650
FZNT31 KNHC 251522
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1122 AM EDT MON AUG 25 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
A TROPICAL WAVE OVER THE EASTERN CARIBBEAN SEA, WITH
AXIS ALONG 65W, IS PRODUCING DISORGANIZED SHOWERS AND THUNDERSTORMS.
THIS SYSTEM HAS BECOME LESS ORGANIZED SINCE YESTERDAY, AND FURTHER
DEVELOPMENT IS NOT ANTICIPATED AS IT MOVES QUICKLY WESTWARD DURING
THE NEXT FEW DAYS. FRESH TO STRONG WINDS AND MODERATE TO ROUGH SEAS
WILL BE ASSOCIATED WITH THE WAVE, FORECAST TO MOVE ACROSS THE CENTRAL
CARIBBEAN ON TUE. FRESH TO STRONG E TO SE WINDS WILL PULSE ACROSS
THE GULF OF HONDURAS MAINLY AT NIGHT THROUGH TUE NIGHT. NW TO N
SWELL WILL CONTINUE TO PROPAGATE ACROSS THE TROPICAL ATLANTIC
WATERS AND MOVE THROUGH THE ATLANTIC PASSAGES THROUGH AT LEAST
TODAY.
NW CARIBBEAN W OF 85W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TONIGHT
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
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
NE WINDS 10 TO 15 KT, SHIFTING TO E IN THE AFTERNOON.
SEAS 3 TO 4 FT.
WED NIGHT
NE WINDS LESS THAN 10 KT, SHIFTING TO E AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TONIGHT
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, E WINDS
LESS THAN 10 KT, SHIFTING TO NE AFTER MIDNIGHT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
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.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 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 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
THIS AFTERNOON
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
TONIGHT
NE WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE NIGHT
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.
WED
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SW CARIBBEAN S OF 11N
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
WED
SE WINDS LESS THAN 10 KT, SHIFTING TO SW IN THE
AFTERNOON. SEAS 4 TO 6 FT.
WED NIGHT
NW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
CARIBBEAN BETWEEN 64W AND 72W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 3 FT GULF OF
VENEZUELA, AND 5 TO 7 FT ELSEWHERE.
TONIGHT
NE WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 6 TO 8 FT
ELSEWHERE.
TUE
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT GULF OF VENEZUELA,
AND 6 TO 8 FT ELSEWHERE.
TUE NIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO 8 FT
ELSEWHERE.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
WED
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS LESS THAN 10 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 5 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
SE 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. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A FRONTAL BOUNDARY WILL LINGER OFF THE SE U.S. COAST
LIKELY THROUGH WED. FRESH TO LOCALLY STRONG WINDS AND ROUGH SEAS
ARE EXPECTED SE OF THE FRONT THROUGH THIS EVENING. A RIDGE WILL
DOMINATE THE REMAINDER OF THE FORECAST REGION. FRESH TO STRONG
WINDS WILL PULSE N OF HISPANIOLA LATE THIS AFTERNOON THROUGH TUE
NIGHT. MEANWHILE, DECAYING ROUGH NORTHERLY SWELL WILL CONTINUE
TO AFFECT THE W ATLANTIC WATERS THROUGH TODAY.
ATLC WATERS FROM 27N TO 31N W OF 77W
THIS AFTERNOON
SW WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
TUE
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
WED
W WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 FT.
WED NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 FT.
THU
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT.
FRI
W WINDS 10 TO 15 KT. SEAS 3 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
THIS AFTERNOON
SW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TONIGHT
W OF 70W, S WINDS 10 TO 15 KT. ELSEWHERE, SW WINDS
10 TO 15 KT, SHIFTING TO S AFTER MIDNIGHT. SEAS 6 TO 8 FT.
TUE
S WINDS 10 TO 15 KT W OF 70W, AND S LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 6 FT.
TUE NIGHT
S WINDS 10 TO 15 KT W OF 70W, AND SE LESS THAN
10 KT ELSEWHERE. SEAS 3 TO 5 FT.
WED
S WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
WED NIGHT
SW WINDS LESS THAN 10 KT, SHIFTING TO SE AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
THU
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
FRI
SW WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI NIGHT
SW WINDS LESS THAN 10 KT. SEAS 3 FT.
BAHAMAS N OF 22N
THIS AFTERNOON
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
SE 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 4 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
FRI
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
THIS AFTERNOON
SE WINDS 10 KT. SEAS 5 TO 6 FT.
TONIGHT
SE WINDS LESS THAN 10 KT, SHIFTING TO E AFTER
MIDNIGHT. SEAS 5 TO 6 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 5 TO 7 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 LESS THAN 10 KT. SEAS 4 TO 5 FT.
THU
SE WINDS 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
SE WINDS 10 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 FT.
ATLC WATERS S OF 22N W OF 65W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 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 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 LESS THAN 10 KT. SEAS 3 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
WED NIGHT
SE WINDS 10 KT. SEAS 4 TO 5 FT.
THU
SE 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 3 TO 4 FT.
FRI NIGHT
E WINDS 10 KT. SEAS 3 TO 4 FT.
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