801
FZNT31 KNHC 040316
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1116 PM EDT SUN AUG 3 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 HIGH
PRESSURE AND THE COLOMBIA LOW WILL CONTINUE TO ALLOW FOR FRESH
TO STRONG WINDS AND ROUGH SEAS OVER THE SOUTH-CENTRAL CARIBBEAN
MAINLY AT NIGHT THROUGH WED NIGHT. MODERATE TO LOCALLY FRESH
TRADES ARE EXPECTED OVER THE E CARIBBEAN. MODERATE OR WEAKER
WINDS OVER THE NW CARIBBEAN WILL REACH MODERATE TO FRESH SPEEDS
MON NIGHT THROUGH WED AS A TROPICAL WAVE MOVES ACROSS THE AREA.
FRESH TO LOCALLY STRONG E WINDS ARE ALSO EXPECTED IN THE GULF OF
HONDURAS TUE THROUGH WED NIGHT.
NW CARIBBEAN W OF 85W
OVERNIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 3 TO 5 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.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING, SUBSIDING TO
2 FT OR LESS.
FRI NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 FT OR LESS.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
OVERNIGHT
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 4 TO 6 FT S OF 18N, AND 3 FT ELSEWHERE.
MON
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 5 TO 7 FT S OF 18N, AND 3 FT ELSEWHERE.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT S OF 18N, AND
3 TO 5 FT ELSEWHERE.
TUE
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT S OF 18N, AND 3 TO
5 FT ELSEWHERE.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
OVERNIGHT
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
MON
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
TUE
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SW CARIBBEAN S OF 11N
OVERNIGHT
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON NIGHT
SW WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS THAN
10 KT IN THE AFTERNOON. SEAS 3 TO 5 FT.
TUE NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
WED
VARIABLE WINDS LESS THAN 10 KT, BECOMING W LESS THAN
10 KT IN THE AFTERNOON. SEAS 4 TO 6 FT.
WED NIGHT
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
CARIBBEAN BETWEEN 64W AND 72W
OVERNIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
MON
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT
ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 5 TO 7 FT
ELSEWHERE.
MON NIGHT
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
TUE
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT
ELSEWHERE. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON NIGHT
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 5 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.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
FRI NIGHT
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 4 TO 6 FT.
MON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 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.
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.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
HIGH PRESSURE WILL DOMINATE THE WEATHER PATTERN
THROUGH THE PERIOD, SUPPORTING GENTLE TO MODERATE ANTICYCLONIC
FLOW AND SLIGHT TO MODERATE SEAS. THE NORTHERN PORTION OF A
TROPICAL WAVE, CURRENTLY MOVING ACROSS HAITI, WILL REACH THE
TURKS AND CAICOS ISLANDS AND THE SE BAHAMAS TONIGHT. MODERATE TO
LOCALLY FRESH SE WINDS ARE EXPECTED IN THE WAKE OF THIS SYSTEM.
AN AREA OF SHOWERS AND THUNDERSTORMS, SUPPORTED BY MOIST AND
HUMID SOUTHERLY FLOW, WILL PERSIST OVER THE EAST WATERS,
PARTICULARLY N OF 20N BETWEEN 60W AND 70W, THROUGH AT LEAST MON.
WINDS AND SEAS COULD BE HIGHER NEAR THUNDERSTORMS.
ATLC WATERS FROM 27N TO 31N W OF 77W
OVERNIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT.
MON
SW WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
MON NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT.
TUE
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
TUE NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 4 FT.
WED
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
NE WINDS LESS THAN 10 KT, SHIFTING TO S AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
FRI
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
OVERNIGHT
SW WINDS LESS THAN 10 KT W OF 70W, AND SW 10 TO
15 KT ELSEWHERE. SEAS 5 TO 7 FT.
MON
W WINDS LESS THAN 10 KT W OF 70W, AND SW 10 TO 15 KT
ELSEWHERE. SEAS 5 TO 6 FT.
MON NIGHT
W OF 70W, VARIABLE WINDS LESS THAN 10 KT.
ELSEWHERE, SW WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 5 TO 6 FT.
TUE
W OF 70W, VARIABLE WINDS LESS THAN 10 KT. ELSEWHERE,
VARIABLE WINDS LESS THAN 10 KT, BECOMING SW 10 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT.
TUE NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED
VARIABLE WINDS LESS THAN 10 KT, BECOMING S LESS THAN
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT.
WED NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
THU
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
BAHAMAS N OF 22N
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
MON
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
WED
E WINDS LESS THAN 10 KT. SEAS 3 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING,
SUBSIDING TO 2 FT OR LESS.
THU
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
THU NIGHT
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
FRI
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
OVERNIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
MON NIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
TUE
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS 10 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
ATLC WATERS S OF 22N W OF 65W
OVERNIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 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.
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.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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 KT. SEAS 3 TO 4 FT.
WED
E WINDS 10 KT. SEAS 4 FT.
WED NIGHT
E WINDS 10 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 KT. SEAS 4 FT.
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