145
FZNT31 KNHC 120258
OFFN20
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1058 PM EDT SUN APR 11 2021
MARINE WEATHER HF VOICE BROADCAST FOR THE TROPICAL N ATLANTIC
FROM 07N TO 22N BETWEEN 55W AND 64W, THE SW N ATLANTIC S OF
31N W OF 65W INCLUDING 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 BETWEEN 55W AND 64W
SYNOPSIS
AN ASHFALL ADVISORY IS IN EFFECT FOR LA SOUFRIERE
VOLCANO ON THE ISLAND OF ST. VINCENT NEAR 13.3N 61.2W. MARINERS
TRANSITING THE WATERS UNDER THE EMITTED ASH SHOULD EXERCISE
CAUTION. FRESH SOUTHEAST WINDS WILL CONTINUE OVER THE
NORTHWESTERN CARIBBEAN THROUGH THE PERIOD, WHILE FRESH TO STRONG
EAST TO SOUTHEAST WINDS CONTINUE IN THE GULF OF HONDURAS. WINDS
WILL PULSE TO STRONG SPEEDS OVER A SMALL AREA NEAR THE COAST OF
COLOMBIA DURING THE AFTERNOONS AND AT NIGHT THROUGH THU.
ELSEWHERE, GENERALLY MODERATE TO FRESH EAST WINDS WILL CHANGE
LITTLE THROUGH FRI NIGHT.
NW CARIBBEAN W OF 85W
OVERNIGHT
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU NIGHT
SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.
FRI NIGHT
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
CARIBBEAN N OF 15N BETWEEN 72W AND 85W
OVERNIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
S OF 18N, E WINDS 10 TO 15 KT. ELSEWHERE, SE WINDS
10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 15 KT S OF 18N, AND E LESS THAN 10 KT
ELSEWHERE. 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 3 TO 5 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 15 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 3 TO 4 FT.
CARIBBEAN FROM 11N TO 15N W OF 72W
OVERNIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
E WINDS 15 TO 20 KT WITHIN 90 NM OF COAST OF COLOMBIA,
AND E 10 TO 20 KT ELSEWHERE. SEAS 5 TO 7 FT.
MON NIGHT
NE WINDS 15 TO 20 KT WITHIN 90 NM OF COAST OF
COLOMBIA, AND E 10 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT.
TUE
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.
TUE NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 4 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 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.
SW CARIBBEAN S OF 11N
OVERNIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON
NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
TUE NIGHT
NE 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 3 TO 5 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
FRI
W WINDS LESS THAN 10 KT IN THE MORNING, BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
CARIBBEAN BETWEEN 64W AND 72W
OVERNIGHT
E WINDS 15 TO 20 KT GULF OF VENEZUELA, AND E 10 TO
15 KT ELSEWHERE. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 20 KT GULF OF VENEZUELA, AND E 10 TO 15 KT
ELSEWHERE. SEAS 3 TO 5 FT GULF OF VENEZUELA, AND 4 TO 6 FT
ELSEWHERE.
MON NIGHT
NE WINDS 10 TO 20 KT GULF OF VENEZUELA, AND E 10 TO
15 KT ELSEWHERE. 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 3 TO 5 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 TO 20 KT. SEAS 3 TO 5 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
..ASHFALL ADVISORY
A SOUFRIERE ST VINCENT VOLCANO AT POSITION 13.3N 61.2W IS
CURRENTLY UNDERGOING FREQUENT ERUPTIONS. ASH MAY BE REACHING THE
SURFACE OF THE OCEAN AND LOW LEVEL VISIBILITY MAY BE REDUCED.
MARINERS TRAVELING IN THE VICINITY OF THE VOLCANO ARE URGED TO
EXERCISE CAUTION. IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING
VOLCANIC DEBRIS...YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO
THE NATIONAL HURRICANE CENTER BY CALLING 305-229-4424.
OVERNIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. VOLCANIC
ASH REDUCING VISIBILITY TO 4 NM S OF 16N.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. VOLCANIC ASH
REDUCING VISIBILITY TO 4 NM S OF 16N.
MON NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.VOLCANIC
ASH REDUCING VISIBILITY TO 4 NM S OF 16N.
TUE
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. VOLCANIC ASH
REDUCING VISIBILITY TO 4 NM S OF 16N.
TUE NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
OFFSHORE WINDWARD ISLANDS AND ADJACENT ATLC WATERS FROM 07N TO
15N W OF 55W
..ASHFALL ADVISORY
LA SOUFRIERE ST VINCENT VOLCANO AT POSITION 13.3N 61.2W IS
CURRENTLY UNDERGOING FREQUENT ERUPTIONS. ASH MAY BE REACHING THE
SURFACE OF THE OCEAN AND LOW LEVEL VISIBILITY MAY BE REDUCED.
MARINERS TRAVELING IN THE VICINITY OF THE VOLCANO ARE URGED TO
EXERCISE CAUTION. IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING
VOLCANIC DEBRIS...YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO
THE NATIONAL HURRICANE CENTER BY CALLING 305-229-4424.
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. VOLCANIC ASH
REDUCING VISIBILITY TO 4 NM, EXCEPT TO LESS THAN 4 NM W OF 58W.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. VOLCANIC ASH REDUCING
VISIBILITY TO 4 NM, EXCEPT TO LESS THAN 4 NM W OF 58W.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. VOLCANIC ASH REDUCING
VISIBILITY TO 4 NM, EXCEPT TO LESS THAN 4 NM W OF 58W.
TUE
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. VOLCANIC ASH REDUCING
VISIBILITY TO 4 NM, EXCEPT TO LESS THAN 4 NM W OF 58W.
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
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 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SYNOPSIS FOR THE THE SW N ATLANTIC INCLUDING THE BAHAMAS
SYNOPSIS
FRESH TO STRONG SOUTHWEST WINDS EAST OF FLORIDA WILL
SHIFT EASTWARD THROUGH MON AHEAD OF A COLD FRONT THAT WILL MOVE
OFF THE SOUTHEASTERN U.S. COAST TONIGHT. THE FRONT WILL REACH
FROM NEAR 31N75W TO EAST-CENTRAL FLORIDA EARLY MON, FROM NEAR
31N70W TO THE CENTRAL BAHAMAS AND TO EAST-CENTRAL CUBA MON
EVENING AND THE SOUTHEAST WATERS BY LATE TUE. THE FRONT WILL
MOVE EAST OF THE FORECAST WATERS ON WED AS WEAK HIGH PRESSURE
BUILDS IN BEHIND IT. ANOTHER COLD FRONT IS EXPECTED TO CROSS THE
NORTHWEST AND NORTH- CENTRAL WATERS ON TUE. FRESH TO STRONG
SOUTHWEST WINDS ARE EXPECTED TO PRECEDE THIS FRONT. SCATTERED
SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE OFFSHORE THE
SOUTH FLORIDA COAST TONIGHT.
ATLC WATERS FROM 27N TO 31N W OF 77W
OVERNIGHT
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
MON
NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
NW TO N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
NE WINDS 10 KT. SEAS 3 TO 5 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU
W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
THU NIGHT
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
N WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT. SEAS 5 TO 6 FT.
ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W
OVERNIGHT
SW WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.
MON
W WINDS 10 TO 20 KT W OF 70W, AND SW 15 TO 25 KT
ELSEWHERE. SEAS 6 TO 8 FT.
MON NIGHT
W WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE
NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
TUE NIGHT
NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED
N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
WED NIGHT
W TO NW WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
THU
SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU NIGHT
W WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
FRI
W WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
FRI NIGHT
NW WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
BAHAMAS N OF 22N
OVERNIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 4 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 4 FT.
WED NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU
S WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT.
THU NIGHT
S WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT.
FRI
SW WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT.
FRI NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING E LESS
THAN 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.
ATLC WATERS FROM 22N TO 27N BETWEEN 65W AND THE BAHAMAS
OVERNIGHT
SE TO S WINDS LESS THAN 10 KT. SEAS 5 TO 7 FT.
MON
S WINDS 10 TO 20 KT. SEAS 5 TO 6 FT.
MON NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
NE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
THU NIGHT
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
FRI
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
ATLC WATERS S OF 22N W OF 65W
OVERNIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE
W WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TUE NIGHT
N WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED
NE 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 LESS THAN 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
ATLC WATERS FROM 19N TO 22N BETWEEN 55W AND 65W
OVERNIGHT
NE WINDS LESS THAN 10 KT. SEAS 7 TO 8 FT.
MON
VARIABLE WINDS LESS THAN 10 KT. SEAS 6 TO 8 FT.
MON NIGHT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S 10 KT
AFTER MIDNIGHT. SEAS 5 TO 7 FT.
TUE
S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT.
TUE NIGHT
SW WINDS LESS THAN 10 KT. SEAS 4 TO 5 FT.
WED
W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
WED NIGHT
NW WINDS LESS THAN 10 KT IN THE EVENING, BECOMING
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU
VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
THU NIGHT
SE WINDS 10 KT. SEAS 4 TO 5 FT.
FRI
SE WINDS 10 KT. SEAS 4 TO 5 FT.
FRI NIGHT
SE WINDS 10 KT. SEAS 4 TO 5 FT.
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