424
FZNT31 KNHC 121944
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
344 PM EDT FRI SEP 12 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
RELATIVELY WEAK RIDGING OVER THE WESTERN ATLANTIC
WILL MAINTAIN MODERATE WINDS AND SEAS ACROSS THE CARIBBEAN
THROUGH THE EARLY PART OF THE WEEK, EXCEPT FOR GENTLE BREEZES
AND SLIGHT SEAS ACROSS THE NORTHWEST CARIBBEAN. LOOKING AHEAD,
THE RIDGE WILL STRENGTHEN THROUGH MID WEEK, ALLOWING FRESH TRADE
WINDS TO PULSE OVER THE SOUTH-CENTRAL CARIBBEAN ALONG THE COAST
OF SOUTH AMERICA.
NW CARIBBEAN W OF 85W
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
SE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
MON
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT S OF 18N, AND
2 FT OR LESS ELSEWHERE.
SAT
E WINDS 10 TO 15 KT S OF 18N, AND VARIABLE LESS THAN
10 KT ELSEWHERE. SEAS 3 TO 5 FT S OF 18N, AND 2 FT OR LESS
ELSEWHERE.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
E WINDS 10 TO 15 KT S OF 18N, AND VARIABLE LESS THAN
10 KT ELSEWHERE. SEAS 3 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 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.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
WITHIN 90 NM OF COAST OF COLOMBIA, 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.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SW CARIBBEAN S OF 11N
TONIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
W WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
W WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING, SUBSIDING TO
2 FT OR LESS.
SUN NIGHT
N 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 3 TO 4 FT.
TUE
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED
NW WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
NE WINDS 10 TO 20 KT GULF OF VENEZUELA, AND E 10 TO
15 KT ELSEWHERE. SEAS 3 TO 5 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 5 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND E
10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
3 TO 5 FT ELSEWHERE.
SUN
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.
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 5 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TONIGHT
E WINDS LESS THAN 10 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. 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 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS LESS THAN 10 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
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 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.
WED
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A WEAK COLD FRONT EXTENDING FROM NEAR 31N70W TO THE
NORTHERN BAHAMAS AND TO THE STRAITS OF FLORIDA WILL STALL
THROUGH
TONIGHT, THEN GRADUALLY WEAKEN THROUGH MID WEEK. IT WILL
CONTINUE
TO BRING SHOWERS AND THUNDERSTORMS TO WATERS NEAR FLORIDA AND
THE
BAHAMAS INTO THE WEEKEND. MODERATE TO FRESH NE WINDS AND
MODERATE
TO LOCALLY ROUGH SEAS ARE EXPECTED NORTH OF THE FRONT THROUGH
SUN. TO THE EAST OF THE FRONT, BROAD ATLANTIC HIGH PRESSURE WILL
PERSIST EAST OF 70W ALLOWING FOR GENTLE TO MODERATE WINDS AND
MOSTLY MODERATE SEAS.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SAT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SUN
VARIABLE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SUN NIGHT
N WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
MON
SW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
MON NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE NIGHT
SE WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS THAN
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT.
WED NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS THAN
10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT.
SAT NIGHT
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SUN
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SUN NIGHT
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
MON
SW WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 FT.
MON NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS THAN
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
BAHAMAS N OF 22N
TONIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT
S WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS.
SUN
SW WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
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
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
WED
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S 10 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
SUN
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
SE 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 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS THAN
10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS.
SAT NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
SE WINDS LESS THAN 10 KT. SEAS 3 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 5 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
E WINDS 10 KT. SEAS 4 TO 5 FT.
SAT
SE WINDS 10 KT. SEAS 4 TO 5 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 6 FT.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 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.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
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