297
FZNT31 KNHC 161912
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
212 PM EST MON DEC 16 2024
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 STRONG HIGH PRESSURE
OVER THE WESTERN ATLANTIC AND A SURFACE TROUGH EXTENDING OVER
THE SE BAHAMAS AND EASTERN CUBA INTO THE CENTRAL CARIBBEAN
SUPPORTS FRESH TO STRONG NE WINDS IN THE LEE OF WESTERN CUBA,
INCLUDING THE YUCATAN CHANNEL. THESE WINDS WILL DIMINISH BY LATE
TODAY OR TONIGHT. HIGH PRESSURE WILL BUILD IN THE WAKE ON THE
TROUGH, ENHANCING THE TRADE WIND FLOW OVER THE CENTRAL CARIBBEAN,
MAINLY AT NIGHT, TONIGHT THROUGH FRI.
NW CARIBBEAN W OF 85W
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
TUE NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED
E WINDS LESS THAN 10 KT. SEAS 3 FT.
WED NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING NE LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 FT IN THE EVENING, SUBSIDING
TO 2 FT OR LESS.
THU
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
THU NIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 2 FT OR LESS.
FRI
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
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 20 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. S OF 18N, SEAS 4 TO 6 FT. ELSEWHERE, SEAS 2 FT OR
LESS, BUILDING TO 3 TO 4 FT AFTER MIDNIGHT.
WED
S OF 18N, E WINDS 10 TO 20 KT. ELSEWHERE, E WINDS 10 TO
15 KT, DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS
4 TO 6 FT S OF 18N, AND 3 TO 4 FT ELSEWHERE.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
NE WINDS 15 TO 20 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 20 KT ELSEWHERE. SEAS 3 TO 5 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE 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.
WED
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.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
NE 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 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SW CARIBBEAN S OF 11N
TONIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
TUE
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 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 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 15 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 4 TO 6 FT.
SAT NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 20 TO 25 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 4 TO 6 FT.
WED
E WINDS 15 TO 25 KT GULF OF VENEZUELA, AND E 10 TO 20 KT
ELSEWHERE. SEAS 3 TO 4 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 5 TO 7 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.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
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 20 KT. SEAS 6 TO 8 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
THU
E WINDS 10 TO 20 KT. SEAS 7 TO 10 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 4 TO 6 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
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 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 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 6 TO 8 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 5 TO 7 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 4 TO 6 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A TIGHT PRESSURE GRADIENT BETWEEN STRONG HIGH
PRESSURE OVER THE WESTERN ATLANTIC AND A SURFACE TROUGH OVER THE
SE BAHAMAS AND EASTERN CUBA CONTINUES TO SUPPORT FRESH TO STRONG
NE WINDS AND ROUGH SEAS OVER MOST OF THE WATERS WEST OF 65W.
THESE CONDITIONS WILL SLOWLY ABATE BY TONIGHT. FRESH TO LOCALLY
STRONG E WINDS WILL PREVAIL E OF THE BAHAMAS THROUGH WED AS A
RIDGE BUILDS TOWARDS THE WESTERN ATLANTIC. LOOKING AHEAD, THE
NEXT COLD FRONT IS FORECAST TO MOVE OFF THE NORTHEASTERN FLORIDA
COAST WED NIGHT, REACH FROM NEAR 32N71W TO THE CENTRAL BAHAMAS
BY LATE THU NIGHT AND STALL. A STRONG COLD FRONT MAY QUICKLY
MERGE WITH THE STALLED FRONT LATE ON FRI, FOLLOWED BY FRESH TO
STRONG NW WINDS.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 7 TO 9 FT.
TUE NIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
NW WINDS 10 KT. SEAS 5 TO 7 FT.
THU NIGHT
N WINDS 10 KT. SEAS 5 TO 7 FT.
FRI
NW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 5 TO 7 FT.
FRI NIGHT
NW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
SAT
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
N WINDS 10 KT. SEAS 4 TO 5 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
WED
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
WED NIGHT
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
FRI
SW WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.
FRI NIGHT
W WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.
SAT
NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
N WINDS 10 KT. SEAS 6 TO 8 FT.
BAHAMAS N OF 22N
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 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.
WED
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
SE 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 TO 4 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
SAT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
E WINDS 15 TO 25 KT. SEAS 9 TO 10 FT.
TUE
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
TUE NIGHT
E WINDS 15 TO 25 KT W OF 70W, AND E 10 TO 20 KT
ELSEWHERE. SEAS 7 TO 10 FT.
WED
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
THU
SE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
S WINDS LESS THAN 10 KT, SHIFTING TO SW AFTER
MIDNIGHT. SEAS 5 TO 6 FT.
SAT
W WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
SAT NIGHT
N WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
WED
E WINDS 15 TO 25 KT. SEAS 7 TO 10 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
SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT, SHIFTING TO S AFTER MIDNIGHT.
SEAS 4 TO 6 FT.
SAT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS 15 TO 20 KT. SEAS 7 TO 9 FT.
WED
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
WED NIGHT
E WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
THU
E WINDS 15 TO 25 KT. SEAS 9 TO 11 FT.
THU NIGHT
E WINDS 15 TO 20 KT. SEAS 8 TO 10 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 7 TO 8 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
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