050
FZNT31 KNHC 242044
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
444 PM EDT SUN AUG 24 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
DATA FROM THE AIR FORCE RECONNAISSANCE AIRCRAFT
INDICATE THAT THE SYSTEM LOCATED NEAR THE WINDWARD ISLANDS DOES
NOT HAVE A CLOSED LOW-LEVEL CIRCULATION. HOWEVER, THE SYSTEM IS
STILL PRODUCING A LARGE AREA OF SHOWERS AND THUNDERSTORMS AND
WINDS TO NEAR GALE FORCE, AND THESE CONDITIONS ARE EXPECTED TO
AFFECT THE WINDWARD AND LEEWARD ISLANDS TONIGHT AND MONDAY. THE
SYSTEM IS EXPECTED TO REACH THE CENTRAL CARIBBEAN SEA ON
TUESDAY, WHERE CONDITIONS ARE FORECAST TO BECOME LESS FAVORABLE
FOR ADDITIONAL DEVELOPMENT. THIS SYSTEM ASSOCIATED WITH A
TROPICAL WAVE WILL BRING INCREASING WINDS AND BUILDING SEAS
ACROSS THE EAST AND CENTRAL CARIBBEAN TONIGHT THROUGH WED. 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 MON.
NW CARIBBEAN W OF 85W
TONIGHT
E WINDS 15 TO 25 KT. SEAS 3 TO 4 FT.
MON
E WINDS 15 TO 25 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 15 TO 25 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE NIGHT
NE WINDS 15 TO 25 KT. SEAS 3 TO 4 FT.
WED
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 20 KT. S OF 18N, SEAS 4 TO 6 FT. ELSEWHERE,
SEAS 2 FT OR LESS, BUILDING TO 3 FT IN THE AFTERNOON.
MON NIGHT
E WINDS 15 TO 25 KT. S OF 18N, SEAS 5 TO 7 FT.
ELSEWHERE, SEAS 2 FT OR LESS, BUILDING TO 3 FT AFTER MIDNIGHT.
TUE
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT S OF 18N, AND 3 TO
4 FT ELSEWHERE.
TUE NIGHT
E WINDS 20 TO 30 KT S OF 18N, AND E 15 TO 25 KT
ELSEWHERE. SEAS 5 TO 7 FT S OF 18N, AND 3 TO 5 FT ELSEWHERE.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT S OF 18N, AND 3 TO
5 FT ELSEWHERE.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT S OF 18N, AND
3 TO 4 FT ELSEWHERE.
THU
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT S OF 18N, AND 3 FT
ELSEWHERE.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT S OF 18N, AND
3 FT ELSEWHERE.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT S OF 18N, AND 3 FT
ELSEWHERE.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
E WINDS 20 TO 30 KT. SEAS 7 TO 10 FT WITHIN 90 NM OF
COAST OF COLOMBIA, AND 5 TO 7 FT ELSEWHERE.
MON
E WINDS 20 TO 30 KT. SEAS 6 TO 8 FT.
MON NIGHT
NE WINDS 20 TO 30 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
TUE NIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
WED
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 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 15 TO 25 KT. SEAS 4 TO 6 FT.
SW CARIBBEAN S OF 11N
TONIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 20 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
MON
N WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
SW WINDS 10 TO 15 KT, SHIFTING TO S IN THE AFTERNOON.
SEAS 3 TO 5 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.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 15 TO
25 KT ELSEWHERE. SEAS 4 TO 6 FT.
MON
E WINDS 15 TO 25 KT. SEAS 3 TO 5 FT GULF OF VENEZUELA,
AND 5 TO 7 FT ELSEWHERE.
MON NIGHT
E WINDS 15 TO 25 KT. SEAS 3 TO 5 FT GULF OF
VENEZUELA, AND 6 TO 8 FT ELSEWHERE.
TUE
E WINDS 15 TO 25 KT. SEAS 3 TO 4 FT GULF OF VENEZUELA,
AND 6 TO 8 FT ELSEWHERE.
TUE NIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 20 TO
30 KT ELSEWHERE. SEAS 5 TO 7 FT.
WED
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 20 KT GULF OF VENEZUELA, AND E 15 TO 25 KT
ELSEWHERE. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TONIGHT
E WINDS 20 TO 30 KT. SEAS 7 TO 10 FT.
MON
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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 3 TO 5 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.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TONIGHT
E WINDS 20 TO 30 KT. SEAS 5 TO 7 FT.
MON
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
SE 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 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
TROPICAL STORM FERNAND IS NEAR 31.8N 59.8W AT 5 PM
EDT, AND IS MOVING NORTH-NORTHEAST AT 11 KT. MAXIMUM SUSTAINED
WINDS ARE 40 KT WITH GUSTS TO 50 KT, AND THE MINIMUM CENTRAL
PRESSURE IS 1009 MB. FERNAND WILL MOVE TO 33.2N 58.9W MON
MORNING, 35.1N 57.6W MON AFTERNOON, 37.6N 55.7W TUE MORNING,
40.0N 53.0W TUE AFTERNOON, BECOME POST-TROPICAL AND MOVE TO
43.0N 49.0W WED MORNING, AND DISSIPATE WED AFTERNOON. AS FERNAND
CONTINUES TO MOVES AWAY FROM THE FORECAST AREA, A RIDGE WILL
BUILD BACK ACROSS MOST OF THE REGION. A FRONTAL BOUNDARY WILL
LINGER OFF THE SE U.S. COAST LIKELY THROUGH WED WITH FRESH TO
LOCALLY STRONG WINDS SE OF IT. FRESH TO STRONG WINDS WILL PULSE
N OF HISPANIOLA LATE MON AFTERNOON THROUGH TUE NIGHT. MEANWHILE,
LARGE NORTHERLY SWELL GENERATED BY DISTANT EXTRATROPICAL CYCLONE
ERIN WILL CONTINUE TO AFFECT THE W ATLANTIC WATERS THROUGH THE
NEXT COUPLE OF DAYS.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
W WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
MON
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
N WINDS LESS THAN 10 KT. SEAS 3 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
THU
E WINDS 10 KT. SEAS 3 FT.
THU NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI
S WINDS LESS THAN 10 KT, SHIFTING TO NE IN THE AFTERNOON.
SEAS 3 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
SW WINDS 15 TO 25 KT W OF 70W, AND SW 10 TO 20 KT
ELSEWHERE. SEAS 6 TO 8 FT.
MON NIGHT
SW WINDS 15 TO 25 KT W OF 70W, AND S 10 TO 15 KT
ELSEWHERE. SEAS 5 TO 7 FT.
TUE
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
WED
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
W OF 70W, NW WINDS 10 TO 15 KT, SHIFTING TO E AFTER
MIDNIGHT. ELSEWHERE, E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI
W OF 70W, SE WINDS LESS THAN 10 KT, SHIFTING TO S IN THE
AFTERNOON. ELSEWHERE, S WINDS LESS THAN 10 KT. SEAS 3 FT.
BAHAMAS N OF 22N
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
WED
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 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 10 TO 15 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 6 TO 7 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 20 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
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 20 TO 30 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.
MON
E WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 20 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 6 FT.
THU
SE WINDS 10 KT. SEAS 4 TO 5 FT.
THU NIGHT
E WINDS 10 KT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 KT. SEAS 3 TO 4 FT.
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