152
FZNT31 KNHC 142051
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
451 PM EDT THU AUG 14 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 ERIN IS NEAR 16.7N 51.2W AT 5 PM EDT,
AND IS MOVING WEST AT 15 KT. MAXIMUM SUSTAINED WINDS ARE 50 KT
WITH GUSTS TO 60 KT, AND THE MINIMUM CENTRAL PRESSURE IS 998 MB.
ERIN WILL MOVE TO 17.3N 53.5W FRI MORNING, STRENGTHEN TO A
HURRICANE NEAR 18.1N 56.6W FRI AFTERNOON, 19.0N 59.5W SAT
MORNING, 19.8N 62.2W SAT AFTERNOON, 20.8N 64.4W SUN MORNING, AND
21.7N 66.1W SUN AFTERNOON. ERIN WILL CHANGE LITTLE IN INTENSITY
AS IT MOVES TO 24.2N 68.9W ON MON AFTERNOON. ELSEWHERE, MODERATE
TO FRESH EASTERLY WINDS WILL PREVAIL THROUGH THE WEEKEND WITH
SLIGHT TO MODERATE SEAS.
NW CARIBBEAN W OF 85W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SAT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT S OF 18N, AND
2 FT OR LESS ELSEWHERE.
SAT
E WINDS 10 TO 20 KT. SEAS 3 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT S OF 18N, AND NE 10 TO
20 KT ELSEWHERE. SEAS 2 FT OR LESS.
SUN
NE WINDS LESS THAN 10 KT S OF 18N, AND NE 10 TO 15 KT
ELSEWHERE. SEAS 2 FT OR LESS.
SUN NIGHT
NE WINDS LESS THAN 10 KT S OF 18N, AND NE 10 TO
15 KT ELSEWHERE. SEAS 2 FT OR LESS.
MON
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
NE WINDS 10 TO 15 KT, SHIFTING TO E IN THE AFTERNOON.
SEAS 3 TO 4 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS THAN
10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS.
SW CARIBBEAN S OF 11N
TONIGHT
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 10 TO 20 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
W WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,
SUBSIDING TO 2 FT OR LESS.
SUN NIGHT
W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
NW WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
NE WINDS 15 TO 20 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
NE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND E 10 TO
15 KT ELSEWHERE. SEAS 3 TO 4 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND E
10 TO 15 KT ELSEWHERE. SEAS 3 FT.
SUN
VARIABLE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND S
10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
3 FT ELSEWHERE.
SUN NIGHT
NE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND S
10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
3 FT ELSEWHERE.
MON
GULF OF VENEZUELA, VARIABLE WINDS LESS THAN 10 KT,
BECOMING NW LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, SE
WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO
4 FT ELSEWHERE.
MON NIGHT
NE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE
10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND
3 TO 4 FT ELSEWHERE.
TUE
VARIABLE WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND SE
10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
..HURRICANE WARNING
TONIGHT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 10 TO
20 KT. SEAS 4 TO 6 FT.
FRI
TROPICAL STORM CONDITIONS EXPECTED. N WINDS 45 TO 60 KT.
SEAS 6 TO 8 FT.
FRI NIGHT
TROPICAL STORM CONDITIONS EXPECTED. W WINDS 60 TO
75 KT. SEAS 6 TO 8 FT.
SAT
HURRICANE CONDITIONS POSSIBLE. SW WINDS 40 TO 50 KT,
BECOMING S 20 TO 30 KT IN THE AFTERNOON. SEAS 6 TO 8 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE. S WINDS 10 TO
20 KT. SEAS 5 TO 7 FT.
SUN
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
SE WINDS 10 TO 20 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.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
SAT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
SE 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 4 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
TROPICAL STORM ERIN IS NEAR 16.7N 51.2W AT 5 PM EDT,
AND IS MOVING WEST AT 15 KT. MAXIMUM SUSTAINED WINDS ARE 50 KT
WITH GUSTS TO 60 KT, AND THE MINIMUM CENTRAL PRESSURE IS 998 MB.
ERIN WILL MOVE TO 17.3N 53.5W FRI MORNING, STRENGTHEN TO A
HURRICANE NEAR 18.1N 56.6W FRI AFTERNOON, 19.0N 59.5W SAT
MORNING, 19.8N 62.2W SAT AFTERNOON, 20.8N 64.4W SUN MORNING, AND
21.7N 66.1W SUN AFTERNOON. ERIN WILL CHANGE LITTLE IN INTENSITY
AS IT MOVES TO 24.2N 68.9W BY MON AFTERNOON. ELSEWHERE, A WEAK
PRESSURE GRADIENT WILL RESULT IN GENTLE TO MODERATE WINDS AND
MAINLY SLIGHT SEAS INTO THE WEEKEND.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT.
FRI
SW WINDS 10 TO 15 KT. SEAS 3 FT.
FRI NIGHT
S WINDS 10 KT. SEAS 3 FT IN THE EVENING, SUBSIDING
TO 2 FT OR LESS.
SAT
S WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE AFTERNOON.
SEAS 2 FT OR LESS.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
N WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
NE WINDS 10 KT. SEAS 3 TO 4 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 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.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI
S WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
W OF 70W, SE WINDS LESS THAN 10 KT. N IN THE AFTERNOON.
ELSEWHERE, NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
N WINDS LESS THAN 10 KT W OF 70W, AND NE 10 TO
15 KT ELSEWHERE. SEAS 3 TO 5 FT.
SUN
NW WINDS LESS THAN 10 KT W OF 70W, AND SE 10 TO 15 KT
ELSEWHERE. SEAS 3 TO 5 FT W OF 70W, AND 6 TO 8 FT ELSEWHERE.
SUN NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
MON
HURRICANE CONDITIONS POSSIBLE.
MON NIGHT
HURRICANE CONDITIONS POSSIBLE.
TUE
W OF 70W, NE WINDS 55 TO 65 KT, INCREASING TO 85 TO
105 KT IN THE AFTERNOON,SEAS 9 TO 14 FT, BUILDING TO 12 TO 17 FT
IN THE AFTERNOON. ELSEWHERE, E WINDS 55 TO 65 KT, BECOMING SE
80 TO 100 KT IN THE AFTERNOON,SEAS 12 TO 17 FT, BUILDING TO
16 TO 21 FT IN THE AFTERNOON.
BAHAMAS N OF 22N
TONIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
FRI
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 2 FT OR LESS.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SAT
E WINDS 10 TO 15 KT. SEAS 3 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
TROPICAL STORM CONDITIONS POSSIBLE.
MON NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
TUE
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 10 TO
20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE. NE WINDS 10 TO
15 KT W OF 70W, AND NE 20 TO 30 KT ELSEWHERE. SEAS 4 TO 6 FT W
OF 70W, AND 7 TO 10 FT ELSEWHERE.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
HURRICANE CONDITIONS POSSIBLE.
MON NIGHT
HURRICANE CONDITIONS POSSIBLE.
TUE
W WINDS 75 TO 95 KT W OF 70W, AND S 85 TO 105 KT
ELSEWHERE. W OF 70W, SEAS 13 TO 18 FT. ELSEWHERE, SEAS 15 TO
25 FT, SUBSIDING TO 17 TO 22 FT IN THE AFTERNOON.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
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
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 10 TO
20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE. NE WINDS 15 TO
25 KT, INCREASING TO 30 TO 40 KT AFTER MIDNIGHT. SEAS 7 TO
10 FT.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
HURRICANE CONDITIONS POSSIBLE.
MON NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
TUE
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
..HURRICANE WARNING
TONIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
FRI
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 25 TO
35 KT. SEAS 8 TO 11 FT.
FRI NIGHT
TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 40 TO
50 KT, BECOMING E 65 TO 75 KT AFTER MIDNIGHT. SEAS 8 TO 11 FT,
BUILDING TO 9 TO 14 FT AFTER MIDNIGHT.
SAT
TROPICAL STORM CONDITIONS EXPECTED. E WINDS 65 TO 75 KT,
BECOMING SE 75 TO 85 KT IN THE AFTERNOON. SEAS 12 TO 17 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE. SE WINDS 70 TO
85 KT. SEAS 12 TO 17 FT.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
MON
SE WINDS 20 TO 30 KT. SEAS 6 TO 9 FT.
MON NIGHT
SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
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