650  
FZNT31 KNHC 282122  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
522 PM EDT TUE MAR 28 2017  
 
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 ATLC FROM 07N TO 19N  
BETWEEN 55W AND 64W  
   
SYNOPSIS
 
HIGH PRES BUILDING N OF THE CENTRAL CARIBBEAN WILL  
BRING AN INCREASE IN WINDS ACROSS MOST OF THE CARIBBEAN WATERS.  
N SWELL WILL PROPAGATE INTO THE TROPICAL N ATLC ZONES WED  
THROUGH THU NIGHT.  
 
NW CARIBBEAN W OF 85W  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT
 
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TONIGHT...S OF 18N...E WINDS LESS THAN 10 KT. ELSEWHERE
 
E  
WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT AFTER  
MIDNIGHT. SEAS 2 FT OR LESS.    
WED...S OF 18N...E WINDS LESS THAN 10 KT
 
INCREASING TO 10 TO  
15 KT IN THE AFTERNOON. ELSEWHERE...E WINDS 10 TO 15 KT. SEAS  
3 TO 4 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT
 
SE 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 15 KT. SEAS 3 TO 5 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TONIGHT...WITHIN 90 NM OF COAST OF COLOMBIA
 
NE WINDS 10 TO  
15 KT. ELSEWHERE...NE WINDS LESS THAN 10 KT...INCREASING TO  
10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
FRI
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 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 5 TO 7 FT.    
SUN NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
SW CARIBBEAN S OF 11N  
   
TONIGHT...NE WINDS LESS THAN 10 KT
 
SHIFTING TO N AFTER  
MIDNIGHT. SEAS 3 TO 4 FT.    
WED...NE WINDS 10 TO 15 KT
 
DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 4 FT.    
WED NIGHT...NE WINDS LESS THAN 10 KT
 
INCREASING TO 10 TO  
15 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
THU...NE WINDS 10 TO 15 KT
 
SHIFTING TO N IN THE AFTERNOON.  
SEAS 3 TO 5 FT.    
THU NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SAT...SE WINDS LESS THAN 10 KT
 
SHIFTING TO SW IN THE  
AFTERNOON. SEAS 3 TO 5 FT.    
SAT NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
SUN...VARIABLE WINDS LESS THAN 10 KT
 
BECOMING SW LESS THAN  
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT.    
SUN NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TONIGHT...NE WINDS 10 TO 20 KT GULF OF VENEZUELA
 
AND E LESS  
THAN 10 KT ELSEWHERE. SEAS 3 TO 4 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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 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.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
TONIGHT...SE WINDS 10 TO 15 KT
 
DIMINISHING TO LESS THAN 10 KT  
AFTER MIDNIGHT. SEAS 3 TO 5 FT.    
WED
 
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
THU
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI
 
E WINDS LESS THAN 10 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 5 TO 7 FT.    
SUN...E WINDS 10 TO 15 KT
 
DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 6 TO 9 FT.    
SUN NIGHT
 
E WINDS LESS THAN 10 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 4 TO 6 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT
 
E WINDS 10 TO 20 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 6 TO 8 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.  
 
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
BROAD LOW PRES OF 1004 MB CENTERED NEAR 28N64W WILL  
SUPPORT STRONG TO NEAR GALE FORCE WINDS ACROSS FAR NE FORECAST  
WATERS EARLY TONIGHT. THE LOW WILL TRACK FURTHER FROM THE AREA  
WHICH WILL BEING A DECREASE IN WINDS AND SEAS. WEAK HIGH PRES  
OVER THE W WATERS WILL SHIFT SE THU AFTERNOON THROUGH SAT AS A  
COLD FRONT MOVES S OVER THE NE WATERS. ANOTHER COLD FRONT WILL  
REACH THE NW WATERS SAT AND SHIFT ACROSS THE NORTHERN WATERS  
THROUGH SUN.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TONIGHT...VARIABLE WINDS LESS THAN 10 KT
 
BECOMING SE LESS  
THAN 10 KT AFTER MIDNIGHT. SEAS 5 TO 6 FT.    
WED...S WINDS LESS THAN 10 KT
 
SHIFTING TO SW IN THE  
AFTERNOON. SEAS 5 TO 6 FT.    
WED NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
THU
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
THU NIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI
 
S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
S WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SAT
 
SW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
SAT NIGHT...W WINDS 10 TO 20 KT
 
BECOMING N LESS THAN 10 KT  
AFTER MIDNIGHT. SEAS 5 TO 7 FT.    
SUN...VARIABLE WINDS LESS THAN 10 KT
 
BECOMING NE LESS THAN  
10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT.    
SUN NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
TONIGHT...N WINDS LESS THAN 10 KT W OF 70W
 
AND N 20 TO 30 KT  
ELSEWHERE. SEAS 6 TO 8 FT W OF 70W...AND 10 TO 15 FT ELSEWHERE.    
WED...W WINDS LESS THAN 10 KT W OF 70W
 
AND N 15 TO 25 KT  
ELSEWHERE. SEAS 5 TO 7 FT W OF 70W...AND 8 TO 11 FT ELSEWHERE.    
WED NIGHT...NW WINDS LESS THAN 10 KT W OF 70W
 
AND NW 10 TO  
15 KT ELSEWHERE. SEAS 5 TO 6 FT W OF 70W...AND 7 TO 10 FT  
ELSEWHERE.    
THU...W OF 70W...N WINDS LESS THAN 10 KT
 
INCREASING TO 10 TO  
15 KT IN THE AFTERNOON. ELSEWHERE...NW WINDS 10 TO 15 KT. SEAS  
6 TO 8 FT.    
THU NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT
 
S WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT NIGHT
 
SW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SUN
 
NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SUN NIGHT
 
N WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.  
 
BAHAMAS N OF 22N  
   
TONIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.   
WED...E WINDS 10 TO 15 KT
 
DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
WED NIGHT...E WINDS LESS THAN 10 KT
 
INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 5 FT.    
THU...E WINDS 10 TO 15 KT
 
DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 4 FT.    
THU NIGHT...E WINDS LESS THAN 10 KT
 
INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 TO 4 FT.    
FRI
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT...S WINDS 10 TO 15 KT. SEAS 3 FT IN THE MORNING
 
SUBSIDING  
TO 2 FT OR LESS.    
SAT NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 3 FT.    
SUN...SE WINDS LESS THAN 10 KT IN THE MORNING
 
BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.    
SUN NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
TONIGHT
 
N WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
WED...W OF 70W...NE WINDS 10 TO 15 KT
 
SHIFTING TO N IN THE  
AFTERNOON. ELSEWHERE...N WINDS 10 TO 20 KT. SEAS 6 TO 7 FT W OF  
70W...AND 7 TO 10 FT ELSEWHERE.    
WED NIGHT...N WINDS LESS THAN 10 KT W OF 70W
 
AND N 10 TO  
15 KT ELSEWHERE. SEAS 5 TO 6 FT W OF 70W...AND 6 TO 9 FT  
ELSEWHERE.    
THU...W OF 70W...N WINDS LESS THAN 10 KT IN THE MORNING
 
 
BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE...NW WINDS  
10 KT. SEAS 5 TO 7 FT.    
THU NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
FRI
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
FRI NIGHT...SE WINDS LESS THAN 10 KT
 
INCREASING TO 10 TO  
15 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SAT NIGHT
 
S WINDS 10 KT. SEAS 6 TO 8 FT.    
SUN
 
SW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.    
SUN NIGHT
 
N WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
TONIGHT...NW WINDS LESS THAN 10 KT
 
SHIFTING TO N AFTER  
MIDNIGHT. SEAS 4 TO 6 FT.    
WED...N WINDS 10 TO 15 KT
 
SHIFTING TO NE IN THE AFTERNOON.  
SEAS 4 TO 6 FT.    
WED NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
THU
 
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
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
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT...SE WINDS 10 TO 15 KT
 
DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
TONIGHT
 
SW WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
WED
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU
 
N WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.    
THU NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.    
FRI...NE WINDS LESS THAN 10 KT IN THE MORNING
 
BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.    
FRI NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.   
SAT...E WINDS 10 KT. SEAS 4 TO 6 FT
 
BUILDING TO 6 TO 9 FT IN  
THE AFTERNOON.    
SAT NIGHT
 
E WINDS 10 KT. SEAS 6 TO 9 FT.    
SUN
 
SE WINDS LESS THAN 10 KT. SEAS 8 TO 9 FT.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 7 TO 9 FT.  
 
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