224
FZNT31 KNHC 080318
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1018 PM EST SUN DEC 7 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
WEAK RIDGING NORTH OF THE BASIN NEAR 24N WILL
SUPPORT MODERATE TO FRESH TRADE WINDS AND MODERATE SEAS EAST OF
ABOUT 84W THROUGH THE PERIOD, EXCEPT TRADES WILL INCREASE TO
FRESH TO STRONG SPEEDS ACROSS THE CENTRAL CARIBBEAN AND THE
EASTERN PART OF THE SOUTHWESTERN CARIBBEAN STARTING LATE TUE
NIGHT. MODERATE OR LIGHTER WINDS AND SLIGHT TO MODERATE SEAS
WILL PREVAIL W OF 84W. LONG-PERIOD NORTHEAST TO EAST SWELL WILL
SUPPORT ROUGH SEAS ACROSS THE ATLANTIC WATERS AND PASSAGES OF
THE LESSER ANTILLES THROUGH FRI NIGHT. A WEAKENING COLD FRONT IS
EXPECTED TO APPROACH THE NORTHWESTERN CARIBBEAN ON TUE AND
LINGER ACROSS THE YUCATAN CHANNEL AND STRAITS OF FLORIDA THROUGH
WED NIGHT BEFORE DISSIPATING. HIGH PRESSURE WILL BUILD ACROSS
THE EASTERN GULF OF AMERICA BY THE MIDDLE OF NEXT WEEK, LEADING
TO STRONG WINDS AND ROUGH SEAS IN THE SOUTH- CENTRAL CARIBBEAN
INTO LATE NEXT WEEK.
NW CARIBBEAN W OF 85W
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 FT.
THU NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 4 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.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
S OF 18N, E WINDS 10 TO 15 KT. ELSEWHERE, SE WINDS
10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT AFTER MIDNIGHT. SEAS
4 TO 6 FT.
MON
E WINDS 10 TO 15 KT S OF 18N, AND SE LESS THAN 10 KT
ELSEWHERE. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 3 TO 4 FT ELSEWHERE.
TUE
E WINDS 10 TO 15 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 3 FT ELSEWHERE.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
FRI
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SW CARIBBEAN S OF 11N
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
MON
SE WINDS LESS THAN 10 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 4 TO 6 FT.
MON NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
WED NIGHT
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
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,
AND 5 TO 7 FT ELSEWHERE.
MON NIGHT
E WINDS 15 TO 20 KT GULF OF VENEZUELA, AND E 10 TO
15 KT ELSEWHERE. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT GULF OF VENEZUELA,
AND 5 TO 7 FT ELSEWHERE.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
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
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 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.
TUE
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
THU
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
FRI NIGHT
E WINDS 15 TO 20 KT. SEAS 8 TO 11 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.
MON
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A WEAKENING STATIONARY FRONT EXTENDS FROM NEAR
31N73W TO 30N79W AND TO INLAND CENTRAL FLORIDA NEAR DAYTONA
BEACH. FRESH TO LOCALLY STRONG WINDS AND MODERATE TO ROUGH SEAS
ARE NEAR THE FRONT AND E OF 60W. THESE WINDS AND SEAS WILL SHIFT
EASTWARD TONIGHT AS THE FRONT DISSIPATES. A COMPLEX LOW PRESSURE
SYSTEM AND STRONG COLD FRONT WILL MOVE INTO THE NORTHWESTERN
TROPICAL ATLANTIC THROUGH MON, SUPPORTING WIDESPREAD STRONG TO
NEAR GALE- FORCE WINDS NORTH F 27N, AND BUILDING SEAS AHEAD OF
AND BEHIND THE FRONT MON THROUGH TUE EVENING. THE COLD FRONT WILL
REACH FROM NEAR BERMUDA TO THE NW BAHAMAS AND STRAITS OF FLORIDA
TUE AFTERNOON, THEN GRADUALLY WEAKEN AND STALL ALONG ABOUT 26N
EARLY WED AS THE LOW PRESSURE SHIFTS WELL NE OF THE AREA. LARGE
NORTH SWELL WILL MOVE INTO THE REGIONAL WATERS TUE THROUGH WED
THEN DIMINISH WED NIGHT.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
N WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
NE WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
WED
SW WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
WED NIGHT
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
SW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 5 TO 6 FT.
MON
W WINDS 10 TO 20 KT W OF 70W, AND SW 15 TO 25 KT
ELSEWHERE. SEAS 6 TO 9 FT.
MON NIGHT
NW WINDS 15 TO 25 KT W OF 70W, AND SW 10 TO 20 KT
ELSEWHERE. SEAS 6 TO 9 FT.
TUE
N WINDS 10 TO 20 KT W OF 70W, AND NW 15 TO 25 KT
ELSEWHERE. SEAS 8 TO 11 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 8 TO 11 FT.
WED
S WINDS LESS THAN 10 KT. SEAS 8 TO 11 FT.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
THU
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
W WINDS 10 KT. SEAS 5 TO 7 FT.
FRI
W WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
FRI NIGHT
W WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
BAHAMAS N OF 22N
TONIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
W TO NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
SE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
MON
S WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
TUE
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT, SHIFTING TO E AFTER MIDNIGHT.
SEAS 6 TO 8 FT.
WED
SE WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
WED NIGHT
SE WINDS LESS THAN 10 KT, SHIFTING TO S AFTER
MIDNIGHT. SEAS 6 TO 9 FT.
THU
S WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 6 TO 8 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
FRI
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
MON NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED
SE WINDS LESS THAN 10 KT, SHIFTING TO E IN THE AFTERNOON.
SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 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 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.
THU
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
THU NIGHT
E WINDS 15 TO 20 KT. SEAS 8 TO 11 FT.
FRI
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
FRI NIGHT
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
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