453
FZNT31 KNHC 240340
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1140 PM EDT THU OCT 23 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
TROPICAL STORM MELISSA IS NEAR 16.2N 75.5W AT 11 PM
EDT, AND IS MOVING NORTH AT 3 KT. MAXIMUM SUSTAINED WINDS ARE
40 KT WITH GUSTS TO 50 KT, AND THE MINIMUM CENTRAL PRESSURE IS
1001 MB. MELISSA WILL MOVE TO 16.4N 75.3W FRI MORNING, 16.8N
75.2W FRI EVENING, AND 17.2N 75.5W SAT MORNING. MELISSA WILL
STRENGTHEN TO A HURRICANE NEAR 17.3N 76.0W SAT EVENING, THEN
MOVE TO 17.4N 76.5W SUN MORNING, AND 17.5N 77.2W SUN EVENING.
MELISSA WILL CHANGE LITTLE IN INTENSITY AS IT LINGERS NEAR
JAMAICA LATE MON.
NW CARIBBEAN W OF 85W
OVERNIGHT
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
N WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE
NW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
..HURRICANE WARNING
OVERNIGHT
TROPICAL STORM CONDITIONS. NE WINDS 30 TO 40 KT S
OF 18N, AND NE 15 TO 25 KT ELSEWHERE. SEAS 8 TO 11 FT S OF 18N,
AND 4 TO 6 FT ELSEWHERE.
FRI
TROPICAL STORM CONDITIONS EXPECTED. N WINDS 35 TO 45 KT
S OF 18N, AND NE 20 TO 30 KT ELSEWHERE. SEAS 8 TO 11 FT S OF
18N, AND 4 TO 6 FT ELSEWHERE.
FRI NIGHT
TROPICAL STORM CONDITIONS EXPECTED. N WINDS 40 TO
50 KT S OF 18N, AND NE 20 TO 30 KT ELSEWHERE. SEAS 8 TO 11 FT S
OF 18N, AND 5 TO 7 FT ELSEWHERE.
SAT
HURRICANE CONDITIONS EXPECTED. S OF 18N, N WINDS 45 TO 55
KT, INCREASING TO 55 TO 65 KT IN THE AFTERNOON. ELSEWHERE, NE
WINDS 30 TO 40 KT. SEAS 9 TO 14 FT S OF 18N, AND 6 TO 9 FT
ELSEWHERE.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE. N WINDS 65 TO 80 KT
S OF 18N, AND NE 35 TO 45 KT ELSEWHERE. SEAS 10 TO 15 FT S OF
18N, AND 8 TO 11 FT ELSEWHERE.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
HURRICANE CONDITIONS POSSIBLE.
MON NIGHT
HURRICANE CONDITIONS POSSIBLE.
TUE
S OF 18N, SW WINDS 75 TO 95 KT, DIMINISHING TO 50 TO
60 KT IN THE AFTERNOON. ELSEWHERE, NE WINDS 95 TO 115 KT. SEAS
12 TO 17 FT S OF 18N, AND 10 TO 15 FT ELSEWHERE.
CARIBBEAN FROM 11N TO 15N W OF 72W
OVERNIGHT
TROPICAL STORM CONDITIONS POSSIBLE. SW WINDS 10 TO
20 KT WITHIN 90 NM OF COAST OF COLOMBIA, AND W 20 TO 30 KT
ELSEWHERE. SEAS 6 TO 9 FT.
FRI
TROPICAL STORM CONDITIONS POSSIBLE. SW WINDS 10 TO 20 KT
WITHIN 90 NM OF COAST OF COLOMBIA, AND W 20 TO 30 KT ELSEWHERE.
SEAS 6 TO 8 FT.
FRI NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. SW WINDS 10 TO
20 KT WITHIN 90 NM OF COAST OF COLOMBIA, AND W 20 TO 30 KT
ELSEWHERE. SEAS 6 TO 8 FT.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. S WINDS 10 TO 20 KT
WITHIN 90 NM OF COAST OF COLOMBIA, AND W 15 TO 25 KT ELSEWHERE.
SEAS 6 TO 8 FT.
SAT NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. S WINDS 10 TO
20 KT WITHIN 90 NM OF COAST OF COLOMBIA, AND W 15 TO 25 KT
ELSEWHERE. SEAS 5 TO 7 FT.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
HURRICANE CONDITIONS POSSIBLE.
MON NIGHT
HURRICANE CONDITIONS POSSIBLE.
TUE
SW WINDS 10 TO 20 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND SW 20 TO 30 KT ELSEWHERE. SEAS 7 TO 10 FT.
SW CARIBBEAN S OF 11N
OVERNIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
W WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI NIGHT
W WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT
W WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT NIGHT
W WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
SW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TUE
SW WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
CARIBBEAN BETWEEN 64W AND 72W
OVERNIGHT
S WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE
15 TO 25 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
5 TO 7 FT ELSEWHERE.
FRI
VARIABLE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE
15 TO 25 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
5 TO 7 FT ELSEWHERE.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT GULF OF VENEZUELA,
AND SE 10 TO 20 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF
VENEZUELA, AND 5 TO 7 FT ELSEWHERE.
SAT
VARIABLE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE
10 TO 20 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
5 TO 7 FT ELSEWHERE.
SAT NIGHT
GULF OF VENEZUELA, VARIABLE WINDS LESS THAN 10 KT,
BECOMING SE 10 KT AFTER MIDNIGHT. ELSEWHERE, E WINDS 10 TO
20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 5 TO 7 FT
ELSEWHERE.
SUN
GULF OF VENEZUELA, S WINDS LESS THAN 10 KT IN THE
MORNING, BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, SE
WINDS 10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 5 TO
7 FT ELSEWHERE.
SUN NIGHT
E WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND E
15 TO 25 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
4 TO 6 FT ELSEWHERE.
MON
S WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE 20 TO
30 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 5 TO
7 FT ELSEWHERE.
MON NIGHT
SE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE
20 TO 30 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
5 TO 7 FT ELSEWHERE.
TUE
VARIABLE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE
15 TO 25 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
6 TO 8 FT ELSEWHERE.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
OVERNIGHT
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 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 15 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 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
OVERNIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 20 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 5 FT.
SUN
E WINDS 10 TO 15 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 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A TIGHT PRESSURE GRADIENT BETWEEN THE CENTRAL
ATLANTIC HIGH PRESSURE AND TROPICAL STORM MELISSA IN THE CENTRAL
CARIBBEAN HAS RESULTED IN FRESH TO STRONG WITH LOCALLY NEAR-GALE
FORCE E TO SE WINDS FROM THE NORTHERN COAST OF HISPANIOLA
NORTHWARD TO THE SOUTHEAST BAHAMAS. THESE WINDS WILL CONTINUE
UNTIL FRI MORNING BEFORE DECREASING TO MOSTLY FRESH. HOWEVER,
THEY WILL BECOME FRESH TO STRONG AGAIN AND ALSO SPREAD NORTHWARD
TO THE NORTHEAST BAHAMAS BY FRI NIGHT AS ANOTHER HIGH PRESSURE
MOVES OFF THE GEORGIA/SOUTH CAROLINA COAST. THESE WINDS AND SEAS
WILL DECREASE ON MON AS THE HIGH WEAKENS AND MOVES FARTHER
EASTWARD INTO ATLANTIC. MEANWHILE, A COLD FRONT CURVING
SOUTHWESTWARD FROM NORTHWEST OF BERMUDA ACROSS 31N72W TO
SOUTHERN FLORIDA WILL GRADUALLY PUSH EASTWARD ACROSS THE WESTERN
ATLANTIC, AND STALL FROM NEAR BERMUDA TO SOUTHEASTERN FLORIDA BY
FRI NIGHT. WINDS AND SEAS IN THE GREAT BAHAMA BANK AND NEAR THE
BAHAMAS WILL ONCE AGAIN INCREASE AS MELISSA, POSSIBLE A MAJOR
HURRICANE BY THEN APPROACHES EASTERN CUBA.
ATLC WATERS FROM 27N TO 31N W OF 77W
OVERNIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
SAT
NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
SAT NIGHT
E WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
SUN
E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT.
SUN NIGHT
E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
MON
E WINDS 15 TO 20 KT. SEAS 8 TO 11 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
FRI NIGHT
NE WINDS 15 TO 25 KT W OF 70W, AND E 10 TO 15 KT
ELSEWHERE. SEAS 5 TO 7 FT.
SAT
NE WINDS 15 TO 25 KT W OF 70W, AND NE 10 TO 20 KT
ELSEWHERE. SEAS 6 TO 9 FT W OF 70W, AND 4 TO 6 FT ELSEWHERE.
SAT NIGHT
NE WINDS 15 TO 25 KT W OF 70W, AND NE 10 TO 20 KT
ELSEWHERE. SEAS 7 TO 10 FT W OF 70W, AND 5 TO 7 FT ELSEWHERE.
SUN
E WINDS 15 TO 20 KT W OF 70W, AND E 10 TO 20 KT
ELSEWHERE. SEAS 6 TO 9 FT W OF 70W, AND 5 TO 7 FT ELSEWHERE.
SUN NIGHT
E WINDS 15 TO 25 KT W OF 70W, AND E 10 TO 20 KT
ELSEWHERE. SEAS 6 TO 9 FT.
MON
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON NIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
BAHAMAS N OF 22N
OVERNIGHT
E WINDS 15 TO 25 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
TUE
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
OVERNIGHT
E WINDS 15 TO 25 KT W OF 70W, AND E 10 TO 20 KT
ELSEWHERE. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT
E WINDS 15 TO 25 KT W OF 70W, AND E 10 TO 20 KT
ELSEWHERE. SEAS 6 TO 9 FT W OF 70W, AND 5 TO 6 FT ELSEWHERE.
SAT NIGHT
E WINDS 15 TO 25 KT W OF 70W, AND E 10 TO 20 KT
ELSEWHERE. SEAS 6 TO 9 FT W OF 70W, AND 5 TO 7 FT ELSEWHERE.
SUN
E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
MON
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
MON NIGHT
SE WINDS 15 TO 20 KT. SEAS 6 TO 7 FT.
TUE
SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
ATLC WATERS S OF 22N W OF 65W
OVERNIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
TUE
SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.
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