619
FZNT31 KNHC 111452
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1052 AM EDT FRI JUL 11 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 BERMUDA HIGH AND
LOW PRESSURE OVER NW COLOMBIA WILL CONTINUE TO SUPPORT PULSING
FRESH TO STRONG TRADES AND ROUGH SEAS ACROSS THE SOUTH-CENTRAL
CARIBBEAN THROUGH THE FORECAST PERIOD. FRESH EAST WINDS ARE
EXPECTED ACROSS THE GULF OF HONDURAS, MAINLY AT NIGHT, INTO
EARLY NEXT WEEK. MODERATE TO FRESH WINDS AND MODERATE SEAS ARE
EXPECTED IN THE EASTERN CARIBBEAN THROUGH THE WEEKEND WHILE
GENTLE TO MODERATE WINDS AND SLIGHT TO MODERATE SEAS WILL
PREVAIL ELSEWHERE.
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 4 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE 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 20 KT S OF 18N, AND E LESS THAN
10 KT ELSEWHERE. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 5 TO 7 FT S OF 18N, AND 3 TO 4 FT ELSEWHERE.
SAT
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO 15 KT
ELSEWHERE. SEAS 6 TO 8 FT S OF 18N, AND 3 TO 5 FT ELSEWHERE.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT S OF 18N, AND
3 TO 5 FT ELSEWHERE.
SUN
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 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 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
THIS AFTERNOON
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
TONIGHT
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 15 TO 25 KT ELSEWHERE. SEAS 6 TO 9 FT.
SAT
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
SAT NIGHT
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
SW CARIBBEAN S OF 11N
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
SAT
NW WINDS 10 TO 15 KT, SHIFTING TO S IN THE AFTERNOON.
SEAS 5 TO 7 FT.
SAT NIGHT
W WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
SUN
NW WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
SUN NIGHT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
CARIBBEAN BETWEEN 64W AND 72W
THIS AFTERNOON
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E
10 TO 20 KT ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND
5 TO 7 FT ELSEWHERE.
TONIGHT
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 15 TO
25 KT ELSEWHERE. SEAS 6 TO 8 FT.
SAT
E WINDS 15 TO 25 KT. SEAS 3 TO 5 FT GULF OF VENEZUELA,
AND 6 TO 8 FT ELSEWHERE.
SAT NIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
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 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 3 TO 5 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 10 TO 20 KT. SEAS 4 TO 6 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
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 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 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 3 TO 5 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
THE BERMUDA-AZORES HIGH EXTENDS A RIDGE TOWARD THE
BAHAMAS AND SOUTH FLORIDA. THIS SYSTEM WILL GRADUALLY SHIFT
EASTWARD AND WEAKEN THROUGH THE UPCOMING WEEKEND. THE RELATED
PRESSURE GRADIENT WILL SUPPORT GENTLE TO MODERATE WINDS, EXCEPT
FOR FRESH TO LOCALLY STRONG EAST TO SOUTHEAST WINDS OFF THE
NORTHERN COAST OF HISPANIOLA THROUGH SAT. WINDS AND SEAS WILL
DIMINISH SUN THROUGH EARLY MON, THEN INCREASE MODESTLY TUE.
ATLC WATERS FROM 27N TO 31N W OF 77W
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
S WINDS 10 TO 15 KT, SHIFTING TO SW IN THE AFTERNOON.
SEAS 3 TO 4 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 FT.
SUN NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 FT.
MON
S WINDS LESS THAN 10 KT. SEAS 3 FT.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
THIS AFTERNOON
S WINDS 10 TO 15 KT W OF 70W, AND S LESS THAN
10 KT ELSEWHERE. SEAS 3 TO 5 FT.
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
S WINDS 10 KT W OF 70W, AND VARIABLE LESS THAN 10 KT
ELSEWHERE. SEAS 3 TO 4 FT.
SAT NIGHT
W WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
S WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 FT.
MON
S WINDS 10 KT. SEAS 3 FT.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 3 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
BAHAMAS N OF 22N
THIS AFTERNOON
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 FT IN THE EVENING,
SUBSIDING TO 2 FT OR LESS.
SUN
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN NIGHT
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
SE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 FT OR LESS.
TUE
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO 3 FT
IN THE AFTERNOON.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
THIS AFTERNOON
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
TONIGHT
E WINDS 10 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
SUN
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
MON
SE WINDS 10 KT. SEAS 3 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS S OF 22N W OF 65W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
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 3 TO 5 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 5 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 4 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 5 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
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