578
FZNT31 KNHC 161500
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1000 AM EST TUE DEC 16 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 AND MODERATE TO
ROUGH SEAS WILL PREVAIL OVER THE SOUTH-CENTRAL CARIBBEAN THROUGH
THU AS HIGH PRESSURE SHIFTS EASTWARD INTO THE WESTERN ATLANTIC.
ELSEWHERE, FRESH TO LOCALLY STRONG TRADE WINDS AND ROUGH SEAS IN
LARGE E SWELL WILL PERSIST OVER THE TROPICAL ATLANTIC WATERS,
THROUGH THE ATLANTIC PASSAGES AND INTO THE EASTERN PART OF THE
BASIN THROUGH THU NIGHT. AN ATLANTIC COLD FRONT HAS BECOME
NEARLY STATIONARY OVER EAST AND CENTRAL CUBA WHERE IT IS
DISSIPATING. HIGH PRESSURE WILL STRENGTHEN NORTH OF THE BASIN
FRI INTO THE WEEKEND TO BRING A RETURN TO FRESH TO STRONG TRADES
ACROSS THE CENTRAL AND SOUTHWEST CARIBBEAN.
NW CARIBBEAN W OF 85W
TODAY
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
NE 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 3 TO 5 FT.
THU
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU NIGHT
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
NE WINDS 10 TO 15 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 4 TO 6 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
WED
E WINDS 15 TO 20 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 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.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SW CARIBBEAN S OF 11N
TODAY
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 15 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 4 TO 6 FT.
THU NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 15 TO 20 KT GULF OF VENEZUELA, AND E 10 TO
15 KT ELSEWHERE. SEAS 4 TO 5 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 FT GULF OF VENEZUELA, AND
4 TO 6 FT ELSEWHERE.
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 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 20 KT. SEAS 4 TO 6 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TODAY
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 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.
FRI
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 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 6 TO 9 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
THU NIGHT
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 15 KT. SEAS 6 TO 8 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDS FROM 31N53W TO NEAR 25N65W
WHERE IT BECOMES A STATIONARY FRONT THAT CONTINUES SW ACROSS THE
SE BAHAMAS AND EAST-CENTRAL CUBA. FRESH TO STRONG N TO NE WINDS
PREVAIL NORTH OF THE FRONT TO ABOUT 28N THIS MORNING AND WILL
GENERALLY PERSIST THROUGH WED BEFORE DIMINISHING. THE FRONT WILL
DRIFT SOUTHEASTWARD TO THE EAST OF 65W THROUGH WED, AND REMAIN
NEARLY STATIONARY WEST OF 65W BEFORE DISSIPATING LATE WED. LARGE
N SWELL WILL CONTINUE TO BUILD ACROSS THE REGIONAL WATERS BEHIND
THE FRONT THROUGH TONIGHT BEFORE SUBSIDING. HIGH PRESSURE WILL
BRIEFLY DOMINATE THE AREA WED THROUGH THU NIGHT AS THE FRONT
DISSIPATES. A LOW PRESSURE IS FORECAST TO DEVELOP ALONG THE
FRONTAL BOUNDARY, AND OVER THE FAR NE OFFSHORE ZONES ON THU. THIS
SYSTEM WILL MOVE NORTHEASTWARD AND EXIT THE AREA FRI. THE NEXT
COLD FRONT WILL MOVE INTO THE NW WATERS FRI, REACH FROM NEAR
BERMUDA TO THE STRAITS OF FLORIDA SAT MORNING, THE QUICKLY WEAKEN
AND DISSIPATE SAT NIGHT.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
S WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI
W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT NIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT W OF 70W, AND
9 TO 12 FT ELSEWHERE.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT
N WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.
SEAS 6 TO 8 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
BAHAMAS N OF 22N
TODAY
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING NE LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
NE WINDS 10 TO 20 KT. SEAS 8 TO 12 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
WED
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
WED NIGHT
E WINDS 10 TO 20 KT W OF 70W, AND NE 10 TO 20 KT
ELSEWHERE. SEAS 7 TO 8 FT.
THU
E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.
THU NIGHT
E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS 10 TO 15 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 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 4 TO 6 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED
E WINDS 10 TO 15 KT. SEAS 8 TO 9 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
THU
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
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