481  
FZNT23 KNHC 120249  
OFFNT3  
 
OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL N ATLANTIC AND  
CARIBBEAN SEA  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1049 PM EDT SUN APR 11 2021  
 
OFFSHORE WATERS FORECAST 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.  
 
AMZ001-121500-  
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLANTIC FROM 07N TO  
19N BETWEEN 55W AND 64W  
1049 PM EDT SUN APR 11 2021  
   
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.  
 

 
 
AMZ011-121500-  
CARIBBEAN N OF 18N W OF 85W INCLUDING YUCATAN BASIN-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
MON
 
SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
TUE
 
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E TO SE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
WED
 
E TO SE WINDS 15 KT. SEAS 2 TO 4 FT.    
WED NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU
 
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.   
FRI
 
SE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
FRI NIGHT
 
SE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.  
 

 
 
AMZ013-121500-  
CARIBBEAN N OF 18N BETWEEN 76W AND 85W INCLUDING CAYMAN BASIN-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
TUE
 
BETWEEN CUBA AND JAMAICA, NE WINDS 10 KT EARLY IN THE  
MORNING, BECOMING VARIABLE LESS THAN 5 KT. ELSEWHERE, E WINDS  
10 TO 15 KT. SEAS 2 TO 4 FT.    
TUE NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
WED
 
E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
WED NIGHT
 
E WINDS 10 KT. SEAS 3 FT OR LESS.    
THU
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI
 
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
 

 
 
AMZ015-121500-  
CARIBBEAN APPROACHES TO THE WINDWARD PASSAGE-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
MON NIGHT
 
S TO SW WINDS 10 KT EARLY IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 2 TO 4 FT IN E SWELL.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 TO 15 KT  
EARLY IN THE AFTERNOON. SEAS 3 FT OR LESS.    
TUE NIGHT
 
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
WED
 
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
WED NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
THU
 
NE TO E WINDS 10 KT, SHIFTING TO SE TO S EARLY IN THE  
AFTERNOON. SEAS 2 TO 4 FT, SUBSIDING TO 3 FT OR LESS EARLY IN THE  
AFTERNOON.    
THU NIGHT
 
E WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
 

 
 
AMZ017-121500-  
GULF OF HONDURAS-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT S OF 17N W OF 87W, AND E TO SE  
20 TO 25 KT ELSEWHERE. SEAS 4 TO 6 FT.    
MON
 
S OF 17N W OF 87W, VARIABLE WINDS LESS THAN 5 KT, BECOMING  
NE 10 KT EARLY IN THE AFTERNOON. ELSEWHERE, E TO SE WINDS 15 TO  
20 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT S OF 17N W OF 87W, AND E TO SE  
20 TO 25 KT ELSEWHERE. SEAS 4 TO 6 FT.    
TUE
 
E WINDS 15 TO 20 KT S OF 17N W OF 87W, AND E TO SE 20 TO  
25 KT ELSEWHERE. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.    
WED
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
FRI
 
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.   
FRI NIGHT
 
E TO SE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.  
 

 
 
AMZ019-121500-  
CARIBBEAN FROM 15N TO 18N BETWEEN 80W AND 85W-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.    
MON
 
SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
E TO SE WINDS 15 TO 20 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 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
E TO SE 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 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.  
 

 
 
AMZ021-121500-  
CARIBBEAN FROM 15N TO 18N BETWEEN 72W AND 80W-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
E TO SE WINDS 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
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
NE TO 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 15 TO 20 KT. SEAS 4 TO 6 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 15 KT. SEAS 3 TO 5 FT.  
 

 
 
AMZ023-121500-  
CARIBBEAN N OF 15N BETWEEN 64W AND 72W-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
E WINDS 10 TO 15 KT. 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
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 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 TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.   
FRI NIGHT
 
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.  
 

 
 
AMZ025-121500-  
OFFSHORE WATERS LEEWARD ISLANDS-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.   
MON
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
MON NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
TUE
 
SE WINDS 10 KT. SEAS 4 TO 6 FT IN N TO NE SWELL. ISOLATED  
SHOWERS.    
TUE NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT.    
WED
 
E WINDS 10 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
NE TO E WINDS 10 KT. SEAS 3 TO 4 FT.    
THU
 
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
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.  
 

 
 
AMZ027-121500-  
TROPICAL N ATLANTIC FROM 15N TO 19N BETWEEN 55W AND 60W-  
1049 PM EDT SUN APR 11 2021  
   
..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
 
NE TO E WINDS 10 KT. SEAS 5 TO 7 FT IN N SWELL.  
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 4 TO 6 FT. VOLCANIC ASH REDUCING  
VISIBILITY TO 4 NM S OF 16N.   
TUE NIGHT
 
SE WINDS 10 KT. SEAS 3 TO 5 FT.    
WED
 
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT.    
THU
 
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 4 TO 6 FT.  
 

 
 
AMZ029-121500-  
W CENTRAL CARIBBEAN FROM 11N TO 15N W OF 80W-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
TUE
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
TUE NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.   
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 

 
 
AMZ031-121500-  
CARIBBEAN FROM 11N TO 15N BETWEEN 72W AND 80W INCLUDING COLOMBIA  
BASIN-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.    
MON
 
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.   
MON NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
TUE
 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
WED
 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.  
 

 
 
AMZ033-121500-  
CARIBBEAN S OF 15N BETWEEN 64W AND 72W INCLUDING VENEZUELA BASIN-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
MON
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
TUE
 
NE TO E WINDS 15 TO 20 KT GULF OF VENEZUELA, AND E 15 TO  
20 KT ELSEWHERE. SEAS 4 TO 6 FT.    
TUE NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
WED
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
FRI
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.  
 

 
 
AMZ035-121500-  
OFFSHORE WATERS WINDWARD ISLANDS INCLUDING TRINIDAD AND TOBAGO-  
1049 PM EDT SUN APR 11 2021  
   
..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 4 TO 6 FT. ISOLATED  
SHOWERS. VOLCANIC ASH NE PART REDUCING VISIBILITY TO 4 NM.   
MON
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. ISOLATED SHOWERS.  
VOLCANIC ASH NE PART REDUCING VISIBILITY TO 4 NM.   
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. ISOLATED  
SHOWERS. VOLCANIC ASH NE PART REDUCING VISIBILITY TO 4 NM..   
TUE
 
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. ISOLATED  
SHOWERS. VOLCANIC ASH NE PART REDUCING VISIBILITY TO 4 NM.   
TUE NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
E TO SE 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 TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
FRI
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.  
 

 
 
AMZ037-121500-  
TROPICAL N ATLANTIC FROM 07N TO 15N BETWEEN 55W AND 60W-  
1049 PM EDT SUN APR 11 2021  
   
..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. ISOLATED  
SHOWERS AND THUNDERSTORMS. 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 IN N SWELL. ISOLATED  
SHOWERS AND THUNDERSTORMS. 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 IN N SWELL.  
ISOLATED SHOWERS AND THUNDERSTORMS. VOLCANIC ASH REDUCING VISIBILITY  
TO 4 NM, EXCEPT TO LESS THAN 4 NM W OF 57W.   
TUE
 
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN N SWELL.  
ISOLATED SHOWERS AND THUNDERSTORMS. VOLCANIC ASH REDUCING VISIBILITY  
TO 4 NM, EXCEPT TO LESS THAN 4 NM W OF 57W.   
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 3 TO 5 FT.    
THU NIGHT
 
E WINDS 15 KT. SEAS 3 TO 5 FT.    
FRI
 
E WINDS 15 KT. SEAS 4 TO 6 FT.    
FRI NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.  
 

 
 
AMZ039-121500-  
SW CARIBBEAN S OF 11N INCLUDING APPROACHES TO PANAMA CANAL-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
VARIABLE WINDS LESS THAN 5 KT S OF 10N, AND NE TO E  
10 TO 15 KT ELSEWHERE. SEAS 3 TO 5 FT.    
MON
 
S OF 10N, VARIABLE WINDS LESS THAN 5 KT, BECOMING N 10 KT  
EARLY IN THE AFTERNOON. ELSEWHERE, NE TO E WINDS 10 TO 15 KT.  
SEAS 3 TO 5 FT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED  
SHOWERS.    
TUE
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS.    
TUE NIGHT
 
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.    
WED
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU
 
N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
N TO NE WINDS 10 KT. SEAS 3 TO 4 FT.    
FRI
 
SW TO W WINDS 10 KT EARLY IN THE MORNING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 TO 4 FT IN NE SWELL.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 4 FT IN NE  
SWELL.  
 

 
 
AMZ101-121500-  
SYNOPSIS FOR THE SW N ATLANTIC INCLUDING THE BAHAMAS  
1049 PM EDT SUN APR 11 2021  
   
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.  
 

 
 
AMZ111-121500-  
ATLANTIC FROM 27N TO 31N W OF 77W-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. ISOLATED  
SHOWERS.    
MON
 
NW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. ISOLATED  
SHOWERS.    
MON NIGHT
 
NW TO N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE
 
NW TO N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
TUE NIGHT
 
N TO NE WINDS 10 KT, SHIFTING TO E LATE.  
SEAS 2 TO 4 FT.    
WED
 
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
WED NIGHT
 
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
THU
 
W WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
NW WINDS 10 KT. SEAS 3 TO 5 FT.    
FRI
 
N WINDS 10 KT. SEAS 4 TO 6 FT IN W SWELL.    
FRI NIGHT
 
N TO NE WINDS 10 KT EARLY IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 4 TO 6 FT IN NE SWELL.  
 

 
 
AMZ113-121500-  
ATLANTIC FROM 27N TO 31N BETWEEN 70W AND 77W-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. SCATTERED  
SHOWERS AND THUNDERSTORMS.    
MON
 
W WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. SCATTERED SHOWERS AND  
THUNDERSTORMS.   
MON NIGHT
 
NW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. ISOLATED  
SHOWERS.    
TUE
 
NW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
TUE NIGHT
 
N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
WED
 
N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU
 
SW TO W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
FRI
 
W TO NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.   
FRI NIGHT
 
NW WINDS 10 KT. SEAS 5 TO 7 FT.  
 

 
 
AMZ115-121500-  
ATLANTIC FROM 27N TO 31N BETWEEN 65W AND 70W-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
S TO SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.    
MON
 
SW WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. SCATTERED SHOWERS  
AND ISOLATED THUNDERSTORMS.    
MON NIGHT
 
W WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN W SWELL.  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
TUE
 
W TO NW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. ISOLATED  
SHOWERS.    
TUE NIGHT
 
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT.    
WED
 
NW TO N WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.    
WED NIGHT
 
NW WINDS 10 KT EARLY IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 5 TO 7 FT IN NW TO N SWELL.    
THU
 
SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.    
THU NIGHT
 
SW WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.   
FRI
 
SW TO W WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.   
FRI NIGHT
 
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
 

 
 
AMZ117-121500-  
BAHAMAS INCLUDING CAY SAL BANK-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WINDS AND  
SEAS HIGHER IN AN NEAR SCATTERED SHOWERS AND THUNDERSTORMS.   
MON
 
S TO SW WINDS 10 TO 15 KT, SHIFTING TO W EARLY IN THE  
AFTERNOON. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS.   
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
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU
 
SE TO S WINDS 10 KT. SEAS 3 TO 4 FT.   
THU NIGHT
 
S WINDS 10 KT. SEAS 2 TO 4 FT.   
FRI
 
SW TO W WINDS 10 KT. SEAS 2 TO 4 FT.   
FRI NIGHT
 
NE TO E WINDS 10 KT, SHIFTING TO SE LATE. SEAS 2 TO  
4 FT.  
 

 
 
AMZ119-121500-  
ATLANTIC FROM 22N TO 27N E OF BAHAMAS TO 70W-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
N OF 25N, S WINDS 10 TO 15 KT, INCREASING TO 20 TO  
25 KT LATE. ELSEWHERE, SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT,  
BUILDING TO 5 TO 7 FT LATE.   
MON
 
SW WINDS 15 TO 20 KT N OF 25N, AND S TO SW 10 TO 15 KT  
ELSEWHERE. SEAS 4 TO 6 FT IN NE SWELL. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS.   
MON NIGHT
 
W TO NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. ISOLATED  
SHOWERS.   
TUE
 
NW TO N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
N TO NE WINDS 10 KT. SEAS 3 TO 5 FT IN N SWELL.    
WED NIGHT
 
NE TO E WINDS 10 KT EARLY IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 TO 5 FT IN N SWELL.    
THU
 
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN N  
TO NE SWELL.  
 

 
 
AMZ121-121500-  
ATLANTIC FROM 22N TO 27N BETWEEN 65W AND 70W-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.   
MON
 
S TO SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
TUE
 
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. ISOLATED SHOWERS.   
TUE NIGHT
 
NW TO N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED
 
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED NIGHT
 
N TO NE WINDS 10 KT EARLY IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 TO 5 FT IN NW TO N SWELL.    
THU
 
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
S TO SW WINDS 10 KT. SEAS 3 TO 5 FT IN N SWELL.    
FRI
 
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
SW WINDS 10 KT. SEAS 4 TO 6 FT IN N TO NE SWELL.  
 

 
 
AMZ123-121500-  
ATLANTIC S OF 22N W OF 70W INCLUDING APPROACHES TO THE WINDWARD  
PASSAGE-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
MON
 
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
NE TO E WINDS 10 KT EARLY IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 TO 5 FT IN NE SWELL.    
TUE
 
NW TO N WINDS 10 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED
 
NE TO 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 TO SE WINDS 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT.    
FRI
 
S WINDS 10 KT, SHIFTING TO NE EARLY IN THE AFTERNOON. SEAS  
3 TO 4 FT.    
FRI NIGHT
 
E WINDS 10 KT. SEAS 3 TO 4 FT.  
 

 
 
AMZ125-121500-  
ATLANTIC S OF 22N BETWEEN 65W AND 70W INCLUDING PUERTO RICO  
TRENCH-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.   
MON
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN N TO NE SWELL.    
MON NIGHT
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN N TO NE  
SWELL.    
TUE
 
SW WINDS 10 KT. SEAS 3 TO 5 FT IN N TO NE SWELL.    
TUE NIGHT
 
NW TO N WINDS 10 KT. SEAS 3 TO 4 FT.    
WED
 
N TO NE WINDS 10 KT. SEAS 3 TO 4 FT.    
WED NIGHT
 
NE TO E WINDS 10 KT. SEAS 3 TO 4 FT.    
THU
 
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT
 
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
FRI
 
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT IN N SWELL.    
FRI NIGHT
 
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT IN N SWELL.  
 

 
 
AMZ127-121500-  
ATLANTIC FROM 19N TO 22N BETWEEN 55W AND 65W-  
1049 PM EDT SUN APR 11 2021  
   
OVERNIGHT
 
VARIABLE WINDS LESS THAN 5 KT E OF 60W, AND E 10 KT  
ELSEWHERE. SEAS 6 TO 8 FT IN N SWELL.    
MON
 
VARIABLE WINDS LESS THAN 5 KT E OF 60W, AND SE 10 KT  
ELSEWHERE. SEAS 6 TO 8 FT IN N SWELL.    
MON NIGHT
 
SE TO S WINDS 10 KT. SEAS 4 TO 6 FT IN N TO NE  
SWELL.    
TUE
 
S WINDS 10 KT. SEAS 3 TO 5 FT.    
TUE NIGHT
 
S TO SW WINDS 10 KT. SEAS 2 TO 4 FT.    
WED
 
W WINDS 10 KT. SEAS 2 TO 4 FT.    
WED NIGHT
 
NW TO N WINDS 10 KT EARLY IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 2 TO 4 FT IN N SWELL.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN NW TO N  
SWELL.    
THU NIGHT
 
SE WINDS 10 KT. SEAS 3 TO 5 FT IN NW TO N SWELL.    
FRI
 
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT IN NW TO N SWELL.    
FRI NIGHT
 
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT IN NW TO N  
SWELL.  
 

 
 
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