215
FZNT31 KNHC 160903
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
503 AM EDT SAT AUG 16 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
HURRICANE ERIN IS NEAR 19.8N 61.1W AT 5 AM EDT, AND
IS MOVING WEST-NORTHWEST AT 17 KT. MAXIMUM SUSTAINED WINDS ARE
105 KT WITH GUSTS TO 130 KT, AND THE MINIMUM CENTRAL PRESSURE IS
955 MB. ERIN WILL MOVE TO 20.3N 63.3W THIS AFTERNOON, 21.1N
65.6W SUN MORNING, 22.1N 67.5W SUN AFTERNOON, 23.3N 68.8W MON
MORNING, 24.6N 69.8W MON AFTERNOON, AND 26.2N 70.5W TUE MORNING.
ERIN WILL CHANGE LITTLE IN INTENSITY AS IT MOVES NEAR 29.9N
70.9W EARLY WED. EVEN THOUGH THE CENTER OF MAJOR HURRICANE ERIN
WILL PASS NNE OF THE LEEWARD ISLANDS, THE VIRGIN ISLANDS AND
PUERTO RICO, SWELLS GENERATED BY ERIN WILL AFFECT PORTIONS OF
THE NORTHERN LEEWARD ISLANDS, THE VIRGIN ISLANDS, PUERTO RICO,
AND HISPANIOLA THROUGH THE WEEKEND. THESE ROUGH OCEAN CONDITIONS
WILL LIKELY CAUSE LIFE- THREATENING SURF AND RIP CURRENTS,
INCLUDING THROUGH THE CARIBBEAN PASSAGES. MODERATE TO FRESH
SOUTHERLY WINDS OVER THE EASTERN AND NORTH-CENTRAL CARIBBEN WILL
DIMINISH TO GENTLE TO MODERATE SPEEDS ON MON AS ERIN MOVE
FARTHER AWAY ACROSS THE CENTRAL BAHAMAS OFFSHORE WATERS.
NW CARIBBEAN W OF 85W
TODAY
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
TONIGHT
NE 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 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
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
WED
SE 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 FT.
TONIGHT
S OF 18N, NE WINDS 10 TO 15 KT, DIMINISHING TO LESS
THAN 10 KT AFTER MIDNIGHT. ELSEWHERE, NE WINDS 10 TO 20 KT. SEAS
3 FT IN THE EVENING, SUBSIDING TO 2 FT OR LESS.
SUN
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
MON
S OF 18N, W WINDS LESS THAN 10 KT. ELSEWHERE, NE WINDS
10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON.
SEAS 2 FT OR LESS.
MON NIGHT
NW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
S WINDS LESS THAN 10 KT S OF 18N, AND W 10 TO 15 KT
ELSEWHERE. SEAS 2 FT OR LESS.
TUE NIGHT
SE WINDS LESS THAN 10 KT S OF 18N, AND SW 10 TO
15 KT ELSEWHERE. SEAS 2 FT OR LESS.
WED
S OF 18N, SE WINDS 10 TO 15 KT. ELSEWHERE, SW 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
TODAY
WITHIN 90 NM OF COAST OF COLOMBIA, SE WINDS LESS THAN
10 KT, SHIFTING TO SW IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO
15 KT. SEAS 3 TO 4 FT.
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN
NE WINDS 10 TO 15 KT, SHIFTING TO NW IN THE AFTERNOON.
SEAS 3 FT.
SUN NIGHT
NW WINDS LESS THAN 10 KT. SEAS 3 FT.
MON
SW WINDS 10 TO 15 KT. SEAS 3 FT.
MON NIGHT
W WINDS LESS THAN 10 KT, SHIFTING TO E AFTER
MIDNIGHT. SEAS 2 FT OR LESS.
TUE
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE NIGHT
WITHIN 90 NM OF COAST OF COLOMBIA, NE WINDS LESS
THAN 10 KT, SHIFTING TO E AFTER MIDNIGHT. ELSEWHERE, E WINDS
10 TO 15 KT. SEAS 2 FT OR LESS.
WED
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SW CARIBBEAN S OF 11N
TODAY
NW WINDS LESS THAN 10 KT, SHIFTING TO W IN THE
AFTERNOON. SEAS 3 TO 4 FT.
TONIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 FT.
SUN
W WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,
SUBSIDING TO 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
NW WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
WED
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
CARIBBEAN BETWEEN 64W AND 72W
TODAY
GULF OF VENEZUELA, E WINDS LESS THAN 10 KT, SHIFTING TO
SW IN THE AFTERNOON. ELSEWHERE, E WINDS 10 TO 20 KT. SEAS 2 FT
OR LESS GULF OF VENEZUELA, AND 3 TO 4 FT ELSEWHERE.
TONIGHT
GULF OF VENEZUELA, NE WINDS LESS THAN 10 KT.
ELSEWHERE, N WINDS 10 TO 20 KT, SHIFTING TO SW AFTER MIDNIGHT.
SEAS 3 FT.
SUN
GULF OF VENEZUELA, VARIABLE WINDS LESS THAN 10 KT,
BECOMING W LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE, SW WINDS
10 TO 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO 4 FT
ELSEWHERE.
SUN NIGHT
GULF OF VENEZUELA, N WINDS LESS THAN 10 KT IN THE
EVENING, BECOMING VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE, S
WINDS 10 TO 20 KT. 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 20 KT. SEAS 2 FT OR LESS GULF OF VENEZUELA, AND 3 TO 4 FT
ELSEWHERE.
MON NIGHT
SE WINDS 10 TO 20 KT. SEAS 3 FT.
TUE
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.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS GULF OF
VENEZUELA, AND 3 FT ELSEWHERE.
WED
E WINDS 10 TO 15 KT. SEAS 3 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TODAY
S WINDS 20 TO 30 KT. SEAS 6 TO 8 FT.
TONIGHT
S 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 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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
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.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
HURRICANE ERIN IS NEAR 19.8N 61.1W AT 5 AM EDT, AND
IS MOVING WEST-NORTHWEST AT 17 KT. MAXIMUM SUSTAINED WINDS ARE
105 KT WITH GUSTS TO 130 KT, AND THE MINIMUM CENTRAL PRESSURE IS
955 MB. ERIN WILL MOVE TO 20.3N 63.3W THIS AFTERNOON, 21.1N
65.6W SUN MORNING, 22.1N 67.5W SUN AFTERNOON, 23.3N 68.8W MON
MORNING, 24.6N 69.8W MON AFTERNOON, AND 26.2N 70.5W TUE MORNING.
ERIN WILL CHANGE LITTLE IN INTENSITY AS IT MOVES NEAR 29.9N
70.9W EARLY WED. SWELLS GENERATED BY ERIN WILL AFFECT PORTIONS
OF THE NORTHERN LEEWARD ISLANDS, THE VIRGIN ISLANDS, PUERTO
RICO, HISPANIOLA, AND THE TURKS AND CAICOS ISLANDS THROUGH THE
WEEKEND. THESE SWELLS WILL SPREAD TO THE BAHAMAS, BERMUDA, AND
THE EAST COAST OF THE UNITED STATES EARLY NEXT WEEK. THESE ROUGH
OCEAN CONDITIONS WILL LIKELY CAUSE LIFE-THREATENING SURF AND RIP
CURRENTS.
ATLC WATERS FROM 27N TO 31N W OF 77W
TODAY
SW WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE
AFTERNOON. SEAS 2 FT OR LESS.
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
NW WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.
TUE
N WINDS 10 TO 20 KT. SEAS 8 TO 12 FT.
TUE NIGHT
N WINDS 10 TO 20 KT. SEAS 9 TO 13 FT.
WED
N WINDS 10 TO 20 KT. SEAS 10 TO 13 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TODAY
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT W OF 70W, AND
4 TO 6 FT ELSEWHERE.
SUN
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT W OF 70W, AND 7 TO
10 FT ELSEWHERE.
SUN NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. N WINDS 10 TO
20 KT W OF 70W, AND SE 15 TO 25 KT ELSEWHERE. SEAS 7 TO 10 FT W
OF 70W, AND 8 TO 13 FT ELSEWHERE.
MON
HURRICANE CONDITIONS POSSIBLE. NE WINDS 20 TO 30 KT W OF
70W, AND SE 20 TO 30 KT ELSEWHERE. SEAS 9 TO 14 FT.
MON NIGHT
HURRICANE CONDITIONS POSSIBLE.
TUE
HURRICANE CONDITIONS POSSIBLE.
TUE NIGHT
HURRICANE CONDITIONS POSSIBLE.
WED
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.
SUN
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO 3 FT
IN THE AFTERNOON.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
N WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
MON NIGHT
NW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TUE
NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
..HURRICANE WARNING
TODAY
TROPICAL STORM CONDITIONS POSSIBLE. E WINDS 10 TO
15 KT W OF 70W, AND NE 20 TO 30 KT ELSEWHERE. SEAS 4 TO 6 FT.
TONIGHT
TROPICAL STORM CONDITIONS EXPECTED. W OF 70W, NE
WINDS 10 TO 20 KT, SEAS 4 TO 6 FT. ELSEWHERE, NE WINDS 30 TO
40 KT, INCREASING TO 40 TO 50 KT AFTER MIDNIGHT,SEAS 7 TO 10 FT,
BUILDING TO 10 TO 15 FT AFTER MIDNIGHT.
SUN
HURRICANE CONDITIONS EXPECTED. W OF 70W, NE WINDS 10 TO
20 KT, INCREASING TO 20 TO 30 KT IN THE AFTERNOON,SEAS 5 TO
7 FT, BUILDING TO 7 TO 10 FT IN THE AFTERNOON. ELSEWHERE, NE
WINDS 55 TO 65 KT, BECOMING E 95 TO 115 KT IN THE AFTERNOON,SEAS
15 TO 20 FT, BUILDING TO 17 TO 27 FT IN THE AFTERNOON.
SUN NIGHT
HURRICANE CONDITIONS EXPECTED. W OF 70W, N WINDS
30 TO 40 KT, SEAS 9 TO 14 FT, BUILDING TO 12 TO 17 FT AFTER
MIDNIGHT. ELSEWHERE, E WINDS 90 TO 110 KT, BECOMING SE 100 TO
120 KT AFTER MIDNIGHT,SEAS 19 TO 29 FT.
MON
HURRICANE CONDITIONS POSSIBLE. W OF 70W, N WINDS 50 TO
60 KT, INCREASING TO 80 TO 100 KT IN THE AFTERNOON. ELSEWHERE,
SE WINDS 90 TO 110 KT. SEAS 15 TO 20 FT W OF 70W, AND 20 TO
30 FT ELSEWHERE.
MON NIGHT
HURRICANE CONDITIONS POSSIBLE.
TUE
HURRICANE CONDITIONS POSSIBLE.
TUE NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
WED
SW WINDS 20 TO 30 KT. SEAS 11 TO 16 FT, SUBSIDING TO 8 TO
11 FT IN THE AFTERNOON.
ATLC WATERS S OF 22N W OF 65W
..HURRICANE WARNING
TODAY
HURRICANE CONDITIONS POSSIBLE. NE WINDS 10 TO 20 KT,
INCREASING TO 20 TO 30 KT IN THE AFTERNOON. SEAS 4 TO 6 FT.
TONIGHT
HURRICANE CONDITIONS EXPECTED. N WINDS 40 TO 50 KT,
INCREASING TO 90 TO 110 KT AFTER MIDNIGHT. SEAS 7 TO 10 FT,
BUILDING TO 8 TO 13 FT AFTER MIDNIGHT.
SUN
HURRICANE CONDITIONS EXPECTED. NW WINDS 90 TO 110 KT.
SEAS 10 TO 15 FT.
SUN NIGHT
TROPICAL STORM CONDITIONS EXPECTED. W WINDS 55 TO
65 KT, DIMINISHING TO 35 TO 45 KT AFTER MIDNIGHT. SEAS 9 TO
14 FT.
MON
TROPICAL STORM CONDITIONS POSSIBLE. SW WINDS 25 TO
35 KT. SEAS 8 TO 11 FT.
MON NIGHT
SW WINDS 20 TO 30 KT. SEAS 7 TO 10 FT.
TUE
SW WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
TUE NIGHT
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
..HURRICANE WARNING
TODAY
HURRICANE CONDITIONS. E WINDS 80 TO 100 KT, BECOMING
SE 90 TO 110 KT IN THE AFTERNOON. SEAS 13 TO 18 FT.
TONIGHT
HURRICANE CONDITIONS EXPECTED. SE WINDS 95 TO
115 KT. SEAS 13 TO 18 FT, SUBSIDING TO 10 TO 15 FT AFTER
MIDNIGHT.
SUN
TROPICAL STORM CONDITIONS EXPECTED. SE WINDS 35 TO
45 KT, DIMINISHING TO 25 TO 35 KT IN THE AFTERNOON. SEAS 8 TO
13 FT.
SUN NIGHT
SE WINDS 20 TO 30 KT. SEAS 7 TO 10 FT.
MON
SE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
MON NIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
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