697  
FZNT31 KNHC 091433  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1033 AM EDT THU MAY 9 2024  
 
MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC  
FROM 07N TO 19N W OF 55W, THE N ATLANTIC FROM 19N TO  
31N W OF 55W INCLUDING THE BAHAMAS, AND THE CARIBBEAN SEA.  
 
SEAS 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.  
 
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM  
07N TO 19N W OF 55W  
   
SYNOPSIS
 
THE ATLANTIC RIDGE EXTENDS FROM THE CENTRAL ATLANTIC  
WESTWARD TO CENTRAL FLORIDA, AND WILL SHIFT SLOWLY EASTWARD  
THROUGH THE WEEKEND. THIS PATTERN WILL SUPPORT MODERATE TO FRESH  
TRADE WINDS OVER THE SOUTH-CENTRAL AND SE CARIBBEAN THROUGH THE  
WEEKEND, WITH SOME INCREASING WINDS POSSIBLE EARLY NEXT WEEK.  
MEANWHILE, EXPECT PULSES OF FRESH TO LOCALLY STRONG E WINDS AT  
NIGHT ACROSS THE GULF OF HONDURAS INTO THE START OF NEXT WEEK  
DUE TO THE PRESSURE GRADIENT BETWEEN THE HIGH PRESSURE AND LOWER  
PRESSURE OVER CENTRAL AMERICA. GENTLE TO MODERATE WINDS AND  
MODERATE SEAS WILL PERSIST ELSEWHERE.  
 
NW CARIBBEAN W OF 85W  
   
THIS AFTERNOON
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN
 
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT
 
S OF 18N, E WINDS 10 TO 15 KT. ELSEWHERE, E WINDS  
LESS THAN 10 KT, SHIFTING TO SE AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
FRI
 
E WINDS 10 TO 15 KT S OF 18N, AND SE LESS THAN 10 KT  
ELSEWHERE. SEAS 3 TO 4 FT.    
FRI NIGHT
 
S OF 18N, E WINDS LESS THAN 10 KT, INCREASING TO  
10 TO 15 KT AFTER MIDNIGHT. ELSEWHERE, SE WINDS LESS THAN 10 KT.  
SEAS 3 FT.    
SAT
 
SE WINDS LESS THAN 10 KT. SEAS 3 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
SW CARIBBEAN S OF 11N  
   
THIS AFTERNOON
 
E WINDS LESS THAN 10 KT, BECOMING VARIABLE  
WINDS LESS THAN 10 KT. SEAS 3 FT.    
TONIGHT
 
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS THAN  
10 KT AFTER MIDNIGHT. SEAS 3 FT.    
FRI
 
SE WINDS LESS THAN 10 KT. SEAS 3 FT.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.    
SAT
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SUN
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SUN NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF  
VENEZUELA, AND 4 TO 6 FT ELSEWHERE.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF  
VENEZUELA, AND 4 TO 6 FT ELSEWHERE.    
FRI
 
E WINDS 10 TO 15 KT. GULF OF VENEZUELA, SEAS 3 FT IN THE  
MORNING, SUBSIDING TO 2 FT OR LESS. ELSEWHERE, SEAS 4 TO 6 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF  
VENEZUELA, AND 3 TO 5 FT ELSEWHERE.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
THIS AFTERNOON
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
TONIGHT
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.   
SAT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
MON
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
1023 MB HIGH PRESSURE IS CENTERED ACROSS THE CENTRAL  
ATLANTIC NEAR 31N38W AND EXTENDS A RIDGE WESTWARD TO CENTRAL  
FLORIDA. THE RIDGE WILL SHIFT SLOWLY EASTWARD THROUGH THE  
WEEKEND, AS A COLD FRONT APPROACHES FROM THE NW. FRESH TO STRONG  
SOUTHERLY WINDS WILL DEVELOP OFF OF NORTHEAST AND CENTRAL  
FLORIDA THIS EVENING, THEN BECOME SW AND SHIFT TO OFFSHORE OF  
NORTHEAST FLORIDA FRI THROUGH FRI EVENING. THE FRONT WILL MOVE  
OFFSHORE OF NORTHEAST FLORIDA EARLY FRI NIGHT AND ACROSS FLORIDA  
ON SAT, BRINGING MODERATE TO FRESH NW WINDS BEHIND IT. THE FRONT  
WILL WEAKEN SIGNIFICANTLY BY SUN AFTERNOON AS IT MOVES EAST OF  
65W.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
THIS AFTERNOON
 
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI
 
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 KT IN THE  
AFTERNOON. SEAS 5 TO 7 FT.    
SAT NIGHT
 
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT  
AFTER MIDNIGHT. SEAS 3 TO 5 FT.    
SUN
 
NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
MON
 
E WINDS LESS THAN 10 KT, SHIFTING TO SE IN THE AFTERNOON.  
SEAS 3 FT.    
MON NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
THIS AFTERNOON
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
W OF 70W, SW WINDS 10 TO 20 KT. ELSEWHERE, SW WINDS  
LESS THAN 10 KT, SHIFTING TO S AFTER MIDNIGHT. SEAS 3 TO 5 FT.    
FRI
 
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
SW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT NIGHT
 
W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN
 
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN NIGHT
 
NW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
MON
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
BAHAMAS N OF 22N  
   
THIS AFTERNOON
 
SE WINDS LESS THAN 10 KT. SEAS 3 FT.    
TONIGHT
 
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.    
FRI
 
S WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,  
SUBSIDING TO 2 FT OR LESS.    
FRI NIGHT
 
SE WINDS LESS THAN 10 KT, SHIFTING TO S AFTER  
MIDNIGHT. SEAS 2 FT OR LESS.    
SAT
 
SW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SAT NIGHT
 
SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SUN
 
W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SUN NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
THIS AFTERNOON
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
TONIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.   
FRI
 
SE WINDS 10 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
SW WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
SUN
 
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
W WINDS LESS THAN 10 KT IN THE EVENING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
THIS AFTERNOON
 
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
SAT
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SUN
 
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.   
SUN NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
THIS AFTERNOON
 
E WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.    
TONIGHT
 
E WINDS 10 KT. SEAS 5 TO 7 FT.    
FRI
 
E WINDS 10 KT. SEAS 4 TO 5 FT.    
FRI NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.   
SAT
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
SUN
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
E WINDS 10 KT. SEAS 3 TO 4 FT.    
MON
 
E WINDS 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS 10 KT. SEAS 3 TO 4 FT.  
 
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