948
FZNT31 KNHC 020318
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1018 PM EST THU JAN 1 2026
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
MODERATE TO FRESH N TO NE WINDS AND MODERATE SEAS
WILL PREVAIL OVER THE CENTRAL AND WESTERN CARIBBEAN, INCLUDING
THROUGH THE WINDWARD PASSAGE, THROUGH FRI AS HIGH PRESSURE
BUILDS OVER THE GULF OF AMERICA. LOCALLY STRONG N WINDS OFFSHORE
NICARAGUA WILL DIMINISH TO FRESH SPEEDS TONIGHT AND THEN PREVAIL
THROUGH FRI EVENING. ELSEWHERE, FRESH TO LOCALLY STRONG TRADE
WINDS ARE EXPECTED IN THE SOUTH-CENTRAL BASIN THROUGH SAT AS LOW
PRESSURE ANCHORS OVER NORTHERN COLOMBIA. MODERATE OR WEAKER
WINDS AND MODERATE SEAS ARE THEN EXPECTED OVER MUCH OF THE
CARIBBEAN SUN INTO EARLY NEXT WEEK.
NW CARIBBEAN W OF 85W
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
E WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING, SUBSIDING TO
2 FT OR LESS.
SAT NIGHT
E WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
VARIABLE WINDS LESS THAN 10 KT, BECOMING N LESS THAN
10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS.
SUN NIGHT
N WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
TUE
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS, BUILDING TO
3 FT IN THE AFTERNOON.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
S OF 18N, NE WINDS 10 TO 15 KT. ELSEWHERE, NE WINDS
10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT AFTER MIDNIGHT. SEAS
3 TO 5 FT.
SAT
E WINDS 10 TO 15 KT S OF 18N, AND NE LESS THAN 10 KT
ELSEWHERE. SEAS 3 TO 5 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
NE WINDS LESS THAN 10 KT, SHIFTING TO N IN THE AFTERNOON.
SEAS 3 TO 4 FT.
SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND NE 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 20 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND NE 10 TO 15 KT ELSEWHERE. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SW CARIBBEAN S OF 11N
TONIGHT
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT.
SAT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
N WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
MON
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE NIGHT
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 15 TO 20 KT GULF OF VENEZUELA, AND E 10 TO
20 KT ELSEWHERE. SEAS 3 TO 4 FT GULF OF VENEZUELA, AND 4 TO 6 FT
ELSEWHERE.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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. SEAS 3 TO 5 FT.
MON
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
MON NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 15 KT, SHIFTING TO SE IN THE AFTERNOON.
SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
MON NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TONIGHT
E WINDS 10 TO 15 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 4 TO 6 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT EXTENDING FROM 31N55W TO 22N66W WILL
PROGRESS EASTWARD AND EXIT THE AREA FRI NIGHT. FRESH WESTERLIES
W OF THE FRONT AND N OF 29N WILL DIMINISH TO MODERATE SPEEDS FRI
MORNING WHILE ROUGH SEAS WITHIN THESE WINDS WILL SUBSIDE THROUGH
SAT MORNING. LOOKING AHEAD, FRESH TO STRONG SW WINDS AND ROUGH
SEAS ARE EXPECTED TO DEVELOP OFFSHORE OF NORTHERN AND CENTRAL
FLORIDA ON SAT, AHEAD OF A COLD FRONT FORECAST TO ENTER THE
NORTHWEST TROPICAL ATLANTIC SAT NIGHT. FRESH N WINDS AND LOCALLY
ROUGH SEAS ARE FORECAST BEHIND THE FRONT, EXPANDING SOUTHEASTWARD
INTO EARLY NEXT WEEK.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
W WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
SUN
N WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
TUE
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE LESS THAN
10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT.
TUE NIGHT
S WINDS 10 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
W WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
FRI
W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SAT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SUN
W WINDS 15 TO 25 KT. SEAS 7 TO 10 FT.
SUN NIGHT
N WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 7 TO 10 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
BAHAMAS N OF 22N
TONIGHT
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
FRI
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT
VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SAT NIGHT
W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
SUN
NW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 2 FT OR LESS, BUILDING TO 3 FT IN THE
AFTERNOON.
SUN NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 FT.
MON
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 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
TONIGHT
NW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI
NW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI NIGHT
N WINDS LESS THAN 10 KT, SHIFTING TO S AFTER
MIDNIGHT. SEAS 4 TO 6 FT.
SAT
NW WINDS LESS THAN 10 KT, SHIFTING TO SE IN THE
AFTERNOON. SEAS 4 TO 6 FT.
SAT NIGHT
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
W WINDS 10 TO 15 KT, SHIFTING TO NW AFTER MIDNIGHT.
SEAS 4 TO 6 FT.
MON
N WINDS LESS THAN 10 KT, SHIFTING TO NE IN THE AFTERNOON.
SEAS 4 TO 6 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
SUN
S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS LESS THAN 10 KT, SHIFTING TO NW AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
MON
NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
MON NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
TONIGHT
SE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI
SE WINDS LESS THAN 10 KT IN THE MORNING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
FRI NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 4 FT.
SAT NIGHT
E WINDS 10 KT. SEAS 4 TO 5 FT.
SUN
E WINDS 10 TO 15 KT, SHIFTING TO SE IN THE AFTERNOON.
SEAS 4 TO 5 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
MON
SE WINDS 10 TO 15 KT, SHIFTING TO S IN THE AFTERNOON.
SEAS 4 TO 5 FT.
MON NIGHT
S WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
TUE
S WINDS 10 TO 15 KT, SHIFTING TO SW IN THE AFTERNOON.
SEAS 4 TO 5 FT.
TUE NIGHT
NW WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
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