087  
FZUS52 KKEY 191530  
CWFKEY  
 
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL  
1030 AM EST WED NOV 19 2025  
 
FLORIDA BAY, HAWK CHANNEL AND STRAITS OF FLORIDA FROM OCEAN REEF  
TO SOUTH OF DRY TORTUGAS, AND THE EXTREME SOUTHEASTERN GULF OF  
AMERICA, INCLUDING THE FLORIDA KEYS NATIONAL MARINE SANCTUARY  
 
SEAS ARE GIVEN AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE AVERAGE  
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
WAVE DETAIL WILL INCLUDE DETAILS ABOUT THE PERIOD AND DIRECTION  
OF ORIGIN FOR THE HIGHEST ENERGY WAVES. LONG-PERIOD SWELLS COMING  
FROM A DIFFERENT DIRECTION THAN THE WIND WOULD BE INCLUDED IN THE  
WAVE DETAIL.  
 
GMZ005-200330-  
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS  
1030 AM EST WED NOV 19 2025  
   
SYNOPSIS
 
A HIGH PRESSURE SYSTEM STRETCHING FROM THE WESTERN  
ATLANTIC TO THE FLORIDA PANHANDLE WILL SUSTAIN NORTHEAST TO EAST  
BREEZES ACROSS THE FLORIDA KEYS COASTAL WATERS. EXPECT THE HIGH TO  
GRADUALLY WEAKEN DURING THE SECOND HALF OF THE WEEK, WHICH WILL  
ALLOW BREEZES TO SLACKEN FROM MODERATE OR FRESH TO GENTLE BY THE  
WEEKEND. EXPECT SLIGHTLY FRESHER BREEZES SOUTH OF THE ISLAND  
CHAIN.  
 
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF NOVEMBER 14...  
 
54 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.  
23 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.  
19 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.  
17 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.  
15 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.  
4 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.  
1 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.  
1 NM SOUTHEAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.  
 
GULF STREAM INFORMATION COURTESY OF THE NATIONAL WEATHER SERVICE  
IN KEY WEST BASED ON PRODUCTS FROM NASA SPORT.  
 

 
 
GMZ031-200330-  
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND  
BUTTONWOOD SOUND-  
1030 AM EST WED NOV 19 2025  
   
THIS AFTERNOON
 
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. BAY  
WATERS A LIGHT CHOP.    
TONIGHT
 
NORTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT  
CHOP.    
THURSDAY
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY WATERS A  
LIGHT TO MODERATE CHOP.    
THURSDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY  
WATERS A LIGHT TO MODERATE CHOP.    
FRIDAY
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY WATERS A  
LIGHT TO MODERATE CHOP.    
FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. BAY WATERS  
A LIGHT CHOP.    
SATURDAY
 
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. BAY WATERS A  
LIGHT CHOP.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
NORTHEAST TO EAST WINDS 5  
TO 10 KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP.  
 

 
 
GMZ032-035-200330-  
BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE  
BRIDGE-  
GULF OF AMERICA FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON  
SHOAL OUT TO 5 FATHOMS-  
1030 AM EST WED NOV 19 2025  
   
THIS AFTERNOON
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1  
TO 2 FEET, EXCEPT 2 TO 3 FEET WEST OF THE MARQUESAS KEYS.  
NEARSHORE WATERS A LIGHT TO MODERATE CHOP.   
TONIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2  
FEET, EXCEPT AROUND 2 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE  
WATERS A LIGHT TO MODERATE CHOP.   
THURSDAY AND THURSDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15  
KNOTS. SEAS 1 TO 2 FEET, EXCEPT 2 TO 3 FEET WEST OF THE MARQUESAS  
KEYS. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.   
FRIDAY
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2  
FEET, EXCEPT AROUND 2 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE  
WATERS A LIGHT TO MODERATE CHOP.   
FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO  
2 FEET, EXCEPT AROUND 2 FEET WEST OF THE MARQUESAS KEYS.  
NEARSHORE WATERS A LIGHT TO MODERATE CHOP.    
SATURDAY
 
NORTHEAST TO EAST WINDS DECREASING TO NEAR 10 KNOTS.  
SEAS SUBSIDING TO AROUND 1 FOOT. NEARSHORE WATERS BECOMING A  
LIGHT CHOP.   
SATURDAY NIGHT
 
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS  
AROUND 1 FOOT. NEARSHORE WATERS A LIGHT CHOP.    
SUNDAY AND SUNDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1  
FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.  
 

 
 
GMZ042>044-200330-  
HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF-  
HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT  
TO THE REEF-  
HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL  
OUT TO THE REEF-  
1030 AM EST WED NOV 19 2025  
   
THIS AFTERNOON
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 2  
TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.    
TONIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.    
THURSDAY THROUGH FRIDAY
 
NORTHEAST TO EAST WINDS 10 TO 15  
KNOTS. SEAS 2 TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE  
CHOP.   
FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.    
SATURDAY
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS SUBSIDING  
TO AROUND 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
NORTHEAST TO EAST WINDS  
NEAR 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP.  
 

 
 
GMZ052>055-072>075-200330-  
STRAITS OF FLORIDA FROM OCEAN REEF TO CRAIG KEY OUT 20 NM-  
STRAITS OF FLORIDA FROM CRAIG KEY TO WEST END OF SEVEN MILE  
BRIDGE OUT 20 NM-  
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 OCEAN REEF TO CRAIG KEY 20 TO 60 NM OUT-  
STRAITS OF FLORIDA FROM CRAIG KEY TO WEST END OF SEVEN MILE  
BRIDGE 20 TO 60 NM OUT-  
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 AM EST WED NOV 19 2025  
   
THIS AFTERNOON
 
NORTHEAST TO EAST WINDS NEAR 15 KNOTS. SEAS 2  
TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT 5  
SECONDS. SCATTERED SHOWERS, MAINLY IN THE WESTERN STRAITS.    
TONIGHT
 
NORTHEAST TO EAST WINDS NEAR 15 KNOTS, BRIEFLY  
INCREASING TO 15 TO 20 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6  
FEET. WAVE DETAIL: NORTHEAST TO EAST 4 FEET AT 5 SECONDS.    
THURSDAY
 
NORTHEAST TO EAST WINDS NEAR 15 KNOTS. SEAS 3 TO  
4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST TO EAST  
4 FEET AT 5 SECONDS.    
THURSDAY NIGHT
 
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS 3  
TO 5 FEET, OCCASIONALLY TO 6 FEET.    
FRIDAY
 
NORTHEAST TO EAST WINDS NEAR 15 KNOTS. SEAS 2 TO  
4 FEET, OCCASIONALLY TO 5 FEET.    
FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
4 FEET, OCCASIONALLY TO 5 FEET. ISOLATED SHOWERS.    
SATURDAY THROUGH SUNDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15  
KNOTS. SEAS 2 TO 3 FEET.  
 

 
 
GMZ033-034-200330-  
GULF OF AMERICA FROM EAST CAPE SABLE TO CHOKOLOSKEE 20 TO 60 NM  
OUT AND BEYOND 5 FATHOMS-  
GULF OF AMERICA INCLUDING DRY TORTUGAS AND REBECCA SHOAL CHANNEL-  
1030 AM EST WED NOV 19 2025  
   
THIS AFTERNOON
 
NORTHEAST TO EAST WINDS NEAR 15 KNOTS,  
SUBSIDING TO 10 TO 15 KNOTS. SEAS 2 TO 4 FEET, SUBSIDING TO 1 TO 3  
FEET.   
TONIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4  
FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST TO EAST 4  
FEET AT 5 SECONDS.    
THURSDAY THROUGH FRIDAY
 
NORTHEAST TO EAST WINDS 10 TO 15  
KNOTS. SEAS 1 TO 3 FEET.    
THURSDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3  
FEET.   
FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO  
3 FEET.   
SATURDAY THROUGH SUNDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15  
KNOTS. SEAS 1 TO 2 FEET.  
 

 
 
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