972  
FZUS73 KMQT 041451  
MWSMQT  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE MARQUETTE MI  
1051 AM EDT FRI JUL 4 2025  
 
LSZ263-264-041515-  
1051 AM EDT FRI JUL 4 2025  
 
...A STRONG THUNDERSTORM APPROACHING THE WATERS OF LAKE SUPERIOR  
NORTH AND WEST OF ISLE ROYALE...  
 
THE AREAS AFFECTED INCLUDE...  
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE  
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE  
ROYALE NATIONAL PARK...  
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU  
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER...  
 
AT 1050 AM EDT, DOPPLER RADAR INDICATED A STRONG THUNDERSTORM,  
CAPABLE OF PRODUCING WINDS TO AROUND 30 KNOTS. THIS THUNDERSTORM WAS  
LOCATED NEAR ROCK OF AGES LIGHT, OR 27 NM SOUTHWEST OF MOTT ISLAND  
PARK HEADQUARTERS, MOVING SOUTHEAST AT 35 KNOTS.  
 
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.  
 

 
 
LAT...LON 4821 8832 4775 8955 4787 8964 4789 8953  
4794 8943 4798 8941 4798 8932 4825 8868  
4830 8837  
 

 
 
JP  
 
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