967  
FZNT31 KNHC 140316  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1016 PM EST FRI DEC 13 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  
STRONG RIDGING OVER THE SE UNITED STATES WILL  
CONTINUE TO FORCE FRESH TO STRONG NE WINDS ACROSS THE CENTRAL  
AND W CARIBBEAN INCLUDING THROUGH THE WINDWARD PASSAGE UNTIL SUN  
NIGHT. A BROAD SURFACE TROUGH EXTENDING ACROSS THE EASTERN  
CARIBBEAN WILL GRADUALLY MOVE WESTWARD OVER THE NEXT FEW DAYS.  
THIS TROUGH WILL CAUSE THE PRESSURE GRADIENT TO RELAX ACROSS  
MOST OF THE CARIBBEAN, AND EARLY NEXT WEEK THE TRADES ACROSS THE  
CARIBBEAN SHOULD BE ONLY MODERATE OR WEAKER. LOOKING AHEAD, A  
BUILDING RIDGE MAY ENHANCE THE TRADES OVER THE CENTRAL CARIBBEAN  
STARTING ON TUE NIGHT.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SAT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 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 5 TO 7 FT.    
MON  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE  
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.   
TUE NIGHT  
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
WED  
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE  
WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
WED NIGHT  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT  
NE WINDS 10 TO 20 KT S OF 18N, AND NE 15 TO 25 KT  
ELSEWHERE. SEAS 5 TO 7 FT.    
SAT  
NE WINDS 10 TO 20 KT S OF 18N, AND NE 15 TO 25 KT  
ELSEWHERE. SEAS 6 TO 8 FT.    
SAT NIGHT  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TONIGHT  
NE WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.    
SAT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SAT NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.    
MON  
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT  
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
WED  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SAT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SAT NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN  
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 4 TO 6 FT.    
SUN NIGHT  
N WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
MON  
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
TUE  
NE WINDS LESS THAN 10 KT, SHIFTING TO N IN THE AFTERNOON.  
SEAS 3 TO 5 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED  
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT  
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF  
VENEZUELA, AND 4 TO 6 FT ELSEWHERE.    
SAT  
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. GULF OF VENEZUELA, SEAS 3 FT IN THE MORNING,  
SUBSIDING TO 2 FT OR LESS. ELSEWHERE, SEAS 4 TO 6 FT.    
SAT NIGHT  
NE WINDS 10 TO 15 KT GULF OF VENEZUELA, AND E LESS  
THAN 10 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND  
3 TO 5 FT ELSEWHERE.    
SUN  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.    
WED  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED 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  
   
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON  
E WINDS 10 TO 15 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, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 4 TO 6 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT  
AFTER MIDNIGHT. SEAS 5 TO 7 FT.    
WED  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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 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 5 TO 7 FT.    
WED  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
A STATIONARY FRONT THAT EXTENDS FROM JUST EAST OF  
BERMUDA TO CENTRAL CUBA SHOULD DISSIPATE TONIGHT. A 1009 MB LOW  
NEAR 21N65W SITS ALONG A NORTH-SOUTH ORIENTED TROUGH. AS THE  
LOW/TROUGH SHIFTS WESTWARD, A LARGE AREA OF STRONG TO NEAR GALE  
NE WINDS AND VERY ROUGH SEAS WILL SET UP OVER ALL OF THE WATERS  
WEST OF 65W DURING THE WEEKEND. AS THE PRESSURE GRADIENT  
TIGHTENS BETWEEN THE LOW/TROUGH AND HIGH PRESSURE OVER THE US  
MID-ATLANTIC WATERS, PEAK WINDS SHOULD REACH GALE FORCE LATER  
TONIGHT THROUGH SAT NIGHT BETWEEN THE WATERS OF THE BAHAMAS AND  
BERMUDA. DURING SUN AND MON, CONDITIONS WILL GRADUALLY IMPROVE,  
AND BY TUE AND WED WINDS WILL BE REDUCED TO MODERATE TO FRESH  
ACROSS THE ENTIRE AREA.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TONIGHT  
NE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.    
SAT  
NE WINDS 20 TO 30 KT. SEAS 10 TO 15 FT.    
SAT NIGHT  
E WINDS 20 TO 30 KT. SEAS 13 TO 17 FT.   
SUN  
NE WINDS 15 TO 25 KT. SEAS 13 TO 17 FT.    
SUN NIGHT  
E WINDS 15 TO 25 KT. SEAS 12 TO 15 FT.    
MON  
E WINDS 15 TO 25 KT. SEAS 10 TO 14 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 9 TO 12 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 8 TO 10 FT.    
TUE NIGHT  
SE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.    
WED  
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
WED NIGHT  
SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
..GALE WARNING  
 
   
TONIGHT  
NE WINDS 20 TO 35 KT. SEAS 9 TO 14 FT.    
SAT  
NE WINDS 20 TO 35 KT. SEAS 12 TO 17 FT.    
SAT NIGHT  
NE WINDS 20 TO 35 KT. SEAS 16 TO 18 FT W OF 70W,  
AND 12 TO 17 FT ELSEWHERE.    
SUN  
NE WINDS 20 TO 30 KT. SEAS 14 TO 18 FT W OF 70W, AND  
12 TO 16 FT ELSEWHERE.    
SUN NIGHT  
E WINDS 20 TO 25 KT. SEAS 12 TO 16 FT.    
MON  
E WINDS 15 TO 25 KT. SEAS 10 TO 14 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 9 TO 12 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 8 TO 10 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.    
WED  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
WED NIGHT  
SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT  
NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
SAT  
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SAT NIGHT  
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
SUN  
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
SUN NIGHT  
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 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.    
WED  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TONIGHT  
NE WINDS 15 TO 25 KT. SEAS 9 TO 13 FT.    
SAT  
NE WINDS 20 TO 30 KT W OF 70W, AND E 15 TO 20 KT  
ELSEWHERE. SEAS 11 TO 16 FT W OF 70W, AND 9 TO 14 FT ELSEWHERE.    
SAT NIGHT  
NE WINDS 20 TO 30 KT W OF 70W, AND E 10 TO 20 KT  
ELSEWHERE. SEAS 12 TO 17 FT W OF 70W, AND 9 TO 14 FT ELSEWHERE.    
SUN  
NE WINDS 15 TO 25 KT W OF 70W, AND E 10 TO 20 KT  
ELSEWHERE. SEAS 12 TO 17 FT W OF 70W, AND 9 TO 14 FT ELSEWHERE.    
SUN NIGHT  
E WINDS 15 TO 25 KT. SEAS 9 TO 14 FT.    
MON  
E WINDS 10 TO 20 KT. SEAS 8 TO 13 FT.    
MON NIGHT  
E WINDS 10 TO 20 KT. SEAS 9 TO 12 FT.    
TUE  
E WINDS 15 TO 20 KT. SEAS 9 TO 11 FT.    
TUE NIGHT  
E WINDS 15 TO 20 KT. SEAS 9 TO 10 FT.    
WED  
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.    
WED NIGHT  
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT  
NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.    
SAT  
NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SUN  
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
MON  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
WED  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.    
SAT  
SE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.    
SUN  
E WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.    
MON  
E WINDS 10 TO 15 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 20 KT. SEAS 7 TO 9 FT.    
WED  
E WINDS 10 TO 20 KT. SEAS 8 TO 9 FT.    
WED NIGHT  
E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.  
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