000
FZNT23 KNHC 172031
OFFNT3

ATLC/CARIBBEAN OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL 
N ATLANTIC AND CARIBBEAN SEA 
NWS NATIONAL HURRICANE CENTER MIAMI FL
530 PM EDT SAT SEP 17 2011

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.

AMZ089-180330-
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N 
BETWEEN 55W AND 65W 
530 PM EDT SAT SEP 17 2011
 
.SYNOPSIS...A TROUGH IN THE GULF OF HONDURAS WILL MOVE INTO THE 
YUCATAN SUN. ANOTHER TROUGH JUST E OF THE WINDWARD ISLANDS ALONG 
60W WILL MOVE INTO THE E CARIBBEAN LATE TONIGHT. CENTRAL ATLC 
HIGH PRES WILL EXTEND SW ACROSS THE FAR N PORTION THROUGH SUN 
NIGHT BEHIND THE TROUGH THEN WILL WEAKEN THROUGH THE WEEK AS THE 
TROUGH LINGERS IN THE SW CARIBBEAN.

$$
AMZ082-180330-
NW CARIBBEAN N OF 15N W OF 75W
530 PM EDT SAT SEP 17 2011

.TONIGHT...S OF 17N E OF 82W E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT 
SUBSIDING TO 4 TO 5 FT LATE. ELSEWHERE NE TO E WINDS 10 KT. SEAS 
2 TO 4 FT. SCATTERED SHOWERS AND ISOLATED TSTMS W OF 80W.
.SUN AND SUN NIGHT...NE TO E WINDS 5 TO 10 KT. SEAS 3 TO 5 FT 
SUBSIDING TO 2 TO 4 FT SUN NIGHT.
.MON THROUGH TUE...E OF 81W VARIABLE WINDS 5 TO 10 KT BECOMING E 
TO SE MON NIGHT. SEAS 1 TO 3 FT. W OF 81W NE TO E WINDS 5 TO 10 
KT SHIFTING TO E TO SE TUE. SEAS 1 TO 3 FT.
.WED...E TO SE WINDS 10 KT. SEAS 1 TO 3 FT.
.THU...E OF 81W E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT EXCEPT 
3 TO 5 FT SE PORTION. W OF 81W NE TO E WINDS 5 TO 10 KT. SEAS 1 
TO 2 FT. SCATTERED SHOWERS AND ISOLATED TSTMS NEAR TROUGH.

$$
AMZ084-180330-
SW CARIBBEAN S OF 15N W OF 75W 
530 PM EDT SAT SEP 17 2011

.TONIGHT...N OF 11N E OF 82W E WINDS 15 TO 20 KT. SEAS 6 TO 8 
FT. N OF 11N W OF 82W NE TO E WINDS 15 KT. SEAS 4 TO 6 FT. S OF 
11N VARIABLE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT IN NE SWELL. 
SCATTERED SHOWERS AND TSTMS.
.SUN AND SUN NIGHT...N OF 11N E OF 82W NE TO E WINDS 10 TO 15 
KT. SEAS 4 TO 5 FT. ELSEWHERE VARIABLE WINDS 5 TO 10 KT. SEAS 2 
TO 4 FT IN NE TO E SWELL.
.MON THROUGH WED...N OF 11N NE TO E WINDS 5 TO 10 KT. SEAS 3 TO 
4 FT SUBSIDING TO 1 TO 2 FT TUE. S OF 11N VARIABLE WINDS 5 TO 10 
KT. SEAS 1 TO 3 FT IN NE SWELL.
.THU...N OF 11N E OF 78W NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 
FT. N OF 11N W OF 78W NE TO E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. 
S OF 11N NW TO N WINDS 5 TO 10 KT. SEAS 1 TO 3 FT. SCATTERED 
SHOWERS AND ISOLATED TSTMS NEAR TROUGH.

$$
AMZ086-180330-
E CARIBBEAN E OF 75W TO THE LEEWARD AND WINDWARD ISLANDS 
530 PM EDT SAT SEP 17 2011

.TONIGHT...S OF 16N W OF 70W NE TO E WINDS 15 TO 20 KT. SEAS 5 
TO 8 FT. ELSEWHERE NE TO E WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN E 
SWELL. SCATTERED SHOWERS AND ISOLATED TSTMS E OF 64W.
.SUN AND SUN NIGHT...E TO SE WINDS 10 TO 15 KT EXCEPT NE TO E 
WINDS W OF 67W. SEAS 2 TO 4 FT. SCATTERED SHOWERS AND ISOLATED 
TSTMS E OF 69W.
.MON AND MON NIGHT...E OF 70W E TO SE WINDS 10 TO 15 KT. SEAS 2 
TO 4 FT. W OF 70W NE TO E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. 
SCATTERED SHOWERS AND ISOLATED TSTMS BETWEEN 66W AND 72W.
.TUE AND WED...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. SCATTERED 
SHOWERS AND ISOLATED TSTMS W OF 70W.
.THU...NE TO E WINDS 15 KT. SEAS 3 TO 5 FT.

$$
AMZ087-180330-
TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 65W 
530 PM EDT SAT SEP 17 2011

.TONIGHT...N OF 14N E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. S OF 
14N E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. SCATTERED SHOWERS 
AND TSTMS N OF 11N.
.SUN THROUGH WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.THU...NE TO E WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT FROM 
12N TO 19N LATE. SEAS 4 TO 6 FT BUILDING TO 5 TO 7 FT FROM 12N 
TO 19N LATE. SCATTERED SHOWERS AND TSTMS CENTRAL PORTION LATE.

$$
AMZ088-180330-
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS
530 PM EDT SAT SEP 17 2011

.SYNOPSIS...A COLD FRONT OVER THE FAR NW PORTION WILL DISSIPATE 
SUN NIGHT. A TROUGH OVER THE CENTRAL BAHAMAS FROM 31N69W TO 
25N74W TO E CUBA WILL DRIFT W REACHING THE E COAST OF FLORIDA 
BY MON WHILE WEAKENING. HIGH PRES WILL BUILD S ALONG THE SE 
UNITED STATES COAST THROUGH SUN NIGHT GRADUALLY WEAKENING 
THROUGH THE WEEK.

$$
AMZ080-180330-
SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS 
530 PM EDT SAT SEP 17 2011

.TONIGHT...W OF FRONT NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. 
ELSEWHERE W OF TROUGH NE TO E WINDS 10 KT. SEAS 3 TO 5 FT EXCEPT 
1 TO 3 FT W OF BAHAMAS. E OF TROUGH E TO SE WINDS 10 TO 15 KT. 
SEAS 4 TO 6 FT. SCATTERED SHOWERS AND TSTMS NEAR FRONT AND 
TROUGH.
.SUN THROUGH MON NIGHT...W OF FRONT NE WINDS 15 TO 20 KT 
DIMINISHING TO 10 TO 15 KT SUN NIGHT. SEAS 5 TO 7 FT SUBSIDING 
TO 4 TO 6 FT SUN NIGHT. ELSEWHERE W OF TROUGH NE TO E WINDS 10 
TO 15 KT. SEAS 3 TO 5 FT EXCEPT 1 TO 3 FT W OF BAHAMAS. E OF 
TROUGH E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SCATTERED 
TSTMS NEAR FRONT AND TROUGH.
.TUE THROUGH THU...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT 
EXCEPT 1 TO 3 FT W OF BAHAMAS.

$$
FORECASTER LEWITSKY