167
FZNT31 KNHC 140312
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1112 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 46.6W AT 11 PM
EDT, AND IS MOVING WEST AT 14 KT. MAXIMUM SUSTAINED WINDS ARE
45 KT WITH GUSTS TO 55 KT, AND THE MINIMUM CENTRAL PRESSURE IS
1002 MB. ERIN WILL MOVE TO 16.5N 48.8W THU MORNING, 17.2N 51.8W
THU EVENING, THEN STRENGTHEN TO A HURRICANE NEAR 18.0N 54.9W FRI
MORNING. HURRICANE ERIN WILL BE NEAR 18.9N 57.8W FRI EVENING,
19.8N 60.6W SAT MORNING, AND 20.6N 62.9W SAT EVENING. ERIN WILL
CHANGE LITTLE IN INTENSITY AS IT MOVES TO THE NORTH OF PUERTO
RICO LATE SUN. ELSEWHERE, STRONG WINDS AND ROUGH SEAS WILL
CONTINUE OFFSHORE COLOMBIA AND VENEZUELA THROUGH THU DUE TO A
TIGHT PRESSURE GRADIENT, BEFORE DIMINISHING THU NIGHT.
NW CARIBBEAN W OF 85W
OVERNIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 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 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
OVERNIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT S OF 18N, AND
3 FT ELSEWHERE.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT S OF 18N, AND 2 FT OR
LESS ELSEWHERE.
THU NIGHT
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 4 FT.
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 3 FT IN THE EVENING, SUBSIDING TO 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
E 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
OVERNIGHT
E WINDS 20 TO 30 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 15 TO 25 KT ELSEWHERE. SEAS 5 TO 7 FT.
THU
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
THU NIGHT
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
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
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
OVERNIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU NIGHT
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
NW 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
SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN BETWEEN 64W AND 72W
OVERNIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 3 TO 4 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 20 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
N 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
GULF OF VENEZUELA, VARIABLE WINDS LESS THAN 10 KT,
BECOMING W LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, S 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 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
OVERNIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 20 TO
30 KT. SEAS 4 TO 6 FT.
FRI
TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 45 TO
55 KT, BECOMING N 65 TO 75 KT IN THE AFTERNOON. SEAS 5 TO 7 FT.
FRI NIGHT
HURRICANE CONDITIONS POSSIBLE. NW WINDS 65 TO
75 KT, BECOMING W 45 TO 55 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT.
SAT
HURRICANE CONDITIONS POSSIBLE.
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
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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
SE WINDS LESS THAN 10 KT, SHIFTING TO S IN THE AFTERNOON.
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 46.6W AT 11 PM
EDT, AND IS MOVING WEST AT 14 KT. MAXIMUM SUSTAINED WINDS ARE 45
KT WITH GUSTS TO 55 KT, AND THE MINIMUM CENTRAL PRESSURE IS 1002
MB. ERIN WILL MOVE TO 16.5N 48.8W THU MORNING, 17.2N 51.8W THU
EVENING, THEN STRENGTHEN TO A HURRICANE NEAR 18.0N 54.9W FRI
MORNING. HURRICANE ERIN WILL BE NEAR 18.9N 57.8W FRI EVENING,
19.8N 60.6W SAT MORNING, AND 20.6N 62.9W SAT EVENING. ERIN WILL
CHANGE LITTLE IN INTENSITY AS IT MOVES TO THE NORTH OF PUERTO
RICO LATE SUN. 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
OVERNIGHT
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. 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
OVERNIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
THU
SW 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
E WINDS LESS THAN 10 KT, SHIFTING TO N 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 FT W OF 70W, AND 4 TO 6 FT ELSEWHERE.
SUN
TROPICAL STORM CONDITIONS POSSIBLE. NW WINDS LESS THAN
10 KT W OF 70W, AND SE 20 TO 25 KT ELSEWHERE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
HURRICANE CONDITIONS POSSIBLE.
BAHAMAS N OF 22N
OVERNIGHT
E WINDS 10 TO 15 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, 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
TROPICAL STORM CONDITIONS POSSIBLE.
MON
TROPICAL STORM CONDITIONS POSSIBLE.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
OVERNIGHT
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 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
HURRICANE CONDITIONS POSSIBLE.
ATLC WATERS S OF 22N W OF 65W
OVERNIGHT
E WINDS 10 TO 20 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
HURRICANE CONDITIONS POSSIBLE.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
..HURRICANE WARNING
OVERNIGHT
E WINDS 10 TO 20 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 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
HURRICANE CONDITIONS POSSIBLE. NE WINDS 65 TO
75 KT, BECOMING E 75 TO 85 KT AFTER MIDNIGHT. SEAS 8 TO 11 FT,
BUILDING TO 9 TO 14 FT AFTER MIDNIGHT.
SAT
HURRICANE CONDITIONS POSSIBLE.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE.
SUN
HURRICANE CONDITIONS POSSIBLE.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
TROPICAL STORM CONDITIONS POSSIBLE.
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