049
FZNT31 KNHC 180752
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
352 AM EDT FRI APR 18 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
STRONG HIGH PRESSURE NORTH OF THE BASIN WILL SUPPORT
FRESH TO STRONG NE WINDS ACROSS THE CENTRAL AND WESTERN
CARIBBEAN THROUGH EARLY NEXT WEEK, INCLUDING THE WINDWARD
PASSAGE AND SOUTH OF CUBA. NEAR-GALE FORCE WINDS WILL PULSE OFF
COLOMBIA DURING THE OVERNIGHT HOURS, ACCOMPANIED BY ROUGH SEAS.
LARGE NORTHERLY SWELL WILL IMPACT THE MONA AND ANEGADA PASSAGES
IN THE NORTHEASTERN CARIBBEAN BY SUN. LOOKING AHEAD, WINDS AND
SEAS WILL DIMINISH STARTING TUE NIGHT AS THE HIGH PRESSURE NORTH
OF THE AREA WEAKENS.
NW CARIBBEAN W OF 85W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
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.
SUN
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 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 6 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
NE WINDS 10 TO 20 KT S OF 18N, AND E 15 TO 25 KT
ELSEWHERE. 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.
SUN
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
NE WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 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.
SAT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND NE 10 TO 20 KT ELSEWHERE. SEAS 7 TO 10 FT.
SAT NIGHT
NE WINDS 15 TO 25 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 6 TO 9 FT.
MON
E WINDS 10 TO 20 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 8 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SW CARIBBEAN S OF 11N
TODAY
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON
NE WINDS 10 TO 15 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 8 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
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 15 TO 25 KT GULF OF VENEZUELA, AND NE 10 TO
20 KT ELSEWHERE. 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.
MON
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 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 15 KT. SEAS 4 TO 6 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TODAY
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.
SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS LESS THAN 10 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 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.
SUN
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT FROM SE OF BERMUDA THROUGH THE SE
BAHAMAS WILL WEAKEN WHILE DRIFTING S TODAY AS HIGH PRESSURE
BUILDS IN THE WAKE OF THE FRONT. A TIGHTENING PRESSURE GRADIENT
BETWEEN THESE TWO FEATURES WILL SUPPORT INCREASING STRONG NE TO
E WINDS AND ROUGH SEAS THIS WEEKEND FROM THE BAHAMAS TO THE
GREATER ANTILLES. WINDS AND SEAS WILL SLOWLY DIMINISH WEST OF 65W
EARLY NEXT WEEK. LOOKING AHEAD, A COMPLEX LOW PRESSURE SYSTEM
MAY DEVELOP IN THE CENTRAL ATLANTIC THIS WEEKEND, PRODUCING FRESH
TO STRONG NE WINDS AND ROUGH SEAS SURROUNDING THE LOW, EAST OF
65W.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON NIGHT
SE WINDS 10 KT. SEAS 3 TO 5 FT.
TUE
SE WINDS 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
SE WINDS 10 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
E WINDS 10 TO 20 KT W OF 70W, AND NE 15 TO 25 KT
ELSEWHERE. SEAS 5 TO 7 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
BAHAMAS N OF 22N
TODAY
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
SAT
NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
SAT NIGHT
NE WINDS 15 TO 25 KT. SEAS 8 TO 10 FT.
SUN
NE WINDS 15 TO 20 KT. SEAS 7 TO 10 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
SUN
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON
NE WINDS 10 TO 20 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 9 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 6 TO 7 FT.
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