498
FZNT31 KNHC 231919
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
219 PM EST TUE DEC 23 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 SAT
NIGHT OFF COLOMBIA. OTHERWISE, LONG PERIOD NORTHERLY SWELL WILL
REACH THE NE CARIBBEAN AND THE WATERS JUST E OF THE LEEWARD
ISLANDS, INCLUDING THE ATLANTIC PASSAGES, BY WED MORNING AND
GRADUALLY SUBSIDE LATE THU INTO FRI. ADDITIONAL PULSES OF
NORTHERLY SWELL WILL REACH THE SAME REGION LATE FRI INTO SAT.
NW CARIBBEAN W OF 85W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
E 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 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
E WINDS 10 TO 20 KT S OF 18N, AND NE 15 TO 25 KT
ELSEWHERE. SEAS 5 TO 7 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
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 4 TO 6 FT.
FRI
E 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 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
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
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.
WED
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED 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.
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 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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.
SW CARIBBEAN S OF 11N
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED NIGHT
NE WINDS 10 TO 20 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 8 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT
NE WINDS 10 TO 15 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. SEAS 6 TO 8 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF
VENEZUELA, AND 5 TO 7 FT ELSEWHERE.
WED
NE WINDS 10 TO 15 KT. SEAS 3 FT GULF OF VENEZUELA, AND
4 TO 6 FT ELSEWHERE.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 3 FT GULF OF VENEZUELA, AND
4 TO 6 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 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 3 TO 5 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN 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 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.
SEAS 6 TO 8 FT.
WED NIGHT
NE WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
THU
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 6 TO 8 FT.
THU NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. 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
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SUN NIGHT
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
WED NIGHT
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 4 TO 6 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.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A FRONTAL BOUNDARY EXTENDING FROM 31N47W TO THE
TURKS AND CAICOS ISLANDS WILL GRADUALLY DISSIPATE OVER THE SE
WATERS TONIGHT INTO WED. STRONG WINDS AND ROUGH TO VERY ROUGH
SEAS FOLLOW THE FRONT. THESE MARINE CONDITIONS WILL MOVE E OF THE
AREA ON WED AS ANOTHER COLD FRONT REACHES THE NORTH WATERS. THIS
SECOND FRONT WILL EXTEND FROM 31N55W TO THE NW BAHAMAS BY THU
MORNING. STRONG WINDS AND ROUGH SEAS ARE ALSO EXPECTED BEHIND THE
FRONT. A THIRD COLD FRONT WILL MOVE ACROSS THE NORTHERN OFFSHORE
WATERS ON FRI.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
SE WINDS LESS THAN 10 KT, SHIFTING TO NW AFTER
MIDNIGHT. SEAS 5 TO 7 FT.
WED
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI NIGHT
W WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
SAT
W WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SAT NIGHT
NW WINDS 10 KT. SEAS 4 TO 6 FT.
SUN
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
W OF 70W, SE WINDS LESS THAN 10 KT, SHIFTING TO W
AFTER MIDNIGHT. ELSEWHERE, SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED
NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED NIGHT
N WINDS 10 TO 20 KT W OF 70W, AND NW 15 TO 25 KT
ELSEWHERE. SEAS 6 TO 8 FT W OF 70W, AND 8 TO 11 FT ELSEWHERE.
THU
NE WINDS 10 TO 20 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 6 TO 9 FT W OF 70W, AND 9 TO 14 FT
ELSEWHERE.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
FRI
NW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
FRI NIGHT
NW WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
SAT
W WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 6 TO 9 FT.
SAT NIGHT
NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
N WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SUN NIGHT
N WINDS LESS THAN 10 KT, SHIFTING TO W AFTER
MIDNIGHT. SEAS 6 TO 8 FT.
BAHAMAS N OF 22N
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
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
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
N WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
NE WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 8 TO 12 FT.
WED
NE WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.
WED NIGHT
N WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
THU
W OF 70W, N WINDS 10 TO 15 KT, SHIFTING TO NE IN THE
AFTERNOON. ELSEWHERE, N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT W OF
70W, AND 7 TO 10 FT ELSEWHERE.
THU NIGHT
N WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
SAT
NW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SUN
NW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SUN NIGHT
N WINDS 10 KT IN THE EVENING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 4 TO 6 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
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT.
SUN
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 8 TO 12 FT.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 8 TO 10 FT.
THU
N WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
THU NIGHT
N WINDS 10 TO 15 KT, SHIFTING TO NE AFTER MIDNIGHT.
SEAS 5 TO 7 FT.
FRI
N WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
FRI NIGHT
NE WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 8 TO 9 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 7 TO 8 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SUN
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
SUN NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
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