884
FZNT31 KNHC 011500
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1100 AM 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
THE COMBINATION OF HIGH PRESSURE OVER THE WESTERN
ATLANTIC WITH RELATIVELY LOWER PRESSURES IN SOUTH AMERICA WILL
MAINTAIN A GRADIENT THAT WILL SUPPORT FRESH TO STRONG NORTHEAST
WINDS THROUGH THE WINDWARD PASSAGE AND IN THE LEE OF CUBA
TONIGHT. AT THE SAME TIME, FRESH TO STRONG NORTHEAST WINDS ARE
EXPECTED SOUTH OF THE DOMINICAN REPUBLIC, MAINLY NEAR CABO
BEATA. FRESH TO STRONG NORTHEAST WINDS WILL MATERIALIZE THROUGH
THE WINDWARD PASSAGE FRI 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
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
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 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 20 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.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
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.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
S OF 18N, E WINDS LESS THAN 10 KT, INCREASING TO
10 TO 15 KT AFTER MIDNIGHT. ELSEWHERE, E WINDS 10 TO 15 KT. 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, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
SUN
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
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 LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN FROM 11N TO 15N W OF 72W
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E LESS THAN 10 KT ELSEWHERE. SEAS 3 TO 4 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SW CARIBBEAN S OF 11N
THIS AFTERNOON
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TONIGHT
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 2 FT OR LESS.
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.
CARIBBEAN BETWEEN 64W AND 72W
THIS AFTERNOON
E WINDS 10 TO 15 KT. GULF OF VENEZUELA, SEAS
2 FT OR LESS, BUILDING TO 3 FT IN THE AFTERNOON. ELSEWHERE, SEAS
3 TO 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
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.
FRI NIGHT
GULF OF VENEZUELA, NE WINDS LESS THAN 10 KT,
SHIFTING TO E AFTER MIDNIGHT. ELSEWHERE, E WINDS 10 TO 15 KT.
SEAS 3 TO 4 FT.
SAT
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.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
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.
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.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
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 LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
MON 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 EXTENDING FROM 31N49W TO 25N60W
WILL BEGIN TO WEAKEN LATER TODAY. A SURFACE TROUGH REMAINS AHEAD
OF THE FRONT AND RUNS FROM 28N53W TO A 1013 MB LOW PRESSURE
LOCATED NEAR 24N54W TO THE NE CARIBBEAN NEAR 16N65W. SCATTERED
TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE OVER THE NE WATERS,
MAINLY FROM 25N TO 29N BETWEEN 55W AND 60W. HIGH PRESSURE WEST OF
THESE FEATURES WILL REMAIN ABOUT STATIONARY THROUGH FRI, THEN
BEGIN TO SHIFT EASTWARD INTO THE WEEKEND. THE PRESSURE GRADIENT
BETWEEN THE LOW AND HIGH PRESSURE TO ITS NW WILL INDUCE FRESH
NORTHEAST WINDS NORTH OF 25N AND EAST OF 65W FROM FRI MORNING
INTO THE WEEKEND. THE LOW IS FORECAST TO SLOWLY LIFT NORTH-
NORTHEASTWARD THROUGH FRI NIGHT, THEN WEAKEN INTO A BROAD TROUGH
ON SAT. LOOKING AHEAD, A WEAK COLD FRONT WILL EMERGE OFF THE
NORTHEAST FLORIDA COAST LATE SAT NIGHT INTO SUN.
ATLC WATERS FROM 27N TO 31N W OF 77W
THIS AFTERNOON
SE WINDS 10 KT. SEAS 3 TO 4 FT.
TONIGHT
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
S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN
S WINDS 10 TO 20 KT. SEAS 3 TO 5 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 4 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
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 4 FT.
SAT
E WINDS 10 TO 15 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 3 TO 5 FT.
MON NIGHT
E WINDS 10 KT. SEAS 4 TO 6 FT.
BAHAMAS N OF 22N
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
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
SE 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.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
E WINDS 10 TO 20 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 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 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.
ATLC WATERS S OF 22N W OF 65W
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
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 20 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 20 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 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
THIS AFTERNOON
NE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
TONIGHT
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 LESS THAN 10 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 LESS THAN 10 KT. SEAS 4 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 FT.
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