875
FZNT31 KNHC 080904
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
504 AM EDT TUE APR 8 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 SLOW MOVING COLD FRONT WILL MOVE ACROSS THE
NORTHWEST CARIBBEAN THROUGH MID WEEK, BEFORE STALLING AND
DISSIPATING FROM EASTERN CUBA TO NORTHEAST HONDURAS LATE THU.
FRESH TO STRONG NW TO N WINDS AND MODERATE TO ROUGH SEAS WILL
FOLLOW THE FRONT ACROSS THE YUCATAN CHANNEL AND FAR NORTHWEST
CARIBBEAN THIS AFTERNOON THROUGH EARLY WED, THEN DIMINISH.
ELSEWHERE, MODERATE TO FRESH TRADES WILL PREVAIL IN THE SOUTH-
CENTRAL CARIBBEAN THROUGH AT LEAST MID-WEEK, WITH STRONG WINDS
PULSING OFF COLOMBIA TONIGHT. FARTHER EAST, LARGE N SWELL WILL
IMPACT THE WATERS OFF THE LEEWARD AND WINDWARD ISLANDS TUE NIGHT
THROUGH THU. LOOKING AHEAD, FRESH TO STRONG N WINDS AND BUILDING
SEAS WILL FOLLOW THE REMNANTS OF THE FRONT OFF THE COAST OF
NICARAGUA LATE FRI THROUGH SAT NIGHT.
NW CARIBBEAN W OF 85W
TODAY
S WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE
AFTERNOON. SEAS 4 TO 6 FT.
TONIGHT
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
E WINDS 10 TO 15 KT S OF 18N, AND S LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 15 KT S OF 18N, AND SW LESS THAN 10 KT
ELSEWHERE. SEAS 3 TO 5 FT.
WED
S OF 18N, NE WINDS 10 TO 15 KT. ELSEWHERE, N WINDS LESS
THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE AFTERNOON. SEAS
3 TO 5 FT.
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 15 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
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.
TONIGHT
NE WINDS 15 TO 20 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 20 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT.
WED NIGHT
NE WINDS 15 TO 20 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 5 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SW CARIBBEAN S OF 11N
TODAY
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
TONIGHT
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
WED
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
THU NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 10 TO 20 KT GULF OF VENEZUELA, AND E 10 TO
15 KT ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 4 TO 6 FT
ELSEWHERE.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 20 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 5 TO 7 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TODAY
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 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 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 4 TO 6 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TODAY
E WINDS 10 TO 15 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 9 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
THU
E WINDS 10 TO 15 KT. SEAS 6 TO 9 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.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
STRONG SW WINDS ARE AHEAD OF AND FOLLOWING A COLD
FRONT MOVING OFF THE NORTHEAST COAST OF FLORIDA CURRENTLY
REACHING FROM 31N79W TO CAPE CANAVERAL. THE WINDS WILL DIMINISH
THIS AFTERNOON AS THE FRONT MOVES FARTHER EAST, EVENTUALLY
STALLING FROM BERMUDA TO THE CENTRAL BAHAMAS TO CENTRAL CUBA BY
LATE WED. LOW PRESSURE WILL FORM ALONG THE FRONT NEAR THE
NORTHERN BAHAMAS TONIGHT INTO WED. THIS PATTERN WILL SUPPORT
STRONG TO NEAR- GALE FORCE NE WINDS WITH BUILDING SEAS NORTH OF
29N BETWEEN 70W AND 80W LATE LATE TONIGHT INTO WED NIGHT, WITH
WINDS REACHING GALE FORCE WED MORNING INTO AFTERNOON ALONG WITH
ROUGH TO VERY ROUGH SEAS. CONDITIONS WILL IMPROVE THROUGH THU AS
THE LOW PRESSURE DISSIPATES. LOOKING AHEAD, ANOTHER WEAKER FRONT
WILL MOVE OFF THE COAST OF FLORIDA FRI NIGHT, FOLLOWED BY
MODERATE TO FRESH WINDS. FARTHER WEST, LARGE N SWELL IMPACTING
WATERS EAST OF 60W WILL CONTINUE SOUTHWARD INTO THE TROPICAL
ATLANTIC THROUGH TONIGHT.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT, BUILDING TO 6 TO
9 FT IN THE AFTERNOON.
WED NIGHT
NE WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT
W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
..GALE WARNING WED
TODAY
SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TONIGHT
W OF 70W, W WINDS 10 TO 15 KT, SHIFTING TO SW AFTER
MIDNIGHT. ELSEWHERE, SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
NW WINDS 25 TO 35 KT W OF 75W, AND S 10 TO 15 KT
ELSEWHERE. SEAS 7 TO 10 FT W OF 70W, AND 5 TO 7 FT ELSEWHERE.
WED NIGHT
W OF 70W, E WINDS 15 TO 25 KT. ELSEWHERE, S WINDS
LESS THAN 10 KT, INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS
8 TO 11 FT W OF 70W, AND 5 TO 7 FT ELSEWHERE.
THU
SE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
THU NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 6 TO 8 FT.
FRI
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI NIGHT
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 5 FT.
SAT
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
BAHAMAS N OF 22N
TODAY
S WINDS 10 TO 15 KT. SEAS 3 FT.
TONIGHT
S WINDS LESS THAN 10 KT. SEAS 3 FT.
WED
S WINDS LESS THAN 10 KT, SHIFTING TO SW IN THE AFTERNOON.
SEAS 3 FT.
WED NIGHT
NW WINDS 10 TO 15 KT, SHIFTING TO N AFTER MIDNIGHT.
SEAS 3 FT.
THU
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 FT IN THE EVENING, SUBSIDING
TO 2 FT OR LESS.
SAT
W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
NW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS,
BUILDING TO 3 FT AFTER MIDNIGHT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
THU
SE WINDS 10 TO 15 KT, SHIFTING TO S IN THE AFTERNOON.
SEAS 5 TO 7 FT.
THU NIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 5 FT.
SAT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
SE 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 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E 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 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 6 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 6 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
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