027
FZNT31 KNHC 161517
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1117 AM EDT WED APR 16 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 TO NEAR-GALE FORCE NORTHEAST WINDS AND ROUGH
SEAS ARE EXPECTED OFFSHORE OF COLOMBIA EACH NIGHT AND MORNING
THROUGH THIS WEEKEND. IN THE GULF OF VENEZUELA, PULSING STRONG
WINDS WILL OCCUR THROUGH THIS WEEKEND. OTHERWISE, MODERATE TO
FRESH TRADE WINDS AND MODERATE SEAS WILL PREVAIL OVER THE BASIN
THROUGH THU. LOOKING AHEAD, FRESH TO LOCALLY STRONG NORTHEAST
WINDS ARE EXPECTED TO DEVELOP THU NIGHT INTO FRI OVER THE
NORTHWESTERN AND CENTRAL PORTIONS OF THE SEA, INCLUDING IN THE
WINDWARD PASSAGE, AS A TIGHTENING PRESSURE GRADIENT DEVELOPS
BETWEEN THE COLOMBIAN LOW AND INTENSIFYING WESTERN ATLANTIC HIGH
PRESSURE. WIDESPREAD FRESH TO STRONG WINDS AND LOCALLY ROUGH
SEAS ARE ANTICIPATED FRI NIGHT INTO EARLY NEXT WEEK.
NW CARIBBEAN W OF 85W
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
NE WINDS 10 TO 20 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.
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.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT S OF 18N,
AND 3 TO 4 FT ELSEWHERE.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
NE 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 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 6 TO 8 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
THIS AFTERNOON
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TONIGHT
NE WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
THU
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
THU NIGHT
NE WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 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.
SUN
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
SUN NIGHT
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
SW CARIBBEAN S OF 11N
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TONIGHT
N WINDS 10 TO 20 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 9 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.
SUN
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
CARIBBEAN BETWEEN 64W AND 72W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
NE 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.
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
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 6 TO 8 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
TONIGHT
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 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.
SUN
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
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 15 KT. SEAS 6 TO 8 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.
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.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDING FROM 31N77W TO INLAND FLORIDA
NEAR FORT PIERCE WILL REACH FROM NEAR 31N65W TO THE CENTRAL
BAHAMAS AND STRAITS OF FLORIDA EARLY THU AND FROM NEAR 31N61W TO
THE CENTRAL BAHAMAS BY THU EVENING. THE FRONT WILL THEN BECOME
STATIONARY OVER THE EASTERN PART OF THE AREA DURING THE UPCOMING
WEEKEND AS A LARGE AREA OF HIGH PRESSURE BUILDS IN BEHIND IT,
WITH THE PARENT HIGH CENTER TO BE LOCATED NEAR 31N72W. A
TIGHTENING PRESSURE GRADIENT BETWEEN THE HIGH PRESSURE AND THE
FRONT IS EXPECTED TO DEVELOP FRESH TO STRONG NORTHEAST TO EAST
WINDS BEHIND THE FRONT SOUTH OF ABOUT 26N STARTING FRI. THESE
WINDS WILL EXPAND IN COVERAGE GOING INTO THE WEEKEND. SEAS EAST
AND NORTHEAST OF THE BAHAMAS WILL BECOME ROUGH BEGINNING FRI
OTHERWISE, MODERATE TO FRESH TRADE WINDS WILL GENERALLY REMAIN
SOUTH OF 20N THROUGH THIS WEEKEND.
ATLC WATERS FROM 27N TO 31N W OF 77W
THIS AFTERNOON
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
N WINDS 10 KT. SEAS 3 TO 5 FT.
THU
NE WINDS 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 4 TO 6 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.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
THIS AFTERNOON
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
NW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
THU
NE 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 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 15 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
BAHAMAS N OF 22N
THIS AFTERNOON
N WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT.
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 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 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.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
THIS AFTERNOON
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
W OF 70W, NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO
15 KT IN THE AFTERNOON. ELSEWHERE, NE WINDS LESS THAN 10 KT.
SEAS 3 TO 5 FT.
THU NIGHT
W OF 70W, NE WINDS 10 TO 20 KT. ELSEWHERE, NE WINDS
10 TO 15 KT AFTER MIDNIGHT. 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 9 FT.
SAT
NE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
NE WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.
SUN
NE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
ATLC WATERS S OF 22N W OF 65W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
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 5 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 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 7 TO 9 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 6 FT.
TONIGHT
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 5 TO 7 FT.
FRI NIGHT
NE TO E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 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.
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