139
FZNT31 KNHC 140315
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1015 PM EST SAT DEC 13 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 STRONG WINDS, AND MODERATE TO ROUGH SEAS
ARE EXPECTED OVER THE CENTRAL CARIBBEAN THROUGH SUN MORNING DUE
TO THE PRESSURE GRADIENT BETWEEN THE COLOMBIAN LOW AND A MODEST
WESTERN ATLANTIC RIDGE. WINDS WILL PULSE TO NEAR GALE-FORCE
TONIGHT OFFSHORE OF NORTHERN COLOMBIA. ELSEWHERE, FRESH TO
LOCALLY STRONG TRADE WINDS AND ROUGH SEAS IN LARGE E SWELL WILL
PREVAIL OVER THE TROPICAL ATLANTIC WATERS, THROUGH THE ATLANTIC
PASSAGES AND INTO THE EASTERN PART OF THE BASIN THROUGH MON
NIGHT. A COLD FRONT WILL ENTER THE NORTHWESTERN CARIBBEAN MON,
ACCOMPANIED BY INCREASING WINDS AND BUILDING SEAS BEHIND THE
FRONT. THIS FRONT IS EXPECTED TO REACH FROM CENTRAL CUBA TO N
BELIZE TUE MORNING, THEN WILL BEGIN TO STALL AND WEAKEN THROUGH
WED NIGHT. HIGH PRESSURE WILL BUILD INTO THE W ATLANTIC WED
NIGHT THROUGH THU TO BRING A RETURN TO FRESH TO STRONG TRADES
ACROSS THE CENTRAL CARIBBEAN.
NW CARIBBEAN W OF 85W
TONIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
SUN
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, E WINDS
10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT AFTER MIDNIGHT. SEAS
6 TO 9 FT S OF 18N, AND 4 TO 6 FT ELSEWHERE.
SUN
E WINDS 10 TO 20 KT S OF 18N, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 6 TO 9 FT S OF 18N, AND 3 TO 5 FT ELSEWHERE.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
NE 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 4 TO 6 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 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 7 TO 10 FT.
SUN
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 7 TO 10 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SW CARIBBEAN S OF 11N
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SUN
NE WINDS 10 TO 15 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 6 TO 8 FT.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 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 20 KT. SEAS 5 TO 7 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO 8 FT
ELSEWHERE.
SUN
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT
ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 6 TO 8 FT
ELSEWHERE.
SUN NIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 6 TO 8 FT.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
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 15 KT. SEAS 4 TO 5 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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 5 TO 7 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
MON
E WINDS 10 TO 20 KT. SEAS 7 TO 10 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 15 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 7 TO 10 FT.
THU
E WINDS 10 TO 15 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 7 TO 10 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
MON
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
TUE NIGHT
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 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 6 TO 9 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A GALE WARNING IS IN EFFECT FOR THE OFFSHORE WATERS
E OF NE FLORIDA, E OF 79W. A STRONG COLD FRONT IS FORECAST TO
MOVE OFF THE COAST OF THE SOUTHEASTERN UNITED STATES BY MIDDAY
SUN, FOLLOWED BY STRONG TO NEAR GALE-FORCE NORTHERLY WINDS AND
QUICKLY BUILDING SEAS THROUGH MON MORNING. GALE-FORCE WINDS ARE
EXPECTED IMMEDIATELY BEHIND THE FRONT SUN EVENING THROUGH EARLY
MON. THE FRONT IS EXPECTED TO REACH FROM JUST E OF BERMUDA TO THE
NW BAHAMAS INTO THE STRAITS OF FLORIDA BY MON MORNING, AND FROM
29N55W TO THE SE BAHAMAS AND CENTRAL CUBA BY TUE MORNING. LARGE N
SWELL WILL BUILD IN ACROSS THE REGIONAL WATERS BEHIND THE FRONT
SUN NIGHT THROUGH TUE MORNING BEFORE SUBSIDING. ELSEWHERE, A
STATIONARY FRONT CURRENTLY EXTENDING FROM 29N55W THROUGH THE
CENTRAL BAHAMAS AND ACROSS CENTRAL CUBA IS ACCOMPANIED BY ACTIVE
SHOWERS AND THUNDERSTORMS. THIS BOUNDARY WILL LIFT NORTHWARD
TONIGHT THROUGH SUN AND GRADUALLY DISSIPATE.
ATLC WATERS FROM 27N TO 31N W OF 77W
..GALE WARNING SUN EVENING
TONIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
N WINDS 25 TO 35 KT. SEAS 7 TO 10 FT, BUILDING TO
8 TO 13 FT AFTER MIDNIGHT.
MON
NE WINDS 15 TO 25 KT, DIMINISHING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 10 TO 13 FT.
MON NIGHT
NE WINDS 10 TO 15 KT, SHIFTING TO E AFTER MIDNIGHT.
SEAS 8 TO 11 FT.
TUE
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 6 TO 9 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
..GALE WARNING SUN NIGHT
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT W OF 70W, AND
6 TO 9 FT ELSEWHERE.
SUN
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
W OF 70W, NW WINDS 25 TO 35 KT, SEAS 7 TO 10 FT,
BUILDING TO 8 TO 13 FT AFTER MIDNIGHT. ELSEWHERE, SW WINDS 10 TO
20 KT, BECOMING W TO NW 20 TO 30 KT AFTER MIDNIGHT,SEAS 7 TO 10
FT.
MON
W OF 70W, N WINDS 20 TO 25 KT, SHIFTING TO NE 10 TO 20 KT
IN THE AFTERNOON. ELSEWHERE, N WINDS 20 TO 30 KT. SEAS 10 TO
15 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 10 TO 15 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 8 TO 13 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
BAHAMAS N OF 22N
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN
S WINDS 10 TO 15 KT, SHIFTING TO NW IN THE AFTERNOON.
SEAS 3 TO 5 FT.
SUN NIGHT
N WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED
E WINDS 10 TO 20 KT. 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 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON
W OF 70W, NE WINDS 15 TO 25 KT. ELSEWHERE, W WINDS 10 TO
15 KT, SHIFTING TO N 15 TO 25 KT IN THE AFTERNOON. SEAS 8 TO
13 FT.
MON NIGHT
NE WINDS 15 TO 25 KT. SEAS 8 TO 13 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 8 TO 13 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 9 TO 13 FT.
WED
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
THU
E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 6 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
E WINDS 15 TO 25 KT. SEAS 9 TO 11 FT.
SUN
E WINDS 15 TO 20 KT. SEAS 10 TO 11 FT.
SUN NIGHT
SE WINDS 10 TO 20 KT. SEAS 9 TO 11 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 8 TO 10 FT.
MON NIGHT
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 7 TO 10 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.
WED
E WINDS 10 TO 15 KT. SEAS 9 TO 11 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 8 TO 10 FT.
THU
E WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
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