448
FZNT31 KNHC 250231
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
931 PM EST WED DEC 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
STRONG HIGH PRESSURE ACROSS THE WESTERN ATLANTIC
COMBINED WITH THE COLOMBIAN LOW WILL CONTINUE TO SUPPORT FRESH
TO STRONG WINDS IN THE LEE OF CUBA, THE WINDWARD PASSAGE, AND
THE CENTRAL CARIBBEAN THROUGH THU NIGHT, EXCEPT THROUGH MON OFF
COLOMBIA. LONG PERIOD NORTHERLY SWELL MOVING INTO THE
NORTHEASTERN PASSAGES WILL GRADUALLY SUBSIDE THU. THIS WILL BE
FOLLOWED BY ADDITIONAL NORTHERLY SWELL ARRIVING INTO
NORTHEASTERN PASSAGES LATE FRI INTO SAT BEFORE SUBSIDING SUN.
NW CARIBBEAN W OF 85W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
E 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 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
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.
THU
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU NIGHT
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
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
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SW CARIBBEAN S OF 11N
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,
AND 5 TO 7 FT ELSEWHERE.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE 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 4 TO 6 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
THU
N WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
THU NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT LATE. SEAS 5 TO 7 FT.
FRI
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SUN
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SUN NIGHT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
MON
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
FRI
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
E 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
NE 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
THE TAIL OF A WEAKENING STATIONARY FRONT EXTENDING
FROM 23N50W TO NORTH OF THE PUERTO RICO WILL GRADUALLY DISSIPATE
TONIGHT. A STRONG COLD FRONT EXTENDING FROM JUST SOUTHEAST OF
BERMUDA SOUTHWESTWARD TO 30N70W AND NORTHWESTWARD TO CENTRAL
SOUTH CAROLINA WILL MOVE ACROSS THE WATERS EAST OF THE BAHAMAS
THROUGH EARLY THU WHILE WEAKENING. LARGE SWELL CONTINUES TO
IMPACT THE REGION EAST OF THE BAHAMAS. STRONG WINDS AND A NEW
SET OF LARGE REINFORCING SWELL WILL FOLLOW THIS FRONT, MAINLY
OVER THE WATERS EAST OF 70W THROUGH THU. WINDS TO GALE FORCE WILL
BRIEFLY IMPACT THE AREA NORTH OF 30N SOUTHEAST OF BERMUDA
OVERNIGHT. ANOTHER COLD FRONT WILL MOVE OVER THE WATERS BETWEEN
NORTHEAST FLORIDA AND BERMUDA FRI BEFORE MOVING EAST OF THE AREA
SAT. IT WILL BE FOLLOWED BY ADDITIONAL REINFORCING SWELL EAST OF
70W. LOOKING AHEAD, YET ANOTHER FRONT WILL MOVE OFF THE NORTHEAST
FLORIDA COAST SAT, AND MOVE EAST OF THE REGION THROUGH MON.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
NW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI
W WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI NIGHT
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN
N WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING SW LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.
MON
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
N WINDS 10 TO 20 KT W OF 70W, AND NW 15 TO 25 KT
ELSEWHERE. W OF 70W, SEAS 6 TO 9 FT. ELSEWHERE, SEAS 7 TO 10 FT,
BUILDING TO 8 TO 13 FT AFTER MIDNIGHT.
THU
W OF 70W, NE WINDS 10 TO 15 KT. ELSEWHERE, N WINDS 10 TO
20 KT. SEAS 6 TO 9 FT W OF 70W, AND 10 TO 15 FT ELSEWHERE.
THU NIGHT
W TO NW WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT W OF
70W, AND 9 TO 12 FT ELSEWHERE.
FRI
W OF 70W, NW WINDS 10 TO 15 KT. ELSEWHERE, NW WINDS 10 TO
20 KT. SEAS 6 TO 9 FT.
FRI NIGHT
W TO NW WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
SAT
W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
NW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN
N WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SUN NIGHT
NE WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
MON
SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON NIGHT
SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
BAHAMAS N OF 22N
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
NE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
NE WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING NW LESS
THAN 10 KT LATE. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
N WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
THU
N WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 7 TO 10 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
SAT
W WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN
NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN NIGHT
NE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
MON
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
MON NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS
THAN 10 KT LATE. SEAS 5 TO 7 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SUN
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.
THU
N WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 7 TO 10 FT.
FRI NIGHT
NE WINDS 10 KT. SEAS 8 TO 9 FT.
SAT
NE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE WINDS
LESS THAN 10 KT. SEAS 7 TO 9 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 7 FT.
SUN
VARIABLE WINDS LESS THAN 10 KT, BECOMING NW 10 KT IN THE
AFTERNOON. SEAS 6 TO 7 FT.
SUN NIGHT
NW WINDS 10 KT. SEAS 6 TO 8 FT.
MON
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 7 TO 8 FT.
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