204  
FZNT31 KNHC 232035  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
435 PM EDT THU MAR 23 2023  
 
MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC  
FROM 07N TO 22N BETWEEN 55W AND 64W, THE SW N ATLANTIC S OF  
31N W OF 65W INCLUDING 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 BETWEEN 55W AND 64W  
   
SYNOPSIS
 
THE GRADIENT BETWEEN AN ATLANTIC HIGH PRESSURE RIDGE  
AND LOWER PRESSURE OVER COLOMBIA WILL CONTINUE TO INDUCE STRONG  
WINDS OVER THE SOUTH-CENTRAL CARIBBEAN SEA, WITH PULSING NEAR  
GALE TO MINIMAL GALE-FORCE WINDS AT NIGHT NEAR THE COAST OF  
COLOMBIA THROUGH THE FORECAST PERIOD. FRESH TRADES WILL PREVAIL  
ELSEWHERE THROUGH THE WEEKEND. PULSING STRONG WINDS WILL DEVELOP  
IN THE WINDWARD PASSAGE AND SOUTH OF HISPANIOLA BEGINNING THIS  
EVENING AND PERSIST THROUGH THE WEEKEND. STRONG TRADE WINDS WILL  
DEVELOP OVER THE GULF OF HONDURAS FRI NIGHT AND CONTINUE INTO  
EARLY NEXT WEEK.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.    
FRI NIGHT
 
SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
SAT
 
SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SUN
 
SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SUN NIGHT
 
SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
MON
 
SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
MON NIGHT
 
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
TUE
 
SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.    
TUE NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
..GALE WARNING
 
   
..GALE CONDITIONS POSSIBLE AT NIGHT SAT THROUGH TUE
 
 
   
TONIGHT
 
S OF 12N BETWEEN 74W AND 75.5W NE TO E WINDS 30 TO 35  
KT. SEAS 9 TO 12 FT. ELSEWHERE, NE TO E WINDS 20 TO 30 KT. SEAS  
8 TO 10 FT.    
FRI
 
NE TO E WINDS 15 TO 25 KT. SEAS 7 TO 11 FT.   
FRI NIGHT
 
S OF 12N BETWEEN 74W AND 75W NE TO E WINDS 30 TO 35  
KT. SEAS 9 TO 12 FT. ELSEWHERE, NE TO E WINDS 20 TO 30 KT. SEAS  
8 TO 10 FT. ELSEWHERE, NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10  
FT.   
SAT
 
NE TO E WINDS 15 TO 25 KT. SEAS 7 TO 11 FT.   
SAT NIGHT
 
S OF 12N BETWEEN 74W AND 75W NE TO E WINDS 30 TO 35  
KT. SEAS 9 TO 12 FT. ELSEWHERE, NE TO E WINDS 20 TO 30 KT. SEAS  
8 TO 10 FT. ELSEWHERE, NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10  
FT.   
SUN
 
NE TO E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.   
SUN NIGHT
 
S OF 12N BETWEEN 74W AND 75W NE TO E WINDS 30 TO 35  
KT. SEAS 9 TO 12 FT. ELSEWHERE, NE TO E WINDS 20 TO 30 KT. SEAS  
8 TO 10 FT. ELSEWHERE, NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10  
FT.   
MON
 
NE TO E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.   
MON NIGHT
 
S OF 12N BETWEEN 74W AND 75W NE TO E WINDS 30 TO 35  
KT. SEAS 9 TO 12 FT. ELSEWHERE, NE TO E WINDS 20 TO 30 KT. SEAS  
8 TO 10 FT.    
TUE
 
NE TO E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.   
TUE NIGHT
 
S OF 12N BETWEEN 74W AND 75W NE TO E WINDS 25 TO 35  
KT. SEAS 9 TO 11 FT. ELSEWHERE, NE TO E WINDS 15 TO 25 KT. SEAS  
8 TO 10 FT.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI
 
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
FRI NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SUN
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON
 
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
MON NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
TUE
 
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
TUE NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TONIGHT
 
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND NE 10 TO  
20 KT ELSEWHERE. SEAS 5 TO 7 FT.    
FRI
 
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,  
AND 5 TO 7 FT ELSEWHERE.    
FRI NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT GULF OF  
VENEZUELA, AND 5 TO 7 FT ELSEWHERE.    
SAT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,  
AND 5 TO 7 FT ELSEWHERE.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SUN
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
MON NIGHT
 
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.   
FRI NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SUN
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SUN NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
A STATIONARY FRONT EXTENDS FROM 28N55W TO 23N70W AND  
TO CENTRAL CUBA. THE NORTHERN PORTION OF THE FRONT WILL  
TRANSITION BACK TO A COLD FRONT TONIGHT AND MOVE SOUTHEASTWARD  
THROUGH THU NIGHT, REACHING FROM NEAR 25N55W TO 23N63W EARLY FRI  
BEFORE DISSIPATING. FRESH TO STRONG NORTHEAST WINDS AND HIGH  
SEAS WILL CONTINUE BEHIND THIS FRONT NORTH OF 26N AND EAST OF 64W  
THROUGH TONIGHT. HIGH PRESSURE WILL SETTLE IN NEAR 29N66W LATE  
FRI, WITH AN E TO W RIDGE EXTENDING WESTWARD TO CENTRAL FLORIDA.  
FRESH SOUTHERLY WINDS ARE EXPECTED OFFSHORE NORTHEAST FLORIDA FRI  
NIGHT AND LAST INTO SAT NIGHT AS A WEAK FRONTAL BOUNDARY MOVES  
JUST OFFSHORE SOUTHEASTERN GEORGIA AND NE FLORIDA. THE HIGH  
PRESSURE WILL THEN BE NUDGED SOUTHWARD THROUGH LATE TUE AS A COLD  
FRONT APPROACHES 31N.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TONIGHT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI
 
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI NIGHT
 
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE
 
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
TUE NIGHT
 
SW TO W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TONIGHT
 
SE WINDS LESS THAN 10 KT W OF 70W, AND E 10 TO 15 KT  
ELSEWHERE. SEAS 6 TO 8 FT.    
FRI
 
S WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
S WINDS 10 TO 15 KT W OF 70W, AND S LESS THAN 10 KT  
ELSEWHERE. SEAS 4 TO 6 FT.    
SAT
 
S WINDS 10 TO 15 KT W OF 70W, AND SW LESS THAN 10 KT  
ELSEWHERE. SEAS 4 TO 5 FT.    
SAT NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
SUN
 
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.   
SUN NIGHT
 
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
MON
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.   
TUE
 
SW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.   
TUE NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E TO SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
TUE
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.   
TUE NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
TUE
 
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.   
TUE NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT
 
E WINDS 10 TO 20 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 5 TO 7 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
FRI NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 7 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.    
SAT NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON
 
E WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.  
 
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