370
FZNT31 KNHC 070300
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1000 PM EST SAT DEC 6 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 A WEAK ATLANTIC
RIDGE ALONG 26N, NORTH OF THE GREATER ANTILLES, AND LOWER
PRESSURES IN NORTHERN SOUTH AMERICA WILL SUSTAIN MODERATE TO
FRESH EASTERLY TRADE WINDS AND MODERATE SEAS OVER THE CENTRAL
AND EASTERN CARIBBEAN THROUGH THE MIDDLE OF NEXT WEEK. STRONG
WINDS WILL PULSE OFF NW COLOMBIA TONIGHT, ALONG WITH LOCALLY
ROUGH SEAS. MODERATE OR LIGHTER WINDS AND SLIGHT TO MODERATE
SEAS WILL PREVAIL ELSEWHERE. A PERSISTENT E-NE SWELL WILL
SUPPORT ROUGH SEAS ACROSS THE ATLANTIC WATERS AND PASSAGES OF
THE LESSER ANTILLES THROUGH NEXT THU. LOOKING AHEAD, A WEAKENING
COLD FRONT WILL APPROACH THE NORTHWESTERN CARIBBEAN ON TUE AND
LINGER ACROSS THE YUCATAN CHANNEL AND STRAITS OF FLORIDA THROUGH
WED. 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
E WINDS 10 TO 15 KT. SEAS 3 TO 4 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
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
TUE
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
NE WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
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. SEAS 3 TO 4 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, E WINDS
LESS THAN 10 KT, INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS
4 TO 6 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT S OF 18N, AND SE LESS THAN
10 KT ELSEWHERE. SEAS 5 TO 7 FT S OF 18N, AND 3 TO 5 FT
ELSEWHERE.
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, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
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 20 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.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 20 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 15 KT ELSEWHERE. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SW CARIBBEAN S OF 11N
TONIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SUN NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 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 15 KT. SEAS 5 TO 7 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU NIGHT
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 6 TO 8 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,
AND 5 TO 7 FT ELSEWHERE.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 20 KT. SEAS 3 FT GULF OF VENEZUELA, AND
5 TO 7 FT ELSEWHERE.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU 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 8 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
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 9 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.
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.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
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 6 TO 9 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.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDS FROM 31N72W TO NEAR COCOA
BEACH, FLORIDA. FRESH TO LOCALLY STRONG WINDS AND MODERATE TO
ROUGH SEAS ARE NOTED AHEAD OF AND BEHIND THE FRONT NORTH OF 29N.
THESE WINDS AND SEAS WILL SHIFT QUICKLY EASTWARD TONIGHT INTO
SUN, AS THE FRONT MOVES EASTWARD. THE FRONT WILL EXTEND FROM NEAR
BERMUDA TO CENTRAL FLORIDA BY EARLY SUN MORNING, THEN DISSIPATE
SUN AFTERNOON. A COMPLEX LOW PRESSURE SYSTEM AND STRONG COLD
FRONT WILL INTO THE NORTHWESTERN TROPICAL ATLANTIC SUN NIGHT AND
MON, SUPPORTING WIDESPREAD FRESH TO NEAR GALE-FORCE WINDS AND
BUILDING SEAS AHEAD OF AND BEHIND THE FRONT MON THROUGH TUE. THE
COLD FRONT WILL REACH FROM NEAR BERMUDA TO THE NW BAHAMAS AND
STRAITS OF FLORIDA TUE MORNING, THEN GRADUALLY WEAKEN AND STALL
ALONG ABOUT 26N EARLY WED. LARGE N 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 WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
N WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
TUE
NE WINDS 15 TO 20 KT, DIMINISHING TO 10 KT IN THE
AFTERNOON. SEAS 7 TO 10 FT.
TUE NIGHT
SE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
WED
SE WINDS LESS THAN 10 KT, SHIFTING TO S IN THE AFTERNOON.
SEAS 5 TO 7 FT.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
W WINDS 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
W WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN
W OF 70W, SE WINDS LESS THAN 10 KT. ELSEWHERE, W WINDS
10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON.
SEAS 6 TO 8 FT.
SUN NIGHT
W OF 70W, S WINDS LESS THAN 10 KT, SHIFTING TO SW
AFTER MIDNIGHT. ELSEWHERE, S WINDS LESS THAN 10 KT. 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
W WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
TUE
N WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 8 TO 12 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
WED NIGHT
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
SW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
BAHAMAS N OF 22N
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
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
NW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 FT.
TUE
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
WED
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
S WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
SUN
SE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
SUN NIGHT
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 4 TO 6 FT.
TUE
NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT, SHIFTING TO E AFTER MIDNIGHT.
SEAS 5 TO 7 FT.
WED
SE WINDS 10 KT. SEAS 6 TO 9 FT.
WED NIGHT
SE WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
THU
S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU NIGHT
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
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
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
MON NIGHT
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS LESS THAN 10 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 15 KT. SEAS 5 TO 7 FT.
THU 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 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 8 FT.
MON
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 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 10 TO 20 KT. SEAS 8 TO 10 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 10 FT.
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