273  
FZNT31 KNHC 250208  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1008 PM EDT MON MAR 24 2025  
 
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  
FRESH TO STRONG E TO NE WINDS OFFSHORE OF COLOMBIA  
AND VENEZUELA WILL PULSE TO GALE FORCE OFFSHORE OF COLOMBIA  
TONIGHT AND TUE NIGHT. THESE WINDS WILL THEN PULSE TO NEAR GALE  
FORCE AT NIGHT THROUGH FRI. FRESH TO OCCASIONALLY STRONG NE  
WINDS WILL PULSE IN THE WINDWARD PASSAGE TONIGHT. FRESH TO  
STRONG SE WINDS WILL EXTEND ACROSS THE GULF OF HONDURAS INTO  
WED.  
 
NW CARIBBEAN W OF 85W  
   
OVERNIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
WED  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SAT  
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
OVERNIGHT  
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO 15 KT  
ELSEWHERE. SEAS 7 TO 10 FT S OF 18N, AND 4 TO 6 FT ELSEWHERE.    
TUE  
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO 15 KT  
ELSEWHERE. SEAS 6 TO 9 FT S OF 18N, AND 3 TO 5 FT ELSEWHERE.    
TUE NIGHT  
E WINDS 10 TO 20 KT S OF 18N, AND NE LESS THAN  
10 KT ELSEWHERE. SEAS 6 TO 9 FT S OF 18N, AND 3 TO 5 FT  
ELSEWHERE.    
WED  
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, NE WINDS 10 TO  
15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS  
6 TO 8 FT S OF 18N, AND 3 TO 5 FT ELSEWHERE.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI  
E WINDS 10 TO 20 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 15 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
..GALE WARNING  
 
   
OVERNIGHT  
E WINDS 25 TO 35 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND NE 15 TO 25 KT ELSEWHERE. SEAS 8 TO 11 FT.    
TUE  
E WINDS 20 TO 30 KT WITHIN 90 NM OF COAST OF COLOMBIA,  
AND E 15 TO 25 KT ELSEWHERE. SEAS 8 TO 13 FT.    
TUE NIGHT  
E WINDS 25 TO 35 KT WITHIN 90 NM OF COAST OF  
COLOMBIA, AND NE 15 TO 25 KT ELSEWHERE. SEAS 8 TO 11 FT.    
WED  
NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
WED NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
THU  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
THU NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
FRI  
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
FRI NIGHT  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.  
 
SW CARIBBEAN S OF 11N  
   
OVERNIGHT  
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.    
TUE  
NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.    
TUE NIGHT  
N WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.    
WED  
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
THU  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
THU NIGHT  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
FRI NIGHT  
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SAT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
OVERNIGHT  
E WINDS 25 TO 30 KT GULF OF VENEZUELA, AND E 15 TO  
25 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO 9 FT  
ELSEWHERE.    
TUE  
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 15 TO 25 KT  
ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 7 TO 10 FT  
ELSEWHERE.    
TUE NIGHT  
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO  
20 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO 9 FT  
ELSEWHERE.    
WED  
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT  
ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 6 TO 8 FT  
ELSEWHERE.    
WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI  
E WINDS 10 TO 20 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.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
OVERNIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
WED  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
THU NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
FRI  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SAT 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  
   
OVERNIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.    
WED  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
WED NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
THU  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS  
HIGH PRESSURE OVER THE WESTERN ATLANTIC WILL SUPPORT  
GENTLE BREEZES AND SLIGHT TO MODERATE SEAS NORTH OF 22N THROUGH  
WED. THE AREA OF HIGH PRESSURE WILL SHIFT EASTWARD ENABLING A  
WEAK COLD FRONT TO MOVE OFF THE NORTHEAST FLORIDA COAST TONIGHT.  
FRESH TO LOCALLY STRONG WINDS ARE LIKELY TO PULSE OFF THE  
NORTHERN COAST OF HISPANIOLA INTO WED. ANOTHER COLD FRONT MAY  
MOVE INTO WATERS BETWEEN NORTHEAST FLORIDA AND BERMUDA WED.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
OVERNIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE  
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.   
TUE NIGHT  
SW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.    
WED  
NW WINDS 10 TO 15 KT. SEAS 3 FT.    
WED NIGHT  
NE WINDS 10 TO 15 KT. SEAS 3 FT.    
THU  
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT  
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT  
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT NIGHT  
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
OVERNIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE  
W OF 70W, S WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS 10 TO 15 KT. SEAS  
3 TO 5 FT.    
TUE NIGHT  
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.    
WED  
W OF 70W, SW WINDS 10 TO 15 KT, SHIFTING TO W IN THE  
AFTERNOON. ELSEWHERE, S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT  
W WINDS 10 TO 15 KT, SHIFTING TO NE AFTER MIDNIGHT.  
SEAS 3 TO 5 FT.    
THU  
NE WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.    
THU NIGHT  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 
BAHAMAS N OF 22N  
   
OVERNIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT.    
WED  
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS, BUILDING TO  
3 FT IN THE AFTERNOON.    
WED NIGHT  
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT  
AFTER MIDNIGHT. SEAS 3 FT.    
THU  
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT  
NE 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 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.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
OVERNIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE NIGHT  
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED  
W OF 70W, SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN  
10 KT IN THE AFTERNOON. ELSEWHERE, SE WINDS 10 TO 15 KT. SEAS  
5 TO 7 FT.    
WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
THU  
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT  
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI  
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.    
SAT  
E WINDS 15 TO 20 KT. SEAS 8 TO 11 FT.    
SAT NIGHT  
E WINDS 15 TO 20 KT. SEAS 8 TO 11 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
OVERNIGHT  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TUE  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TUE NIGHT  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED  
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT  
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
FRI  
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT  
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.    
SAT NIGHT  
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
OVERNIGHT  
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.    
TUE  
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.    
TUE NIGHT  
E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.    
WED  
E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.    
WED NIGHT  
E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.    
THU  
SE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.    
THU NIGHT  
SE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.    
FRI  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.    
SAT  
E WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.    
SAT NIGHT  
E WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.  
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