167
FZNT31 KNHC 280317
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1117 PM EDT THU MAR 27 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
WINDS OFF COLOMBIA WILL PULSE TO NEAR GALE FORCE
SPEEDS AT NIGHT AND EARLY MORNING THROUGH THE UPCOMING WEEKEND.
FRESH TO STRONG WINDS WILL DEVELOP IN THE LEE OF CUBA, AND IN
THE WINDWARD PASSAGE TONIGHT THROUGH FRI NIGHT. SIMILAR WIND
SPEEDS WILL DEVELOP IN THE GULF OF HONDURAS AND SOUTH OF
HISPANIOLA TONIGHT THROUGH THE UPCOMING WEEKEND AND INTO EARLY
NEXT WEEK. MODERATE TO FRESH WINDS WILL PREVAIL ELSEWHERE,
EXCEPT DIMINISHING TO LIGHT TO GENTLE IN THE LEE OF CUBA LATE IN
THE WEEKEND. NORTHERLY SWELL MAY IMPACT THE ATLANTIC PASSAGES
THIS WEEKEND.
NW CARIBBEAN W OF 85W
OVERNIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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.
SAT
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 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.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
OVERNIGHT
E WINDS 10 TO 20 KT S OF 18N, AND NE 15 TO 25 KT
ELSEWHERE. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 20 KT S OF 18N, AND E 15 TO 25 KT
ELSEWHERE. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
OVERNIGHT
NE WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
FRI
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
FRI NIGHT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 6 TO 8 FT.
SAT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON NIGHT
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
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SW CARIBBEAN S OF 11N
OVERNIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
CARIBBEAN BETWEEN 64W AND 72W
OVERNIGHT
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT.
FRI
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT
ELSEWHERE. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 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.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
OVERNIGHT
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.
SAT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
MON
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 6 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.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
OVERNIGHT
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.
SAT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 6 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.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDING FROM 31N59W TO 25N75W WILL
MOVE SE ACROSS THE FORECAST WATERS THROUGH LATE SAT WHILE
WEAKENING. EXPECT FRESH TO STRONG NE WINDS AND BUILDING SEAS OF
UP TO 12 FT IN THE WAKE OF THE FRONT. HIGH PRESSURE WILL FOLLOW
THE FRONT. WINDS AND SEAS WILL START TO DECREASE LATER IN THE
WEEKEND AS THE HIGH SHIFTS EASTWARD AND WEAKENS. ANOTHER COLD
FRONT MAY MOVE OFF THE SE UNITED STATES COAST BY EARLY TUE.
ATLC WATERS FROM 27N TO 31N W OF 77W
OVERNIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI NIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT
SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
MON NIGHT
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
OVERNIGHT
NE WINDS 10 TO 20 KT W OF 70W, AND NE 15 TO 25 KT
ELSEWHERE. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT W OF 70W, AND NE 15 TO 25 KT
ELSEWHERE. SEAS 6 TO 9 FT.
FRI NIGHT
E WINDS 10 TO 20 KT W OF 70W, AND E 15 TO 25 KT
ELSEWHERE. SEAS 6 TO 9 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
MON NIGHT
S WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.
TUE
S WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.
TUE NIGHT
S WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT.
BAHAMAS N OF 22N
OVERNIGHT
NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
SAT
E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
OVERNIGHT
NE WINDS 20 TO 25 KT W OF 70W, AND NE 15 TO 25 KT
ELSEWHERE. SEAS 6 TO 9 FT.
FRI
NE WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
FRI NIGHT
E WINDS 15 TO 25 KT. SEAS 8 TO 12 FT.
SAT
E WINDS 15 TO 25 KT. SEAS 9 TO 12 FT.
SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 9 TO 11 FT.
SUN
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 9 FT.
MON
SE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
MON NIGHT
SE WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
ATLC WATERS S OF 22N W OF 65W
OVERNIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 6 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 8 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
OVERNIGHT
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 8 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 8 TO 9 FT.
SUN
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
SUN NIGHT
E WINDS 15 TO 20 KT. SEAS 9 TO 10 FT.
MON
E WINDS 20 KT. SEAS 9 TO 10 FT.
MON NIGHT
E WINDS 20 KT. SEAS 8 TO 10 FT.
TUE
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
TUE NIGHT
E WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.
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