765
FZNT31 KNHC 132043
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
443 PM EDT WED AUG 13 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 16.3N 45.0W AT 5 PM EDT,
AND IS MOVING WEST AT 15 KT. MAXIMUM SUSTAINED WINDS ARE 45 KT
WITH GUSTS TO 55 KT, AND THE MINIMUM CENTRAL PRESSURE IS
1001 MB. ERIN WILL MOVE TO 16.3N 47.2W THU MORNING, 16.9N 50.1W
THU AFTERNOON, STRENGTHEN TO A HURRICANE NEAR 17.6N 53.0W FRI
MORNING, 18.4N 55.9W FRI AFTERNOON, 19.3N 58.8W SAT MORNING, AND
20.2N 61.4W SAT AFTERNOON. ERIN WILL CHANGE LITTLE IN INTENSITY
AS IT MOVES TO 22.2N 65.8W BY SUN AFTERNOON. ELSEWHERE, A
TROPICAL WAVE ALONG 89W WILL CONTINUE TO SUPPORT SHOWERS AND
THUNDERSTORMS TO THE YUCATAN PENINSULA AND ADJACENT WATERS
TONIGHT. THE THUNDERSTORMS MAY PRODUCE FREQUENT LIGHTNING,
LOCALLY HEAVY RAINFALL, GUSTY WINDS, AND ROUGH SEAS.
NW CARIBBEAN W OF 85W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SAT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN
E 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.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT S OF 18N, AND
3 FT ELSEWHERE.
THU
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT S OF 18N, AND 2 FT OR
LESS ELSEWHERE.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT S OF 18N, AND
2 FT OR LESS ELSEWHERE.
FRI
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT S OF 18N, AND 2 FT OR
LESS ELSEWHERE.
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 3 FT IN THE EVENING, SUBSIDING TO 2 FT OR
LESS.
SUN
E WINDS LESS THAN 10 KT S OF 18N, AND E 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
20 KT ELSEWHERE. SEAS 2 FT OR LESS.
MON
S OF 18N, SE WINDS LESS THAN 10 KT. ELSEWHERE, E WINDS
10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON.
SEAS 2 FT OR LESS.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
NE WINDS 20 TO 30 KT. SEAS 5 TO 7 FT.
THU
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS 15 TO 25 KT. SEAS 5 TO 7 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
WITHIN 90 NM OF COAST OF COLOMBIA, E WINDS 10 TO 15 KT,
DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, NE
WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING,
SUBSIDING TO 2 FT OR LESS.
MON
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SW CARIBBEAN S OF 11N
TONIGHT
NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 15 TO 25 KT, SHIFTING TO SE 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT.
THU NIGHT
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
N WINDS 10 TO 15 KT, SHIFTING TO NW IN THE AFTERNOON.
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.
SUN NIGHT
W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
SW WINDS LESS THAN 10 KT, SHIFTING TO S IN THE AFTERNOON.
SEAS 2 FT OR LESS.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 20 KT. GULF OF VENEZUELA, SEAS 3 FT IN THE
MORNING, SUBSIDING TO 2 FT OR LESS. ELSEWHERE, 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 2 FT OR LESS GULF OF VENEZUELA,
AND 3 TO 5 FT ELSEWHERE.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
SAT
N WINDS LESS THAN 10 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO
4 FT ELSEWHERE.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF
VENEZUELA, AND 3 TO 4 FT ELSEWHERE.
SUN
GULF OF VENEZUELA, SE WINDS LESS THAN 10 KT IN THE
MORNING, BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, SE
WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 FT
ELSEWHERE.
SUN 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 FT ELSEWHERE.
MON
GULF OF VENEZUELA, VARIABLE WINDS LESS THAN 10 KT,
BECOMING W LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, SE WINDS
10 TO 15 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 FT
ELSEWHERE.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
..HURRICANE WARNING
TONIGHT
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
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 10 TO
15 KT. SEAS 4 TO 6 FT.
FRI
TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 20 TO
30 KT, BECOMING N 60 TO 70 KT IN THE AFTERNOON. SEAS 4 TO 6 FT.
FRI NIGHT
HURRICANE CONDITIONS POSSIBLE. NW WINDS 65 TO
75 KT, BECOMING W 55 TO 65 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT.
SAT
HURRICANE CONDITIONS POSSIBLE.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE.
SUN
TROPICAL STORM CONDITIONS POSSIBLE.
SUN NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
MON
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
S WINDS LESS THAN 10 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 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 4 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
TROPICAL STORM ERIN IS NEAR 16.3N 45.0W AT 5 PM EDT,
AND IS MOVING WEST AT 15 KT. MAXIMUM SUSTAINED WINDS ARE 45 KT
WITH GUSTS TO 55 KT, AND THE MINIMUM CENTRAL PRESSURE IS
1001 MB. ERIN WILL MOVE TO 16.3N 47.2W THU MORNING, 16.9N 50.1W
THU AFTERNOON, STRENGTHEN TO A HURRICANE NEAR 17.6N 53.0W FRI
MORNING, 18.4N 55.9W FRI AFTERNOON, 19.3N 58.8W SAT MORNING, AND
20.2N 61.4W SAT AFTERNOON. ERIN WILL CHANGE LITTLE IN INTENSITY
AS IT MOVES TO 22.2N 65.8W BY SUN AFTERNOON. ELSEWHERE, A WEAK
PRESSURE GRADIENT WILL RESULT IN GENTLE TO MODERATE WINDS AND
MAINLY SLIGHT SEAS THROUGH LATE WEEK.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT.
THU
SW WINDS 10 TO 15 KT. SEAS 3 FT.
THU NIGHT
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
SW WINDS 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, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 FT OR LESS, BUILDING TO 3 FT IN THE AFTERNOON.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
THU
S WINDS LESS THAN 10 KT. SEAS 3 FT.
THU NIGHT
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 FT.
SAT
SE WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE
AFTERNOON. SEAS 3 TO 4 FT.
SAT NIGHT
NW WINDS LESS THAN 10 KT W OF 70W, AND NE 10 TO
15 KT ELSEWHERE. SEAS 3 TO 4 FT.
SUN
TROPICAL STORM CONDITIONS POSSIBLE. W WINDS LESS THAN
10 KT W OF 70W, AND SE 10 TO 15 KT ELSEWHERE. SEAS 3 TO 4 FT W
OF 70W, AND 5 TO 7 FT ELSEWHERE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
NE WINDS 10 TO 20 KT W OF 70W, AND E 15 TO 25 KT
ELSEWHERE. W OF 70W, SEAS 6 TO 9 FT. ELSEWHERE, SEAS 8 TO 11 FT,
BUILDING TO 9 TO 14 FT IN THE AFTERNOON.
BAHAMAS N OF 22N
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
THU
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
FRI
E WINDS 10 TO 15 KT. 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 2 FT OR LESS.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
MON
NE 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 4 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 4 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.
SAT
TROPICAL STORM CONDITIONS POSSIBLE.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
N WINDS 15 TO 25 KT W OF 70W, AND SE 80 TO 100 KT
ELSEWHERE. W OF 70W, SEAS 7 TO 10 FT, BUILDING TO 8 TO 13 FT IN
THE AFTERNOON. ELSEWHERE, SEAS 16 TO 21 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 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
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT
TROPICAL STORM CONDITIONS POSSIBLE.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
W WINDS 20 TO 30 KT. SEAS 7 TO 10 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
..TROPICAL STORM WARNING
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
THU NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 10 TO
20 KT. SEAS 5 TO 7 FT.
FRI
HURRICANE CONDITIONS POSSIBLE. NE WINDS 15 TO 25 KT,
INCREASING TO 35 TO 45 KT IN THE AFTERNOON. SEAS 6 TO 9 FT.
FRI NIGHT
HURRICANE CONDITIONS POSSIBLE. NE WINDS 65 TO
80 KT. SEAS 8 TO 13 FT.
SAT
HURRICANE CONDITIONS POSSIBLE.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
SE WINDS 20 TO 30 KT. SEAS 7 TO 10 FT.
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