000
FZNT23 KNHC 180925
OFFNT3

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

AMZ089-181530-
SYNOPSIS FOR CARIBBEAN SEA AND TROPICAL N ATLC FROM 07N TO 22N 
BETWEEN 55W AND 65W 
530 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.  CENTRAL ATLC HIGH PRES RIDGE EXTEND SW ACROSS N PART 
OF ZONES BEHIND TROUGH TONIGHT THEN WEAKEN THROUGH WED AS TROUGH 
SLOWS OVER WESTERN CARIBBEAN.  LOW PRES 1012 MB PRESENTLY OVER 
CENTRAL ATLC APPROACH TROPICAL N ATLC ZONE LATE THU.  

$$
AMZ082-181530-
NW CARIBBEAN N OF 15N W OF 75W
530 AM EDT SUN SEP 18 2011

.TODAY 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 
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.

$$
AMZ084-181530-
SW CARIBBEAN S OF 15N W OF 75W 
530 AM EDT SUN SEP 18 2011

.TODAY 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 
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.

$$
AMZ086-181530-
E CARIBBEAN E OF 75W TO THE LEEWARD AND WINDWARD ISLANDS 
530 AM EDT SUN SEP 18 2011

.TODAY 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.

$$
AMZ087-181530-
TROPICAL N ATLANTIC FROM 07N TO 22N BETWEEN 55W AND 65W 
530 AM EDT SUN SEP 18 2011

.TODAY 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 TO 12 FT LATE. 

$$
AMZ088-181530-
SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS
530 AM EDT SUN SEP 18 2011

.SYNOPSIS...COLD FRONT OVER FAR NW PORTION DISSIPATE TODAY. 
TROUGH OVER CENTRAL BAHAMAS FROM 29N73W TO 24N75W TO E CUBA 
DRIFT W REACHING E COAST OF FLORIDA MON WHILE WEAKENING.  HIGH 
PRES BUILD S ALONG SE UNITED STATES COAST THROUGH TONIGHT THEN 
WEAKENING THROUGH THU.

$$
AMZ080-181530-
SW N ATLANTIC S OF 31N W OF 65W INCLUDING BAHAMAS 
530 AM EDT SUN SEP 18 2011

.TODAY 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 
EXCEPT 2 FT W OF BAHAMAS.

$$
FORECASTER WALLY BARNES