323  
FZUS52 KKEY 210830  
CWFKEY  
 
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
430 AM EDT TUE APR 21 2015  
 
FLORIDA BAY...HAWK CHANNEL AND STRAITS OF FLORIDA FROM OCEAN REEF TO  
SOUTH OF DRY TORTUGAS...AND THE EXTREME SOUTHEASTERN GULF OF  
MEXICO...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.  
 
GMZ005-211430-  
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS  
430 AM EDT TUE APR 21 2015  
   
SYNOPSIS
 
A WEAK HIGH PRESSURE CELL WILL MOVE FROM THE LOWER  
MISSISSIPPI RIVER VALLEY TO THE WESTERN NORTH ATLANTIC...TODAY  
THROUGH THURSDAY. THEREAFTER...A WEAK PRESSURE PATTERN IS EXPECTED  
TO PERSIST ACROSS THE FLORIDA KEYS AND ADJACENT COASTAL WATERS...FROM  
THURSDAY NIGHT THROUGH SATURDAY NIGHT.  
 
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF APRIL 20...  
 
38 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.  
35 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.  
33 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.  
22 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.  
15 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.  
2 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.  
3 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.  
5 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.  
 
GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.  
 

 
 
GMZ031-211430-  
FLORIDA BAY INCLUDING BLACKWATER SOUND, BUTTONWOOD SOUND, AND  
BARNES SOUND-  
430 AM EDT TUE APR 21 2015  
   
TODAY...SOUTH TO SOUTHWEST WINDS 5 TO 10 KNOTS THIS MORNING
 
 
BECOMING SOUTHWEST TO WEST AND INCREASING TO NEAR 10 KNOTS IN THE  
AFTERNOON. BAY WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS THIS  
MORNING...THEN SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE  
AFTERNOON.   
TONIGHT...WEST TO NORTHWEST WINDS NEAR 10 KNOTS IN THE EVENING
 
 
BECOMING VARIABLE AND DECREASING TO 5 TO 10 KNOTS OVERNIGHT. BAY  
WATERS A LIGHT CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
WEDNESDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS. BAY WATERS  
SMOOTH. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY NIGHT AND THURSDAY
 
EAST TO SOUTHEAST WINDS 5 TO 10  
KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.   
THURSDAY NIGHT THROUGH SATURDAY NIGHT
 
VARIABLE WINDS NEAR 10  
KNOTS OR LESS. BAY WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.  
 

 
 
GMZ032-035-211430-  
BAYSIDE AND GULFSIDE 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-  
430 AM EDT TUE APR 21 2015  
   
TODAY...SOUTH TO SOUTHWEST WINDS 5 TO 10 KNOTS
 
BECOMING WEST THIS  
AFTERNOON. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT  
CHOP. ISOLATED SHOWERS THIS MORNING...THEN SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.   
TONIGHT...NORTHWEST WINDS NEAR 10 KNOTS IN THE EVENING
 
BECOMING  
EAST TO SOUTHEAST OVERNIGHT. SEAS 1 FOOT OR LESS. NEARSHORE WATERS A  
LIGHT CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
WEDNESDAY
 
SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.  
NEARSHORE WATERS SMOOTH. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
WEDNESDAY NIGHT AND THURSDAY
 
EAST TO SOUTHEAST WINDS NEAR 10  
KNOTS. SEAS 1 FOOT OR LESS. NEARSHORE WATERS A LIGHT CHOP. ISOLATED  
SHOWERS.   
THURSDAY NIGHT THROUGH SATURDAY NIGHT
 
VARIABLE WINDS NEAR 10  
KNOTS OR LESS. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A  
LIGHT CHOP. ISOLATED SHOWERS.  
 

 
 
GMZ042>044-211430-  
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-  
430 AM EDT TUE APR 21 2015  
   
TODAY...SOUTH TO SOUTHWEST WINDS NEAR 10 KNOTS
 
BECOMING WEST THIS  
AFTERNOON. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP. ISOLATED  
SHOWERS THIS MORNING...THEN SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS IN THE AFTERNOON.   
TONIGHT...NORTHWEST WINDS NEAR 10 KNOTS IN THE EVENING
 
BECOMING  
EAST TO SOUTHEAST OVERNIGHT. SEAS AROUND 1 FOOT. NEARSHORE WATERS A  
LIGHT CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
WEDNESDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT  
OR LESS. NEARSHORE WATERS SMOOTH. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
WEDNESDAY NIGHT AND THURSDAY
 
EAST TO SOUTHEAST WINDS NEAR 10  
KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP. ISOLATED  
SHOWERS.   
THURSDAY NIGHT THROUGH SATURDAY NIGHT
 
VARIABLE WINDS NEAR 10  
KNOTS OR LESS. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A  
LIGHT CHOP. ISOLATED SHOWERS.  
 

 
 
GMZ052>055-072>075-211430-  
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-  
430 AM EDT TUE APR 21 2015  
   
TODAY...SOUTH TO SOUTHWEST WINDS NEAR 10 KNOTS
 
BECOMING WEST TO  
NORTHWEST THIS AFTERNOON. SEAS 1 TO 3 FEET. ISOLATED SHOWERS AND  
THUNDERSTORMS.   
TONIGHT...NORTHWEST WINDS NEAR 10 KNOTS IN THE EVENING
 
BECOMING  
EAST TO SOUTHEAST OVERNIGHT. SEAS 1 TO 3 FEET. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS.   
WEDNESDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY NIGHT AND THURSDAY
 
EAST TO SOUTHEAST WINDS NEAR 10  
KNOTS. SEAS 2 TO 3 FEET. ISOLATED SHOWERS.   
THURSDAY NIGHT THROUGH SATURDAY NIGHT
 
VARIABLE WINDS NEAR 10  
KNOTS OR LESS. SEAS 1 TO 2 FEET. ISOLATED SHOWERS.  
 

 
 
GMZ033-034-211430-  
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-  
430 AM EDT TUE APR 21 2015  
   
TODAY...SOUTH TO SOUTHWEST WINDS 5 TO 10 KNOTS
 
BECOMING WEST THIS  
AFTERNOON. SEAS 1 TO 2 FEET. ISOLATED SHOWERS THIS MORNING...THEN  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.   
TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS IN THE EVENING
 
BECOMING  
EAST TO SOUTHEAST OVERNIGHT. SEAS 1 TO 2 FEET. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS.   
WEDNESDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT  
OR LESS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY NIGHT AND THURSDAY
 
VARIABLE WINDS 5 TO 10 KNOTS. SEAS  
AROUND 1 FOOT. ISOLATED SHOWERS.   
THURSDAY NIGHT THROUGH SATURDAY NIGHT
 
VARIABLE WINDS NEAR 10  
KNOTS OR LESS. SEAS 1 TO 2 FEET. ISOLATED SHOWERS.  
 

 
 
KASPER  
 
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