590
FZNT31 KNHC 311509
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1009 AM EST WED DEC 31 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 LOCALLY STRONG TRADE WINDS WILL PULSE IN
THE SOUTH-CENTRAL CARIBBEAN INTO EARLY THU. A COLD FRONT OVER
THE NORTHWESTERN CARIBBEAN WILL WEAKEN AND EVENTUALLY DISSIPATE
OVER THE NORTHWESTERN BASIN BY LATE WEEK. FRESH NORTH WINDS AND
ROUGH SEAS WILL PREVAIL IN THE WAKE OF THE FRONT, FROM THE
YUCATAN CHANNEL THROUGH THE NORTHWESTERN BASIN TODAY. OVER THE
ATLANTIC WATERS, ROUGH SEAS IN N SWELL WILL SUBSIDE BY THE END
OF THE WEEK.
NW CARIBBEAN W OF 85W
TODAY
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT
SE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,
SUBSIDING TO 2 FT OR LESS.
SAT NIGHT
E WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
VARIABLE WINDS LESS THAN 10 KT, BECOMING N LESS THAN
10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS.
SUN NIGHT
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT.
SAT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
N WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SW CARIBBEAN S OF 11N
TODAY
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
N WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
THU
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
N WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
FRI
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
SAT
N WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SAT NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,
AND 5 TO 7 FT ELSEWHERE.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT GULF OF
VENEZUELA, AND 5 TO 7 FT ELSEWHERE.
THU
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,
AND 5 TO 7 FT ELSEWHERE.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 3 FT GULF OF VENEZUELA,
AND 4 TO 6 FT ELSEWHERE.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 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 15 KT, SHIFTING TO SE IN THE AFTERNOON.
SEAS 6 TO 8 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TODAY
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
ROUGH SEAS IN NORTHWEST NORTHWEST TO NORTH SWELL
EAST
OF 60W WILL CONTINUE TO SUBSIDE THIS MORNING. A COLD FRONT
EXTENDING FROM NEAR 31N63W TO THE SOUTHEASTERN BAHAMAS AND TO
EAST-CENTRAL CUBA WILL WEAKEN AS IT MOVES ACROSS THE EASTERN
OFFSHORE WATERS THU. FRESH TO LOCALLY STRONG SOUTHWEST WINDS AND
ROUGH SEAS WILL PREVAIL AHEAD OF THE FRONT, GENERALLY NORTH OF
26N, THROUGH TONIGHT. FRESH TO LOCALLY STRONG W WINDS AND ROUGH
SEAS MAY DEVELOP OFF THE COAST OF NORTHERN FLORIDA ON THU AS A
COLD FRONT PASSES NORTH OF THE WATERS. OTHERWISE, WEAK HIGH
PRESSURE WILL BUILD OVER THE WESTERN TROPICAL ATLANTIC, WITH
MODERATE OR WEAKER WINDS AND MODERATE SEAS OVER THE REST OF THE
WATERS FOR LATE WEEK.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT NIGHT
SW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
SUN
NW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TONIGHT
NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU
W WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU NIGHT
W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI
W WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
BAHAMAS N OF 22N
TODAY
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
N WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING SW LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
SUN
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
NW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
THU
NW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
NW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TONIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
SE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SE WINDS LESS THAN 10 KT, SHIFTING TO NW AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS THAN
10 KT IN THE AFTERNOON. SEAS 4 TO 5 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SAT NIGHT
E WINDS 10 KT. SEAS 4 TO 5 FT.
SUN
SE WINDS 10 KT. SEAS 5 FT.
SUN NIGHT
SE WINDS 10 KT. SEAS 4 TO 5 FT.
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