912
FZNT31 KNHC 151434
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1034 AM EDT TUE APR 15 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
GALE FORCE WINDS HAVE RECENTLY ENDED OFFSHORE
COLOMBIA, HOWEVER, STRONG TO NEAR GALE FORCE WINDS WILL CONTINUE
THROUGH EARLY WED. SEAS ARE CURRENTLY PEAKING TO 13 FT OVER
THESE SAME WATERS, BUT WILL SLOWLY SUBSIDE THROUGH WED.
ELSEWHERE, FRESH TO STRONG NORTHEAST TO EAST WINDS WILL CONTINUE
IN THE LEE OF CUBA, THE WINDWARD PASSAGE, AND IN THE LEE OF
HISPANIOLA TODAY AS A HIGH PRESSURE CENTER SHIFTS EASTWARD
ACROSS THE WESTERN ATLANTIC. FRESH TO STRONG NORTHEAST TO EAST
WINDS IN THE SOUTH- CENTRAL CARIBBEAN WILL CONTINUE THROUGH THE
FORECAST PERIOD. ROUGH SEAS CAN BE EXPECTED WITH THE STRONGEST
WINDS.
NW CARIBBEAN W OF 85W
THIS AFTERNOON
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 20 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 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT S OF 18N, AND 3 TO
4 FT ELSEWHERE.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
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.
CARIBBEAN FROM 11N TO 15N W OF 72W
THIS AFTERNOON
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.
TONIGHT
NE WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.
WED
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.
WED NIGHT
NE WINDS 15 TO 20 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI NIGHT
NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
SAT
NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
SAT NIGHT
NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
SW CARIBBEAN S OF 11N
THIS AFTERNOON
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
TONIGHT
N WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED NIGHT
N WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
CARIBBEAN BETWEEN 64W AND 72W
THIS AFTERNOON
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E
10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT.
WED
GULF OF VENEZUELA, E WINDS 20 TO 25 KT, BECOMING NE 10 TO
15 KT IN THE AFTERNOON. ELSEWHERE, 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 15 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 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
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.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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 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
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 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.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDS FROM NEAR 31N49W TO 26N65W,
WHERE IT BECOMES STATIONARY TO THE EASTERN PART OF HISPANIOLA,
FOLLOWED BY HIGH PRESSURE. THE GRADIENT BETWEEN THE HIGH
PRESSURE AND THE COLD FRONT IS ALLOWING FOR FRESH TO STRONG
SOUTHWEST TO WEST WINDS TO EXIST WEST OF THE COLD FRONT NORTH OF
ABOUT 29N. THE FRONT WILL WEAKEN AS ITS CONTINUES EASTWARD
THROUGH WED. ANOTHER COLD FRONT IS EXPECTED TO MOVE OFFSHORE THE
SOUTHEASTERN U.S. LATE THIS AFTERNOON, REACH FROM NEAR 31N75W TO
SOUTH FLORIDA LATE TONIGHT, FROM NEAR 31N72W TO WEST-CENTRAL CUBA
BY EARLY WED AFTERNOON, FROM NEAR 31N65W TO CENTRAL CUBA EARLY
THU, FROM NEAR 31N62W TO 26N67W AND STATIONARY TO HISPANIOLA LATE
THU. THE COLD FRONT PORTION WILL SHIFT EAST OF 55W LATE FRI,
FOLLOWED BY STRONG HIGH PRESSURE. THE RESULTANT GRADIENT IS
EXPECTED TO LEAD TO FRESH TO STRONG NORTHEAST WINDS SOUTH OF
ABOUT 26N, INCLUDING NEAR AND IN THE WINDWARD PASSAGE AND STRAITS
OF FLORIDA BEGINNING LATE FRI. SEAS WITH THESE WINDS WILL BUILD
EAST OF THE BAHAMAS.
ATLC WATERS FROM 27N TO 31N W OF 77W
THIS AFTERNOON
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
THIS AFTERNOON
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED NIGHT
W OF 70W, N WINDS 10 TO 15 KT. ELSEWHERE, SW TO W
WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
BAHAMAS N OF 22N
THIS AFTERNOON
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 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 20 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
THIS AFTERNOON
E WINDS 10 KT. SEAS 4 TO 6 FT.
TONIGHT
SE WINDS LESS THAN 10 KT W OF 70W, AND SE 10 TO 15 KT
ELSEWHERE. SEAS 4 TO 6 FT.
WED
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
W OF 70W, VARIABLE WINDS LESS THAN 10 KT.
ELSEWHERE, E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
SAT
E WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
ATLC WATERS S OF 22N W OF 65W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
E WINDS 10 TO 20 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 3 TO 5 FT.
THU
NE TO E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
FRI
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE TO E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
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