467
FZNT31 KNHC 120906
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
406 AM EST THU DEC 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
STRONG HIGH PRESSURE BUILDING OVER THE GULF OF
MEXICO AND IN THE WAKE OF A COLD FRONT EXTENDING ACROSSS THE
NORTHERN BAHAMAS TO WESTERN CUBA AND INTO HONDURAS WILL CONTINUE
TO SUPPORT FRESH TO STRONG NE WINDS AND MODERATE TO ROUGH SEAS
IN THE NW CARIBBEAN AND THE WINDWARD PASSAGE THROUGH SUN
MORNING. AFTERWARD, MODERATE TO FRESH NE WINDS WILL FURTHER
DIMINISH TO GENTLE TO MODERATE SPEEDS BY MON AFTERNOON AS THE
BROAD HIGH PRESSURE SHIFT NE AND THEN EASTWARD TO THE
NORTH-CENTRAL ATLANTIC WATERS. THE HIGH PRESSURE WILL ALSO
SUPPORT FRESH TO STRONG NE WINDS OVER THE CENTRAL AND SW
CARIBBEAN THROUGH SAT MORNING. MODERATE TO FRESH NE WINDS OVER
THE E CARIBBEAN WILL DIMINISH ON FRI AS A SURFACE TROUGH ENTERS
THE REGION. OTHERWISE, THE FRONT WILL STALL THIS MORNING OVER
THE NW CARIBBEAN BEFORE DISSIPATING TONIGHT.
NW CARIBBEAN W OF 85W
TODAY
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON 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
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 20 KT S OF 18N, AND NE 15 TO 25 KT
ELSEWHERE. SEAS 5 TO 7 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT S OF 18N, AND NE 15 TO 25 KT
ELSEWHERE. SEAS 6 TO 8 FT.
SAT
NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
TONIGHT
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
FRI
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
FRI NIGHT
NE WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.
MON
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 FT.
SW CARIBBEAN S OF 11N
TODAY
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN
NE WINDS 10 TO 15 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 4 TO 6 FT.
SUN NIGHT
N WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
MON
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
NE WINDS 10 TO 20 KT. SEAS 3 FT GULF OF VENEZUELA, AND
4 TO 6 FT ELSEWHERE.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF
VENEZUELA, AND 5 TO 7 FT ELSEWHERE.
FRI
NE WINDS 10 TO 20 KT. SEAS 3 FT GULF OF VENEZUELA, AND
5 TO 7 FT ELSEWHERE.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF
VENEZUELA, AND 4 TO 6 FT ELSEWHERE.
SAT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TODAY
NE WINDS 10 TO 15 KT, SHIFTING TO NW IN THE AFTERNOON.
SEAS 5 TO 7 FT.
TONIGHT
NW WINDS LESS THAN 10 KT, SHIFTING TO SW AFTER
MIDNIGHT. SEAS 4 TO 6 FT.
FRI
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 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 5 TO 7 FT.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON 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 LESS THAN 10 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. 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 4 TO 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDING FROM 31N74W SW TO THE
NORTHERN BAHAMAS AND INTO CENTRAL CUBA WILL STALL FROM 31N68W TO
THE CENTRAL BAHAMAS THIS EVENING AND DISSIPATE TONIGHT INTO
EARLY FRI. FRESH TO STRONG NORTHERLY WINDS AND ROUGH SEAS
AFFECTING THE FLORIDA OFFSHORE WATERS, AND THE NORTHERN AND
CENTRAL BAHAMAS WILL PREVAIL AND EXPAND IN AREAL COVERAGE THROUGH
THE WEEKEND AS STRONG HIGH PRESSURE BUILDING IN THE WAKE OF THE
FRONT WILL TIGHTEN THE PRESSURE GRADIENT AGAINST AN APPROACHING
SURFACE TROUGH FROM THE EAST. FREQUENT GUST TO GALE FORCE WINDS
WILL LIKELY DEVELOP OVER THE NORTHERN BAHAMAS OFFSHORE WATERS SAT
THROUGH SUN. WINDS WILL START TO GRADUALLY WEAKEN ACROSS THE
REGION SUN NIGHT INTO MON.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
N WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
TONIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
FRI
NE WINDS 20 TO 25 KT. SEAS 7 TO 9 FT.
FRI NIGHT
E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
SAT
NE WINDS 20 TO 30 KT. SEAS 11 TO 15 FT.
SAT NIGHT
E WINDS 20 TO 30 KT. SEAS 13 TO 16 FT.
SUN
NE WINDS 15 TO 25 KT. SEAS 13 TO 16 FT.
SUN NIGHT
E WINDS 15 TO 25 KT. SEAS 12 TO 15 FT.
MON
E WINDS 15 TO 25 KT. SEAS 11 TO 14 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 10 TO 12 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
..GALE CONDITIONS POSSIBLE
TODAY
N WINDS 15 TO 25 KT W OF 70W, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 6 TO 9 FT W OF 70W, AND 5 TO 6 FT ELSEWHERE.
TONIGHT
NE WINDS 15 TO 25 KT W OF 70W, AND NE 10 TO 20 KT
ELSEWHERE. SEAS 8 TO 11 FT W OF 70W, AND 6 TO 9 FT ELSEWHERE.
FRI
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
FRI NIGHT
NE WINDS 20 TO 30 KT. SEAS 10 TO 14 FT.
SAT
NE WINDS 25 TO 35 KT. SEAS 11 TO 17 FT.
SAT NIGHT
NE WINDS 25 TO 35 KT. SEAS 12 TO 18 FT.
SUN
NE TO E WINDS 25 TO 35 KT. SEAS 11 TO 17 FT.
SUN NIGHT
NE WINDS 20 TO 25 KT. SEAS 13 TO 16 FT.
MON
E WINDS 15 TO 25 KT. SEAS 12 TO 15 FT.
MON NIGHT
E WINDS 15 TO 20 KT. SEAS 10 TO 13 FT.
BAHAMAS N OF 22N
TODAY
NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
TONIGHT
NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
FRI
NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
SAT
NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
SAT NIGHT
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
SUN
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
W OF 70W, E WINDS LESS THAN 10 KT, SHIFTING TO NE IN
THE AFTERNOON. ELSEWHERE, NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
FRI
NE WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
FRI NIGHT
NE WINDS 20 TO 25 KT. SEAS 10 TO 14 FT.
SAT
NE WINDS 20 TO 30 KT. SEAS 11 TO 16 FT.
SAT NIGHT
E WINDS 20 TO 30 KT. SEAS 12 TO 17 FT.
SUN
E WINDS 15 TO 25 KT. SEAS 11 TO 16 FT.
SUN NIGHT
E WINDS 15 TO 25 KT. SEAS 10 TO 15 FT.
MON
E WINDS 15 TO 25 KT. SEAS 9 TO 14 FT.
MON NIGHT
E WINDS 15 TO 25 KT. SEAS 9 TO 12 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI NIGHT
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
SAT
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
FRI NIGHT
SE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
SAT
SE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 8 TO 9 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 8 FT.
MON
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
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