323  
WHUS72 KKEY 190230  
MWWKEY  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE KEY WEST FL  
1030 PM EDT MON MAR 18 2019  
 
GMZ032-035-044-054-055-074-075-190900-  
/O.EXA.KKEY.SC.Y.0016.000000T0000Z-190319T0900Z/  
BAYSIDE AND GULF SIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE  
BRIDGE-  
GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON  
SHOAL OUT TO 5 FATHOMS-  
HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL  
OUT TO THE REEF-  
STRAITS OF FLORIDA FROM WEST END OF SEVEN MILE BRIDGE TO SOUTH OF  
HALFMOON SHOAL OUT 20 NM-  
STRAITS OF FLORIDA FROM HALFMOON SHOAL TO 20 NM WEST OF DRY  
TORTUGAS OUT 20 NM-  
STRAITS OF FLORIDA FROM WEST END OF SEVEN MILE BRIDGE TO SOUTH OF  
HALFMOON SHOAL 20 TO 60 NM OUT-  
STRAITS OF FLORIDA FROM HALFMOON SHOAL TO 20 NM WEST OF DRY  
TORTUGAS 20 TO 60 NM OUT-  
1030 PM EDT MON MAR 18 2019  
   
..SMALL CRAFT ADVISORY IN EFFECT
 
 
THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A SMALL CRAFT  
ADVISORY, WHICH IS IN EFFECT UNTIL 5 AM EDT TUESDAY.  
 
* WINDS...NORTHEAST WINDS WILL INCREASE TO 20 TO 25 KNOTS ACROSS  
THE AFFECTED COASTAL WATERS BY TUESDAY MORNING.  
 
* WAVES/SEAS...SEAS WILL BUILD TO 5 TO 7 FEET BY TUESDAY MORNING  
OVER THE PORTION OF THE STRAITS OF FLORIDA WEST OF THE MARQUESAS  
KEYS. NEARSHORE WATERS WILL BECOME VERY ROUGH.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS,  
OR SEAS OF 7 FEET OR GREATER, ARE EXPECTED TO PRODUCE HAZARDOUS  
CONDITIONS FOR SMALL CRAFT. INEXPERIENCED BOATERS, ESPECIALLY  
THOSE WITH SMALLER VESSELS, SHOULD AVOID OPERATING IN THESE  
CONDITIONS.  
 

 
 

 
 
GMZ033-034-190900-  
/O.CON.KKEY.SC.Y.0016.000000T0000Z-190319T0900Z/  
GULF WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE 20 TO 60 NM OUT  
AND BEYOND 5 FATHOMS-  
GULF OF MEXICO INCLUDING DRY TORTUGAS AND REBECCA SHOAL CHANNEL-  
1030 PM EDT MON MAR 18 2019  
   
..SMALL CRAFT ADVISORY IN EFFECT
 
 
* WINDS...NORTHEAST WINDS WILL INCREASE TO 20 TO 25 KNOTS ACROSS  
THE DEEP WATERS OF THE SOUTHEAST GULF LATE TONIGHT.  
 
* WAVES/SEAS...SEAS WILL BUILD TO 7 FEET ACROSS THE DEEPER  
PORTIONS OF THE GULF OF MEXICO, ESPECIALLY NORTHWEST OF THE  
DRY TORTUGAS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS,  
OR SEAS OF 7 FEET OR GREATER, ARE EXPECTED TO PRODUCE HAZARDOUS  
CONDITIONS FOR SMALL CRAFT. INEXPERIENCED BOATERS, ESPECIALLY  
THOSE WITH SMALLER VESSELS, SHOULD AVOID OPERATING IN THESE  
CONDITIONS.  
 

 
 

 
 
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