139  
FZUS73 KGRB 082337  
MWSGRB  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE GREEN BAY WI  
637 PM CDT THU APR 8 2021  
 
LMZ521-522-541-542-563-565-090100-  
637 PM CDT THU APR 8 2021  
   
..THUNDERSTORMS OVER THE WATERS
 
 
THE AREAS AFFECTED INCLUDE...  
 
CENTRAL AND SOUTHERN 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 635 PM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS, CAPABLE OF  
PRODUCING WINDS TO AROUND 30 KNOTS. THESE THUNDERSTORMS WERE LOCATED  
ALONG A LINE EXTENDING FROM 32 NM EAST OF THE PENTWATER PIER HEADS  
TO 6 NM WEST OF MANISTEE LIGHT TO NEAR TWO CREEKS, MOVING NORTH AT  
30 KNOTS.  
 
THUNDERSTORMS WILL BE NEAR...  
KEWAUNEE PIERHEAD LIGHT AROUND 650 PM.  
ALGOMA AROUND 710 PM.  
SHERWOOD POINT LIGHT AROUND 740 PM.  
PESHTIGO REEF LIGHT AROUND 750 PM EDT.  
 
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 4497 8775 4496 8737 4488 8738 4484 8727  
4488 8720 4496 8719 4494 8663 4487 8670  
4424 8695 4426 8752 4446 8750 4447 8754  
4448 8749 4449 8751 4478 8732 4483 8757  
4484 8756 4485 8758 4468 8773 4494 8782  
 

 
 
RDM  
 
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