697  
FZUS52 KKEY 102028  
CWFKEY  
 
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
428 PM EDT FRI MAY 10 2024  
 
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.  
 
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.  
 
GMZ005-110230-  
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS  
428 PM EDT FRI MAY 10 2024  
   
SYNOPSIS
 
GENTLE SOUTH TO SOUTHWEST BREEZES WILL SHIFT TO THE  
WEST TO NORTHWEST AS HIGH PRESSURE OVER THE WESTERN ATLANTIC  
MOVES FURTHER OFFSHORE. WINDS WILL CONTINUE TO VEER AROUND THE  
COMPASS DURING THE WEEKEND AS A WEAK FRONTAL BOUNDARY MOVES DOWN  
THE FLORIDA PENINSULA. THE FRONT WILL DISSIPATE NEAR THE KEYS  
WATERS ON SUNDAY, THEN GENTLE TO MODERATE SOUTHEAST BREEZES WILL  
RESUME EARLY NEXT WEEK AS ANOTHER HIGH PRESSURE AREA MOVES OVER  
THE WESTERN ATLANTIC.  
 
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF MAY 07,  
2024...  
 
54 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.  
30 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.  
13 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.  
8 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.  
8 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.  
8 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.  
9 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.  
 
GULF STREAM INFORMATION COURTESY OF THE NATIONAL WEATHER SERVICE IN  
KEY WEST.  
 

 
 
GMZ031-110230-  
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND  
BUTTONWOOD SOUND-  
428 PM EDT FRI MAY 10 2024  
   
TONIGHT
 
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH TO A LIGHT CHOP.    
SATURDAY
 
WEST WINDS NEAR 10 KNOTS, INCREASING TO NEAR 15 KNOTS  
IN THE AFTERNOON. BAY WATERS A LIGHT CHOP, BECOMING A MODERATE  
CHOP.    
SATURDAY NIGHT
 
WEST TO NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING  
NORTHWEST NEAR 10 KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP,  
BECOMING A LIGHT CHOP.   
SUNDAY
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS, BECOMING  
VARIABLE NEAR 5 KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP,  
BECOMING SMOOTH.    
SUNDAY NIGHT
 
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST.  
BAY WATERS SMOOTH.   
MONDAY
 
EAST TO SOUTHEAST WINDS INCREASING TO 10 TO 15 KNOTS.  
BAY WATERS BECOMING A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
MONDAY NIGHT
 
SOUTHEAST WINDS NEAR 15 KNOTS. BAY WATERS A  
MODERATE CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS. BAY WATERS A  
MODERATE CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. BAY  
WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
WEDNESDAY
 
SOUTH WINDS 10 TO 15 KNOTS, DECREASING TO NEAR 10  
KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP, BECOMING A LIGHT CHOP.  
ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS,  
BECOMING SOUTH NEAR 10 KNOTS. BAY WATERS SMOOTH, BECOMING A LIGHT  
CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ032-035-110230-  
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-  
428 PM EDT FRI MAY 10 2024  
   
TONIGHT
 
NORTHWEST WINDS NEAR 5 KNOTS, BECOMING SOUTHWEST TO  
WEST 5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. NEARSHORE  
WATERS SMOOTH, BECOMING SMOOTH TO A LIGHT CHOP.    
SATURDAY
 
WEST WINDS 5 TO 10 KNOTS, BECOMING WEST TO NORTHWEST  
10 TO 15 KNOTS IN THE AFTERNOON. SEAS AROUND 1 FOOT. NEARSHORE  
WATERS SMOOTH TO A LIGHT CHOP, BECOMING LIGHT TO MODERATE CHOP.    
SATURDAY NIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING  
NORTHWEST TO NORTH 5 TO 10 KNOTS AFTER MIDNIGHT. SEAS AROUND 1  
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP, BECOMING SMOOTH  
TO A LIGHT CHOP AFTER MIDNIGHT.    
SUNDAY
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS, BECOMING  
VARIABLE NEAR 5 KNOTS IN THE AFTERNOON. SEAS 1 FOOT OR LESS.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING SMOOTH.    
SUNDAY NIGHT
 
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST 5  
TO 10 KNOTS AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. NEARSHORE WATERS  
SMOOTH, BECOMING SMOOTH TO A LIGHT CHOP.    
MONDAY
 
EAST TO SOUTHEAST WINDS INCREASING TO 10 TO 15 KNOTS.  
SEAS AROUND 1 FOOT, BUILDING TO 1 TO 2 FEET. NEARSHORE WATERS  
BECOMING A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
MONDAY NIGHT
 
EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 1 TO  
2 FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
TUESDAY
 
SOUTHEAST TO SOUTH WINDS DECREASING TO 10 TO 15 KNOTS.  
SEAS AROUND 2 FEET, SUBSIDING TO 1 TO 2 FEET. WEST OF THE  
MARQUESAS KEYS, SEAS 2 TO 3 FEET, SUBSIDING TO AROUND 2 FEET.  
NEARSHORE WATERS BECOMING A LIGHT TO MODERATE CHOP. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS  
1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
SOUTH TO SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING  
SOUTH 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT  
TO MODERATE CHOP, BECOMING SMOOTH TO A LIGHT CHOP. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
EAST WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST TO  
SOUTH NEAR 10 KNOTS. SEAS 1 FOOT OR LESS. NEARSHORE WATERS  
SMOOTH, BECOMING A LIGHT CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ042>044-110230-  
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-  
428 PM EDT FRI MAY 10 2024  
   
TONIGHT
 
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST TO  
WEST. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT  
CHOP.    
SATURDAY
 
WEST WINDS 5 TO 10 KNOTS, BECOMING WEST TO NORTHWEST  
10 TO 15 KNOTS IN THE AFTERNOON. SEAS AROUND 1 FOOT, BUILDING TO 1  
TO 2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A  
LIGHT TO MODERATE CHOP.   
SATURDAY NIGHT
 
WEST TO NORTHWEST WINDS 10 TO 15 KNOTS,  
BECOMING NORTHWEST TO NORTH 5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 1  
TO 2 FEET, SUBSIDING TO AROUND 1 FOOT. NEARSHORE WATERS A LIGHT  
TO MODERATE CHOP, BECOMING SMOOTH TO A LIGHT CHOP.    
SUNDAY
 
NORTH WINDS 5 TO 10 KNOTS, BECOMING VARIABLE NEAR 5  
KNOTS. SEAS SUBSIDING TO 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH  
TO A LIGHT CHOP, BECOMING SMOOTH.    
SUNDAY NIGHT
 
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST 5  
TO 10 KNOTS AFTER MIDNIGHT. SEAS 1 FOOT OR LESS, BUILDING TO  
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH, BECOMING SMOOTH TO A  
LIGHT CHOP.   
MONDAY
 
EAST TO SOUTHEAST WINDS INCREASING TO 10 TO 15 KNOTS.  
SEAS 1 TO 2 FEET, BUILDING TO AROUND 2 FEET. NEARSHORE WATERS  
BECOMING A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
MONDAY NIGHT
 
EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO  
3 FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
TUESDAY
 
SOUTHEAST TO SOUTH WINDS DECREASING TO 10 TO 15 KNOTS.  
SEAS 2 TO 3 FEET. NEARSHORE WATERS BECOMING A LIGHT TO MODERATE  
CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS  
2 TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
SOUTH TO SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING  
SOUTHEAST TO SOUTH 5 TO 10 KNOTS IN THE AFTERNOON. SEAS 2 TO  
3 FEET, SUBSIDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO  
MODERATE CHOP, BECOMING SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS,  
BECOMING SOUTHEAST TO SOUTH NEAR 10 KNOTS. SEAS AROUND 1 FOOT.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT CHOP.  
ISOLATED SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ052>055-072>075-110230-  
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-  
428 PM EDT FRI MAY 10 2024  
   
TONIGHT
 
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING  
SOUTHWEST. SEAS 1 TO 2 FEET. WAVE DETAIL: EAST 1 FOOT AT 4  
SECONDS.   
SATURDAY
 
WEST WINDS 5 TO 10 KNOTS, BECOMING NORTHWEST 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: EAST 1  
FOOT AT 4 SECONDS AND NORTHWEST 1 FOOT AT 3 SECONDS.    
SATURDAY NIGHT
 
WEST TO NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING  
NORTHWEST TO NORTH 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. WAVE DETAIL:  
NORTHWEST 1 FOOT AT 3 SECONDS.    
SUNDAY
 
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING  
VARIABLE. SEAS 1 TO 2 FEET.    
SUNDAY NIGHT
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING  
TO NEAR 10 KNOTS. SEAS 1 TO 2 FEET.    
MONDAY
 
EAST TO SOUTHEAST WINDS INCREASING TO 10 TO 15 KNOTS.  
SEAS 1 TO 2 FEET, BUILDING TO 2 TO 3 FEET. ISOLATED SHOWERS AND  
THUNDERSTORMS.   
MONDAY NIGHT
 
EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO  
4 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
SOUTHEAST WINDS DECREASING TO 10 TO 15 KNOTS. SEAS 2  
TO 3 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS  
2 TO 4 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST 5 TO  
10 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING TO 1 TO 3 FEET. ISOLATED  
SHOWERS AND THUNDERSTORMS.   
WEDNESDAY NIGHT
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS,  
BECOMING SOUTHEAST TO SOUTH 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.  
ISOLATED SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ033-034-110230-  
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-  
428 PM EDT FRI MAY 10 2024  
   
TONIGHT
 
NORTHWEST WINDS NEAR 5 KNOTS, BECOMING SOUTHWEST TO  
WEST AROUND 5 KNOTS AFTER MIDNIGHT. SEAS AROUND 1 FOOT. WAVE  
DETAIL: WEST 1 FOOT AT 5 SECONDS AND SOUTHEAST 1 FOOT AT 3  
SECONDS.    
SATURDAY
 
WEST WINDS 5 TO 10 KNOTS, BECOMING WEST TO NORTHWEST  
NEAR 10 KNOTS. SEAS AROUND 1 FOOT, BUILDING TO 1 TO 2 FEET. WAVE  
DETAIL: SOUTHWEST TO WEST 1 FOOT AT 4 SECONDS.   
SATURDAY NIGHT
 
NORTHWEST WINDS NEAR 10 KNOTS, BECOMING  
NORTHWEST TO NORTH 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. WAVE DETAIL:  
NORTHWEST 1 FOOT AT 4 SECONDS.    
SUNDAY
 
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING  
VARIABLE NEAR 5 KNOTS. SEAS 1 TO 2 FEET.    
SUNDAY NIGHT
 
VARIABLE WINDS NEAR 5 KNOTS, BECOMING EAST TO  
SOUTHEAST. SEAS 1 TO 2 FEET.    
MONDAY
 
SOUTHEAST WINDS INCREASING TO 10 TO 15 KNOTS. SEAS 1 TO  
2 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO NEAR  
15 KNOTS. SEAS BUILDING TO 2 TO 3 FEET. ISOLATED SHOWERS AND  
THUNDERSTORMS.   
TUESDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS, DECREASING TO  
10 TO 15 KNOTS. SEAS 2 TO 3 FEET. ISOLATED SHOWERS AND  
THUNDERSTORMS.   
TUESDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS  
2 TO 3 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
SOUTH WINDS 10 TO 15 KNOTS, BECOMING VARIABLE 5 TO  
10 KNOTS. SEAS 2 TO 3 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
VARIABLE WINDS NEAR 5 KNOTS, BECOMING  
SOUTHEAST TO SOUTH NEAR 10 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING TO  
1 TO 2 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.  
 

 
 
NB  
 
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