870
FZNT31 KNHC 171947
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
247 PM EST MON FEB 17 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
MOSTLY FRESH TRADE WINDS AND MODERATE SEAS ARE
EXPECTED ACROSS THE CENTRAL, EASTERN AND PORTIONS OF THE
SOUTHWESTERN PART OF THE BASIN FOR THE REST THE WEEK, EXCEPT FOR
STRONG TO NEAR GALE-FORCE WINDS AND ROUGH SEAS OFFSHORE OF
COLOMBIA. GENTLE TO MODERATE WINDS ALONG WITH SLIGHT TO MODERATE
SEAS WILL PREVAIL IN THE NORTHWESTERN CARIBBEAN THROUGH THU. A
COLD FRONT WILL SINK INTO THE YUCATAN CHANNEL AND VICINITY
WATERS THU NIGHT INTO FRI, AND WEAKEN AS IT MOVES ACROSS THE
NORTHWESTERN PART OF THE BASIN THROUGH SAT. FRESH NORTHEAST TO
EAST WINDS WILL FOLLOW THE FRONT. OTHERWISE, ROUGH SEAS IN EAST
SWELL WILL CONTINUE EAST OF THE LESSER ANTILLES THROUGH EARLY
FRI, SUBSIDING AFTERWARD.
NW CARIBBEAN W OF 85W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
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 5 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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
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.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT S OF 18N, AND
3 TO 4 FT ELSEWHERE.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT S OF 18N, AND 3 TO
4 FT ELSEWHERE.
TUE NIGHT
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. ELSEWHERE, E TO SE WINDS
10 TO 15 KT. SEAS 4 TO 6 FT S OF 18N, AND 3 TO 4 FT N OF 18N.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 20 KT. SEAS 4 TO 6 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 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.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
E WINDS 20 TO 30 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 6 TO 9 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 9 FT.
TUE NIGHT
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 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 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.
SW CARIBBEAN S OF 11N
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 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 20 KT. SEAS 5 TO 7 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 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.
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.
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 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 5 TO 7 FT
ELSEWHERE.
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 4 TO 6 FT.
FRI
E WINDS 10 TO 20 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 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.
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 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 9 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 5 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 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.
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 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 9 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.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDING FROM 31N68W TO THE NW BAHAMAS
AND TO THE STRAITS OF FLORIDA WILL REACH FROM NEAR 31N64W TO
26N70W TONIGHT, FROM NEAR 31N58W TO 29N65W EARLY TUE, THEN
BECOME STATIONARY AND WEAKEN FROM 29N55W TO 29N65W EARLY WED.
FRESH TO STRONG SOUTHWEST WINDS AHEAD OF THE FRONT NORTH OF 29N
WILL DIMINISH LATE TONIGHT AS THE FRONT MOVES EASTWARD. ROUGH
SEAS OVER MUCH OF THE WATERS E OF 65W WILL PREVAIL THROUGH
TONIGHT. FRESH TO STRONG SOUTHEAST WINDS WILL DEVELOP OVER THE
CENTRAL AND NORTHEAST FLORIDA OFFSHORE WATERS EARLY WED AHEAD OF
THE NEXT COLD FRONT FORECAST TO COME OFF THE COAST WED AFTERNOON.
THIS FRONT WILL REACH FROM NEAR 31N76W TO STUART, FLORIDA WED
NIGHT, FROM NEAR 31N65W TO THE SOUTHEASTERN 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 AND STATIONARY TO THE WINDWARD PASSAGE SAT NIGHT. FRESH TO
STRONG WINDS ARE EXPECTED AHEAD AND BEHIND THIS SECOND 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 NORTHEAST WINDS WEST OF THE
FRONT TO THE STRAITS OF FLORIDA PRIMARILY SOUTH OF 25N BEGINNING
FRI NIGHT.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
NE WINDS 10 KT IN THE EVENING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
TUE NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 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 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
N WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
FRI
N WINDS 10 TO 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 10 TO 15 KT. SEAS 4 TO 5 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE
NE WINDS 10 TO 15 KT W OF 70W, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 6 TO 9 FT.
TUE NIGHT
W OF 70W, E WINDS 10 TO 15 KT. ELSEWHERE, NE WINDS
10 TO 15 KT. 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 5 TO 7 FT.
THU
W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
THU NIGHT
NW WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
FRI
N WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
FRI NIGHT
N WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 8 TO 11 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
BAHAMAS N OF 22N
TONIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
S WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT.
THU
SW WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE
AFTERNOON. SEAS 2 FT OR LESS.
THU NIGHT
NE 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 4 TO 6 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
W OF 70W, E WINDS LESS THAN 10 KT. ELSEWHERE, SE
WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
TUE
W OF 70W, E WINDS LESS THAN 10 KT. ELSEWHERE, SE WINDS
10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT W OF 70W, AND SE LESS THAN
10 KT ELSEWHERE. 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 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
SW WINDS 10 TO 15 KT, SHIFTING TO N AFTER MIDNIGHT.
SEAS 5 TO 7 FT.
FRI
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
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.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
E 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. SEAS 4 TO 6 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.
THU
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 7 TO 9 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
SAT
NE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
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