420  
FZUS52 KKEY 162133  
CWFKEY  
 
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
433 PM EST WED JAN 16 2019  
 
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.  
 
GMZ005-170330-  
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS  
433 PM EST WED JAN 16 2019  
   
SYNOPSIS
 
A SPRAWLING RIDGE OF HIGH PRESSURE CENTERED OVER THE  
SOUTHEAST UNITED STATES AND NORTHERN GULF OF MEXICO WILL DROP  
SOUTHEASTWARD TONIGHT THROUGH THURSDAY NIGHT, THEN INTO THE  
FLORIDA PENINSULA FRIDAY. THIS AREA OF HIGH PRESSURE WILL DROP  
SOUTHWARD ACROSS THE ARCHIPELAGO OF CUBA SATURDAY NIGHT.  
MEANWHILE, A STRONG COLD FRONT LIKELY WILL PUSH SOUTHEAST ACROSS  
THE GULF OF MEXICO, THEN BLAST THROUGH THE COASTAL WATERS OF THE  
FLORIDA KEYS SOMETIME ON SUNDAY.  
 
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM IS CURRENTLY  
UNAVAILABLE.  
 

 
 
GMZ031-170330-  
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND  
BUTTONWOOD SOUND-  
433 PM EST WED JAN 16 2019  
   
TONIGHT
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS, BECOMING NORTH  
TO NORTHEAST AND INCREASING TO 10 TO 15 KNOTS. BAY WATERS SMOOTH  
TO A LIGHT CHOP, BECOMING A LIGHT TO MODERATE CHOP.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS, DECREASING TO NEAR 10  
KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP, BECOMING A LIGHT  
CHOP.   
THURSDAY NIGHT
 
NORTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A  
LIGHT CHOP.    
FRIDAY
 
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. BAY WATERS A  
LIGHT CHOP.   
FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. BAY WATERS  
A LIGHT CHOP. ISOLATED SHOWERS.    
SATURDAY
 
SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT  
CHOP. ISOLATED SHOWERS.    
SATURDAY NIGHT
 
SOUTH TO SOUTHWEST WINDS NEAR 15 KNOTS. BAY  
WATERS A MODERATE CHOP. SCATTERED SHOWERS DEVELOPING.    
SUNDAY
 
SOUTHWEST TO WEST WINDS 20 TO 25 KNOTS, SHIFTING TO  
NORTHWEST. BAY WATERS VERY ROUGH. SCATTERED SHOWERS.    
SUNDAY NIGHT
 
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS. BAY  
WATERS VERY ROUGH. SCATTERED SHOWERS IN THE EVENING, THEN  
ISOLATED SHOWERS AFTER MIDNIGHT.    
MONDAY
 
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS  
CHOPPY.    
MONDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS  
CHOPPY.  
 

 
 
GMZ032-035-170330-  
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-  
433 PM EST WED JAN 16 2019  
   
TONIGHT
 
NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS, BECOMING NORTH  
TO NORTHEAST AND INCREASING TO NEAR 15 KNOTS. SEAS AROUND 1 FOOT,  
BUILDING TO 1 TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.   
THURSDAY
 
NORTHEAST WINDS NEAR 15 KNOTS EARLY, DECREASING TO 5  
TO 10 KNOTS. SEAS 1 TO 3 FEET, SUBSIDING TO AROUND 1 FOOT.  
NEARSHORE WATERS A LIGHT TO MODERATE CHOP, BECOMING SMOOTH TO A  
LIGHT CHOP.   
THURSDAY NIGHT
 
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2  
FEET. NEARSHORE WATERS A LIGHT CHOP.    
FRIDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.    
FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS 1 TO  
2 FEET. NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS.   
SATURDAY
 
SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.  
NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS.   
SATURDAY NIGHT
 
SOUTH TO SOUTHWEST WINDS NEAR 15 KNOTS. SEAS 1  
TO 3 FEET. NEARSHORE WATERS A MODERATE CHOP. SCATTERED SHOWERS  
DEVELOPING.   
SUNDAY
 
SOUTHWEST TO WEST WINDS NEAR 25 KNOTS, SHIFTING TO  
NORTHWEST. SEAS 2 TO 4 FEET, EXCEPT 5 FEET WEST OF THE MARQUESAS  
KEYS. NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS.   
SUNDAY NIGHT
 
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS. SEAS  
2 TO 4 FEET, EXCEPT 4 TO 6 FEET WEST OF THE MARQUESAS KEYS.  
NEARSHORE WATERS VERY ROUGH. SCATTERED SHOWERS IN THE EVENING,  
THEN ISOLATED SHOWERS AFTER MIDNIGHT.    
MONDAY
 
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3  
FEET, EXCEPT 3 TO 5 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE  
WATERS CHOPPY.    
MONDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3 FEET.  
NEARSHORE WATERS CHOPPY.  
 

 
 
GMZ042>044-170330-  
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-  
433 PM EST WED JAN 16 2019  
   
TONIGHT
 
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO  
NEAR 15 KNOTS. SEAS 1 TO 3 FEET. NEARSHORE WATERS A LIGHT TO  
MODERATE CHOP.   
THURSDAY
 
NORTHEAST WINDS NEAR 15 KNOTS EARLY, DECREASING TO 10  
TO 15 KNOTS. SEAS 1 TO 3 FEET. NEARSHORE WATERS A LIGHT TO  
MODERATE CHOP.    
THURSDAY NIGHT
 
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO  
2 FEET. NEARSHORE WATERS A LIGHT CHOP.    
FRIDAY
 
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS 1 TO  
2 FEET. NEARSHORE WATERS A LIGHT CHOP.    
FRIDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.  
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.    
SATURDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.    
SATURDAY NIGHT
 
SOUTH TO SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS  
2 TO 4 FEET. NEARSHORE WATERS CHOPPY. SCATTERED SHOWERS  
DEVELOPING.    
SUNDAY
 
SOUTHWEST TO WEST WINDS NEAR 25 KNOTS, SHIFTING TO  
NORTHWEST. SEAS 3 TO 5 FEET. NEARSHORE WATERS EXTREMELY ROUGH.  
SCATTERED SHOWERS.   
SUNDAY NIGHT
 
NORTHWEST TO NORTH WINDS NEAR 25 KNOTS. SEAS 2 TO  
3 FEET, EXCEPT 4 TO 6 FEET WEST OF COSGROVE SHOAL LIGHT.  
NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS IN THE  
EVENING, THEN ISOLATED SHOWERS AFTER MIDNIGHT.    
MONDAY
 
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 1 TO  
3 FEET, EXCEPT 3 TO 5 FEET WEST OF COSGROVE SHOAL LIGHT.  
NEARSHORE WATERS CHOPPY.    
MONDAY NIGHT
 
NORTHEAST WINDS NEAR 20 KNOTS. SEAS 2 TO 4 FEET.  
NEARSHORE WATERS ROUGH.  
 

 
 
GMZ052>055-072>075-170330-  
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-  
433 PM EST WED JAN 16 2019  
   
TONIGHT
 
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO  
NEAR 15 KNOTS LATE. SEAS 2 TO 4 FEET.   
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET,  
SUBSIDING TO 2 TO 4 FEET.   
THURSDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS  
2 TO 4 FEET.    
FRIDAY
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
4 FEET.    
FRIDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.  
ISOLATED SHOWERS.    
SATURDAY
 
SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO 4 FEET.  
ISOLATED SHOWERS.    
SATURDAY NIGHT
 
SOUTH TO SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS  
4 TO 5 FEET. SCATTERED SHOWERS DEVELOPING.    
SUNDAY
 
SOUTHWEST TO WEST WINDS NEAR 25 KNOTS, SHIFTING TO  
NORTHWEST. SEAS BUILDING TO 5 TO 8 FEET. SCATTERED SHOWERS.    
SUNDAY NIGHT
 
NORTHWEST TO NORTH WINDS NEAR 25 KNOTS. SEAS  
BUILDING TO 6 TO 10 FEET. SCATTERED SHOWERS IN THE EVENING, THEN  
ISOLATED SHOWERS AFTER MIDNIGHT.    
MONDAY
 
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS. SEAS 5 TO 9  
FEET, SUBSIDING TO 4 TO 7 FEET.    
MONDAY NIGHT
 
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 4 TO  
7 FEET. ISOLATED SHOWERS.  
 

 
 
GMZ033-034-170330-  
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-  
433 PM EST WED JAN 16 2019  
   
TONIGHT
 
NORTH TO NORTHEAST WINDS NEAR 15 KNOTS. SEAS AROUND 3  
FEET.    
THURSDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.    
THURSDAY NIGHT
 
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2  
FEET.   
FRIDAY
 
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.    
FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO  
3 FEET. ISOLATED SHOWERS.    
SATURDAY
 
SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 3 FEET.  
ISOLATED SHOWERS.    
SATURDAY NIGHT
 
SOUTH TO SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS  
3 TO 5 FEET. SCATTERED SHOWERS DEVELOPING.    
SUNDAY
 
SOUTHWEST TO WEST WINDS NEAR 25 KNOTS, SHIFTING TO  
NORTHWEST. SEAS 4 TO 6 FEET, BUILDING TO 6 TO 8 FEET. SCATTERED  
SHOWERS.   
SUNDAY NIGHT
 
NORTHWEST TO NORTH WINDS NEAR 25 KNOTS. SEAS 8 TO  
11 FEET. SCATTERED SHOWERS IN THE EVENING, THEN ISOLATED SHOWERS  
AFTER MIDNIGHT.    
MONDAY
 
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS. SEAS 7 TO 10  
FEET, SUBSIDING TO 5 TO 8 FEET.   
MONDAY NIGHT
 
NORTHEAST WINDS NEAR 20 KNOTS. SEAS 4 TO 7 FEET.  
 

 
 
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