319  
FZUS73 KGRB 291041  
MWSGRB  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE GREEN BAY WI  
541 AM CDT SUN JUN 29 2025  
 
LMZ521-541-542-563-565-291145-  
541 AM CDT SUN JUN 29 2025  
 
A MARINE WEATHER STATEMENT HAS BEEN ISSUED FOR THE FOLLOWING AREAS...  
 
CENTRAL BAY OF GREEN BAY...  
NEARSHORE WATERS FROM WASHINGTON ISLAND TO TWO RIVERS...  
OPEN WATERS OF LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO TWO  
RIVERS...  
 
AT 540 AM CDT, DOPPLER RADAR INDICATED STRONG THUNDERSTORMS, CAPABLE  
OF PRODUCING WINDS TO AROUND 30 KNOTS AND SMALL HAIL. THESE  
THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM 13 NM NORTH OF  
CHAMBERS ISLAND TO NEAR EAGLE BLUFF LIGHT TO NEAR JACKSONPORT TO NEAR  
STURGEON BAY SHIP CANAL LIGHT TO 10 NM SOUTHEAST OF ALGOMA, MOVING  
EAST AT 25 KNOTS.  
 
STRONG THUNDERSTORMS WILL BE NEAR...  
WHITEFISH POINT, EAGLE BLUFF LIGHT, AND SISTER BAY AROUND 545 AM  
CDT.  
CANA ISLAND LIGHT AROUND 555 AM CDT.  
DETROIT ISLAND AROUND 615 AM CDT.  
 
OTHER LOCATIONS IMPACTED BY STRONG THUNDERSTORMS INCLUDE SISTER BAY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS CAN EXPECT GUSTY WINDS TO AROUND 30 KNOTS, LOCALLY HIGHER  
WAVES, AND LIGHTNING STRIKES. BOATERS SHOULD SEEK SAFE HARBOR  
IMMEDIATELY UNTIL THESE STORMS PASS.  
 

 
 
LAT...LON 4541 8695 4533 8695 4533 8687 4541 8682  
4535 8659 4504 8653 4488 8669 4434 8691  
4446 8731 4480 8731 4509 8705 4528 8697  
4530 8699 4529 8707 4515 8718 4517 8724  
4504 8732 4537 8739 4541 8735  
 

 
 
BERSCH  
 
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