578
FZNT31 KNHC 042001
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
301 PM EST SUN JAN 4 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
A WEAK PRESSURE GRADIENT WILL SUPPORT GENTLE TO
MODERATE TRADE WINDS OVER THE CARIBBEAN WATERS THROUGH MIDWEEK.
HIGH PRESSURE WILL BUILD NORTH OF THE AREA, WHICH WILL TIGHTEN
THE PRESSURE GRADIENT ACROSS THE AREA THE MIDDLE OF THE WEEK.
THE TIGHTER PRESSURE GRADIENT WILL SUPPORT FRESH TRADE WINDS
OVER THE CENTRAL CARIBBEAN, WITH WINDS REACHING STRONG SPEEDS
OFF COLOMBIA.
NW CARIBBEAN W OF 85W
TONIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
MON
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
MON NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 3 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
S OF 18N, NE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN
10 KT IN THE AFTERNOON. ELSEWHERE, 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 4 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WED
E 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 4 TO 6 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 5 TO 7 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
TONIGHT
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 4 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
SW CARIBBEAN S OF 11N
TONIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. 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, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 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 4 TO 6 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 8 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
CARIBBEAN BETWEEN 64W AND 72W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
GULF OF VENEZUELA, NE WINDS 10 TO 15 KT. ELSEWHERE,
E WINDS 10 TO 15 KT, SHIFTING TO NE AFTER MIDNIGHT. SEAS 3 TO
4 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E 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
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.
OFFSHORE LEEWARD ISLANDS AND ADJACENT ATLC WATERS FROM 15N TO
19N W OF 55W
TONIGHT
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
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 4 TO 6 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 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.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
E 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 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
A COLD FRONT FROM 31N67W TO SOUTH FLORIDA WILL SHIFT
ACROSS THE FORECAST WATERS, MOVING E OF THE AREA EARLY THIS
WEEK. FRESH TO STRONG WINDS ON EITHER SIDE OF THE FRONT N OF 28N
WILL DIMINISH THIS EVENING. ROUGH SEAS ACROSS THE NORTHERN WATERS
WILL SUBSIDE BY MIDWEEK. HIGH PRESSURE WILL BUILD IN THE WAKE OF
THE FRONT, WITH MODERATE OR WEAKER WINDS AND MODERATE SEAS
PREVAILING.
ATLC WATERS FROM 27N TO 31N W OF 77W
TONIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT.
THU NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING SE 10 KT
AFTER MIDNIGHT. SEAS 2 FT OR LESS.
FRI
SE WINDS 10 KT. SEAS 2 FT OR LESS.
FRI NIGHT
SE WINDS 10 KT. SEAS 3 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
W WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING NE 10 KT
AFTER MIDNIGHT. SEAS 3 TO 4 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
BAHAMAS N OF 22N
TONIGHT
N WINDS 10 TO 15 KT, SHIFTING TO NE AFTER MIDNIGHT.
SEAS 3 FT.
MON
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT.
MON NIGHT
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 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
TONIGHT
W OF 70W, N WINDS 10 TO 15 KT. ELSEWHERE, NW WINDS
LESS THAN 10 KT, SHIFTING TO N AFTER MIDNIGHT. SEAS 4 TO 6 FT.
MON
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
NE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN
THE AFTERNOON. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU
NE WINDS LESS THAN 10 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
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
ATLC WATERS S OF 22N W OF 65W
TONIGHT
NE WINDS 10 TO 15 KT, SHIFTING TO N AFTER MIDNIGHT.
SEAS 3 TO 4 FT.
MON
NE WINDS LESS THAN 10 KT. SEAS 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 20 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.
MON
S WINDS LESS THAN 10 KT. SEAS 4 FT.
MON NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
E WINDS LESS THAN 10 KT, SHIFTING TO NW IN THE AFTERNOON.
SEAS 4 TO 6 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT, SHIFTING TO E AFTER MIDNIGHT.
SEAS 5 TO 7 FT.
WED
E WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
WED NIGHT
E WINDS 10 KT. SEAS 5 TO 6 FT.
THU
E WINDS 10 KT. SEAS 5 FT.
THU NIGHT
E WINDS 10 KT. SEAS 4 TO 5 FT.
FRI
E WINDS 10 KT. SEAS 4 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
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