771
FZNT31 KNHC 121501
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1001 AM 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
WIDESPREAD FRESH TRADE WINDS ARE EXPECTED OVER THE
CENTRAL AND EASTERN CARIBBEAN THROUGH SUN MORNING AS A MODERATE
PRESSURE GRADIENT PREVAILS BETWEEN THE COLOMBIAN LOW AND
MIGRATING HIGH PRESSURE TO THE NORTH ALONG 29N. STRONG E 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 AND THROUGH THE PASSAGES AND INTO THE EASTERN BASIN
THROUGH MON. LOOKING AHEAD, 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
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
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
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
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 S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 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.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 15 TO 25 KT ELSEWHERE. SEAS 7 TO 10 FT.
TONIGHT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 15 TO 25 KT ELSEWHERE. SEAS 6 TO 9 FT.
SAT
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
SAT NIGHT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 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.
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.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN
NE WINDS 10 TO 15 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 6 TO 8 FT.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
NE WINDS 10 TO 15 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 4 TO 6 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 4 TO 6 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
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 8 FT
ELSEWHERE.
SAT NIGHT
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.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 3 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 7 TO 10 FT.
SAT
E 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 7 TO 10 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TODAY
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SAT
E 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 7 TO 10 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDS FROM 31N60W ACROSS THE CENTRAL
BAHAMAS INTO THE STRAITS OF FLORIDA. STRONG SW WINDS WILL OCCUR
AHEAD OF THE FRONT, GENERALLY NORTH OF 28N AND EAST OF 60W
THROUGH THIS AFTERNOON. ROUGH SEAS IN SW SWELL WILL PREVAIL
AHEAD OF THE FRONT WITH A BRIEF PERIOD OF LARGE NW SWELL EXPECTED
NORTH OF 27N BEHIND THE FRONT THROUGH SAT MORNING. ELSEWHERE IN
THE CENTRAL ATLANTIC, ROUGH SEAS IN MIXED N AND SE SWELL WILL
PREVAIL E OF 65W THROUGH LATE TODAY, WITH A NEW MIXED SWELL
REINFORCING ROUGH SEAS THERE SUN THROUGH MON. THE NEXT COLD FRONT
IS SLATED TO MOVE OFF THE COAST OF THE SOUTHEASTERN UNITED
STATES ON SUN, WITH INCREASING 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, THEN
WEAKEN AS IT REACHES FROM 29N55W TO THE SE BAHAMAS AND CENTRAL
CUBA TUE MORNING.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
N WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TONIGHT
S WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
W WINDS LESS THAN 10 KT, BECOMING NW 10 TO 20 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT.
SUN NIGHT
N WINDS 20 TO 30 KT. SEAS 5 TO 7 FT, BUILDING TO
8 TO 11 FT AFTER MIDNIGHT.
MON
NE WINDS 20 TO 25 KT, DIMINISHING TO 15 KT IN THE
AFTERNOON. SEAS 10 TO 12 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
TUE
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
W OF 70W, NW WINDS 10 TO 15 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, NW WINDS 10 TO 15 KT.
SEAS 5 TO 7 FT W OF 70W, AND 7 TO 10 FT ELSEWHERE.
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SAT
E WINDS LESS THAN 10 KT W OF 70W, AND E 10 TO 15 KT
ELSEWHERE. SEAS 3 TO 5 FT W OF 70W, AND 5 TO 7 FT ELSEWHERE.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
W WINDS 10 TO 20 KT, BECOMING NW 20 TO 30 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT, BUILDING TO 8 TO 11 FT AFTER MIDNIGHT.
MON
N WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 9 TO 14 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 8 TO 12 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
BAHAMAS N OF 22N
TODAY
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SE WINDS 10 TO 15 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 3 TO 4 FT.
SUN NIGHT
N WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
W OF 70W, NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO
15 KT IN THE AFTERNOON. ELSEWHERE, S WINDS LESS THAN 10 KT,
SHIFTING TO E IN THE AFTERNOON. SEAS 5 TO 7 FT.
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 5 TO 7 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON
N WINDS 15 TO 25 KT. SEAS 6 TO 7 FT, BUILDING TO 8 TO
11 FT IN THE AFTERNOON.
MON NIGHT
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 8 TO 12 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 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 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SAT
E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT.
SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 9 TO 10 FT.
SUN NIGHT
SE WINDS 10 TO 20 KT. SEAS 8 TO 9 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
MON NIGHT
SE WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
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