470
FZNT31 KNHC 020133
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
933 PM EDT THU MAY 1 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
HIGH PRESSURE OVER THE WESTERN ATLANTIC COMBINED
WITH THE COLOMBIAN LOW WILL SUPPORT FRESH TO STRONG NORTHEAST
WINDS THROUGH THE WINDWARD PASSAGE TONIGHT. AT THE SAME TIME,
FRESH NORTHEAST WINDS ARE EXPECTED SOUTH OF THE DOMINICAN
REPUBLIC, MAINLY NEAR CABO BEATA, AND IN THE LEE OF CUBA. FRESH
TO STRONG NORTHEAST WINDS WILL MATERIALIZE THROUGH THE WINDWARD
PASSAGE AGAIN FRI NIGHT. MODERATE TO FRESH WINDS WILL PULSE
NORTH OF HONDURAS, INCREASING TO FRESH TO STRONG TUE NIGHT.
UNSETTLED WEATHER IS EXPECTED TO CONTINUE OVER MOST OF THE
EASTERN CARIBBEAN INTO THE WEEKEND. OTHERWISE, RATHER QUIET
CONDITIONS ARE EXPECTED OVER THE BASIN INTO EARLY NEXT WEEK.
NW CARIBBEAN W OF 85W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
S OF 18N, E WINDS 10 TO 15 KT. ELSEWHERE, E WINDS
LESS THAN 10 KT, INCREASING TO 10 TO 15 KT AFTER MIDNIGHT.
SEAS 3 TO 4 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
TUE
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO 3 FT
IN THE AFTERNOON.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 3 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SW CARIBBEAN S OF 11N
OVERNIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN BETWEEN 64W AND 72W
OVERNIGHT
E WINDS 15 TO 20 KT GULF OF VENEZUELA, AND
E 10 TO 15 KT ELSEWHERE. SEAS 3 TO 4 FT.
FRI
GULF OF VENEZUELA, E WINDS 10 TO 15 KT, DIMINISHING TO
LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO
15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
GULF OF VENEZUELA, E WINDS 10 TO 15 KT, SHIFTING TO S IN
THE AFTERNOON. ELSEWHERE, E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E 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 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
OVERNIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
OVERNIGHT
E WINDS 10 TO 15 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 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.
SUN
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A STATIONARY FRONT AND A SURFACE TROUGH, WITH A WEAK
LOW ALONG IT, WILL PERSIST OVER THE CENTRAL ATLANTIC BETWEEN 50W
AND 60W OVER THE NEXT 48 HOURS. FRESH TO STRONG SE TO S WINDS
AND BUILDING SEAS TO ROUGH ARE EXPECTED FIRST OVER THE E SIDE OF
THE TROUGH ON FRI, THEN OVER THE NW PART OF IT ON FRI NIGHT AND
SAT DUE TO THE PRESSURE GRADIENT BETWEEN THE TROUGH/LOW AND HIGH
PRESSURE TO THE N. THE LOW SHOULD DISSIPATE BY SUN, AND THE
TROUGH IS FORECAST TO DRIFT WESTWARD OVER THE FORECAST WATERS
EARLY NEXT WEEK. AN AREA OF FRESH TO STRONG EASTERLY WINDS AND
ROUGH SEAS WILL PERSIST NEAR THE NORTHERN END OF THE TROUGH AXIS
AFFECTING MAINLY THE NE WATERS. LOOKING AHEAD, A WEAK COLD FRONT
WILL EMERGE OFF THE NORTHEAST FLORIDA COAST LATE SAT NIGHT INTO
SUN WHERE IT MAY DISSIPATE.
ATLC WATERS FROM 27N TO 31N W OF 77W
OVERNIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
OVERNIGHT
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 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
BAHAMAS N OF 22N
OVERNIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 20 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 4 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
MON
SE WINDS 10 TO 15 KT, SHIFTING TO E IN THE AFTERNOON.
SEAS 3 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 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 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 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON
E WINDS 10 KT. SEAS 4 TO 5 FT.
MON NIGHT
E WINDS 10 KT. SEAS 4 TO 5 FT.
TUE
NE WINDS 10 KT. SEAS 4 TO 5 FT.
TUE NIGHT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
ATLC WATERS S OF 22N W OF 65W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 20 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 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
OVERNIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT
NE WINDS 10 KT. SEAS 4 TO 5 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
MON
E WINDS 10 KT IN THE MORNING, BECOMING VARIABLE WINDS
LESS THAN 10 KT. SEAS 4 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
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