336
FZNT31 KNHC 190311
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1011 PM EST TUE FEB 18 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
FRESH TO STRONG TRADE WINDS AND MODERATE SEAS WILL
CONTINUE OVER MOST SECTIONS OF THE CENTRAL AND EASTERN CARIBBEAN
THROUGH EARLY SUN BEFORE DIMINISHING SOME THROUGH THE REMAINDER
OF THE PERIOD. STRONG TO NEAR GALE-FORCE WINDS AND ROUGH SEAS
ARE EXPECTED OFFSHORE OF COLOMBIA INTO THE UPCOMING WEEKEND.
GENTLE TO MODERATE WINDS ALONG WITH SLIGHT TO MODERATE SEAS WILL
PREVAIL IN THE NORTHWESTERN CARIBBEAN THROUGH THU NIGHT, THEN
RETURN SAT NIGHT THROUGH SUN NIGHT. A WEAKENING FRONTAL BOUNDARY
WILL APPROACH THE YUCATAN CHANNEL THU NIGHT INTO FRI, REACH THE
WINDWARD PASSAGE FRI NIGHT INTO SAT BEFORE DISSIPATING SAT
NIGHT. STRONG HIGH PRESSURE BUILDING IN THE WAKE OF THE FRONT N
OF THE AREA WILL LEAD TO THE DEVELOPMENT OF FRESH TO STRONG NE
WINDS IN THE LEE OF CUBA AND THE WINDWARD PASSAGE FRI EVENING
THROUGH SAT NIGHT. OTHERWISE, ROUGH SEAS IN EAST SWELL WILL
CONTINUE EAST OF THE LESSER ANTILLES THROUGH FRI NIGHT,
SUBSIDING AFTERWARD.
NW CARIBBEAN W OF 85W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
WED
SE 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 LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
SUN
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
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.
WED
S OF 18N, E WINDS 10 TO 20 KT, SEAS 4 TO 6 FT. ELSEWHERE,
E WINDS 10 TO 15 KT, SHIFTING TO SE IN THE AFTERNOON,SEAS 3 FT
IN THE MORNING, SUBSIDING TO 2 FT OR LESS.
WED NIGHT
E WINDS 10 TO 20 KT S OF 18N, AND NE LESS THAN
10 KT ELSEWHERE. S OF 18N, SEAS 4 TO 6 FT. ELSEWHERE, SEAS 2 FT
OR LESS, BUILDING TO 3 FT AFTER MIDNIGHT.
THU
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.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 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 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
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.
WED
E WINDS 15 TO 25 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 20 TO 25 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SW CARIBBEAN S OF 11N
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED
NE WINDS 10 TO 15 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 5 TO 7 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
WED
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 6 TO 8 FT
ELSEWHERE.
WED NIGHT
E WINDS 20 TO 30 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 5 TO 7 FT.
THU
E WINDS 15 TO 20 KT GULF OF VENEZUELA, AND E 10 TO 20 KT
ELSEWHERE. SEAS 5 TO 7 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 8 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 15 KT. SEAS 6 TO 9 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED
E WINDS 10 TO 20 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 15 KT. SEAS 6 TO 8 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDING FROM 31N55W TO 27N66W WHERE
IT STALLS TO 26N74W WILL BECOME FULLY STATIONARY AND WEAKEN FROM
29N55W TO 27N64W EARLY ON WED. FRESH TO STRONG SOUTHEAST WINDS
WILL DEVELOP OVER THE NORTHEAST FLORIDA OFFSHORE WATERS WED
MORNING AHEAD OF THE NEXT COLD FRONT FORECAST TO COME OFF THE
COAST WED EVENING. THIS FRONT WILL REACH FROM NEAR 31N77W TO VERO
BEACH, FLORIDA WED NIGHT, FROM NEAR 31N63W TO THE SOUTHERN
BAHAMAS AND EASTERN CUBA THU NIGHT, FROM NEAR 29N55W TO THE
WINDWARD PASSAGE FRI NIGHT AND BEGIN TO WEAKEN AS IT REACHES FROM
NEAR 26N55W TO 22N64W TO THE WINDWARD PASSAGE SAT NIGHT. FRESH
TO STRONG WINDS ARE EXPECTED AHEAD AND BEHIND THIS FRONT NORTH OF
ABOUT 27N THROUGH FRI. STRONG HIGH PRESSURE WILL BUILD SAT AND
SAT NIGHT IN THE WAKE OF THE FRONT. THE RESULTANT TIGHT GRADIENT
WILL BRING FRESH TO STRONG NE WINDS TO THE STRAITS OF FLORIDA AND
THE GREAT BAHAMA BANK PRIMARILY SOUTH OF 25N FRI NIGHT INTO SAT
NIGHT. CONDITIONS DIMINISH SUN AND SUN NIGHT AS ANOTHER COLD
FRONT MOVES ACROSS THE NORTHWEST PART OF THE AREA.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
E WINDS LESS THAN 10 KT, SHIFTING TO SE AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
WED
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU
NW WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
THU NIGHT
N WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
FRI
N WINDS 15 KT. SEAS 6 TO 8 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
SE WINDS LESS THAN 10 KT, SHIFTING TO S AFTER
MIDNIGHT. SEAS 3 TO 5 FT.
SUN
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
W WINDS 10 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
E WINDS 10 TO 15 KT W OF 70W, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED NIGHT
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
SW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
THU NIGHT
NW WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
FRI
N WINDS 10 TO 20 KT. SEAS 8 TO 12 FT.
FRI NIGHT
N WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 7 TO 10 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT, SHIFTING TO E AFTER MIDNIGHT.
SEAS 6 TO 9 FT.
SUN
E WINDS LESS THAN 10 KT, SHIFTING TO SE IN THE AFTERNOON.
SEAS 5 TO 7 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
BAHAMAS N OF 22N
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING,
SUBSIDING TO 2 FT OR LESS.
THU
SW WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE
AFTERNOON. SEAS 2 FT OR LESS.
THU NIGHT
N WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT, SHIFTING TO SE AFTER MIDNIGHT.
SEAS 3 TO 5 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI
N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI NIGHT
N WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
FRI
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.
THU
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI NIGHT
E WINDS 10 KT. SEAS 6 TO 8 FT.
SAT
E WINDS 10 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
SUN NIGHT
E WINDS 15 KT. SEAS 7 TO 8 FT.
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