767
FZNT31 KNHC 150321
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1121 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 17.1N 52.7W AT 11 PM
EDT, AND IS MOVING WEST-NORTHWEST AT 15 KT. MAXIMUM SUSTAINED
WINDS ARE 60 KT WITH GUSTS TO 75 KT, AND THE MINIMUM CENTRAL
PRESSURE IS 998 MB. ERIN WILL STRENGTHEN TO A HURRICANE NEAR
17.8N 55.2W FRI MORNING, MOVE TO 18.6N 58.3W FRI EVENING, 19.4N
61.0W SAT MORNING, 20.3N 63.3W SAT EVENING, 21.3N 65.4W SUN
MORNING, AND 22.4N 67.0W SUN EVENING. ERIN WILL CHANGE LITTLE IN
INTENSITY AS IT MOVES NEAR 25.0N 69.4W LATE MON. ELSEWHERE,
MODERATE TO FRESH EASTERLY WINDS WILL PREVAIL THROUGH EARLY NEXT
WEEK ALONG WITH SLIGHT TO MODERATE SEAS.
NW CARIBBEAN W OF 85W
OVERNIGHT
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
NE WINDS 10 TO 15 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 IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
OVERNIGHT
NE WINDS 10 TO 15 KT S OF 18N, AND NE 15 TO 25 KT
ELSEWHERE. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT S OF 18N, AND E 15 TO 25 KT
ELSEWHERE. SEAS 3 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 3 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 2 FT OR LESS.
SUN
N WINDS LESS THAN 10 KT S OF 18N, AND NE 10 TO 15 KT
ELSEWHERE. SEAS 2 FT OR LESS.
SUN NIGHT
NW WINDS LESS THAN 10 KT S OF 18N, AND NE 10 TO
15 KT ELSEWHERE. SEAS 2 FT OR LESS.
MON
NE WINDS LESS THAN 10 KT, SHIFTING TO W IN THE AFTERNOON.
SEAS 2 FT OR LESS.
MON NIGHT
W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
S WINDS LESS THAN 10 KT S OF 18N, AND NW 10 TO 15 KT
ELSEWHERE. SEAS 2 FT OR LESS.
CARIBBEAN FROM 11N TO 15N W OF 72W
OVERNIGHT
NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
FRI
WITHIN 90 NM OF COAST OF COLOMBIA, E WINDS 10 TO 20 KT.
ELSEWHERE, NE WINDS 15 TO 25 KT, SHIFTING TO E 10 TO 15 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 FT IN THE MORNING, SUBSIDING
TO 2 FT OR LESS.
SUN NIGHT
WITHIN 90 NM OF COAST OF COLOMBIA, W WINDS 10 TO
15 KT, SHIFTING TO SW AFTER MIDNIGHT. ELSEWHERE, NW WINDS LESS
THAN 10 KT. SEAS 2 FT OR LESS.
MON
SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
W WINDS LESS THAN 10 KT, SHIFTING TO NE AFTER
MIDNIGHT. SEAS 2 FT OR LESS.
TUE
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS THAN
10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS.
SW CARIBBEAN S OF 11N
OVERNIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
SAT
N WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE AFTERNOON.
SEAS 3 TO 4 FT.
SAT NIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT AFTER MIDNIGHT. SEAS 3 FT.
SUN
W WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN NIGHT
W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
SW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
MON NIGHT
SW WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN BETWEEN 64W AND 72W
OVERNIGHT
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 20 KT. SEAS 3 TO 4 FT.
SAT
GULF OF VENEZUELA, NE WINDS 10 TO 15 KT, DIMINISHING TO
LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO
20 KT. 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
GULF OF VENEZUELA, VARIABLE WINDS LESS THAN 10 KT,
BECOMING SW LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, S WINDS
10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 FT
ELSEWHERE.
SUN NIGHT
VARIABLE WINDS LESS THAN 10 KT GULF OF VENEZUELA,
AND S 10 TO 20 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, S WINDS
10 TO 20 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 20 KT ELSEWHERE. GULF OF VENEZUELA, SEAS 2 FT OR LESS.
ELSEWHERE, SEAS 3 FT IN THE EVENING, SUBSIDING TO 2 FT OR LESS.
TUE
GULF OF VENEZUELA, VARIABLE WINDS LESS THAN 10 KT,
BECOMING N LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, SE WINDS
10 TO 15 KT. SEAS 2 FT OR LESS.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
..HURRICANE WARNING
OVERNIGHT
HURRICANE CONDITIONS POSSIBLE. NE WINDS 10 TO
20 KT. SEAS 4 TO 6 FT.
FRI
TROPICAL STORM CONDITIONS EXPECTED. N WINDS 55 TO 70 KT.
SEAS 6 TO 8 FT.
FRI NIGHT
TROPICAL STORM CONDITIONS EXPECTED. SW WINDS 65 TO
75 KT. SEAS 6 TO 8 FT.
SAT
TROPICAL STORM CONDITIONS EXPECTED. S WINDS 45 TO 55 KT,
DIMINISHING TO 25 TO 35 KT IN THE AFTERNOON. SEAS 6 TO 8 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE. S WINDS 20 TO
30 KT. SEAS 5 TO 7 FT.
SUN
SE WINDS 20 TO 30 KT. SEAS 4 TO 6 FT.
SUN NIGHT
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
SE WINDS 10 TO 15 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
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
SE 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 17.1N 52.7W AT 11 PM
EDT, AND IS MOVING WEST-NORTHWEST AT 15 KT. MAXIMUM SUSTAINED
WINDS ARE 60 KT WITH GUSTS TO 75 KT, AND THE MINIMUM CENTRAL
PRESSURE IS 998 MB. ERIN WILL STRENGTHEN TO A HURRICANE NEAR
17.8N 55.2W FRI MORNING, MOVE TO 18.6N 58.3W FRI EVENING, 19.4N
61.0W SAT MORNING, 20.3N 63.3W SAT EVENING, 21.3N 65.4W SUN
MORNING, AND 22.4N 67.0W SUN EVENING. ERIN WILL CHANGE LITTLE IN
INTENSITY AS IT MOVES NEAR 25.0N 69.4W LATE MON. ELSEWHERE, A
WEAK PRESSURE GRADIENT WILL RESULT IN GENTLE TO MODERATE WINDS
AND MAINLY SLIGHT SEAS INTO EARLY NEXT WEEK.
ATLC WATERS FROM 27N TO 31N W OF 77W
OVERNIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT.
FRI
S WINDS 10 TO 15 KT. SEAS 3 FT.
FRI NIGHT
S WINDS LESS THAN 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
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
N WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
N WINDS 10 TO 15 KT, SHIFTING TO NE AFTER MIDNIGHT.
SEAS 3 TO 4 FT.
MON
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE
N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
OVERNIGHT
SE WINDS 10 TO 15 KT W OF 70W, AND SE LESS THAN
10 KT ELSEWHERE. SEAS 3 FT.
FRI
SE WINDS 10 TO 15 KT W OF 70W, AND S LESS THAN 10 KT
ELSEWHERE. 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, INCREASING TO 10 TO
15 KT IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO 15 KT. SEAS
3 TO 4 FT.
SAT NIGHT
N WINDS LESS THAN 10 KT W OF 70W, AND E 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
HURRICANE CONDITIONS POSSIBLE.
BAHAMAS N OF 22N
OVERNIGHT
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 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
TROPICAL STORM CONDITIONS POSSIBLE.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
OVERNIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. E WINDS 10 TO 20 KT.
SEAS 5 TO 7 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE. W OF 70W, NE WINDS
10 TO 15 KT. ELSEWHERE, NE WINDS 15 TO 25 KT, INCREASING TO
25 TO 35 KT AFTER MIDNIGHT. 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
HURRICANE CONDITIONS POSSIBLE.
ATLC WATERS S OF 22N W OF 65W
OVERNIGHT
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 20 TO
30 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 15 TO 25 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
..HURRICANE WARNING
OVERNIGHT
NE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
FRI
TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 20 TO
30 KT, BECOMING E 30 TO 40 KT IN THE AFTERNOON. SEAS 8 TO 11 FT.
FRI NIGHT
TROPICAL STORM CONDITIONS EXPECTED. E WINDS 45 TO
55 KT, INCREASING TO 70 TO 80 KT AFTER MIDNIGHT. SEAS 8 TO
11 FT, BUILDING TO 9 TO 14 FT AFTER MIDNIGHT.
SAT
HURRICANE CONDITIONS EXPECTED. E WINDS 75 TO 90 KT. SEAS
12 TO 17 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE. SE WINDS 80 TO
95 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 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
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