579  
FZUS52 KKEY 051429  
CWFKEY  
 
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
1029 AM EDT SAT JUL 5 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.  
 
GMZ005-060230-  
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS  
1029 AM EDT SAT JUL 5 2025  
   
SYNOPSIS
 
A DEEP TROUGH COMPLEX OVER THE SOUTHEAST US AND  
FLORIDA WILL MAINTAIN GENTLE SOUTHWEST BREEZES ACROSS THE FLORIDA  
KEYS THROUGH TODAY. AS THE TROUGH LIFTS NORTHEAST STARTING  
SUNDAY, A WEAK RIDGE AXIS WILL REBUILD ACROSS THE KEYS AND SOUTH  
FLORIDA, RESULTING IN A RETURN TO GENERALLY LIGHT TO GENTLE  
EASTERLY BREEZES.  
 
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF JUNE 29...  
 
14 NM SOUTHWEST OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.  
15 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.  
18 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.  
26 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.  
31 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.  
18 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.  
9 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.  
3 NM EAST 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.  
 

 
 
GMZ031-060230-  
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND  
BUTTONWOOD SOUND-  
1029 AM EDT SAT JUL 5 2025  
   
THIS AFTERNOON
 
SOUTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS A  
LIGHT TO MODERATE CHOP. SCATTERED SHOWERS AND THUNDERSTORMS.    
TONIGHT
 
SOUTH TO SOUTHWEST WINDS NEAR 10 KNOTS. BAY WATERS A  
LIGHT CHOP. SCATTERED SHOWERS AND THUNDERSTORMS.    
SUNDAY
 
SOUTH TO SOUTHWEST WINDS NEAR 10 KNOTS, BECOMING SOUTH  
AND DECREASING TO 5 TO 10 KNOTS. BAY WATERS A LIGHT CHOP,  
BECOMING SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.   
SUNDAY NIGHT
 
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS, DECREASING  
TO NEAR 5 KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP, BECOMING  
SMOOTH. ISOLATED SHOWERS AND THUNDERSTORMS.    
MONDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS, BECOMING EAST TO  
SOUTHEAST AND INCREASING TO 5 TO 10 KNOTS. BAY WATERS SMOOTH,  
BECOMING SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.   
MONDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A  
LIGHT CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A LIGHT  
CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
TUESDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A  
LIGHT CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY
 
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. BAY WATERS  
SMOOTH. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY NIGHT
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY  
WATERS SMOOTH TO A LIGHT CHOP. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.  
 

 
 
GMZ032-035-060230-  
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-  
1029 AM EDT SAT JUL 5 2025  
   
THIS AFTERNOON
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND 1  
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. SCATTERED  
SHOWERS AND THUNDERSTORMS.   
TONIGHT
 
SOUTHWEST WINDS NEAR 10 KNOTS. SEAS AROUND 1 FOOT.  
NEARSHORE WATERS A LIGHT CHOP. SCATTERED SHOWERS AND  
THUNDERSTORMS.    
SUNDAY
 
SOUTH TO SOUTHWEST WINDS NEAR 10 KNOTS, BECOMING SOUTH  
AND DECREASING TO 5 TO 10 KNOTS. SEAS AROUND 1 FOOT, SUBSIDING TO 1  
FOOT OR LESS. NEARSHORE WATERS A LIGHT CHOP, BECOMING SMOOTH TO A  
LIGHT CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.   
SUNDAY NIGHT
 
SOUTH WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST AND  
INCREASING TO 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. NEARSHORE  
WATERS SMOOTH, BECOMING SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
MONDAY
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR  
LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
MONDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
TUESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS.    
TUESDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS.    
WEDNESDAY NIGHT
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS  
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
 

 
 
GMZ042>044-060230-  
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-  
1029 AM EDT SAT JUL 5 2025  
   
THIS AFTERNOON
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND 1  
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. SCATTERED  
SHOWERS AND THUNDERSTORMS.   
TONIGHT
 
SOUTH TO SOUTHWEST WINDS NEAR 10 KNOTS, BECOMING SOUTH  
AND DECREASING TO 5 TO 10 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE  
WATERS A LIGHT CHOP, BECOMING SMOOTH TO A LIGHT CHOP. SCATTERED  
SHOWERS AND THUNDERSTORMS.   
SUNDAY
 
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST TO SOUTH  
AND DECREASING TO NEAR 5 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE  
WATERS SMOOTH TO A LIGHT CHOP, BECOMING SMOOTH. ISOLATED SHOWERS  
AND THUNDERSTORMS.   
SUNDAY NIGHT
 
SOUTHEAST WINDS NEAR 5 KNOTS, INCREASING TO 5 TO  
10 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH, BECOMING  
SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.    
MONDAY
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
MONDAY NIGHT
 
EAST WINDS NEAR 10 KNOTS. SEAS AROUND 1 FOOT.  
NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
TUESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS.    
TUESDAY NIGHT
 
EAST WINDS NEAR 10 KNOTS. SEAS AROUND 1 FOOT.  
NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS.    
WEDNESDAY NIGHT
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS  
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.  
 

 
 
GMZ052>055-072>075-060230-  
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-  
1029 AM EDT SAT JUL 5 2025  
   
THIS AFTERNOON
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND 1  
FOOT. WAVE DETAIL: WEST 1 FOOT AT 3 SECONDS. SCATTERED SHOWERS AND  
THUNDERSTORMS.    
TONIGHT
 
SOUTH TO SOUTHWEST WINDS NEAR 10 KNOTS, BECOMING SOUTH  
AND DECREASING TO 5 TO 10 KNOTS. SEAS AROUND 1 FOOT. SCATTERED  
SHOWERS AND THUNDERSTORMS.   
SUNDAY
 
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST. SEAS  
AROUND 1 FOOT. WAVE DETAIL: SOUTH 1 FOOT AT 2 SECONDS. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS  
AROUND 1 FOOT. ISOLATED SHOWERS AND THUNDERSTORMS.    
MONDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT
 
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.  
ISOLATED SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS 1 TO  
2 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
TUESDAY NIGHT
 
EAST WINDS INCREASING TO 10 TO 15 KNOTS. SEAS  
BUILDING TO AROUND 2 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY AND WEDNESDAY NIGHT
 
EAST WINDS NEAR 10 KNOTS. SEAS 1  
TO 2 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
 

 
 
GMZ033-034-060230-  
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-  
1029 AM EDT SAT JUL 5 2025  
   
THIS AFTERNOON
 
SOUTHWEST TO WEST WINDS 10 TO 15 KNOTS. SEAS 1  
TO 2 FEET. WAVE DETAIL: WEST 1 FOOT AT 4 SECONDS. NUMEROUS SHOWERS  
AND SCATTERED THUNDERSTORMS.    
TONIGHT
 
SOUTHWEST WINDS NEAR 10 KNOTS, DECREASING TO 5 TO 10  
KNOTS. SEAS AROUND 1 FOOT. WAVE DETAIL: SOUTHWEST TO WEST 1 FOOT  
AT 4 SECONDS. SCATTERED SHOWERS AND THUNDERSTORMS.    
SUNDAY
 
SOUTH TO SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 1  
FOOT. WAVE DETAIL: SOUTHWEST TO WEST 1 FOOT AT 4 SECONDS.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
SUNDAY NIGHT
 
SOUTH TO SOUTHWEST WINDS DECREASING TO NEAR 5  
KNOTS, BECOMING SOUTHEAST TO SOUTH. SEAS AROUND 1 FOOT. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
MONDAY
 
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS, INCREASING TO 5 TO  
10 KNOTS. SEAS AROUND 1 FOOT. ISOLATED SHOWERS AND THUNDERSTORMS.   
MONDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.  
ISOLATED SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
1 FOOT. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
TUESDAY NIGHT
 
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS  
AROUND 1 FOOT. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY
 
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1  
FOOT. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
 

 
 
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