986  
FZUS52 KKEY 230931  
CWFKEY  
 
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
431 AM EST MON JAN 23 2017  
 
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.  
 
GMZ005-231530-  
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS  
431 AM EST MON JAN 23 2017  
   
SYNOPSIS
 
A COLD FRONT WILL BLAST THROUGH THE FLORIDA KEYS THIS  
MORNING. STRONG SOUTH TO SOUTHWEST WINDS WILL TURN WEST IN WAKE  
OF A PRE-FRONTAL SQUALL LINE. HAZARDOUS MARINE CONDITIONS EXPECTED  
TO CONTINUE INTO TONIGHT.  
 
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF  
JANUARY 21ST...  
 
32 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.  
8 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.  
10 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.  
28 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.  
27 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.  
11 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.  
6 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.  
4 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.  
 
GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.  
 

 
 
GMZ031-231530-  
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND  
BUTTONWOOD SOUND-  
431 AM EST MON JAN 23 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT
 
 
   
TODAY
 
WEST WINDS NEAR 25 KNOTS. BAY WATERS EXTREMELY ROUGH.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS...BECOMING SCATTERED  
SHOWERS LATE.   
TONIGHT...NORTHWEST WINDS 20 TO 25 KNOTS EARLY
 
DECREASING TO  
NEAR 15 KNOTS AFTER MIDNIGHT. BAY WATERS VERY ROUGH...BECOMING A  
MODERATE CHOP.   
TUESDAY
 
WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS A  
LIGHT TO MODERATE CHOP.    
TUESDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO  
A LIGHT CHOP.    
WEDNESDAY...NORTHEAST WINDS NEAR 10 KNOTS
 
BECOMING SOUTHEAST  
TO SOUTH IN THE AFTERNOON. BAY WATERS A LIGHT CHOP.    
WEDNESDAY NIGHT
 
VARIABLE WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH TO A LIGHT CHOP.    
THURSDAY
 
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH TO A LIGHT CHOP.    
THURSDAY NIGHT
 
VARIABLE WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH  
TO A LIGHT CHOP. ISOLATED SHOWERS.    
FRIDAY AND FRIDAY NIGHT
 
NORTH WINDS NEAR 10 KNOTS. BAY WATERS  
A LIGHT CHOP. ISOLATED SHOWERS.  
 

 
 
GMZ032-035-231530-  
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-  
431 AM EST MON JAN 23 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT
 
 
   
TODAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS EARLY
 
DECREASING  
TO 20 TO 25 KNOTS THIS AFTERNOON. SEAS 4 TO 6 FEET. NEARSHORE  
WATERS EXTREMELY ROUGH...BECOMING VERY ROUGH. SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS...BECOMING SCATTERED SHOWERS LATE.   
TONIGHT...NORTHWEST WINDS 20 TO 25 KNOTS
 
DECREASING TO 15 TO 20  
KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET...SUBSIDING TO 3 TO 5 FEET.  
NEARSHORE WATERS VERY ROUGH...BECOMING CHOPPY.   
TUESDAY...NORTHWEST WINDS NEAR 15 KNOTS EARLY
 
DECREASING TO  
NEAR 10 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET...SUBSIDING TO 1  
TO 3 FEET IN THE AFTERNOON. NEARSHORE WATERS A MODERATE  
CHOP...BECOMING A LIGHT CHOP.   
TUESDAY NIGHT
 
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS  
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.    
WEDNESDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 10 KNOTS. SEAS AROUND 1  
FOOT. NEARSHORE WATERS A LIGHT CHOP.    
WEDNESDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS  
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.    
THURSDAY
 
VARIABLE WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.  
NEARSHORE WATERS SMOOTH.    
THURSDAY NIGHT...VARIABLE WINDS NEAR 5 KNOTS
 
BECOMING NORTH  
AND INCREASING TO NEAR 10 KNOTS AFTER MIDNIGHT. SEAS 1 FOOT OR  
LESS. NEARSHORE WATERS SMOOTH...BECOMING A LIGHT CHOP. ISOLATED  
SHOWERS.   
FRIDAY AND FRIDAY NIGHT
 
NORTH TO NORTHEAST WINDS 10 TO  
15 KNOTS. SEAS 1 TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE  
CHOP. ISOLATED SHOWERS.  
 

 
 
GMZ042>044-231530-  
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-  
431 AM EST MON JAN 23 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT
 
 
   
TODAY
 
WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 5 TO 8  
FEET. NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS...BECOMING SCATTERED SHOWERS LATE.    
TONIGHT...NORTHWEST WINDS 20 TO 25 KNOTS EARLY
 
DECREASING TO  
NEAR 20 KNOTS AFTER MIDNIGHT. SEAS 4 TO 7 FEET. NEARSHORE WATERS  
VERY ROUGH.   
TUESDAY...WEST TO NORTHWEST WINDS NEAR 15 KNOTS
 
DECREASING TO  
NEAR 10 KNOTS. SEAS 3 TO 5 FEET...SUBSIDING TO 2 TO 4 FEET.  
NEARSHORE WATERS A MODERATE CHOP...BECOMING A LIGHT CHOP.    
TUESDAY NIGHT...NORTHWEST TO NORTH WINDS NEAR 10 KNOTS
 
BECOMING  
NORTHEAST AND DECREASING TO 5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 2  
TO 3 FEET...SUBSIDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT  
CHOP...BECOMING SMOOTH TO A LIGHT CHOP.   
WEDNESDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 10 KNOTS. SEAS 1 TO 2  
FEET. NEARSHORE WATERS A LIGHT CHOP.    
WEDNESDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS  
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.    
THURSDAY
 
VARIABLE WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.  
NEARSHORE WATERS SMOOTH.    
THURSDAY NIGHT...VARIABLE WINDS 5 TO 10 KNOTS
 
BECOMING NORTHWEST  
TO NORTH AND INCREASING TO 10 TO 15 KNOTS AFTER MIDNIGHT.  
NEARSHORE WATERS SMOOTH...BECOMING A LIGHT TO MODERATE CHOP.    
FRIDAY
 
NORTH TO NORTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 3  
FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.   
FRIDAY NIGHT
 
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS. SEAS  
AROUND 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.  
ISOLATED SHOWERS.  
 

 
 
GMZ052>055-072>075-231530-  
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-  
431 AM EST MON JAN 23 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT
 
 
   
TODAY
 
WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 10 TO  
14 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS  
EARLY...BECOMING SCATTERED SHOWERS LATE.    
TONIGHT...NORTHWEST WINDS NEAR 25 KNOTS
 
DECREASING TO NEAR 20  
KNOTS AFTER MIDNIGHT. SEAS 10 TO 14 FEET...SUBSIDING TO 9 TO 11  
FEET AFTER MIDNIGHT IN A NORTHERLY SWELL.    
TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS
 
DECREASING TO  
NEAR 10 KNOTS IN THE AFTERNOON. SEAS 6 TO 10 FEET...SUBSIDING TO  
4 TO 7 FEET IN THE AFTERNOON IN A NORTHERLY SWELL.    
TUESDAY NIGHT
 
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. SEAS 3  
TO 5 FEET...SUBSIDING TO 2 TO 4 FEET.    
WEDNESDAY
 
SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET.    
WEDNESDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS NEAR 10 KNOTS. SEAS 2  
TO 3 FEET.    
THURSDAY
 
VARIABLE WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.    
THURSDAY NIGHT
 
NORTHWEST TO NORTH WINDS NEAR 10 KNOTS. SEAS 2  
TO 3 FEET. ISOLATED SHOWERS.    
FRIDAY AND FRIDAY NIGHT
 
NORTH TO NORTHEAST WINDS NEAR 15  
KNOTS. SEAS 3 TO 5 FEET. ISOLATED SHOWERS.  
 

 
 
GMZ033-034-231530-  
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-  
431 AM EST MON JAN 23 2017  
   
..SMALL CRAFT ADVISORY IN EFFECT
 
 
   
TODAY
 
WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 10 TO  
14 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS...BECOMING  
SCATTERED SHOWERS LATE.    
TONIGHT...NORTHWEST WINDS NEAR 25 KNOTS EARLY
 
DECREASING TO  
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 10 TO 14 FEET IN A NORTHERLY  
SWELL.   
TUESDAY...NORTHWEST WINDS NEAR 15 KNOTS EARLY
 
DECREASING TO  
NEAR 10 KNOTS IN THE AFTERNOON. SEAS 6 TO 10 FEET...SUBSIDING TO  
4 TO 7 FEET IN THE AFTERNOON IN A NORTHERLY SWELL.    
TUESDAY NIGHT
 
VARIABLE WINDS 5 TO 10 KNOTS. SEAS 4 TO 6  
FEET...SUBSIDING TO 2 TO 4 FEET AFTER MIDNIGHT.    
WEDNESDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 10 KNOTS. SEAS 1 TO 3  
FEET.    
WEDNESDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS  
1 TO 2 FEET.    
THURSDAY
 
SOUTH TO SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO  
2 FEET.    
THURSDAY NIGHT
 
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2  
TO 3 FEET. ISOLATED SHOWERS.   
FRIDAY AND FRIDAY NIGHT
 
NORTH TO NORTHEAST WINDS NEAR 15 KNOTS.  
SEAS 3 TO 5 FEET. ISOLATED SHOWERS.  
 

 
 
BWC  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab FL Page Main Text Page