721
FZNT31 KNHC 181524
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1024 AM EST WED DEC 18 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
A TIGHT PRESSURE GRADIENT BETWEEN 1034 MB HIGH
PRESSURE NE OF BERMUDA AND LOW PRESSURE OVER COLOMBIA WILL
SUPPORT MODERATE TO FRESH TRADE WINDS OVER THE CENTRAL, EASTERN
AND SOUTHWESTERN CARIBBEAN THROUGH FRI MORNING. WINDS WILL PULSE
TO STRONG SPEEDS EACH NIGHT OFF THE COAST OF COLOMBIA AND
VENEZUELA. STRONG NE WINDS ARE ALSO EXPECTED JUST SOUTH OF
HISPANIOLA AND THROUGH THE ATLANTIC PASSAGES INTO EARLY THU.
ATLANTIC NE SWELL WILL PRODUCE ROUGH SEAS THROUGH THE ATLANTIC
PASSAGES THROUGH FRI BEFORE DIMINISHING. ELSEWHERE, GENTLE TO
LOCALLY MODERATE NE WINDS ARE EXPECTED IN THE NORTHWESTERN
CARIBBEAN THROUGH FRI. LOOKING AHEAD, BUILDING HIGH PRESSURE
OVER THE GULF OF MEXICO WILL LEAD TO GENERALLY MODERATE TO
LOCALLY FRESH E TO NE WINDS ACROSS THE BASIN THIS WEEKEND.
NW CARIBBEAN W OF 85W
TODAY
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
THU
N WINDS LESS THAN 10 KT. SEAS 3 FT.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
SUN
N 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 4 TO 6 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, E WINDS 10 TO
15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS
4 TO 6 FT.
TONIGHT
NE WINDS 10 TO 20 KT S OF 18N, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 20 KT S OF 18N, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 3 TO 5 FT ELSEWHERE.
THU NIGHT
S OF 18N, NE WINDS 10 TO 15 KT. ELSEWHERE, N WINDS
LESS THAN 10 KT, INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS
4 TO 6 FT S OF 18N, AND 3 TO 4 FT ELSEWHERE.
FRI
NE WINDS 10 TO 15 KT. 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 3 TO 5 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.
THU
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.
THU NIGHT
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SW CARIBBEAN S OF 11N
TODAY
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 15 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 3 TO 5 FT.
SAT NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 3 TO 4 FT GULF OF VENEZUELA, AND 5 TO 7 FT
ELSEWHERE.
TONIGHT
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
THU
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,
AND 5 TO 7 FT ELSEWHERE.
THU NIGHT
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.
FRI
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TODAY
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
THU
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 7 TO 10 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 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.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TODAY
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TONIGHT
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 9 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 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.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A STRONG PRESSURE GRADIENT BETWEEN 1034 MB HIGH
PRESSURE NE OF BERMUDA AND BROAD LOW PRESSURE ACROSS THE SW
CARIBBEAN WILL CONTINUE TO SUPPORT FRESH E WINDS ACROSS THE
WATERS BETWEEN 25N AND THE GREATER ANTILLES TODAY, WITH STRONG
WINDS EXPECTED THROUGH THE SOUTHEASTERN BAHAMAS. FARTHER EAST, A
COLD FRONT ANALYZED FROM 28N41W TO 23N62W WILL PROGRESS SLOWLY
SOUTHWARD THROUGH THU, PRODUCING WIDESPREAD FRESH E WINDS BOTH
AHEAD AND BEHIND THE FRONT, AND STRONG WINDS OCCURRING ALONG THE
FRONT. ROUGH SEAS ASSOCIATED WITH THESE FEATURES WILL OCCUR
NORTH OF 15N THROUGH THE END OF THE WORK WEEK BEFORE SEAS BEGIN
TO SLOWLY SUBSIDE FROM NORTH TO SOUTH LATE THU THROUGH EARLY SAT.
SEAS IN EXCESS OF 12 FT WILL BE POSSIBLE ALONG AND BEHIND THE
AFOREMENTIONED COLD FRONT. ELSEWHERE, FRESH TRADE WINDS AND ROUGH
SEAS WILL PREVAIL SOUTH OF 15N THROUGH THU BEFORE WINDS DIMINISH
TO MODERATE SPEEDS ON FRI. A COLD FRONT WILL MOVE OFF THE COAST
OF THE SOUTHEASTERN UNITED STATES LATE TONIGHT INTO THU AND
EXTEND FROM NEAR 31N74W TO SE FLORIDA FRI MORNING, AND FROM
31N67W TO EASTERN CUBA BY SAT MORNING. FRESH TO LOCALLY STRONG N
TO NW WINDS WILL OCCUR BEHIND THE FRONT.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU
W WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
THU NIGHT
N WINDS 10 KT IN THE EVENING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI
NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT
N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT NIGHT
N WINDS 10 KT. SEAS 5 TO 7 FT.
SUN
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TONIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU
S WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
W WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT
NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
NW WINDS 10 KT. SEAS 6 TO 9 FT.
SUN
N WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
BAHAMAS N OF 22N
TODAY
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
E WINDS 15 TO 25 KT W OF 70W, AND E 10 TO 20 KT
ELSEWHERE. SEAS 8 TO 11 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT W OF 70W, AND
8 TO 12 FT ELSEWHERE.
THU
SE WINDS 10 TO 20 KT W OF 70W, AND SE 15 TO 20 KT
ELSEWHERE. SEAS 6 TO 9 FT W OF 70W, AND 8 TO 12 FT ELSEWHERE.
THU NIGHT
SE WINDS 10 TO 15 KT W OF 70W, AND SE 15 TO 20 KT
ELSEWHERE. SEAS 7 TO 10 FT.
FRI
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
FRI NIGHT
SW WINDS 10 TO 15 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. SEAS 5 TO 6 FT.
SUN
NE WINDS LESS THAN 10 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 5 TO 7 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
THU
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SUN
E WINDS LESS THAN 10 KT, SHIFTING TO NE IN THE AFTERNOON.
SEAS 3 TO 5 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
E WINDS 15 TO 20 KT. SEAS 9 TO 12 FT.
TONIGHT
E WINDS 20 TO 25 KT. SEAS 10 TO 13 FT.
THU
E WINDS 15 TO 25 KT. SEAS 10 TO 12 FT.
THU NIGHT
E WINDS 15 TO 20 KT. SEAS 9 TO 11 FT.
FRI
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
FRI NIGHT
E WINDS 15 KT. SEAS 7 TO 9 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
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