920
FZNT31 KNHC 101506
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1006 AM 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 CARIBBEAN FOR
THE NEXT SEVERAL DAYS. SIMILARLY, TRADES OVER THE TROPICAL NORTH
ATLANTIC WILL GENERALLY BE FRESH TO STRONG WITH SEAS TO 11 FT IN
LARGE E SWELL THROUGH THE WEEKEND. SOME OF THIS LARGE SWELL WILL
ALSO FUNNEL THROUGH THE ATLANTIC PASSAGES IN THE LESSER
ANTILLES.
NW CARIBBEAN W OF 85W
TODAY
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TONIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU AND THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI THROUGH SUN
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, E WINDS LESS
THAN 10 KT IN THE MORNING, BECOMING VARIABLE WINDS LESS THAN
10 KT. SEAS 3 TO 5 FT S OF 18N, AND 2 FT OR LESS ELSEWHERE.
TONIGHT
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, VARIABLE
WINDS LESS THAN 10 KT, BECOMING NE LESS THAN 10 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT S OF 18N, AND 2 FT OR LESS ELSEWHERE.
THU AND THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT S OF
18N, AND 3 TO 4 FT ELSEWHERE.
FRI THROUGH SUN
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 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 5 TO 7 FT.
TONIGHT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
THU AND THU NIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
FRI THROUGH SUN
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
SW CARIBBEAN S OF 11N
TODAY
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU AND THU NIGHT
N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI THROUGH SUN
N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
THU AND THU NIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND
E 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
FRI THROUGH SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 8 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 8 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU AND THU NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI THROUGH SUN
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
TODAY
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU AND THU NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI THROUGH SUN
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 SW
TO 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 31N75W TO
THE FLORIDA STRAITS TOMORROW MORNING, MOVING TO 31N60W TO THE
TURKS AND CAICOS FRI MORNING, AND DISSIPATING IN OUR NE WATERS
FROM 31N55W TO 27N60W 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 TOMORROW AND EXTENDING
THROUGH THE WEEKEND. WINDS WILL IMPROVE ACROSS FORECAST WATERS
FRI NIGHT THROUGH THE WEEKEND.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
VARIABLE WINDS LESS THAN 10 KT, BECOMING SW 10 TO 15 KT
IN THE AFTERNOON. SEAS 6 TO 7 FT.
TONIGHT
W WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
THU AND THU NIGHT
NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI
N WINDS 10 KT IN THE MORNING, BECOMING VARIABLE WINDS
LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI THROUGH SUN
N WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
SE WINDS LESS THAN 10 KT, SHIFTING TO S IN THE
AFTERNOON. SEAS 7 TO 10 FT.
TONIGHT
SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU AND THU NIGHT
NW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI
NW WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
FRI THROUGH SUN
NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
BAHAMAS N OF 22N
TODAY
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TONIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING SW LESS THAN
10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.
THU
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI THROUGH SUN
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
W OF 70W, S WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS 10 TO 15 KT. SEAS
6 TO 8 FT.
TONIGHT
W OF 70W, S WINDS LESS THAN 10 KT, SHIFTING TO SW
AFTER MIDNIGHT. ELSEWHERE, S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
W OF 70W, NW WINDS 10 TO 15 KT, SHIFTING TO N AFTER
MIDNIGHT. ELSEWHERE, SW WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
FRI THROUGH SUN
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU AND THU NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI THROUGH SUN
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU AND THU NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI THROUGH SUN
SE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page