433
FZNT31 KNHC 302036
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
336 PM EST TUE DEC 30 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 E WINDS WILL PULSE IN THE
SOUTH-CENTRAL CARIBBEAN INTO EARLY THU AS LOW PRESSURE PREVAILS
OVER NORTHERN COLOMBIA. LOCALLY ROUGH SEAS WILL BE POSSIBLE
OFFSHORE OF NORTHERN COLOMBIA INTO EARLY WED. ELSEWHERE, A COLD
FRONT MOVING INTO THE NORTHWESTERN CARIBBEAN WILL SUPPORT FRESH
TO LOCALLY STRONG N WINDS AND ROUGH SEAS IN THE WAKE OF THE
FRONT, FROM THE YUCATAN CHANNEL THROUGH THE NORTHWESTERN BASIN
THROUGH WED. FOLLOWING THE FRONT, HIGH PRESSURE WILL BUILD OVER
THE GULF OF AMERICA, LEADING TO MODERATE TO FRESH N TO NE WINDS
OVER THE CENTRAL AND WESTERN CARIBBEAN THROUGH LATE WEEK. OVER
THE ATLANTIC WATERS, ROUGH SEAS IN N SWELL WILL PREVAIL THROUGH
LATE THU, WITH SEAS SUBSIDING BY FRI.
NW CARIBBEAN W OF 85W
TONIGHT
N WINDS 15 TO 25 KT. SEAS 7 TO 11 FT.
WED
N WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED NIGHT
N WINDS 10 TO 20 KT. SEAS 5 TO 8 FT.
THU
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI
E 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 IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 FT.
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. SEAS 2 FT OR LESS.
SUN NIGHT
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS,
BUILDING TO 3 FT AFTER MIDNIGHT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 8 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 4 TO 8 FT.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 7 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. 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 FT.
SUN
N WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 5 TO 8 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 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 20 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. SEAS 3 TO 5 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SW CARIBBEAN S OF 11N
TONIGHT
N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED NIGHT
N WINDS 10 TO 20 KT. SEAS 5 TO 7 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. 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. SEAS 3 TO 4 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,
AND 5 TO 7 FT ELSEWHERE.
WED NIGHT
E WINDS 15 TO 25 KT. SEAS 3 TO 5 FT GULF OF
VENEZUELA, AND 5 TO 8 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 4 TO 6 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 20 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
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
SE WINDS 10 TO 15 KT. 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 10 TO 15 KT. SEAS 3 TO 5 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 8 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU
E WINDS 10 TO 15 KT. SEAS 5 TO 8 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 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 4 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 N TO NW SWELL ASSOCIATED WITH A COLD
FRONT IN THE CENTRAL TROPICAL ATLANTIC, EAST OF 64W, WILL SLOWLY
SUBSIDE FROM WEST TO EAST BY EARLY WED. A COLD FRONT EXTENDING
FROM 31N66W SOUTHWESTWARD THROUGH THE CENTRAL BAHAMAS AND
NORTHWESTERN CUBA WILL PROGRESS EASTWARD THROUGH MIDWEEK,
SUPPORTING FRESH TO LOCALLY STRONG SW WINDS AND ROUGH SEAS AHEAD
OF THE FRONT, GENERALLY NORTH OF 26N, THROUGH THU. MODERATE TO
FRESH NW WINDS AND ROUGH SEAS IN NW SWELL ARE EXPECTED IN THE
WAKE OF THE FRONT INTO WED. LOOKING AHEAD, 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 BUILDING OVER THE WESTERN
TROPICAL ATLANTIC WILL SUPPORT 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
TONIGHT
NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED NIGHT
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
W WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 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
W WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
SUN
NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
NW TO W WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED
NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED NIGHT
W OF 70W, W WINDS 10 TO 15 KT. ELSEWHERE, NW WINDS
10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT AFTER MIDNIGHT. SEAS
6 TO 8 FT.
THU
W WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
THU NIGHT
W WINDS 10 TO 20 KT. SEAS 6 TO 10 FT.
FRI
W WINDS 10 KT. SEAS 6 TO 9 FT.
FRI NIGHT
W WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 6 TO 8 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 15 TO 25 KT. SEAS 6 TO 9 FT.
SUN NIGHT
NW WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
BAHAMAS N OF 22N
TONIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
NW WINDS 10 TO 15 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. SEAS 3 FT.
FRI
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,
SUBSIDING TO 2 FT OR LESS.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
W WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 FT OR LESS.
SUN NIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING,
SUBSIDING TO 2 FT OR LESS.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
NW WINDS 10 TO 15 KT W OF 70W, AND NW LESS THAN 10 KT
ELSEWHERE. 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
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT
SW 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
TONIGHT
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
WED
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
NW 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 5 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
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED NIGHT
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
THU
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI
VARIABLE WINDS LESS THAN 10 KT. SEAS 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 6 FT.
SUN
SE WINDS 10 KT. SEAS 5 TO 6 FT.
SUN NIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
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