087
FZNT31 KNHC 090825
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
425 AM EDT WED APR 9 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 DRIFT ACROSS THE NW
CARIBBEAN TODAY, THEN GRADUALLY DISSIPATE FROM E CUBA TO THE
HONDURAS-NICARAGUA BORDER THU. FRESH TO STRONG NW TO N WINDS
WILL FOLLOW THE FRONT ACROSS THE YUCATAN CHANNEL AND FAR NW
CARIBBEAN THROUGH THIS AFTERNOON. ELSEWHERE, MODERATE TO FRESH
TRADES WILL PREVAIL IN THE SOUTH-CENTRAL CARIBBEAN INTO THE
WEEKEND. FARTHER EAST, LARGE N SWELL WILL CONTINUE TO IMPACT
ATLANTIC WATERS EAST OF THE LESSER ANTILLES THROUGH THU. LOOKING
AHEAD, FRESH TO STRONG N WINDS WILL FOLLOW THE REMNANTS OF THE
FRONT OFF THE COAST OF NICARAGUA LATE FRI INTO SUN.
NW CARIBBEAN W OF 85W
TODAY
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
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 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. 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.
SUN
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
NE 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.
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
N 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.
SUN
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
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.
TONIGHT
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 20 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 5 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 20 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 5 TO 7 FT.
SUN
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SW CARIBBEAN S OF 11N
TODAY
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TONIGHT
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 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 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.
SUN
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 10 TO 20 KT. SEAS 3 FT GULF OF VENEZUELA, AND
4 TO 6 FT ELSEWHERE.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,
AND 4 TO 6 FT ELSEWHERE.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT GULF OF
VENEZUELA, AND 4 TO 6 FT ELSEWHERE.
FRI
E WINDS 10 TO 20 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 20 KT. SEAS 4 TO 5 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 20 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 9 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 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.
SUN
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN 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 20 KT. SEAS 6 TO 9 FT.
TONIGHT
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 5 TO 7 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 20 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.
SUN
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A FRONTAL BOUNDARY EXTENDS FROM JUST WEST OF BERMUDA
TO CENTRAL CUBA EARLY THIS MORNING. ALONG AND JUST AHEAD OF THE
FRONT, SCATTERED STRONG THUNDERSTORMS ARE PRODUCING LOCALLY
STRONG TO NEAR GALE FORCE WINDS. A LOW PRESSURE CENTER HAS
FORMED ALONG THE FRONT JUST NORTH OF THE BAHAMAS. NE WINDS ARE
DEVELOPING NEAR THE LOW THIS MORNING AND WILL INCREASE TO GALE
FORCE NORTH OF 29N BETWEEN 74W-77W TODAY. AS THE LOW MOVES TOWARD
THE NORTHEAST AWAY FROM THE AREA AND WEAKENS THU, CONDITIONS
WILL IMPROVE. LOOKING AHEAD, A WEAKER COLD FRONT WILL MOVE OFF
THE COAST OF FLORIDA LATE FRI, FOLLOWED BY MODERATE TO FRESH W TO
NW WINDS.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT, BUILDING TO 6 TO
9 FT IN THE AFTERNOON.
TONIGHT
NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
THU
NE WINDS 15 TO 25 KT. SEAS 8 TO 13 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 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 20 KT. SEAS 4 TO 5 FT.
SAT NIGHT
NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
..GALE WARNING
TODAY.
N OF 30N AND W OF 73W, NE TO E 25 TO 35 KT. ELSEWHERE
S WINDS 10 TO 15 KT. W OF 70W, SEAS 6 TO 8 FT, BUILDING TO 8 TO
11 FT IN THE AFTERNOON. ELSEWHERE, SEAS 4 TO 6 FT.
TONIGHT
E WINDS 15 TO 25 KT W OF 70W, AND S 10 TO 15 KT
ELSEWHERE. SEAS 8 TO 13 FT W OF 70W, AND 5 TO 7 FT ELSEWHERE.
THU
SE WINDS 10 TO 20 KT. SEAS 8 TO 11 FT W OF 70W, AND 5 TO
7 FT ELSEWHERE.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI
E WINDS 10 TO 15 KT, SHIFTING TO S IN THE AFTERNOON. SEAS
5 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 20 KT. SEAS 4 TO 6 FT.
SUN
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
BAHAMAS N OF 22N
TODAY
SW WINDS 10 TO 15 KT. SEAS 3 FT.
TONIGHT
NW WINDS 10 TO 15 KT. SEAS 3 FT.
THU
NW 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 E 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.
SUN
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN NIGHT
N WINDS LESS THAN 10 KT, SHIFTING TO NE AFTER
MIDNIGHT. 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
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
THU
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
W OF 70W, W WINDS LESS THAN 10 KT, SHIFTING TO SE
AFTER MIDNIGHT. ELSEWHERE, SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
S 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 4 TO 5 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
NW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 5 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
SE 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, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
THU
E WINDS 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 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
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