000
FZNT23 KNHC 252107
OFFNT3

OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL N ATLANTIC AND 
CARIBBEAN SEA
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
530 PM 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.

AMZ089-260330-
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N 
BETWEEN 55W AND 65W
530 PM 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. A FRONTAL TROUGH WILL MOVE INTO THE NW PORTION 
OF THE TROPICAL N ATLC 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.

$$
AMZ082-260330-
NW CARIBBEAN N OF 15N W OF 75W
530 PM EDT SUN APR 25 2010

.TONIGHT...W OF 80W SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 7 FT IN 
SE SWELL. E OF 80W E TO SE WINDS 15 TO 20 KT. 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 AND TUE NIGHT...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.
.FRI...E TO SE WINDS 20 TO 25 KT. SEAS BUILDING TO 8 TO 10 
FT...EXCEPT 3 TO 5 FT IN JUST S OF CUBA. 

$$
AMZ084-260330-
SW CARIBBEAN S OF 15N W OF 75W  
530 PM EDT SUN APR 25 2010

.TONIGHT 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 AND TUE NIGHT...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. SEAS 5 TO 8 FT. S OF 11N E TO SE WINDS 10 TO 
15 KT. SEAS 2 TO 4 FT.
.FRI...N OF 11N E TO SE WINDS 20 TO 25 KT. SEAS 7 TO 9 FT. S OF 
11N E TO SE WINDS 10 KT. SEAS 2 TO 4 FT. 

$$
AMZ086-260330-
E CARIBBEAN E OF 75W TO THE LEEWARD AND WINDWARD ISLANDS
530 PM EDT SUN APR 25 2010

.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 NIGHT...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.
.FRI...W OF 68W E TO SE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT. E OF 
68W NE TO E WINDS 20 KT. SEAS 5 TO 6 FT.

$$
AMZ087-260330-
TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 65W 
530 PM EDT SUN APR 25 2010

.TONIGHT...N OF 17N NE TO E WINDS 10 TO 15 KT BECOMING E TO SE 
LATE. SEAS 7 TO 10 FT BUILDING TO 9 TO 12 FT IN N SWELL. S OF 
17N NE TO E WINDS 15 TO 20 KT. 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 AND TUE NIGHT...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.
.FRI...N OF 17N NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT. S OF 
17N NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. 

$$
AMZ088-260330-
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS 
530 PM EDT SUN APR 25 2010

.SYNOPSIS...1018 MB HIGH PRES HAS SHIFTED E OF THE AREA AND IS 
NOW CENTERED NEAR 28N64W. THIS HAS ALLOWED FOR SOUTHERLY WINDS E 
OVER THE W PART OF THE AREA 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 ACROSS THE AREA LATE WED THROUGH FRI.

$$
AMZ080-260330-
SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS
530 PM EDT SUN APR 25 2010

.TONIGHT...N OF 27N E OF 70W S TO SW WINDS 15 TO 20 
KT...INCREASING TO 20 TO 25 KT LATE. 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. S OF 27N W OF 
BAHAMAS SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SCATTERED 
SHOWERS N OF 28N W OF 75W. 
.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 AND TUE NIGHT...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.
.FRI...N OF 27N E OF 73W VARIABLE WINDS 5 TO 10 KT. SEAS 5 TO 8 
FT. N OF 27N W OF 73W SE TO S WINDS 20 TO 25 KT. SEAS 3 TO 6 FT. 
S OF 27N E OF 72W NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. S 
OF 27N W OF 72W E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. 

$$ 
FORECASTER AL/LEWITSKY