340  
FZUS73 KAPX 241835  
MWSAPX  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE GAYLORD MI  
235 PM EDT THU JUL 24 2025  
 
LHZ347-348-362-241915-  
/O.CON.KAPX.MA.W.0069.000000T0000Z-250724T1915Z/  
235 PM EDT THU JUL 24 2025  
   
..A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
 
 
FOR THE FOLLOWING AREAS...  
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING BOIS  
BLANC ISLAND...  
LAKE HURON FROM PRESQUE ISLE LT. TO STURGEON POINT MI 5NM OFF SHORE  
TO US/CANADIAN BORDER...  
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY NATIONAL  
MARINE SANCTUARY...  
 
AT 235 PM EDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 11 NM EAST OF NORTHERN LAKE HURON BUOY TO 24 NM EAST  
OF MIDDLE ISLAND TO NEAR THUNDER BAY, MOVING EAST AT 25 KNOTS.  
 
HAZARD...WIND GUSTS 34 KNOTS OR GREATER AND SMALL HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND  
SUDDENLY HIGHER WAVES.  
 
LOCATIONS IMPACTED INCLUDE...  
MIDDLE ISLAND, THUNDER BAY, NORTHERN LAKE HURON BUOY, OBSERVATORY  
POINT, ALPENA, AND PRESQUE ISLE LIGHT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 

 
 
LAT...LON 4500 8245 4488 8344 4499 8353 4507 8349  
4512 8338 4522 8347 4528 8348 4533 8365  
4540 8375 4542 8346 4540 8342 4546 8326  
4545 8321 4551 8306 4553 8294 4534 8252  
TIME...MOT...LOC 1835Z 267DEG 27KT 4528 8250 4510 8277 4502 8328  
 
HAIL...<.75IN  
WIND...>34KTS  
 

 
 
CORNISH  
 
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