682
FZNT31 KNHC 101929
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
229 PM EST WED DEC 10 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 GENERALLY BE FRESH TO STRONG WITH
SEAS TO 10 FT IN LARGE E SWELL THROUGH EARLY NEXT WEEK. SOME OF
THIS LARGE SWELL WILL ALSO FUNNEL THROUGH THE ATLANTIC PASSAGES
IN THE LESSER ANTILLES. LOOKING AHEAD, A COLD FRONT SHOULD REACH
THE YUCATAN CHANNEL ON MON WITH INCREASING WINDS AND SEAS BEHIND
THE FRONT.
NW CARIBBEAN W OF 85W
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU NIGHT AND FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI THROUGH MON
NE 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 S OF 18N, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 2 FT OR LESS ELSEWHERE.
THU
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.
THU NIGHT AND FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI THROUGH MON
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
THU
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
THU NIGHT AND FRI
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
FRI THROUGH MON
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
SW CARIBBEAN S OF 11N
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT AND FRI
N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI THROUGH MON
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
THU
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 5 TO 7 FT
ELSEWHERE.
THU NIGHT AND FRI
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND
E 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
FRI THROUGH MON
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 6 TO 9 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT AND FRI
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI THROUGH MON
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 6 TO 9 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT AND FRI
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI THROUGH MON
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A WEAK FRONTAL BOUNDARY WITH SHOWERS AND
THUNDERSTORMS EXTENDING ACROSS THE N WATERS WESTWARD TO THE
CENTRAL BAHAMAS WILL DISSIPATE LATE TONIGHT. FRESH TO STRONG W
WINDS WILL DEVELOP NORTH OF THE BAHAMAS TONIGHT AHEAD OF OUR
NEXT COLD FRONT. THE NEW FRONT SHOULD EMERGE OFF OF THE
FLORIDA/GEORGIA COAST LATE TONIGHT AND EXTEND FROM NEAR 31N74W
TO THE FLORIDA STRAITS TOMORROW MORNING, MOVING TO 31N62W TO THE
TURKS AND CAICOS FRI MORNING, AND DISSIPATING IN OUR NE WATERS
FROM 31N55W TO 27N61W SAT MORNING. WINDS NORTH OF 27N BOTH AHEAD
AND BEHIND THE COLD FRONT WILL BE FRESH TO STRONG ON THU AND FRI.
ADDITIONALLY, 8-10 FT SEAS DUE TO MIXED SE AND N SWELL WILL
IMPACT THE WATERS SOUTH OF 25N EAST OF 65W TONIGHT AND EXTENDING
THROUGH EARLY NEXT WEEK. WINDS WILL IMPROVE ACROSS FORECAST
WATERS FRI NIGHT THROUGH THE WEEKEND. LOOKING AHEAD, YET ANOTHER
COLD FRONT WILL REACH THE WATERS NORTH OF THE BAHAMAS SUN
AFTERNOON WITH INCREASING WINDS AND BUILDING SEAS OCCURRING
BEHIND THE FRONT.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
W WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
THU
NW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI THROUGH SAT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
N WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
MON
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
W WINDS 10 TO 20 KT W OF 70W, AND SW 15 TO 25 KT
ELSEWHERE. SEAS 7 TO 10 FT.
THU NIGHT AND FRI
NW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT, SHIFTING TO SE AFTER
MIDNIGHT. SEAS 5 TO 7 FT.
SAT THROUGH SUN
NW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
MON
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
BAHAMAS N OF 22N
TONIGHT
SW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
THU
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT AND FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI THROUGH MON
NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU
SW WINDS 10 TO 15 KT W OF 70W, AND S 10 TO 20 KT
ELSEWHERE. SEAS 6 TO 8 FT.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
FRI
NE WINDS 10 TO 15 KT W OF 70W, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 5 TO 7 FT.
FRI THROUGH SUN
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON
NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT AND FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI THROUGH MON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.
THU
SE WINDS 10 TO 20 KT. SEAS 8 TO 10 FT.
THU NIGHT AND FRI
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI THROUGH MON
SE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page