085
FZNT31 KNHC 110829
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
329 AM EST THU DEC 11 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
A MODERATE PRESSURE GRADIENT BETWEEN THE BERMUDA-
AZORES HIGH AND THE COLOMBIAN LOW WILL CONTINUE TO PRODUCE
WIDESPREAD FRESH TO STRONG TRADES OVER THE CENTRAL AND E
CARIBBEAN FOR THE NEXT SEVERAL DAYS. SIMILARLY, TRADES OVER THE
TROPICAL NORTH ATLANTIC WILL BE FRESH TO STRONG WITH ROUGH SEAS
IN LARGE E SWELL THROUGH EARLY NEXT WEEK. SOME OF THE SWELL WILL
ALSO FUNNEL THROUGH THE ATLANTIC PASSAGES IN THE LESSER
ANTILLES. A COLD FRONT WILL REACH THE YUCATAN CHANNEL ON MON
WITH INCREASING WINDS AND SEAS BEHIND THE FRONT.
NW CARIBBEAN W OF 85W
TODAY
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. 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 4 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.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
E WINDS 10 TO 20 KT S OF 18N, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 5 TO 7 FT S OF 18N, AND 2 FT OR LESS ELSEWHERE.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT S OF 18N, AND
3 TO 4 FT ELSEWHERE.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
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 5 TO 7 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 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.
FRI
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
FRI NIGHT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.
SAT
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON 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 15 KT. SEAS 6 TO 8 FT.
FRI
NE WINDS 10 TO 15 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 9 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 LESS THAN 10 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. 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 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
FRI
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT
ELSEWHERE. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 5 TO 7 FT
ELSEWHERE.
SAT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
E 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 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 LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N 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.
FRI
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI NIGHT
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 7 TO 10 FT.
MON
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 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 6 TO 9 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI NIGHT
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 7 TO 10 FT.
MON
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A WEAKENING FRONTAL BOUNDARY WITH SHOWERS AND
THUNDERSTORMS EXTENDING ACROSS THE N WATERS WESTWARD TO ABOUT
70W WILL DISSIPATE THIS MORNING. FRESH TO STRONG W WINDS HAVE
DEVELOPED NORTH OF THE BAHAMAS AHEAD OF THE NEXT COLD FRONT. THIS
NEW FRONT WILL EXTEND FROM NEAR 31N74W TO THE FLORIDA STRAITS
THIS MORNING, TO 31N62W TO THE TURKS AND CAICOS FRI MORNING, AND
DISSIPATING IN OUR NE WATERS FROM 31N55W TO 27N62W SAT MORNING.
WINDS NORTH OF 27N BOTH AHEAD AND BEHIND THE FRONT WILL BE FRESH
TO STRONG THROUGH FRI. ADDITIONALLY, ROUGH SEAS DUE TO MIXED SE
AND N SWELL WILL CONTINUE TO IMPACT THE WATERS SOUTH OF 25N EAST
OF 65W THIS MORNING AND EXTEND THROUGH EARLY NEXT WEEK. WINDS
WILL IMPROVE ACROSS FORECAST WATERS FRI NIGHT THROUGH THE
WEEKEND. ANOTHER COLD FRONT WILL REACH THE WATERS NORTH OF THE
BAHAMAS SUN AFTERNOON WITH INCREASING WINDS AND BUILDING SEAS
BEHIND THE FRONT.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
NW WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.
TONIGHT
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 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 4 FT.
SUN NIGHT
N WINDS 15 TO 25 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 13 FT.
MON NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 7 TO 10 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
W WINDS 10 TO 20 KT W OF 70W, AND SW 15 TO 25 KT
ELSEWHERE. SEAS 7 TO 10 FT.
TONIGHT
NW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI
W OF 70W, NW WINDS 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, NW WINDS 10 TO 15 KT.
SEAS 6 TO 9 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT, SHIFTING TO SE AFTER
MIDNIGHT. SEAS 5 TO 7 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN
S WINDS LESS THAN 10 KT, SHIFTING TO SW IN THE AFTERNOON.
SEAS 4 TO 6 FT.
SUN NIGHT
W WINDS 10 TO 20 KT, BECOMING NW 20 TO 30 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT, BUILDING TO 7 TO 10 FT AFTER MIDNIGHT.
MON
N WINDS 15 TO 25 KT. SEAS 9 TO 14 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 9 TO 14 FT.
BAHAMAS N OF 22N
TODAY
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
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
E WINDS LESS THAN 10 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 3 TO 4 FT.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TONIGHT
SW WINDS 10 TO 15 KT, SHIFTING TO NW AFTER MIDNIGHT.
SEAS 5 TO 7 FT.
FRI
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
FRI NIGHT
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 8 FT, BUILDING TO 8 TO
11 FT IN THE AFTERNOON.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. 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 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
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. 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.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
SE WINDS 10 TO 20 KT. SEAS 8 TO 10 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI NIGHT
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 20 KT. SEAS 8 TO 10 FT.
SUN
E WINDS 15 TO 20 KT. SEAS 9 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 10 TO 15 KT. SEAS 7 TO 9 FT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page