429  
FZNT31 KNHC 040916  
OFFN20  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
516 AM EDT WED OCT 4 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
 
TROPICAL STORM PHILIPPE IS NEAR 20.5N 65.5W AT 5 AM  
EDT, AND IS MOVING NORTHWEST AT 8 KT. MAXIMUM SUSTAINED WINDS  
ARE 40 KT WITH GUSTS TO 50 KT, AND THE MINIMUM CENTRAL PRESSURE  
IS 1004 MB. PHILIPPE WILL MAINTAIN INTENSITY AS IT MOVES TO NEAR  
21.4N 65.8W THIS AFTERNOON, TO NEAR 23.3N 66.0W LATE TONIGHT,  
THEN STRENGTHEN SLIGHTLY AS IT MOVES TO NEAR 26.0N 66.0W THU  
AFTERNOON WITH MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.  
PHILIPPE WILL CONTINUE TO PULL FARTHER NORTH AND WELL AWAY FROM  
THE AREA THROUGH FRI. ROUGH SEAS ACROSS THE FORECAST ZONES EAST  
OF THE LEEWARD ISLANDS GENERATED BY PHILIPPE WILL SUBSIDE THIS  
MORNING. LIGHT TO GENTLE TRADE WINDS WILL BE OVER THE BASIN  
THROUGH THE NEXT FEW DAYS, EXCEPT FOR MODERATE TO FRESH  
SOUTHERLY WINDS IN THE EASTERN CARIBBEAN TODAY. SCATTERED TO  
NUMEROUS THUNDERSTORMS BEHIND A TROPICAL WAVE THAT IS NEAR 55W  
MAY MOVE INTO THE CENTRAL AND SOUTHERN PORTIONS OF THE TROPICAL  
N ATLANTIC ZONES TONIGHT INTO THU. THIS ACTIVITY IS ACCOMPANIED  
BY STRONG EASTERLY WINDS.  
 
NW CARIBBEAN W OF 85W  
   
TODAY
 
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 FT.    
THU
 
SE WINDS 10 TO 15 KT, SHIFTING TO E IN THE AFTERNOON.  
SEAS 3 FT IN THE MORNING, SUBSIDING TO 2 FT OR LESS.    
THU NIGHT
 
NE WINDS LESS THAN 10 KT, SHIFTING TO E AFTER  
MIDNIGHT. SEAS 2 FT OR LESS.    
FRI
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
FRI NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT
 
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SUN
 
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
 
CARIBBEAN N OF 15N BETWEEN 72W AND 85W  
   
TODAY
 
S WINDS LESS THAN 10 KT S OF 18N, AND E 10 TO 15 KT  
ELSEWHERE. SEAS 2 FT OR LESS.    
TONIGHT
 
S OF 18N, W WINDS LESS THAN 10 KT, SHIFTING TO SE  
AFTER MIDNIGHT. ELSEWHERE, E WINDS 10 TO 15 KT. SEAS 2 FT OR  
LESS.    
THU
 
SW WINDS LESS THAN 10 KT S OF 18N, AND SE 10 TO 15 KT  
ELSEWHERE. SEAS 2 FT OR LESS.    
THU NIGHT
 
S OF 18N, S WINDS LESS THAN 10 KT. ELSEWHERE, NW  
WINDS LESS THAN 10 KT, SHIFTING TO E AFTER MIDNIGHT. SEAS 2 FT  
OR LESS.    
FRI
 
S OF 18N, S WINDS LESS THAN 10 KT. ELSEWHERE, SE TO S  
WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.   
FRI NIGHT
 
S OF 18N, SE WINDS LESS THAN 10 KT. ELSEWHERE, SW  
WINDS 10 TO 15 KT, SHIFTING TO SE AFTER MIDNIGHT. SEAS 2 FT OR  
LESS.    
SAT
 
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SUN
 
E WINDS 10 TO 15 KT S OF 18N, AND E LESS THAN 10 KT  
ELSEWHERE. SEAS 2 FT OR LESS.  
 
CARIBBEAN FROM 11N TO 15N W OF 72W  
   
TODAY
 
S WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
TONIGHT
 
SW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
THU
 
SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
THU NIGHT
 
SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
FRI
 
S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
FRI NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT
 
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SUN
 
WITHIN 90 NM OF COAST OF COLOMBIA, E WINDS 10 TO 15 KT,  
DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, E  
WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.  
 
SW CARIBBEAN S OF 11N  
   
TODAY
 
SW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
TONIGHT
 
SW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
THU
 
S TO SW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.   
THU NIGHT
 
SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
FRI
 
SE TO S WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.   
FRI NIGHT
 
E WINDS LESS THAN 10 KT IN THE EVENING, BECOMING  
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT
 
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT NIGHT
 
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SUN
 
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
 
CARIBBEAN BETWEEN 64W AND 72W  
   
TODAY
 
GULF OF VENEZUELA, NE WINDS LESS THAN 10 KT IN THE  
MORNING, BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, SE  
WINDS 10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO  
4 FT ELSEWHERE.    
TONIGHT
 
N WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE  
10 TO 20 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND  
3 TO 4 FT ELSEWHERE.    
THU
 
W WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE 10 TO  
15 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO  
4 FT ELSEWHERE.    
THU NIGHT
 
GULF OF VENEZUELA, NW WINDS LESS THAN 10 KT IN THE  
EVENING, BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, E  
WINDS 10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO  
4 FT ELSEWHERE.    
FRI
 
VARIABLE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE  
10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND  
3 TO 4 FT ELSEWHERE.    
FRI NIGHT
 
NE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND E  
10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND  
3 TO 5 FT ELSEWHERE.    
SAT
 
E WINDS 10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA,  
AND 3 TO 5 FT ELSEWHERE.    
SAT NIGHT
 
E WINDS 10 TO 20 KT. SEAS 2 FT OR LESS GULF OF  
VENEZUELA, AND 3 TO 5 FT ELSEWHERE.    
SUN
 
E WINDS 10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA,  
AND 3 TO 5 FT ELSEWHERE.  
 
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO  
19N W OF 55W  
   
TODAY
 
SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
TONIGHT
 
SE WINDS 15 TO 25 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 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 3 TO 5 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO  
15N W OF 55W  
   
TODAY
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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
 
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
E WINDS 10 TO 20 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 4 TO 6 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS  
   
SYNOPSIS
 
TROPICAL STORM PHILIPPE IS NEAR 20.5N 65.5W AT 5 AM  
EDT, AND IS MOVING NORTHWEST AT 8 KT. MAXIMUM SUSTAINED WINDS  
ARE 40 KT WITH GUSTS TO 50 KT, AND THE MINIMUM CENTRAL PRESSURE  
IS 1004 MB. PHILIPPE WILL MAINTAIN INTENSITY AS IT MOVES TO NEAR  
21.4N 65.8W THIS AFTERNOON, TO NEAR 23.3N 66.0W LATE TONIGHT,  
THEN STRENGTHEN SLIGHTLY AS IT MOVES TO NEAR 26.0N 66.0W THU  
AFTERNOON WITH MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT, TO NEAR  
29.0N 65.5W LATE THU NIGHT, AND TO NORTH OF THE AREA NEAR 32.0N  
65.0W FRI AFTERNOON WITH MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60  
KT. PHILIPPE IS FORECAST TO BE WELL NORTH OF THE AREA BY LATE SAT  
AS IT TRANSITIONS TO AN EXTRATROPICAL SYSTEM. OTHERWISE, A  
DISSIPATING COLD FRONT EXTENDS FROM NEAR 31N54W TO 25N68W AND TO  
WEST-CENTRAL CUBA. THE NORTHERN PORTION OF THE COLD FRONT WILL  
SHIFT EAST OF THE AREA TODAY AS A TROUGH, WHILE THE REMAINDER OF  
THE FRONT IS EXPECTED TO DISSIPATE LATE THIS MORNING OR EARLY  
AFTERNOON. THE GRADIENT OVER THE WESTERN PART OF THE AREA WILL  
SUPPORT FRESH NORTHEAST WINDS NORTH OF THE BAHAMAS THROUGH  
TONIGHT, THEN DIMINISH AFTERWARD.  
 
ATLC WATERS FROM 27N TO 31N W OF 77W  
   
TODAY
 
NE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.    
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.    
THU
 
NE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.    
THU NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 6 FT.    
FRI
 
N WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
FRI NIGHT
 
NW WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SAT
 
NW WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SAT NIGHT
 
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN
 
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.  
 
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W  
   
..TROPICAL STORM WARNING
 
 
   
TODAY
 
E WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.    
TONIGHT
 
E WINDS 10 TO 20 KT W OF 70W, AND E 15 TO 25 KT  
ELSEWHERE. SEAS 7 TO 8 FT.    
THU
 
TROPICAL STORM CONDITIONS POSSIBLE. W OF 70W, NE WINDS  
10 TO 20 KT. ELSEWHERE, E WINDS 15 TO 25 KT, INCREASING TO 25 TO  
35 KT IN THE AFTERNOON. SEAS 6 TO 9 FT.    
THU NIGHT
 
TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 10 TO  
20 KT W OF 70W, AND E 35 TO 45 KT ELSEWHERE. SEAS 6 TO 8 FT W OF  
70W, AND 9 TO 14 FT ELSEWHERE.    
FRI
 
TROPICAL STORM CONDITIONS POSSIBLE. NW WINDS 10 TO 15 KT  
W OF 70W, AND W 35 TO 45 KT ELSEWHERE. W OF 70W, SEAS 6 TO 8 FT.  
ELSEWHERE, SEAS 8 TO 13 FT, SUBSIDING TO 6 TO 9 FT IN THE  
AFTERNOON.    
FRI NIGHT
 
W WINDS 10 TO 15 KT W OF 70W, AND SW 15 TO 25 KT  
ELSEWHERE. SEAS 6 TO 8 FT.    
SAT
 
W WINDS 10 TO 20 KT W OF 70W, AND SW 15 TO 25 KT  
ELSEWHERE. SEAS 5 TO 7 FT.    
SAT NIGHT
 
W WINDS 10 TO 20 KT W OF 70W, AND W 15 TO 25 KT  
ELSEWHERE. SEAS 5 TO 7 FT.    
SUN
 
W WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.  
 
BAHAMAS N OF 22N  
   
TODAY
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
THU
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI
 
E WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE AFTERNOON.  
SEAS 2 TO 3 FT.    
FRI NIGHT
 
W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
SAT
 
W WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SAT NIGHT
 
W WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SUN
 
SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.  
 
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS  
   
..TROPICAL STORM WARNING
 
 
   
TODAY
 
TROPICAL STORM CONDITIONS POSSIBLE. E WINDS 10 TO  
15 KT W OF 70W, AND E 30 TO 40 KT ELSEWHERE. SEAS 6 TO 8 FT.    
TONIGHT
 
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 10 TO  
20 KT W OF 70W, AND NE 30 TO 40 KT ELSEWHERE. SEAS 6 TO 7 FT W  
OF 70W, AND 7 TO 10 FT ELSEWHERE.    
THU
 
TROPICAL STORM CONDITIONS EXPECTED. W OF 70W, NE WINDS  
10 TO 15 KT, SHIFTING TO NW IN THE AFTERNOON. ELSEWHERE, NE  
WINDS 30 TO 40 KT, SHIFTING TO SW 35 TO 45 KT IN THE AFTERNOON.  
SEAS 6 TO 7 FT W OF 70W, AND 8 TO 11 FT ELSEWHERE.    
THU NIGHT
 
TROPICAL STORM CONDITIONS POSSIBLE. W OF 70W, NW  
WINDS 10 TO 15 KT, SHIFTING TO SW AFTER MIDNIGHT. ELSEWHERE, SW  
WINDS 35 TO 45 KT, DIMINISHING TO 20 TO 30 KT AFTER MIDNIGHT.  
SEAS 5 TO 6 FT W OF 70W, AND 6 TO 9 FT ELSEWHERE.    
FRI
 
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
FRI NIGHT
 
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT
 
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
SW WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.    
SUN
 
W OF 70W, SW WINDS 10 TO 15 KT. ELSEWHERE, SW WINDS 10 TO  
15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS  
4 TO 5 FT.  
 
ATLC WATERS S OF 22N W OF 65W  
   
..TROPICAL STORM WARNING
 
 
   
TODAY
 
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 30 TO  
40 KT. SEAS 10 TO 16FT.    
TONIGHT
 
TROPICAL STORM CONDITIONS POSSIBLE. SE WINDS 25 TO  
35 KT. SEAS 8 TO 11 FT.    
THU
 
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
FRI
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.  
 
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W  
   
..TROPICAL STORM WARNING
 
 
   
TODAY
 
TROPICAL STORM CONDITIONS. SE WINDS 30 TO 40 KT. SEAS  
10 TO 18 FT.    
TONIGHT
 
TROPICAL STORM CONDITIONS EXPECTED. SE WINDS 30 TO  
40 KT. SEAS 10 TO 18 FT.    
THU
 
SE WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.    
THU NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.    
FRI
 
SE WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT NIGHT
 
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.    
SUN
 
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page