457
FZNT31 KNHC 130257
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
957 PM EST FRI DEC 12 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
FRESH TO STRONG WINDS, AND MODERATE TO ROUGH SEAS
ARE EXPECTED OVER THE CENTRAL CARIBBEAN THROUGH SUN MORNING DUE
TO THE PRESSURE GRADIENT BETWEEN THE COLOMBIAN LOW AND A MODEST
WESTERN ATLANTIC RIDGE. WINDS WILL PULSE TO NEAR GALE-FORCE AT
NIGHT OFFSHORE OF NORTHERN COLOMBIA. ELSEWHERE, FRESH TO LOCALLY
STRONG TRADE WINDS AND ROUGH SEAS IN LARGE E SWELL WILL PREVAIL
OVER THE ATLANTIC WATERS, THROUGH THE ATLANTIC PASSAGES AND INTO
THE EASTERN PART OF THE BASIN THROUGH MON. A COLD FRONT WILL
ENTER THE NORTHWESTERN CARIBBEAN EARLY MON, ACCOMPANIED BY
INCREASING WINDS AND BUILDING SEAS BEHIND THE FRONT. THIS FRONT
IS EXPECTED TO REACH FROM CENTRAL CUBA TO N BELIZE TUE EVENING,
THEN BEGIN TO STALL AND WEAKEN.
NW CARIBBEAN W OF 85W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
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 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT S OF 18N, AND 4 TO
6 FT ELSEWHERE.
SAT NIGHT
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 6 TO 9 FT S OF 18N, AND 4 TO 6 FT ELSEWHERE.
SUN
E WINDS 10 TO 20 KT S OF 18N, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 6 TO 9 FT S OF 18N, AND 3 TO 5 FT ELSEWHERE.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 15 TO 25 KT ELSEWHERE. SEAS 7 TO 10 FT.
SAT
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
SAT NIGHT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 7 TO 10 FT.
SUN
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 7 TO 10 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED 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 9 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 6 TO 8 FT.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 20 TO 30 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.
SAT
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 9 FT
ELSEWHERE.
SAT NIGHT
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO 9 FT
ELSEWHERE.
SUN
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 9 FT
ELSEWHERE.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
MON
E WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
MON
E WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDS FROM 31N56W TO 24N70W AND THEN
BECOMES STATIONARY ACROSS THE SE BAHAMAS AND THROUGH EAST
CENTRAL CUBA. LARGE NW SWELL IS EXPECTED NORTH OF 28N BETWEEN
70W AND THE FRONT THROUGH SAT MORNING AS THE NORTH PORTION OF
FRONT DRIFTS EASTWARD. THE FRONT IS FORECAST TO BECOME STATIONARY
SAT, THEN LIFT NORTHWARD WHILE DISSIPATING. THE NEXT STRONG COLD
FRONT IS SLATED TO MOVE OFF THE COAST OF THE SOUTHEASTERN UNITED
STATES ON SUN, WITH STRONG TO NEAR GALE-FORCE WINDS AND QUICKLY
BUILDING SEAS EXPECTED BEHIND THE FRONT. THE FRONT IS FORECAST TO
REACH FROM JUST E OF BERMUDA TO THE CENTRAL BAHAMAS BY MON
MORNING, AND FROM 29N55W TO THE SE BAHAMAS AND CENTRAL CUBA TUE
MORNING.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS THAN
10 KT AFTER MIDNIGHT. SEAS 3 FT.
SAT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS 10 KT. SEAS 3 TO 4 FT.
SUN
W WINDS LESS THAN 10 KT, BECOMING NW 10 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT.
SUN NIGHT
N WINDS 20 TO 30 KT. SEAS 6 TO 9 FT, BUILDING TO
8 TO 13 FT AFTER MIDNIGHT.
MON
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 KT IN THE
AFTERNOON. SEAS 11 TO 14 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
WED NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SAT
W OF 70W, E WINDS LESS THAN 10 KT, INCREASING TO 10 TO
15 KT IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO 15 KT. SEAS
5 TO 7 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN
W OF 70W, S WINDS LESS THAN 10 KT, SHIFTING TO W IN THE
AFTERNOON. ELSEWHERE, S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
W WINDS 10 TO 20 KT, BECOMING NW 20 TO 30 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT, BUILDING TO 8 TO 13 FT AFTER MIDNIGHT.
MON
N WINDS 20 TO 30 KT. SEAS 11 TO 16 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 11 TO 16 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 8 TO 13 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT.
BAHAMAS N OF 22N
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN
SE WINDS 10 TO 15 KT, SHIFTING TO NW IN THE AFTERNOON.
SEAS 3 TO 5 FT.
SUN NIGHT
N WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 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.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON
N WINDS 15 TO 25 KT. SEAS 7 TO 10 FT, BUILDING TO 8 TO
13 FT IN THE AFTERNOON.
MON NIGHT
NE WINDS 15 TO 25 KT. SEAS 8 TO 13 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 9 TO 13 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 9 TO 11 FT.
WED
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 9 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
E 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 6 TO 9 FT.
SUN
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS 10 TO 15 KT, SHIFTING TO E AFTER MIDNIGHT.
SEAS 5 TO 7 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SAT
E WINDS 15 TO 20 KT. SEAS 8 TO 11 FT.
SAT NIGHT
E WINDS 15 TO 25 KT. SEAS 9 TO 11 FT.
SUN
E WINDS 15 TO 20 KT. SEAS 10 TO 11 FT.
SUN NIGHT
SE WINDS 10 TO 20 KT. SEAS 9 TO 10 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 8 TO 10 FT.
MON NIGHT
SE WINDS LESS THAN 10 KT. SEAS 7 TO 9 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
WED
E WINDS 10 TO 15 KT. SEAS 8 TO 10 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 8 TO 10 FT.
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