287  
FZNT31 KNHC 130313  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1013 PM EST TUE NOV 12 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.  
SHOWERS AND THUNDERSTORMS OVER THE CENTRAL  
CARIBBEAN SEA HAVE BECOME MORE ORGANIZED IN ASSOCIATED WITH A  
BROAD AREA OF LOW PRESSURE AND A TROPICAL WAVE MOVING ACROSS  
JAMAICA TONIGHT. ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR  
DEVELOPMENT, AND A TROPICAL DEPRESSION IS LIKELY TO FORM WITHIN  
THE NEXT COUPLE OF DAYS WHILE THE SYSTEM MOVES SLOWLY WESTWARD  
INTO THE WESTERN CARIBBEAN SEA. AFTERWARD, FURTHER DEVELOPMENT  
IS HIGHLY LIKELY WHILE THE DISTURBANCE MEANDERS OVER THE WESTERN  
CARIBBEAN SEA THROUGH THE WEEKEND. THE SYSTEM IS FORECAST BEGIN  
MOVING SLOWLY NW BY EARLY NEXT WEEK. REGARDLESS OF DEVELOPMENT,  
STRONG TO NEAR GALE FORCE WINDS, ROUGH SEAS AND HEAVY RAINS ARE  
EXPECTED OVER THE NW AND PORTIONS OF THE SW CARIBBEAN THROUGH  
EARLY NEXT WEEK. OTHERWISE, GENTLE TO MODERATE WINDS AND SLIGHT  
TO MODERATE SEAS WILL DOMINATE THE CENTRAL AND EASTERN CARIBBEAN  
THROUGH THE FORECAST PERIOD.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
WED  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU  
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT  
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI  
N WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
N WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SAT  
N WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SAT NIGHT  
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SUN  
N WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SUN NIGHT  
N WINDS 10 TO 20 KT. SEAS 8 TO 13 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT  
NE WINDS LESS THAN 10 KT S OF 18N, AND NE 10 TO 15 KT  
ELSEWHERE. SEAS 3 FT.    
WED  
S OF 18N, NE WINDS LESS THAN 10 KT, SHIFTING TO E IN THE  
AFTERNOON. ELSEWHERE, NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI  
SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
SAT  
E WINDS 20 TO 30 KT. SEAS 7 TO 10 FT.    
SAT NIGHT  
E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.    
SUN  
E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.    
SUN NIGHT  
E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TONIGHT  
W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
WED  
WITHIN 90 NM OF COAST OF COLOMBIA, SW WINDS 10 TO 15 KT.  
ELSEWHERE, W WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN  
THE AFTERNOON. SEAS 3 TO 4 FT.   
WED NIGHT  
WITHIN 90 NM OF COAST OF COLOMBIA, SW WINDS LESS  
THAN 10 KT. ELSEWHERE, W WINDS LESS THAN 10 KT, SHIFTING TO SW  
AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
THU  
WITHIN 90 NM OF COAST OF COLOMBIA, SW WINDS LESS THAN  
10 KT, INCREASING TO 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, SW  
WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT  
SW WINDS 10 TO 15 KT. 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 5 TO 7 FT.    
SAT  
SW WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
SAT NIGHT  
SW WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.    
SUN  
SW WINDS 15 TO 25 KT. SEAS 8 TO 13 FT.    
SUN NIGHT  
S WINDS 10 TO 20 KT. SEAS 8 TO 13 FT, SUBSIDING TO  
7 TO 10 FT AFTER MIDNIGHT.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 FT.    
WED  
SW WINDS 10 TO 15 KT. SEAS 3 FT.    
WED NIGHT  
SW WINDS 10 TO 15 KT. SEAS 3 FT.    
THU  
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT  
SW WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.    
FRI  
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
FRI NIGHT  
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SAT  
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT  
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN  
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TONIGHT  
GULF OF VENEZUELA, N WINDS LESS THAN 10 KT IN THE  
EVENING, BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, E  
WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO  
5 FT ELSEWHERE.    
WED  
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS GULF OF  
VENEZUELA, AND 3 TO 5 FT ELSEWHERE.    
WED NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
THU  
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS GULF OF  
VENEZUELA, AND 3 FT ELSEWHERE.    
THU NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 FT.    
FRI  
SE 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. SEAS 2 FT OR LESS,  
BUILDING TO 3 TO 4 FT AFTER MIDNIGHT.    
SAT  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SAT NIGHT  
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
SUN  
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 4 TO 6 FT.    
SUN NIGHT  
E WINDS 10 TO 15 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 5 TO 7 FT.    
WED  
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
WED NIGHT  
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
THU  
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
THU NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
FRI  
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
SAT  
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
SUN  
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
TONIGHT  
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 4 TO 6 FT.    
THU  
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 4 TO 6 FT.    
THU NIGHT  
E WINDS 10 TO 15 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  
E 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 4 TO 6 FT.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
MODERATE TO FRESH WINDS BEHIND AND AHEAD OF A COLD  
FRONT EXTENDING FROM 31N65W TO 24N70W WILL REACH FRESH TO STRONG  
SPEEDS TONIGHT. ROUGH SEAS WILL ALSO BUILD ACROSS THE REGION AS  
THE FRONT REACHES FROM 31N59W TO HISPANIOLA WED MORNING AND THEN  
EXIT THE WESTERN SUBTROPICAL ATLANTIC WATERS THU NIGHT. A SECOND  
COLD FRONT MAY ENTER THE NW OFFSHORE WATERS THU NIGHT INTO FRI,  
AFFECTING THE OFFSHORE WATERS N OF 27N WITH MAINLY MODERATE TO  
FRESH WINDS THROUGH THE WEEKEND.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TONIGHT  
NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.    
WED  
NE WINDS 20 TO 25 KT. SEAS 6 TO 9 FT.    
WED NIGHT  
E WINDS 15 TO 25 KT. SEAS 7 TO 9 FT.    
THU  
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
FRI  
NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
N WINDS 15 TO 20 KT. SEAS 8 TO 11 FT.    
SAT  
N WINDS 15 KT. SEAS 8 TO 11 FT.    
SAT NIGHT  
NE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.    
SUN  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT, SHIFTING TO E AFTER MIDNIGHT.  
SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TONIGHT  
N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
WED  
NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
WED NIGHT  
NE WINDS 15 TO 25 KT. SEAS 8 TO 10 FT W OF 70W, AND  
9 TO 13 FT ELSEWHERE.    
THU  
NE WINDS 10 TO 15 KT. SEAS 8 TO 10 FT W OF 70W, AND 10 TO  
13 FT ELSEWHERE.    
THU NIGHT  
NE WINDS 10 KT, SHIFTING TO NW LESS THAN 10 KT  
AFTER MIDNIGHT. SEAS 8 TO 11 FT.    
FRI  
W WINDS 10 TO 15 KT, INCREASING TO 15 TO 25 KT IN THE  
AFTERNOON. SEAS 8 TO 11 FT.    
FRI NIGHT  
W WINDS 15 TO 25 KT. SEAS 10 TO 15 FT.    
SAT  
NW WINDS 15 TO 25 KT. SEAS 11 TO 15 FT.    
SAT NIGHT  
N WINDS 10 TO 20 KT. SEAS 8 TO 12 FT.   
SUN  
N WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.    
SUN NIGHT  
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT  
AFTER MIDNIGHT. SEAS 6 TO 8 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED  
NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.    
WED NIGHT  
NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI  
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
FRI NIGHT  
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT NIGHT  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TONIGHT  
SE WINDS 10 TO 15 KT, SHIFTING TO N AFTER MIDNIGHT.  
SEAS 5 TO 7 FT.    
WED  
NE WINDS 15 TO 25 KT W OF 70W, AND N 10 TO 20 KT  
ELSEWHERE. SEAS 6 TO 8 FT.    
WED NIGHT  
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
THU  
NE WINDS 10 TO 20 KT. SEAS 8 TO 9 FT.    
THU NIGHT  
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT AFTER MIDNIGHT. SEAS 7 TO 10 FT.    
FRI  
NE WINDS LESS THAN 10 KT, SHIFTING TO SE IN THE  
AFTERNOON. SEAS 7 TO 9 FT.    
FRI NIGHT  
SW WINDS LESS THAN 10 KT, SHIFTING TO W AFTER  
MIDNIGHT. SEAS 7 TO 9 FT.    
SAT  
NW WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.    
SAT NIGHT  
N WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.   
SUN  
NE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT  
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT  
AFTER MIDNIGHT. SEAS 4 TO 6 FT.    
WED  
S WINDS LESS THAN 10 KT, SHIFTING TO N IN THE AFTERNOON.  
SEAS 3 TO 5 FT.    
WED NIGHT  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
FRI  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI NIGHT  
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.   
SAT  
NW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 4 TO 6 FT.    
SUN  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
WED  
S WINDS 10 KT. SEAS 5 TO 7 FT.    
WED NIGHT  
SW WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
THU  
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU NIGHT  
N WINDS 10 TO 15 KT, SHIFTING TO NE AFTER MIDNIGHT.  
SEAS 6 TO 8 FT.    
FRI  
E WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
SE WINDS 10 KT. SEAS 8 TO 9 FT.    
SAT  
S WINDS 10 TO 15 KT. SEAS 8 TO 9 FT.    
SAT NIGHT  
SW WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.    
SUN  
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SUN NIGHT  
W WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.  
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