000
FZNT23 KNHC 181454
OFFNT3

ATLC/CARIBBEAN OFFSHORE WATERS FORECAST FOR THE SW AND TROPICAL 
N ATLANTIC AND CARIBBEAN SEA 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1130 AM EDT SUN SEP 18 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.

AMZ089-182130-
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N 
BETWEEN 55W AND 65W 
1130 AM EDT SUN SEP 18 2011
 
.SYNOPSIS...WEAK TROUGH ENTERING YUCATAN PENINSULA TODAY MOVE 
INTO BAY OF CAMPECHE MON AND TUE. ANOTHER TROUGH IN E CARIBBEAN 
MOVE ACROSS CENTRAL CARIBBEAN MON AND TUE THEN W CARIBBEAN WED 
AND THU. LOW PRES 1012 MB PRESENTLY OVER CENTRAL ATLC APPROACH 
TROPICAL N ATLC ZONE LATE THU.  

$$
AMZ082-182130-
NW CARIBBEAN N OF 15N W OF 75W
1130 AM EDT SUN SEP 18 2011

.THIS AFTERNOON AND TONIGHT...NE TO E WINDS 5 TO 10 KT. SEAS 3 
TO 4 FT SUBSIDING TO 2 FT TONIGHT.
.MON THROUGH TUE...E OF 81W VARIABLE WINDS 5 TO 10 KT. SEAS 2 
TO 3 FT. W OF 81W NE TO E WINDS 5 TO 10 KT. SEAS 2 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.
W OF 81W NE TO E WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. SCATTERED 
SHOWERS AND ISOLATED TSTMS NEAR TROUGH.

$$
AMZ084-182130-
SW CARIBBEAN S OF 15N W OF 75W 
1130 AM EDT SUN SEP 18 2011

.THIS AFTERNOON AND TONIGHT...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 3 FT.
.MON THROUGH WED...N OF 11N NE TO E WINDS 5 TO 10 KT. SEAS 3 TO 
4 FT SUBSIDING TO 1 FT TUE. S OF 11N VARIABLE WINDS 5 TO 10 KT. 
SEAS 1 TO 3 FT.
.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.

$$
AMZ086-182130-
E CARIBBEAN E OF 75W TO THE LEEWARD AND WINDWARD ISLANDS 
1130 AM EDT SUN SEP 18 2011

.THIS AFTERNOON AND TONIGHT...E TO SE WINDS 10 TO 15 KT. 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 INCREASING TO 20 KT LATE. SEAS 3 TO 5 
FT.

$$
AMZ087-182130-
TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 65W 
1130 AM EDT SUN SEP 18 2011

.THIS AFTERNOON THROUGH WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 
FT.
.THU...NE TO E WINDS 10 TO 15 KT INCREASING TO 25 KT LATE. SEAS 
4 TO 6 FT BUILDING 8 TO 12 FT LATE. 

$$
AMZ088-182130-
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS
1130 AM EDT SUN SEP 18 2011

.SYNOPSIS...STATIONARY FRONT OVER FAR NW PORTION WILL DISSIPATE 
LATER TODAY. TROUGH OVER NORTHERN BAHAMAS FROM 29N76W TO 23N78W 
WILL DRIFT W REACHING E COAST OF FLORIDA MON AND WEAKEN. HIGH 
PRES BUILD S ALONG SE UNITED STATES COAST THROUGH TONIGHT THEN 
WEAKENING THROUGH THU.

$$
AMZ080-182130-
SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS 
1130 AM EDT SUN SEP 18 2011

.THIS AFTERNOON AND TONIGHT...W OF FRONT NE WINDS 15 TO 20 KT 
DIMINISHING TO 10 KT LATE TONIGHT. SEAS 5 TO 7 FT SUBSIDING TO 4 
FT TONIGHT. ELSEWHERE W OF TROUGH NE TO E WINDS 10 TO 15 KT. 
SEAS 3 TO 5 FT EXCEPT 1 FT W OF BAHAMAS. E OF TROUGH E TO SE 
WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. SCATTERED TSTMS NEAR FRONT 
AND ALONG TROUGH.
.MON AND MON NIGHT...E WINDS 10 KT. SEAS 5 TO 6 FT IN MIXED NE 
AND SE SWELL. SCATTERED TSTMS W OF 78W. 
.TUE THROUGH THU...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT E 
OF BAHAMAS AND 2 FT W OF BAHAMAS.

$$
FORECASTER WALLY BARNES/DGS