280
FZNT31 KNHC 140910
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
510 AM 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 16.3N 48.2W AT 5 AM 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
1002 MB. ERIN WILL MOVE TO 16.8N 50.5W THIS AFTERNOON, 17.6N
53.5W FRI MORNING, THEN STRENGTHEN TO A HURRICANE NEAR 18.5N
56.5W FRI AFTERNOON. HURRICANE ERIN WILL BE NEAR 19.3N 59.4W SAT
MORNING, 20.1N 62.0W SAT AFTERNOON, AND 21.0N 64.1W SUN MORNING.
ERIN WILL CHANGE LITTLE IN INTENSITY AS IT MOVES TO THE NORTH OF
PUERTO RICO EARLY MON. ELSEWHERE, STRONG WINDS AND ROUGH SEAS
WILL CONTINUE OFFSHORE COLOMBIA AND VENEZUELA TODAY DUE TO A
TIGHT PRESSURE GRADIENT, BEFORE DIMINISHING TONIGHT.
NW CARIBBEAN W OF 85W
TODAY
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
TONIGHT
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 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.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT S OF 18N, AND 2 FT
OR LESS ELSEWHERE.
TONIGHT
NE 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 FT.
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.
CARIBBEAN FROM 11N TO 15N W OF 72W
TODAY
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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 TO 4 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
E 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
TODAY
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
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 4 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.
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.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
E WINDS 10 TO 20 KT. SEAS 2 FT OR LESS GULF OF
VENEZUELA, AND 3 TO 5 FT ELSEWHERE.
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 2 FT OR LESS GULF OF VENEZUELA,
AND 3 TO 5 FT ELSEWHERE.
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 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO
4 FT ELSEWHERE.
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.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
..HURRICANE WARNING
TODAY
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
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 55 KT,
INCREASING TO 55 TO 65 KT IN THE AFTERNOON. SEAS 5 TO 7 FT.
FRI NIGHT
TROPICAL STORM CONDITIONS EXPECTED. W WINDS 60 TO
70 KT, BECOMING SW 45 TO 55 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT.
SAT
HURRICANE CONDITIONS POSSIBLE. S WINDS 30 TO 40 KT. SEAS
5 TO 7 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE.
SUN
TROPICAL STORM CONDITIONS POSSIBLE.
SUN NIGHT
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TODAY
E WINDS 10 TO 15 KT, SHIFTING TO SE IN THE AFTERNOON.
SEAS 3 TO 5 FT.
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 5 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.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
TROPICAL STORM ERIN IS NEAR 16.3N 48.2W AT 5 AM 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
1002 MB. ERIN WILL MOVE TO 16.8N 50.5W THIS AFTERNOON, 17.6N
53.5W FRI MORNING, THEN STRENGTHEN TO A HURRICANE NEAR 18.5N
56.5W FRI AFTERNOON. HURRICANE ERIN WILL BE NEAR 19.3N 59.4W SAT
MORNING, 20.1N 62.0W SAT AFTERNOON, AND 21.0N 64.1W SUN MORNING.
ERIN WILL CHANGE LITTLE IN INTENSITY AS IT MOVES TO THE NORTH OF
PUERTO RICO EARLY MON. 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
TODAY
SW WINDS 10 TO 15 KT. SEAS 3 FT.
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 2 FT OR LESS, BUILDING TO
3 FT IN THE AFTERNOON.
SUN NIGHT
NE WINDS 10 KT. SEAS 3 TO 4 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
SW WINDS LESS THAN 10 KT. SEAS 3 FT.
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 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
NW WINDS LESS THAN 10 KT W OF 70W, AND NE 10 TO
15 KT ELSEWHERE. SEAS 3 FT W OF 70W, AND 4 TO 6 FT ELSEWHERE.
SUN
NW WINDS LESS THAN 10 KT W OF 70W, AND SE 10 TO 15 KT
ELSEWHERE. SEAS 5 TO 7 FT.
SUN NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
MON
HURRICANE CONDITIONS POSSIBLE.
BAHAMAS N OF 22N
TODAY
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
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 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
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING
TO 3 FT AFTER MIDNIGHT.
MON
TROPICAL STORM CONDITIONS POSSIBLE.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
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 20 KT. SEAS 3 TO 5 FT.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 20 TO
30 KT. SEAS 4 TO 6 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
HURRICANE CONDITIONS POSSIBLE.
ATLC WATERS S OF 22N W OF 65W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
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
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 20 TO
30 KT. SEAS 4 TO 6 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
HURRICANE CONDITIONS POSSIBLE.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
..HURRICANE WARNING
TODAY
E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
TONIGHT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 15 TO
25 KT. SEAS 5 TO 7 FT.
FRI
TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 35 TO 45 KT.
SEAS 7 TO 10 FT.
FRI NIGHT
TROPICAL STORM CONDITIONS EXPECTED. E WINDS 60 TO
75 KT. SEAS 8 TO 11 FT, BUILDING TO 9 TO 14 FT AFTER MIDNIGHT.
SAT
HURRICANE CONDITIONS POSSIBLE. E WINDS 75 TO 85 KT. SEAS
11 TO 16 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
TROPICAL STORM CONDITIONS POSSIBLE.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page