677  
FZUS52 KKEY 162025  
CWFKEY  
 
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
425 PM EDT MON SEP 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.  
 
GMZ005-170230-  
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS  
425 PM EDT MON SEP 16 2019  
   
SYNOPSIS
 
GENTLE TO OCCASIONALLY MODERATE NORTHWEST BREEZES WILL  
PREVAIL THROUGH THIS EVENING, THEN DIMINISH LATE TONIGHT AS WINDS  
BECOME LIGHT TO GENTLE VEERING TO THE NORTH DURING TUESDAY. HURRICANE  
HUMBERTO WILL CONTINUE TO MOVE EAST NORTHEAST TUESDAY NIGHT  
THROUGH WEDNESDAY, AS STRONG HIGH PRESSURE GRADUALLY BUILDS  
SOUTHWARDS TO ACROSS FLORIDA AND THE FLORIDA KEYS DURING  
WEDNESDAY AND WEDNESDAY NIGHT, INTENSIFYING FURTHER THURSDAY  
THROUGH SATURDAY. AS A RESULT, MODERATE TO FRESH EAST BREEZES  
DURING WEDNESDAY AND WEDNESDAY NIGHT WILL BECOME FRESH TO  
OCCASIONALLY STRONG NORTHEAST TO EAST BREEZES THURSDAY THROUGH  
SATURDAY.  
 
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF SEPTEMBER  
14...  
 
58 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.  
32 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.  
20 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.  
11 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.  
9 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.  
3 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.  
1 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.  
 

 
 
GMZ031-170230-  
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND  
BUTTONWOOD SOUND-  
425 PM EDT MON SEP 16 2019  
   
TONIGHT
 
NORTHWEST WINDS NEAR 15 KNOTS, BECOMING NORTHWEST TO  
NORTH AND DECREASING TO 5 TO 10 KNOTS LATE. BAY WATERS A LIGHT TO  
MODERATE CHOP, BECOMING SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
TUESDAY
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.   
TUESDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS BECOMING NORTH TO  
NORTHEAST LATE. BAY WATERS SMOOTH TO A LIGHT CHOP. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
WEDNESDAY AND WEDNESDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS.  
BAY WATERS A LIGHT TO MODERATE CHOP. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS 15  
TO 20 KNOTS. BAY WATERS CHOPPY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
SATURDAY AND SATURDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS. BAY  
WATERS CHOPPY. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
 

 
 
GMZ032-035-170230-  
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-  
425 PM EDT MON SEP 16 2019  
   
TONIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS, DECREASING TO 5 TO 10  
KNOTS. SEAS 1 TO 2 FEET, SUBSIDING TO AROUND 1 FOOT. NEARSHORE  
WATERS A LIGHT TO MODERATE CHOP, BECOMING SMOOTH TO A LIGHT CHOP.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THIS EVENING.  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.   
TUESDAY
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS AROUND 1  
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
TUESDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS, BECOMING NORTH TO  
NORTHEAST LATE. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A  
LIGHT CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY AND WEDNESDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS.  
SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
THURSDAY
 
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO  
3 FEET. NEARSHORE WATERS CHOPPY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS 15  
TO 20 KNOTS. SEAS 2 TO 3 FEET. NEARSHORE WATERS CHOPPY. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
SATURDAY AND SATURDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS. SEAS 2  
TO 3 FEET. NEARSHORE WATERS CHOPPY. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS.  
 

 
 
GMZ042-170230-  
HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF-  
425 PM EDT MON SEP 16 2019  
   
TONIGHT
 
NORTHWEST WINDS NEAR 15 KNOTS THIS EVENING, BECOMING  
NORTHWEST TO NORTH AND DECREASING TO 10 TO 15 KNOTS. SEAS 1 TO 2  
FEET. NEARSHORE WATERS A MODERATE CHOP, BECOMING A LIGHT TO  
MODERATE CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THIS  
EVENING. ISOLATED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.   
TUESDAY
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2  
FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS  
AND THUNDERSTORMS.   
TUESDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS, BECOMING NORTH TO  
NORTHEAST LATE. SEAS 1 TO 2 FEET. NEARSHORE WATERS SMOOTH TO A  
LIGHT CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY AND WEDNESDAY NIGHT
 
NORTHEAST WINDS NEAR 15 KNOTS.  
SEAS 2 TO 3 FEET. NEARSHORE WATERS A MODERATE CHOP. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.  
NEARSHORE WATERS CHOPPY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS  
NEAR 20 KNOTS. SEAS 2 TO 4 FEET. NEARSHORE WATERS ROUGH. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
SATURDAY AND SATURDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS. SEAS 2  
TO 3 FEET. NEARSHORE WATERS CHOPPY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.  
 

 
 
GMZ043-044-170230-  
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-  
425 PM EDT MON SEP 16 2019  
   
TONIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING NORTHWEST TO  
NORTH AND DECREASING TO NEAR 10 KNOTS. SEAS 1 TO 3 FEET.  
NEARSHORE WATERS A LIGHT TO MODERATE CHOP, BECOMING A LIGHT CHOP.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THIS EVENING.  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
TUESDAY
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO  
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
TUESDAY NIGHT
 
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS  
1 TO 2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
WEDNESDAY AND WEDNESDAY NIGHT
 
NORTHEAST WINDS NEAR 15 KNOTS.  
SEAS 2 TO 3 FEET. NEARSHORE WATERS A MODERATE CHOP. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.  
NEARSHORE WATERS CHOPPY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS  
NEAR 20 KNOTS. SEAS 2 TO 4 FEET. NEARSHORE WATERS ROUGH. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
SATURDAY AND SATURDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS. SEAS 2  
TO 3 FEET. NEARSHORE WATERS CHOPPY. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.  
 

 
 
GMZ052-072-170230-  
STRAITS OF FLORIDA FROM OCEAN REEF TO CRAIG KEY OUT 20 NM-  
STRAITS OF FLORIDA FROM OCEAN REEF TO CRAIG KEY 20 TO 60 NM OUT-  
425 PM EDT MON SEP 16 2019  
   
..SMALL CRAFT SHOULD EXERCISE CAUTION FOR SEAS
 
 
   
TONIGHT
 
NORTHWEST WINDS NEAR 15 KNOTS, BECOMING NORTHWEST TO  
NORTH AND DECREASING TO 10 TO 15 KNOTS. SEAS 3 TO 6 FEET DUE TO  
NORTH SWELLS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THIS  
EVENING. ISOLATED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
TUESDAY
 
NORTHWEST TO NORTH WINDS NEAR 10 KNOTS. SEAS 2 TO 5  
FEET DUE TO NORTH SWELLS. ISOLATED SHOWERS AND THUNDERSTORMS.    
TUESDAY NIGHT
 
NORTH WINDS NEAR 10 KNOTS. SEAS 2 TO 5 FEET DUE  
TO NORTH SWELLS. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY AND WEDNESDAY NIGHT
 
NORTHEAST WINDS NEAR 15 KNOTS.  
SEAS 3 TO 6 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS  
NEAR 20 KNOTS. SEAS 4 TO 7 FEET. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
SATURDAY AND SATURDAY NIGHT
 
EAST WINDS NEAR 20 KNOTS. SEAS 5  
TO 8 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
 

 
 
GMZ053>055-073>075-170230-  
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 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-  
425 PM EDT MON SEP 16 2019  
   
TONIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING NORTHWEST TO  
NORTH AND DECREASING TO NEAR 10 KNOTS. SEAS 2 TO 4 FEET.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THIS EVENING.  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
TUESDAY
 
NORTHWEST TO NORTH WINDS NEAR 10 KNOTS. SEAS 2 TO 4  
FEET DUE TO NORTHEAST SWELLS. ISOLATED SHOWERS AND THUNDERSTORMS.   
TUESDAY NIGHT
 
NORTH WINDS NEAR 10 KNOTS. SEAS 2 TO 4 FEET DUE  
TO NORTHEAST SWELLS. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY AND WEDNESDAY NIGHT
 
NORTHEAST WINDS NEAR 15 KNOTS.  
SEAS 3 TO 6 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS  
NEAR 20 KNOTS. SEAS 4 TO 7 FEET. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
SATURDAY AND SATURDAY NIGHT
 
EAST WINDS NEAR 20 KNOTS. SEAS 5  
TO 8 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
 

 
 
GMZ033-034-170230-  
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-  
425 PM EDT MON SEP 16 2019  
   
TONIGHT
 
NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS. SEAS AROUND  
2 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THIS EVENING.  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
TUESDAY
 
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO  
2 FEET.    
TUESDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.    
WEDNESDAY
 
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3  
FEET. ISOLATED SHOWERS AND THUNDERSTORMS.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 3  
FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
NORTHEAST TO EAST WINDS  
NEAR 20 KNOTS. SEAS 3 TO 5 FEET. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.    
SATURDAY AND SATURDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS. SEAS 2  
TO 4 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.  
 

 
 
FUTTERMAN  
 
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