000
FZNT23 KNHC 251449
OFFNT3

OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL N ATLANTIC AND 
CARIBBEAN SEA
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1130 AM EDT SUN APR 25 2010

OFFSHORE WATERS FORECAST FOR THE TROPICAL N ATLC FROM 07N TO 22N 
BETWEEN 55W AND 65W...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.

AMZ089-252130-
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N 
BETWEEN 55W AND 65W
1130 AM EDT SUN APR 25 2010

.SYNOPSIS...MODERATE TO STRONG TRADE WINDS WILL PERSIST OVER THE 
CENTRAL AND E CARIBBEAN AND THE GULF OF HONDURAS THROUGH WED. 
THESE STRONGER TRADES WILL EXPAND TO ACROSS THE ENTIRE CARIBBEAN 
LATE WED THROUGH LATE THU AS STRONG HIGH PRES BUILDS DOWN TO THE 
SW FROM THE ATLC. MEANWHILE A DECAYING STATIONARY FRONT IN THE 
NORTHERN PART OF THE TROPICAL N ATLC WILL WEAKEN INTO A SHEAR 
AXIS THIS AFTERNOON DISSIPATING TONIGHT AS HIGH PRES BUILDS DOWN 
FROM THE N. NORTHERLY SWELL UP TO 12 FT WILL PROPAGATE S OF 22N 
THIS AFTERNOON AND TONIGHT. A FRONTAL TROUGH WILL MOVE INTO THE 
NW PORTION LATE THU. OTHERWISE WINDS AND SEAS WILL INCREASE IN 
THE SOUTHERN PART OF THE TROPICAL N ATLC MON THROUGH THE PERIOD 
AS THE PRES GRADIENT TIGHTENS.

$$
AMZ082-252130-
NW CARIBBEAN N OF 15N W OF 75W
1130 AM EDT SUN APR 25 2010

.THIS AFTERNOON AND TONIGHT...E TO SE WINDS 15 TO 20 KT BECOMING 
SE TO S TONIGHT. SEAS 4 TO 7 FT IN SE SWELL EXCEPT 2 TO 3 FT 
JUST S OF CUBA.
.MON AND MON NIGHT...W OF 80W SE TO S WINDS 15 TO 20 KT 
DIMINISHING TO 10 TO 15 KT MON NIGHT. SEAS 4 TO 6 FT. E OF 80W E 
TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT IN SE SWELL S OF 18N AND 
2 TO 4 FT N OF 18N.
.TUE...W OF 80 W SE TO S WINDS 10 TO 15 KT BECOMING E TO SE LATE 
TUE...EXCEPT 15 TO 20 KT S OF 18N W OF 84W. SEAS 3 TO 5 FT. E OF 
80W E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN SE SWELL S OF 
17N AND 2 TO 3 FT N OF 17N.
.WED...W OF 80W E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 7 FT IN SE 
SWELL EXCEPT 3 TO 4 FT N OF 20N. E OF 80W E TO SE WINDS 10 TO 15 
KT INCREASING TO 15 TO 20 KT LATE. SEAS 4 TO 6 FT IN SE SWELL S 
OF 17N AND 2 TO 4 FT N OF 17N.
.THU...E TO SE WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT S OF 
17N LATE. SEAS 4 TO 7 FT IN SE SWELL BUILDING TO 6 TO 8 FT 
LATE...EXCEPT 3 TO 4 FT JUST S OF CUBA.

$$
AMZ084-252130-
SW CARIBBEAN S OF 15N W OF 75W  
1130 AM EDT SUN APR 25 2010

.THIS AFTERNOON...N OF 11N E OF 80W NE TO E WINDS 15 TO 20 KT
EXCEPT 20 TO 25 KT NEAR COAST OF COLOMBIA. SEAS 5 TO 8 FT EXCEPT 
7 TO 9 FT NEAR COAST OF COLOMBIA. N OF 11N W OF 80W NE TO E 
WINDS 10 TO 15 KT. SEAS 4 TO 6 FT BUILDING TO 5 TO 7 FT IN E 
SWELL LATE. S OF 11N VARIABLE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT 
PRIMARILY IN NE SWELL.
.SUN NIGHT THROUGH MON NIGHT...N OF 11N E OF 80W NE TO E WINDS 
10 TO 15 KT BECOMING E TO SE MON AND MON NIGHT...EXCEPT 15 TO 20 
KT NEAR COAST OF COLOMBIA TONIGHT. SEAS 5 TO 8 FT SUBSIDING TO 4 
TO 6 FT MON NIGHT. N OF 11N W OF 80W NE TO E WINDS 10 TO 15 KT 
EXCEPT VARIABLE 5 TO 10 KT W OF TROUGH. SEAS 5 TO 7 FT IN E 
SWELL SUBSIDING TO 4 TO 6 FT MON AND MON NIGHT. S OF 11N 
VARIABLE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT PRIMARILY IN NE SWELL 
SUBSIDING TO 2 TO 3 FT MON NIGHT.
.TUE...N OF 11N E TO SE WINDS 10 TO 15 KT EXCEPT NE TO E 5 TO 10 
KT W OF TROUGH. SEAS 3 TO 5 FT IN E SWELL. S OF 11N VARIABLE 
WINDS 5 TO 10 KT BECOMING SE TO S 10 TO 15 KT LATE. SEAS 1 TO 3 
FT.
.WED...N OF 11N E TO SE WINDS 10 TO 15 KT EXCEPT NE TO E...W OF 
TROUGH...BECOMING E 15 TO 20 KT THROUGHOUT LATE. SEAS 3 TO 5 FT 
IN E SWELL BUILDING TO 4 TO 7 FT LATE. S OF 11N SE TO S WINDS 
WINDS 10 TO 15 KT. SEAS 1 TO 3 FT.
.THU...N OF 11N E TO SE WINDS 15 TO 20 KT INCREASING TO 20 TO 25 
KT N OF 13N LATE. S OF 11N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 
4 FT.

$$
AMZ086-252130-
E CARIBBEAN E OF 75W TO THE LEEWARD AND WINDWARD ISLANDS
1130 AM EDT SUN APR 25 2010

.THIS AFTERNOON AND TONIGHT...W OF 68W NE TO E WINDS 15 TO 20 KT
EXCEPT 20 TO 25 KT NEAR COAST OF COLOMBIA. SEAS 5 TO 8 FT S OF 
15N AND 4 TO 6 FT N OF 15N. E OF 68W NE TO E WINDS 10 TO 15 KT 
EXCEPT 15 TO 20 KT S OF 13N. SEAS 3 TO 5 FT EXCEPT 4 TO 6 FT S 
OF 13N.
.MON THROUGH TUE...S OF 15N E TO SE WINDS 15 TO 20 KT EXCEPT NE 
NEAR COAST OF COLOMBIA. SEAS 4 TO 7 FT BUILDING TO 5 TO 8 FT 
LATE TUE. N OF 15N E TO SE WINDS 15 KT. SEAS 4 TO 6 FT EXCEPT 7 
TO 8 FT IN NE SWELL NEAR NE ATLC PASSAGES THROUGH EARLY TUE.
.WED...S OF 15N E TO SE WINDS 15 TO 20 KT EXCEPT NE NEAR COAST 
OF COLOMBIA...INCREASING TO 20 TO 25 KT NEAR COAST OF COLOMBIA 
LATE. SEAS 5 TO 8 FT. N OF 15N E WINDS 15 KT. SEAS 4 TO 6 FT. 
.THU...S OF 15N W OF 70W NE TO E WINDS 20 TO 25 KT. SEAS 5 TO 8 
FT BUILDING TO 7 TO 10 FT LATE. S OF 15N E OF 70W NE TO E WINDS 
15 TO 20 KT. SEAS 4 TO 6 FT BUILDING TO 5 TO 7 FT LATE. N OF 15N 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT BUILDING TO 5 TO 7 FT 
LATE.

$$
AMZ087-252130-
TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 65W 
1130 AM EDT SUN APR 25 2010

.THIS AFTERNOON AND TONIGHT...N OF 17N NE TO E WINDS 10 TO 15 KT
BECOMING E TO SE TONIGHT. SEAS 4 TO 6 FT BUILDING TO 9 TO 12 FT 
IN N SWELL TONIGHT. S OF 17N NE TO E WINDS 10 TO 15 KT... 
INCREASING 15 TO 20 KT TONIGHT. SEAS 4 TO 6 FT IN MIXED N AND E 
SWELL.
.MON AND MON NIGHT...N OF 17N E TO SE WINDS 10 TO 15 KT. SEAS 7 
TO 10 FT IN N SWELL. S OF 17N NE TO E WINDS 15 TO 20 KT. SEAS 5 
TO 7 FT IN MIXED N AND E SWELL BUILDING TO 8 TO 11 FT MON NIGHT.
.TUE...N OF 17N E TO SE WINDS 10 TO 15 KT. SEAS 7 TO 9 FT IN N 
SWELL SUBSIDING TO 5 TO 7 FT LATE. S OF 17N NE TO E WINDS 15 TO 
20 KT. SEAS 8 TO 12 FT IN MIXED N AND E SWELL.
.WED...N OF 17N E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 7 FT IN N 
SWELL. S OF 17N NE TO E WINDS 15 TO 20 KT. SEAS 8 TO 11 FT IN 
MIXED N AND E SWELL SUBSIDING TO 7 TO 9 FT LATE.
.THU...N OF 17N E TO SE WINDS 10 TO 15 KT SHIFTING TO NE TO E 
BEHIND FRONTAL TROUGH LATE. SEAS 4 TO 6 FT IN SE SWELL. S OF 17N 
NE TO E WINDS 15 TO 20 KT. SEAS 7 TO 9 FT IN E SWELL.

$$
AMZ088-252130-
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS 
1130 AM EDT SUN APR 25 2010

.SYNOPSIS...1019 MB HIGH PRES CENTERED NEAR 28N66W WILL MOVE E 
OF THE AREA THIS AFTERNOON ALLOWING FOR SOUTHERLY WINDS E OF 
FLORIDA TO INCREASE. A SERIES OF COLD FRONTS WILL MOVE OFF THE 
FLORIDA COAST MON EVENING THROUGH TUE NIGHT WITH MODERATE TO 
STRONG WINDS BOTH AHEAD OF AND BEHIND EACH FRONT. HIGH PRES WILL 
BUILD IN FROM THE W LATE WED THROUGH LATE THU.

$$
AMZ080-252130-
SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS
1130 AM EDT SUN APR 25 2010

.THIS AFTERNOON...N OF 27N E OF 70W SE TO S WINDS 10 TO 15 KT
BECOMING S TO SW 15 TO 20 KT LATE. SEAS 7 TO 10 FT IN NE SWELL. 
N OF 27N W OF 70W S TO SW WINDS 15 TO 20 KT EXCEPT 20 TO 25 KT N 
OF 29N. SEAS 5 TO 8 FT...HIGHEST N OF 29N. S OF 27N E OF BAHAMAS 
E TO SE WINDS 10 TO 15 KT EXCEPT 15 TO 20 KT S OF 22N. SEAS 4 TO 
7 FT IN NE SWELL...HIGHEST NE PART. S OF 27N W OF BAHAMAS SE TO 
S WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. 
.TONIGHT...N OF 27N E OF 70W S TO SW WINDS 15 TO 20 KT. SEAS 7 
TO 9 FT IN NE SWELL. N OF 27N W OF 70W S TO SW WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT N OF 29N AND 5 TO 8 FT S OF 29N. S OF 27N E
OF BAHAMAS SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 9 FT IN NE 
SWELL...HIGHEST E PART. S OF 27N W OF BAHAMAS SE TO S WINDS 10 TO
15 KT. SEAS 3 TO 4 FT.
.MON AND MON NIGHT...N OF 27N E OF 75W S TO SW WINDS 20 TO 25 KT 
EXCEPT 25 TO 30 KT N OF 30N. SEAS 7 TO 11 FT BUILDING TO 12 TO 
14 FT N OF 30N MON NIGHT. N OF 27N W OF 75W S TO SW WINDS 15 TO 
25 KT SHIFTING TO NW BEHIND FRONT MON NIGHT. SEAS 5 TO 8 FT. S 
OF 27N E OF BAHAMAS SE TO S WINDS 15 TO 20 KT BECOMING S TO SW 
MON NIGHT. SEAS 4 TO 7 FT. S OF 27N W OF BAHAMAS S TO SW WINDS 
15 TO 20 KT SHIFTING TO NW BEHIND FRONT LATE MON NIGHT. SEAS 2 
TO 3 FT BUILDING TO 3 TO 5 FT W OF FRONT MON NIGHT.
.TUE...W OF FIRST FRONT E OF BAHAMAS W TO NW WINDS 15 TO 20 
KT...BECOMING SW TO W 20 TO 25 KT JUST AHEAD OF SECOND FRONT AND 
SHIFTING TO NW 20 TO 25 KT BEHIND SECOND FRONT LATE. SEAS 5 TO 8 
FT. W OF FIRST FRONT W OF BAHAMAS W TO NW WINDS 10 TO 15 KT. 
SEAS 2 TO 4 FT SUBSIDING TO 1 TO 3 FT LATE. N OF 26N E OF FIRST 
FRONT S TO SW WINDS 20 TO 30 KT. SEAS 7 TO 11 FT. S OF 26N E OF 
FIRST FRONT S TO SW WINDS 15 TO 20 KT E OF BAHAMAS AND 10 TO 15 
KT W OF BAHAMAS. SEAS 4 TO 7 FT E OF BAHAMAS AND 2 TO 4 FT W OF 
BAHAMAS. SCATTERED SHOWERS AND ISOLATED TSTMS ALONG AND AHEAD OF 
BOTH FRONTS.
.WED...N OF 27N E OF FRONT SW WINDS 15 TO 20 KT EXCEPT 20 TO 25 
KT N OF 30N. SEAS 7 TO 10 FT. N OF 27N W OF FRONT W TO NW WINDS 
15 TO 20 KT DIMINISHING TO 10 TO 15 KT IN THE EVENING...THEN 
BECOMING N TO NE 5 TO 10 KT LATE. SEAS 6 TO 10 FT...SUBSIDING TO 
2 TO 5 FT W OF 75W AND 6 TO 9 FT E OF 75W. S OF 27N W OF FRONT W 
TO NW WINDS 10 TO 15 KT. SEAS 3 TO 6 FT E OF BAHAMAS AND 1 TO 2 
FT W OF BAHAMAS. S OF 27N E OF FRONT S TO SW WINDS 10 TO 15 KT 
EXCEPT 15 TO 20 KT N OF 25N. SEAS 4 TO 6 FT EXCEPT 6 TO 8 FT N 
OF 25N UNTIL LATE. SCATTERED SHOWERS ALONG AND AHEAD OF FRONT.
.THU...N OF 27N VARIABLE WINDS 5 TO 10 KT EXCEPT NW TO N WINDS 
10 TO 15 KT E OF 68W...BECOMING E TO SE THROUGHOUT LATE. SEAS 5 
TO 8 FT E OF 74W IN NE SWELL AND 3 TO 5 FT IN N SWELL W OF 74W.
S OF 27N NW OF FRONT NE TO E WINDS 10 TO 15 KT EXCEPT 15 TO 20 
KT W OF BAHAMAS. SEAS 4 TO 6 FT E OF BAHAMAS AND 1 TO 2 FT W OF 
BAHAMAS. SE OF FRONT S TO SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT IN 
E SWELL. ISOLATED SHOWERS ALONG FRONT.

$$ 
FORECASTER LEWITSKY