959  
FZUS73 KIWX 220240  
MWSIWX  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE NORTHERN INDIANA  
1040 PM EDT FRI JUL 21 2017  
 
LMZ043-046-080-220345-  
1040 PM EDT FRI JUL 21 2017  
   
..A STRONG THUNDERSTORM APPROACHING THE WATERS
 
 
THE AREAS AFFECTED INCLUDE...  
LAKE MICHIGAN MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO  
MID-LINE OF LAKE....  
MICHIGAN CITY IN TO NEW BUFFALO MI...  
NEW BUFFALO MI TO ST JOSEPH MI...  
 
AT 1040 PM EDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM...  
CAPABLE OF PRODUCING WINDS TO AROUND 30 KNOTS. THIS THUNDERSTORM WAS  
LOCATED 7 NM SOUTHWEST OF MICHIGAN CITY...MOVING NORTHEAST AT 35  
KNOTS.  
 
THE STRONG THUNDERSTORM WILL BE NEAR...  
THE ST. JOSEPH LIGHT AROUND 1145 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 THIS STORM PASSES.  
 
INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF CAUGHT ON THE OPEN  
WATER STAY BELOW DECK IF POSSIBLE...KEEP AWAY FROM UNGROUNDED METAL  
OBJECTS.  
 

 
 
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT FOR  
NORTHWESTERN INDIANA...AND THE ADJACENT WATERS OF LAKE MICHIGAN.  
 
LAT...LON 4172 8691 4179 8696 4179 8697 4181 8697  
4213 8659 4212 8649  
 

 
 
JBALL  
 
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