308
FZNT31 KNHC 041504
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1004 AM EST THU DEC 4 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
MODERATE TO FRESH E TO NE WINDS AND MODERATE SEAS
ARE EXPECTED OVER MUCH OF THE CARIBBEAN THROUGH LATE SAT AS LOW
PRESSURE PREVAILS OVER THE SOUTH-CENTRAL BASIN AND HIGH PRESSURE
DRIFTS EASTWARD IN THE CENTRAL ATLANTIC. LOCALLY STRONG WINDS MAY
PULSE OFFSHORE OF COLOMBIA LATE TONIGHT. MAINLY MODERATE TRADE
WINDS ARE THEN EXPECTED SUN INTO NEXT WEEK. ROUGH SEAS IN E SWELL
WILL PREVAIL EAST OF THE LESSER ANTILLES AND THROUGH THE
ATLANTIC PASSAGES INTO EARLY NEXT WEEK. LOOKING AHEAD, A COLD
FRONT MAY APPROACH THE NW CARIBBEAN EARLY NEXT WEEK.
NW CARIBBEAN W OF 85W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT, SHIFTING TO SE AFTER MIDNIGHT.
SEAS 3 FT.
SAT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, E WINDS
10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
E WINDS 10 TO 20 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SW CARIBBEAN S OF 11N
TODAY
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 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. SEAS 3 TO 4 FT.
SUN
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF
VENEZUELA, AND 4 TO 6 FT ELSEWHERE.
TONIGHT
E WINDS 10 TO 20 KT. GULF OF VENEZUELA, SEAS 3 TO
4 FT IN THE EVENING, SUBSIDING TO 2 FT OR LESS. ELSEWHERE, SEAS
5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT. GULF OF VENEZUELA, SEAS 2 FT OR
LESS, BUILDING TO 3 FT IN THE AFTERNOON. ELSEWHERE, SEAS 5 TO
7 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT GULF OF
VENEZUELA, AND 5 TO 7 FT ELSEWHERE.
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 15 KT. SEAS 5 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
MON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TODAY
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
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 15 KT. SEAS 6 TO 8 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 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 7 TO 10 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT
E WINDS 10 TO 20 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 6 TO 9 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
ROUGH SEAS IN E SWELL AND MODERATE TO FRESH TRADE
WINDS SOUTH OF 22N AND EAST OF 60W WILL SLOWLY SUBSIDE INTO FRI.
ELSEWHERE, A WEAKENING COLD FRONT IS SLATED TO MOVE THROUGH THE
CENTRAL ATLANTIC ON FRI, LEADING TO FRESH NW TO NE WINDS AND
ROUGH SEAS NORTH OF 27N AND EAST OF 65W THROUGH FRI NIGHT. A LOW
PRESSURE SYSTEM MOVING THROUGH THE SOUTHERN UNITED STATES WILL
SUPPORT FRESH TO LOCALLY STRONG SW WINDS OFFSHORE OF NORTHERN
FLORIDA BY FRI MORNING, WITH FRESH WINDS AND LOCALLY ROUGH SEAS
EXPANDING EASTWARD INTO THE CENTRAL ATLANTIC THIS WEEKEND. A COLD
FRONT ASSOCIATED WITH THIS SYSTEM WILL PUSH OFFSHORE OF THE
SOUTHEASTERN U.S. THIS WEEKEND, LEADING TO LOCALLY FRESH N TO NE
WINDS IN THE WAKE OF THE FRONT OFFSHORE OF FLORIDA. LOOKING
AHEAD, A COMPLEX LOW PRESSURE SYSTEM AND STRONG COLD FRONT MAY
MOVE THROUGH THE NORTHWESTERN TROPICAL ATLANTIC BY EARLY NEXT
WEEK, SUPPORTING WIDESPREAD FRESH TO STRONG WINDS AND BUILDING
SEAS BEHIND THE FRONT.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
N WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
TONIGHT
E WINDS 10 KT. SEAS 4 TO 5 FT.
FRI
S WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
FRI NIGHT
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
W WINDS 10 TO 15 KT, SHIFTING TO N AFTER MIDNIGHT.
SEAS 3 TO 5 FT.
SUN
SE WINDS LESS THAN 10 KT, SHIFTING TO SW 10 TO 15 KT IN
THE AFTERNOON. SEAS 4 TO 5 FT.
SUN NIGHT
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
NW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT, BUILDING TO
8 TO 12 FT AFTER MIDNIGHT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
NW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 15 KT W OF 70W, AND N LESS THAN 10 KT
ELSEWHERE. SEAS 5 TO 7 FT.
FRI
W OF 70W, E WINDS LESS THAN 10 KT, SHIFTING TO S IN THE
AFTERNOON. ELSEWHERE, SE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
FRI NIGHT
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN
SW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SUN NIGHT
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
W WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
MON NIGHT
NW WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
BAHAMAS N OF 22N
TODAY
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 15 KT, SHIFTING TO SE IN THE AFTERNOON.
SEAS 3 TO 4 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT NIGHT
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS,
BUILDING TO 3 TO 4 FT AFTER MIDNIGHT.
SUN
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 FT.
MON
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
NE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
SAT
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT NIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SUN
S WINDS 10 KT. SEAS 4 TO 6 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 15 KT. 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 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 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
E WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
MON NIGHT
SE WINDS 10 KT. SEAS 5 TO 7 FT.
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