556
FZNT31 KNHC 012018
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
318 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 WILL BE
POSSIBLE OFFSHORE OF NICARAGUA THROUGH LATE THIS 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
NE 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 20 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 15 TO 25 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 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 20 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 15 TO 25 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 20 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
SE WINDS 10 TO 15 KT. 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. 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. 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 6 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 15 KT. 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. 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 31N54.5W TO 25.5N63.5W
WILL PROGRESS EASTWARD TODAY, AND MODERATE TO FRESH SW WINDS ARE
EXPECTED EAST OF THE FRONT, NORTH OF 28N, THROUGH THIS EVENING.
ROUGH SEAS ASSOCIATED WITH THIS FRONT, NORTH OF 27N AND EAST OF
60W, WILL SLOWLY SUBSIDE FROM WEST TO EAST BY LATE TONIGHT.
ELSEWHERE, FRESH W WINDS AND LOCALLY ROUGH SEAS OCCURRING WELL
OFFSHORE OF NORTHERN FLORIDA WILL EXPAND EASTWARD TODAY AS A COLD
FRONT PASSING NORTH OF THE WATERS MOVES EASTWARD. 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 MOVING THROUGH THE SOUTHEASTERN U.S. THE FRONT IS FORECAST
TO ENTER THE NORTHWEST TROPICAL ATLANTIC LATER THIS WEEKEND,
SUPPORTING FRESH N WINDS AND LOCALLY ROUGH SEAS BEHIND THE FRONT.
THESE WINDS AND SEAS WILL EXPAND SOUTHEASTWARD INTO EARLY NEXT
WEEK.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 7 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 15 TO 25 KT. SEAS 4 TO 6 FT.
SAT NIGHT
W WINDS 20 TO 30 KT. SEAS 6 TO 9 FT.
SUN
N WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 5 TO 8 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 9 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
SAT
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SAT NIGHT
SW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
SUN
W WINDS 15 TO 25 KT. SEAS 6 TO 10 FT.
SUN NIGHT
N WINDS 10 TO 20 KT. SEAS 7 TO 11 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 7 TO 11 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 10 TO 15 KT. 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 5 FT.
SUN NIGHT
NE 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
SE WINDS 10 KT. 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page