687
FZNT31 KNHC 150928
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
528 AM EDT FRI AUG 15 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 17.8N 54.4W AT 5 AM 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 997 MB. ERIN WILL STRENGTHEN TO A HURRICANE NEAR 18.4N 56.9W
THIS AFTERNOON, MOVE TO 19.3N 59.9W SAT MORNING, 20.1N 62.5W SAT
AFTERNOON, 21.0N 64.8W SUN MORNING, 22.2N 66.9W SUN AFTERNOON,
AND 23.2N 68.5W MON MORNING. ERIN WILL CHANGE LITTLE IN
INTENSITY AS IT MOVES NEAR 25.5N 70.5W EARLY TUE. ELSEWHERE,
MODERATE TO FRESH EASTERLY WINDS WILL PREVAIL THROUGH EARLY NEXT
WEEK ALONG WITH SLIGHT TO MODERATE SEAS.
NW CARIBBEAN W OF 85W
TODAY
E WINDS 10 TO 15 KT. SEAS 3 FT.
TONIGHT
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
TODAY
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
TONIGHT
NE WINDS 10 TO 15 KT S OF 18N, AND E 15 TO 25 KT
ELSEWHERE. SEAS 3 TO 4 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 3 FT.
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
TODAY
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.
TONIGHT
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
TODAY
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 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
TODAY
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
TONIGHT
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 TO 4 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 TO 4 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 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. 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
TODAY
HURRICANE CONDITIONS. N WINDS 50 TO 65 KT. SEAS 4 TO 6
FT, BUILDING TO 6 TO 9 FT IN THE AFTERNOON.
TONIGHT
HURRICANE CONDITIONS EXPECTED. W WINDS 60 TO 70 KT,
BECOMING SW 50 TO 60 KT AFTER MIDNIGHT. SEAS 6 TO 9 FT.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. S WINDS 25 TO 35 KT.
SEAS 6 TO 9 FT.
SAT NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. SE WINDS 20 TO
30 KT. SEAS 6 TO 8 FT.
SUN
SE WINDS 15 TO 25 KT. SEAS 5 TO 7 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
TODAY
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
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 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.
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 17.8N 54.4W AT 5 AM 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 997 MB. ERIN WILL STRENGTHEN TO A HURRICANE NEAR 18.4N 56.9W
THIS AFTERNOON, MOVE TO 19.3N 59.9W SAT MORNING, 20.1N 62.5W SAT
AFTERNOON, 21.0N 64.8W SUN MORNING, 22.2N 66.9W SUN AFTERNOON,
AND 23.2N 68.5W MON MORNING. ERIN WILL CHANGE LITTLE IN INTENSITY
AS IT MOVES NEAR 25.5N 70.5W EARLY TUE. 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
TODAY
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
S WINDS LESS THAN 10 KT. SEAS 3 FT.
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 5 TO 7 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE
N WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
SE WINDS 10 TO 15 KT W OF 70W, AND S LESS THAN 10 KT
ELSEWHERE. SEAS 3 FT.
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 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 4 TO 6 FT.
SUN
NW WINDS LESS THAN 10 KT W OF 70W, AND SE 10 TO 15 KT
ELSEWHERE. SEAS 4 TO 6 FT W OF 70W, AND 6 TO 9 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
TODAY
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
TONIGHT
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 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
..TROPICAL STORM WARNING
TODAY
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SAT
TROPICAL STORM CONDITIONS POSSIBLE. E WINDS 10 TO 20 KT.
SEAS 4 TO 6 FT.
SAT NIGHT
HURRICANE CONDITIONS POSSIBLE. W OF 70W, NE WINDS
10 TO 15 KT. ELSEWHERE, NE WINDS 15 TO 25 KT, INCREASING TO
30 TO 40 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT W OF 70W, AND 7 TO
10 FT ELSEWHERE.
SUN
HURRICANE CONDITIONS POSSIBLE. W OF 70W, NE WINDS 10 TO
20 KT, SEAS 5 TO 7 FT. ELSEWHERE, NE WINDS 50 TO 60 KT, BECOMING
E 85 TO 105 KT IN THE AFTERNOON,SEAS 11 TO 16 FT, BUILDING TO
14 TO 19 FT IN THE AFTERNOON.
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
..HURRICANE WARNING
TODAY
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
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
TROPICAL STORM CONDITIONS EXPECTED. NE WINDS 20 TO
30 KT, INCREASING TO 45 TO 55 KT AFTER MIDNIGHT. SEAS 6 TO 8 FT,
BUILDING TO 8 TO 11 FT AFTER MIDNIGHT.
SUN
HURRICANE CONDITIONS POSSIBLE. N WINDS 85 TO 95 KT. SEAS
9 TO 14 FT.
SUN NIGHT
HURRICANE CONDITIONS POSSIBLE.
MON
TROPICAL STORM CONDITIONS POSSIBLE.
MON NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
TUE
SW WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
..HURRICANE WARNING
TODAY
TROPICAL STORM CONDITIONS. NE WINDS 25 TO 35 KT,
BECOMING E 35 TO 45 KT IN THE AFTERNOON. SEAS 7 TO 10 FT,
BUILDING TO 8 TO 13 FT IN THE AFTERNOON.
TONIGHT
TROPICAL STORM CONDITIONS EXPECTED. E WINDS 60 TO
75 KT. SEAS 10 TO 15 FT.
SAT
HURRICANE CONDITIONS EXPECTED. E WINDS 70 TO 85 KT. SEAS
12 TO 17 FT.
SAT NIGHT
HURRICANE CONDITIONS EXPECTED. SE WINDS 75 TO
85 KT, INCREASING TO 75 TO 95 KT AFTER MIDNIGHT. SEAS 13 TO
18 FT.
SUN
HURRICANE CONDITIONS POSSIBLE. SE WINDS 55 TO 65 KT,
DIMINISHING TO 30 TO 40 KT IN THE AFTERNOON. SEAS 10 TO 15 FT.
SUN NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
MON
SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
MON NIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
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