041  
FZUS52 KKEY 292038  
CWFKEY  
 
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
438 PM EDT WED APR 29 2026  
 
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.  
 
GMZ005-300845-  
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS  
438 PM EDT WED APR 29 2026  
   
SYNOPSIS
 
A SMALL HIGH PRESSURE SYSTEM CENTERED EAST OF THE  
FLORIDA PENINSULA WILL CONTINUE TO DRIFT SOUTHEASTWARD TONIGHT,  
RESULTING IN GENTLE TO MODERATE EASTERLIES TRENDING DOWNWARDS AND  
SHIFTING SOUTHEAST TO SOUTH. A WEAK LOW PRESSURE SYSTEM SWINGING  
OFF THE SOUTHEAST COAST ON THURSDAY WILL SLACKEN LOCAL BREEZES  
FURTHER AND INTRODUCE VARIABLE DIRECTION. ANOTHER WEAK LOW WILL  
PUSH ACROSS FLORIDA LATE THIS WEEK AND INTO THE WEEKEND, LIKELY  
SUPPORTING A PERIOD OF GENTLE TO MODERATE SOUTHEASTERLY BREEZES.  
WINDS SHOULD SLACKEN AGAIN LATER IN THE WEEKEND AS THE PRESSURE  
GRADIENT WEAKENS. A WEAK DISTURBANCE IN THE GULF COUPLED WITH  
INCREASED MOISTURE WILL SUPPORTED ELEVATED RAIN AND THUNDER  
CHANCES FOR LATE IN THE WEEKEND AND INTO EARLY NET WEEK.  
 
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF APRIL 28...  
 
16 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.  
10 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.  
9 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.  
9 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.  
12 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.  
10 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.  
6 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.  
6 NM SOUTHEAST 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 AND RTOFS.  
 

 
 
GMZ031-300845-  
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND  
BUTTONWOOD SOUND-  
438 PM EDT WED APR 29 2026  
   
TONIGHT
 
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS. BAY WATERS  
SMOOTH.    
THURSDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS, BECOMING SOUTH  
NEAR 10 KNOTS. BAY WATERS SMOOTH, BECOMING A LIGHT CHOP.   
THURSDAY NIGHT
 
SOUTH TO SOUTHWEST WINDS 5 TO 10 KNOTS. BAY  
WATERS SMOOTH TO A LIGHT CHOP.    
FRIDAY
 
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH TO A LIGHT CHOP.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST  
TO SOUTH 10 TO 15 KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP,  
BECOMING A LIGHT TO MODERATE CHOP.    
SATURDAY
 
SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS, BECOMING  
SOUTHWEST NEAR 10 KNOTS. BAY WATERS A MODERATE CHOP, BECOMING A  
LIGHT CHOP.   
SATURDAY NIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.   
SUNDAY
 
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT
 
NORTHWEST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT  
CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.    
MONDAY
 
WEST TO NORTHWEST WINDS NEAR 10 KNOTS. BAY WATERS A  
LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT
 
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ032-035-300845-  
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-  
438 PM EDT WED APR 29 2026  
   
TONIGHT
 
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST. SEAS  
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.   
THURSDAY
 
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS, BECOMING  
VARIABLE. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT  
CHOP.    
THURSDAY NIGHT
 
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST.  
SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH.    
FRIDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.    
FRIDAY NIGHT
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING  
SOUTHEAST TO SOUTH 10 TO 15 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE  
WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT TO MODERATE CHOP.   
SATURDAY
 
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS, BECOMING  
SOUTHWEST NEAR 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A  
LIGHT TO MODERATE CHOP, BECOMING A LIGHT CHOP.    
SATURDAY NIGHT
 
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING SOUTH TO  
SOUTHWEST. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT  
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.   
SUNDAY
 
WEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE  
WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SUNDAY NIGHT
 
NORTHWEST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.  
NEARSHORE WATERS A LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS.   
MONDAY
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2  
FEET, EXCEPT AROUND 2 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE  
WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
MONDAY NIGHT
 
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET,  
EXCEPT AROUND 2 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS  
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ042>044-300845-  
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-  
438 PM EDT WED APR 29 2026  
   
TONIGHT
 
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 1  
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.   
THURSDAY
 
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS, BECOMING  
VARIABLE. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT  
CHOP.    
THURSDAY NIGHT
 
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING  
SOUTHEAST TO SOUTH. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH  
TO A LIGHT CHOP, BECOMING SMOOTH.    
FRIDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.    
FRIDAY NIGHT
 
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING  
SOUTHEAST TO SOUTH 10 TO 15 KNOTS. SEAS AROUND 1 FOOT, BUILDING  
TO 2 TO 3 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING  
A LIGHT TO MODERATE CHOP.   
SATURDAY
 
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS, BECOMING  
SOUTHWEST NEAR 10 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING TO AROUND 2  
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP, BECOMING A LIGHT  
CHOP.   
SATURDAY NIGHT
 
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING SOUTH TO  
SOUTHWEST. SEAS 1 TO 2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT  
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING WEST TO  
NORTHWEST. SEAS 1 TO 2 FEET, SUBSIDING TO AROUND 1 FOOT.  
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT CHOP. A  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT
 
NORTHWEST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.  
NEARSHORE WATERS A LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS.    
MONDAY
 
NORTHWEST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET, EXCEPT  
2 TO 3 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS A  
LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO  
2 FEET, EXCEPT 2 TO 3 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE  
WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 

 
 
GMZ052>055-072>075-300845-  
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-  
438 PM EDT WED APR 29 2026  
   
TONIGHT
 
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2  
FEET. WAVE DETAIL: EAST TO SOUTHEAST 2 FEET AT 4 SECONDS.    
THURSDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING VARIABLE.  
SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.    
THURSDAY NIGHT
 
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING  
SOUTHEAST AFTER MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: EAST 2  
FEET AT 4 SECONDS.    
FRIDAY
 
SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.    
FRIDAY NIGHT
 
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING  
SOUTHEAST TO SOUTH AFTER MIDNIGHT. SEAS 2 TO 3 FEET.    
SATURDAY
 
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS, BECOMING  
VARIABLE NEAR 10 KNOTS. SEAS 2 TO 3 FEET.   
SATURDAY NIGHT
 
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING SOUTH TO  
SOUTHWEST. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.   
SUNDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING WEST TO  
NORTHWEST. SEAS 2 TO 3 FEET. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SUNDAY NIGHT
 
NORTHWEST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET.  
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.    
MONDAY
 
NORTHWEST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET. A  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO  
3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
GMZ033-034-300845-  
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-  
438 PM EDT WED APR 29 2026  
   
TONIGHT
 
VARIABLE WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT. WAVE  
DETAIL: EAST 1 FOOT AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS.   
THURSDAY
 
SOUTHEAST WINDS NEAR 5 KNOTS, BECOMING VARIABLE. SEAS  
1 FOOT OR LESS.   
THURSDAY NIGHT
 
VARIABLE WINDS NEAR 5 KNOTS, BECOMING EAST TO  
SOUTHEAST. SEAS 1 FOOT OR LESS.    
FRIDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.    
FRIDAY NIGHT
 
SOUTHEAST WINDS INCREASING TO NEAR 10 KNOTS. SEAS  
BUILDING TO 1 TO 2 FEET.   
SATURDAY
 
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS, BECOMING  
SOUTH TO SOUTHWEST NEAR 10 KNOTS. SEAS 2 TO 3 FEET.   
SATURDAY NIGHT
 
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING SOUTH TO  
SOUTHWEST. SEAS 1 TO 2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT  
CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.    
SUNDAY
 
WEST WINDS 5 TO 10 KNOTS, BECOMING NORTHWEST 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 1 TO 2 FEET, BUILDING TO 2 TO 3  
FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A  
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS.    
MONDAY
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING  
TO AROUND 2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT
 
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS  
AROUND 2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 

 
 
BT/11  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab FL Page Main Text Page