736 4534 8695 4529 8698 4530 8707
4525 8708 4526 8711 4519 8712 4518 8717
4515 8717 4517 8724 4513 8724 4505 8728
4505 8730 4503 8733 4507 8761 4508 8759
4507 8758 4512 8761 4515 8760 4529 8744
TIME...MOT...LOC 0216Z 290DEG 42KT 4523 8737
WATERSPOUT...POSSIBLE
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 KTS
UHLMANN
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page