551
FZNT31 KNHC 090803
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
403 AM EDT TUE SEP 9 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 PRESSURE GRADIENT BETWEEN THE ATLANTIC RIDGE AND
THE COLOMBIAN LOW WILL TIGHTEN SLIGHTLY THIS WEEK, CAUSING WINDS
IN THE CENTRAL BASIN TO INCREASE, BECOMING FRESH OFFSHORE
COLOMBIA AND VENEZUELA BY WED. SLIGHT TO MODERATE SEAS WILL
PREVAIL.
NW CARIBBEAN W OF 85W
TODAY
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI
NE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,
SUBSIDING TO 2 FT OR LESS.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
E WINDS 10 TO 15 KT S OF 18N, AND SE LESS THAN 10 KT
ELSEWHERE. SEAS 3 FT.
TONIGHT
E WINDS 10 TO 15 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 3 TO 5 FT S OF 18N, AND 2 FT OR LESS ELSEWHERE.
WED
S OF 18N, E WINDS 10 TO 15 KT. ELSEWHERE, E WINDS LESS
THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE AFTERNOON. SEAS
4 TO 6 FT S OF 18N, AND 2 FT OR LESS ELSEWHERE.
WED NIGHT
E WINDS 10 TO 15 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 2 FT OR LESS ELSEWHERE.
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 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 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 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU NIGHT
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 LESS THAN 10 KT. SEAS 3 TO 4 FT.
SW CARIBBEAN S OF 11N
TODAY
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TONIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
WED
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
WED NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
VARIABLE WINDS LESS THAN 10 KT, BECOMING NW LESS THAN
10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT.
THU NIGHT
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
SW WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
SW WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
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 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO 5 FT
ELSEWHERE.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU NIGHT
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 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 4 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
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.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. 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 TO 4 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
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.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. 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 TO 4 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A NEARLY STATIONARY FRONT LOCATED OFF NE FLORIDA
WILL REMAIN GENERALLY IN PLACE THROUGH WED, THEN MOVE SE AS A
COLD FRONT BY THU, POSSIBLY REACHING AS FAR SOUTH AS SOUTH
FLORIDA. THIS SYSTEM WILL CONTINUE TO BRING SHOWERS AND
THUNDERSTORMS OVER PARTS OF FLORIDA, THE NW BAHAMAS, AND REGIONAL
WATERS. N OF THE FRONT, FRESH TO LOCALLY STRONG NE WINDS AND
MODERATE SEAS ARE EXPECTED. ELSEWHERE, THE ATLANTIC RIDGE WILL
DOMINATE THE WEATHER PATTERN ACROSS THE FORECAST REGION THIS
WEEK, PRODUCING A GENTLE TO MODERATE ANTICYCLONIC FLOW AND SLIGHT
TO MODERATE SEAS.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
WED
W WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
WED NIGHT
NW WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU
N WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
THU NIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
FRI
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
W OF 70W, S WINDS 10 TO 15 KT, SHIFTING TO SW IN THE
AFTERNOON. ELSEWHERE, S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
S WINDS LESS THAN 10 KT W OF 70W, AND S 10 TO 15 KT
ELSEWHERE. SEAS 4 TO 6 FT.
WED
S WINDS 10 KT. SEAS 4 TO 5 FT.
WED NIGHT
S WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
THU
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 FT.
THU NIGHT
VARIABLE 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 TO 4 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS THAN
10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT.
SAT NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
BAHAMAS N OF 22N
TODAY
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
WED
SE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,
SUBSIDING TO 2 FT OR LESS.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
THU
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
FRI
SE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
WED
SE WINDS 10 KT. SEAS 4 TO 5 FT.
WED NIGHT
SE WINDS 10 KT. SEAS 4 TO 5 FT.
THU
SE WINDS LESS THAN 10 KT. SEAS 4 FT.
THU NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 FT.
FRI
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
ATLC WATERS S OF 22N W OF 65W
TODAY
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
THU
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING,
SUBSIDING TO 2 FT OR LESS.
SAT
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TODAY
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 5 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
THU
E WINDS 10 KT. SEAS 4 TO 5 FT.
THU NIGHT
E WINDS 10 KT. SEAS 4 TO 5 FT.
FRI
E WINDS 10 KT. SEAS 4 FT.
FRI NIGHT
E WINDS 10 KT. SEAS 3 TO 4 FT.
SAT
E WINDS 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 KT. SEAS 3 TO 5 FT.
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