581
FZNT31 KNHC 051521
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1121 AM EDT SAT JUL 5 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
THE PRESSURE GRADIENT BETWEEN THE ATLANTIC RIDGE AND
THE COLOMBIAN LOW WILL CONTINUE TO SUPPORT PULSING FRESH TO
STRONG TRADES AND ROUGH SEAS ACROSS THE SOUTH-CENTRAL CARIBBEAN
THROUGH THE FORECAST PERIOD. MODERATE TO FRESH WINDS AND
MODERATE SEAS ARE EXPECTED IN THE EASTERN CARIBBEAN WHILE GENTLE
TO MODERATE WINDS AND SLIGHT TO MODERATE SEAS WILL PREVAIL
ELSEWHERE, WITH THE EXCEPTION OF MODERATE TO FRESH E WINDS IN
THE GULF OF HONDURAS TONIGHT THROUGH WED NIGHT.
NW CARIBBEAN W OF 85W
THIS AFTERNOON
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS,
BUILDING TO 3 FT IN THE AFTERNOON.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 FT.
SUN
SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS 15 TO 25 KT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT S OF 18N,
AND 2 FT OR LESS ELSEWHERE.
TONIGHT
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, SE WINDS
10 TO 15 KT, SHIFTING TO E 15 TO 25 KT AFTER MIDNIGHT. SEAS 4 TO
6 FT S OF 18N, AND 2 FT OR LESS ELSEWHERE.
SUN
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO 20 KT
ELSEWHERE. S OF 18N, SEAS 4 TO 6 FT. ELSEWHERE, SEAS 2 FT OR
LESS, BUILDING TO 3 FT IN THE AFTERNOON.
SUN NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT S OF 18N, AND
3 TO 4 FT ELSEWHERE.
MON
E WINDS 10 TO 20 KT S OF 18N, AND E 15 TO 25 KT
ELSEWHERE. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 20 KT S OF 18N, AND E 15 TO 25 KT
ELSEWHERE. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO 20 KT
ELSEWHERE. SEAS 3 TO 5 FT.
WED
E WINDS 15 TO 25 KT S OF 18N, AND E 10 TO 20 KT
ELSEWHERE. SEAS 5 TO 7 FT S OF 18N, AND 3 TO 4 FT ELSEWHERE.
CARIBBEAN FROM 11N TO 15N W OF 72W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
NE WINDS 10 TO 20 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 15 TO 25 KT ELSEWHERE. SEAS 4 TO 6 FT.
SUN
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT WITHIN 90 NM OF
COAST OF COLOMBIA, AND 4 TO 6 FT ELSEWHERE.
MON
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 20 TO 30 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
WED
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
SW CARIBBEAN S OF 11N
THIS AFTERNOON
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
N WINDS 10 TO 15 KT, SHIFTING TO SW IN THE AFTERNOON.
SEAS 3 TO 4 FT.
SUN NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
TUE
NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
CARIBBEAN BETWEEN 64W AND 72W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
SUN
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 15 TO
25 KT ELSEWHERE. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT.
TUE
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
WED
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
TROPICAL STORM CHANTAL IS NEAR 31.1N 78.7W AT 11 AM
EDT, AND IS MOVING NORTH AT 1 KT. MAXIMUM SUSTAINED WINDS ARE
35 KT WITH GUSTS TO 45 KT, AND THE MINIMUM CENTRAL PRESSURE IS
1007 MB. CHANTAL WILL MOVE TO 31.8N 79.0W THIS EVENING, INLAND TO
33.1N 79.3W SUN MORNING, MOVE INLAND AND WEAKEN TO A TROPICAL
DEPRESSION NEAR 34.6N 79.2W SUN EVENING, INLAND TO 35.8N 78.0W
MON MORNING, AND DISSIPATE MON EVENING. HIGH PRESSURE WILL
PREVAIL ELSEWHERE. THIS PATTERN WILL SUPPORT GENERALLY GENTLE TO
MODERATE WINDS EXCEPT FOR MODERATE TO FRESH WINDS OFF THE
NORTHERN COAST OF HISPANIOLA THROUGH MON.
ATLC WATERS FROM 27N TO 31N W OF 77W
..TROPICAL STORM WARNING
THIS AFTERNOON
TROPICAL STORM CONDITIONS. S WINDS 25 TO
35 KT. SEAS 6 TO 8 FT.
TONIGHT
TROPICAL STORM CONDITIONS EXPECTED. S WINDS 25 TO 35
KT. SEAS 6 TO 8 FT.
SUN
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT.
TUE
SW WINDS 10 TO 15 KT. SEAS 3 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT.
WED
S WINDS 10 TO 15 KT. SEAS 3 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
THIS AFTERNOON
S WINDS 15 TO 25 KT W OF 70W, AND SE 10 TO
15 KT ELSEWHERE. SEAS 4 TO 6 FT.
TONIGHT
S WINDS 15 TO 25 KT W OF 70W, AND SE 10 TO 15 KT
ELSEWHERE. SEAS 4 TO 6 FT.
SUN
S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN NIGHT
SE WINDS 10 TO 20 KT W OF 70W, AND SE LESS THAN
10 KT ELSEWHERE. SEAS 3 TO 5 FT.
MON
SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
BAHAMAS N OF 22N
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN
SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 2 FT OR LESS.
MON
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
TUE
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 2 FT OR LESS, BUILDING TO
3 FT AFTER MIDNIGHT.
WED
E WINDS 10 TO 20 KT. SEAS 3 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
THIS AFTERNOON
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 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
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
WED
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
ATLC WATERS S OF 22N W OF 65W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 15 TO 25 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
WED
E WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 5 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON
E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
TUE
E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT.
TUE NIGHT
E WINDS 15 TO 20 KT. SEAS 6 FT.
WED
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
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