658
FZNT31 KNHC 091908
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
308 PM 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 TO STRONG OFFSHORE
COLOMBIA AND VENEZUELA TONIGHT THROUGH FRI. MODERATE TO LOCALLY
ROUGH SEAS ARE EXPECTED WITH THE STRONGEST WINDS. ELSEWHERE, GENTLE
TO MODERATE WINDS WITH SLIGHT TO MODERATE SEAS WILL PREVAIL.
NW CARIBBEAN W OF 85W
TONIGHT
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 4 FT.
THU
E WINDS 10 TO 15 KT. 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.
FRI NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
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
E WINDS 10 TO 15 KT. 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 20 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 NIGHT
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. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
NE WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT.
THU
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 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 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SW CARIBBEAN S OF 11N
TONIGHT
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
WED
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS, BUILDING TO
3 FT IN THE AFTERNOON.
WED NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
NE WINDS LESS THAN 10 KT, SHIFTING TO SW IN THE
AFTERNOON. SEAS 3 TO 5 FT.
THU NIGHT
NW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
SW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
SAT
SW WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
SAT NIGHT
SW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
S 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.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT.
WED
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT
ELSEWHERE. SEAS 4 TO 6 FT.
WED NIGHT
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
THU
GULF OF VENEZUELA, E WINDS 20 TO 25 KT, DIMINISHING TO
10 TO 20 KT IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO 20 KT.
SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 5 TO 7 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 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.
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.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
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 4 TO 5 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. 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 10 TO 15 KT. SEAS 3 TO 4 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.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
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 4 TO 6 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 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 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
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.
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 ON FRI. 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 STRONG NE WINDS AND MODERATE TO
ROUGH SEAS ARE EXPECTED THROUGH WED. CURRENTLY, AN AREA OF FRESH
TO LOCALLY STRONG SOUTHERLY WINDS IS NOTED BETWEEN THE ATLANTIC
RIDGE AND THE FRONT. THESE WINDS WILL PERSIST THROUGH TONIGHT.
ELSEWHERE, THE ATLANTIC RIDGE WILL CONTINUE TO DOMINATE THE
WEATHER PATTERN ACROSS THE FORECAST REGION THIS WEEK, PRODUCING A
GENTLE TO MODERATE ANTICYCLONIC FLOW AND MOSTLY MODERATE SEAS.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
WED
SW WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE
AFTERNOON. SEAS 5 TO 7 FT.
WED NIGHT
N WINDS 10 TO 15 KT, SHIFTING TO NE AFTER MIDNIGHT.
SEAS 5 TO 7 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS 10 TO 15 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 5 TO 7 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
SW WINDS LESS THAN 10 KT W OF 70W, AND S 10 TO 20 KT
ELSEWHERE. SEAS 5 TO 7 FT.
WED
SW WINDS LESS THAN 10 KT W OF 70W, AND S 10 TO 15 KT
ELSEWHERE. SEAS 4 TO 6 FT.
WED NIGHT
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
THU
SW WINDS LESS THAN 10 KT. SEAS 4 FT.
THU NIGHT
W WINDS LESS THAN 10 KT, SHIFTING TO S AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
BAHAMAS N OF 22N
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
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 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
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
SE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
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 LESS THAN 10 KT. SEAS 4 TO 5 FT.
THU
SE WINDS LESS THAN 10 KT. SEAS 4 FT.
THU NIGHT
SE 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, BECOMING SE LESS THAN
10 KT IN THE AFTERNOON. SEAS 3 FT.
SAT NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SAT
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO 3 FT
IN THE AFTERNOON.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 5 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 5 FT.
THU
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 5 FT.
THU NIGHT
E WINDS 10 KT. SEAS 4 FT.
FRI
E WINDS 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 KT. SEAS 3 TO 4 FT.
SAT
E WINDS 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 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.
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