656
FZNT31 KNHC 121434
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1034 AM EDT MON MAY 12 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
WIDESPREAD FRESH TO STRONG E WINDS WILL OCCUR OVER
THE CENTRAL CARIBBEAN THROUGH TUE AFTERNOON AS A TIGHT PRESSURE
GRADIENT PREVAILS BETWEEN THE COLOMBIAN LOW AND HIGH PRESSURE IN
THE CENTRAL ATLANTIC. PULSING NEAR-GALE FORCE WINDS WILL BE
POSSIBLE THROUGH THE GULF OF VENEZUELA AND OFFSHORE OF
NORTHWESTERN COLOMBIA. ROUGH SEAS WILL ACCOMPANY THESE WINDS,
WITH LOCALIZED VERY ROUGH SEAS OCCURRING NEAR AND TO THE WEST OF
THE STRONGEST WINDS. WINDS AND SEAS ARE EXPECTED TO DIMINISH
MIDWEEK. ELSEWHERE, MODERATE TO FRESH TRADE WINDS WILL PULSE
THROUGH LATE THIS WEEK IN THE EASTERN CARIBBEAN, SUPPORTING ROUGH
SEAS THROUGH THE ATLANTIC PASSAGES INTO THE EASTERN BASIN.
LOOKING AHEAD, PULSING FRESH TO STRONG E WINDS WILL DEVELOP IN
THE GULF OF HONDURAS BY MIDWEEK.
NW CARIBBEAN W OF 85W
THIS AFTERNOON
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
E WINDS LESS THAN 10 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 4 TO 5 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
THIS AFTERNOON
E WINDS 10 TO 20 KT S OF 18N, AND SE LESS THAN
10 KT ELSEWHERE. SEAS 6 TO 9 FT S OF 18N, AND 4 TO 6 FT
ELSEWHERE.
TONIGHT
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 6 TO 9 FT S OF 18N, AND 4 TO 6 FT ELSEWHERE.
TUE
E WINDS 10 TO 20 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 6 TO 9 FT S OF 18N, AND 4 TO 6 FT ELSEWHERE.
TUE NIGHT
E WINDS 10 TO 15 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. SEAS 6 TO 8 FT S OF 18N, AND 3 TO 5 FT ELSEWHERE.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 7 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 4 TO 6 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
THIS AFTERNOON
E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
TONIGHT
E WINDS 20 TO 30 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 15 TO 25 KT ELSEWHERE. SEAS 8 TO 11 FT.
TUE
E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
TUE NIGHT
NE WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 7 TO 10 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT.
SW CARIBBEAN S OF 11N
THIS AFTERNOON
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
TUE NIGHT
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 6 TO 9 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED NIGHT
NE WINDS LESS THAN 10 KT, SHIFTING TO S AFTER
MIDNIGHT. SEAS 5 TO 7 FT.
THU
W WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
THU NIGHT
W WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT, SHIFTING TO SW AFTER
MIDNIGHT. SEAS 3 TO 5 FT.
CARIBBEAN BETWEEN 64W AND 72W
THIS AFTERNOON
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E
10 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO
9 FT ELSEWHERE.
TONIGHT
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO 9 FT
ELSEWHERE.
TUE
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT
ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO 8 FT
ELSEWHERE.
TUE NIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT GULF OF VENEZUELA, AND 6 TO 9 FT
ELSEWHERE.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 15 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 7 TO 10 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
FRESH TO STRONG S TO SE WINDS AND ROUGH SEAS WILL
OCCUR OFFSHORE OF FLORIDA TODAY INTO TUE AFTERNOON AS A
STRENGTHENING PRESSURE GRADIENT DEVELOPS BETWEEN A COLD FRONT IN
THE EASTERN GULF OF AMERICA AND HIGH PRESSURE IN THE CENTRAL
ATLANTIC. PERIODS OF NEAR-GALE FORCE WINDS WILL BE POSSIBLE
OFFSHORE OF NORTHERN FLORIDA TONIGHT. THE COLD FRONT WILL MOVE
INTO THE WESTERN ATLANTIC ON TUE, AND WINDS WILL TURN TO THE W
BEHIND THE FRONT AND WEAKEN, BEFORE THE FRONT LIFTS NORTHEASTWARD
OUT OF THE REGION ON WED. FARTHER SOUTH, PULSING FRESH TO STRONG
E WINDS ARE EXPECTED EACH AFTERNOON AND EVENING OFFSHORE OF
NORTHERN HISPANIOLA THROUGH WED. ELSEWHERE, MODERATE TO LOCALLY
STRONG TRADE WINDS AND ROUGH SEAS IN MIXED NE AND SE SWELL WILL
PREVAIL SOUTH OF 25N THIS WEEK, INCLUDING ACROSS THE ATLANTIC
PASSAGES INTO THE EASTERN CARIBBEAN.
ATLC WATERS FROM 27N TO 31N W OF 77W
THIS AFTERNOON
SE WINDS 20 TO 30 KT. SEAS 5 TO 8 FT.
TONIGHT
S WINDS 20 TO 30 KT. SEAS 6 TO 10 FT.
TUE
SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE NIGHT
SW WINDS LESS THAN 10 KT, SHIFTING TO S AFTER
MIDNIGHT. SEAS 4 TO 6 FT.
WED
SW WINDS 10 TO 15 KT, SHIFTING TO W IN THE AFTERNOON.
SEAS 3 TO 5 FT.
WED NIGHT
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
THU
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT W OF 70W, AND
4 TO 5 FT ELSEWHERE.
TUE
SE WINDS 10 TO 20 KT W OF 70W, AND SE 10 TO 15 KT
ELSEWHERE. SEAS 5 TO 7 FT W OF 70W, AND 4 TO 5 FT ELSEWHERE.
TUE NIGHT
S WINDS 10 TO 15 KT W OF 70W, AND SE LESS THAN
10 KT ELSEWHERE. SEAS 4 TO 6 FT.
WED
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
THU
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
THU NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
BAHAMAS N OF 22N
THIS AFTERNOON
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
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
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU
SE WINDS LESS THAN 10 KT. SEAS 3 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
THIS AFTERNOON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
SE WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
FRI
SE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
ATLC WATERS S OF 22N W OF 65W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 10 TO 20 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 4 TO 6 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
THIS AFTERNOON
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
TONIGHT
E WINDS 15 KT. SEAS 7 TO 8 FT.
TUE
E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
WED
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
THU
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT.
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