000
FZNT02 KNHC 201016
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU OCT 20 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

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.

SECURITE

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC THU OCT 20.
24 HOUR FORECAST VALID 0600 UTC FRI OCT 21.
48 HOUR FORECAST VALID 0600 UTC SAT OCT 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N75W TO 22N78W. N OF 27N W OF FRONT W 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. S OF 27N W OF FRONT NW TO 
N WINDS 20 KT. SEAS LESS THAN 8 FT. N OF 27N BETWEEN FRONT AND
65W SE TO S WINDS 20 TO 25 KT EXCEPT S TO SW 25 TO 30 KT N OF
29N BETWEEN 69W AND FRONT. SEAS 8 FT EXCEPT 9 TO 14 FT BETWEEN
69W AND FRONT.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 31N70W TO 26N73W
THEN STATIONARY TO 22N78W. N OF 27N W OF FRONT TO 77W WINDS LESS
THAN 20 KT. SEAS TO 8 FT IN NW SWELL. N OF 29N WITHIN 120 NM E
OF FRONT S TO SW WINDS TO 20 KT. SEAS TO 9 FT IN MIXED E AND 
SW SWELL.
.48 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 31N69W TO 
22N76W. S OF 27N W OF FRONT N TO NE WINDS 20 KT. SEAS LESS THAN 
8 FT.

.ATLC LOW PRES NEAR 28N46W 1015 MB. N OF 28N E OF 45W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES DISSIPATED. N OF 27N BETWEEN 40W AND 
60W AND ALSO FROM 20N TO 28N BETWEEN 40W AND 68W E TO E WINDS 20 
TO 25 KT. SEAS 8 TO 11 FT...HIGHEST BETWEEN 44W AND 56W.
.48 HOUR FORECAST FROM 22N TO 28N E OF 50W NE TO E WINDS 20 KT.
SEAS 8 TO 10 FT. N OF 22N BETWEEN 50W AND 65W E TO SE WINDS
20 KT. SEAS 8 TO 10 FT IN NE SWELL.

.ATLC TROUGH FROM 07N50W TO 17N35W. WITHIN 120 NM NW OF TROUGH 
NE WINDS TO 20 KT. SEAS TO 8 FT. WITHIN 180 NM SE OF TROUGH 
S TO SW WINDS 20 KT. SEAS TO 8 FT. SCATTERED TSTMS WITHIN 120 NM
EITHER SIDE OF TROUGH.
.24 HOUR FORECAST TROUGH FROM 07N50W TO 21N35W. E OF 45W WITHIN 
180 NM NW OF TROUGH NE WINDS TO 20 KT. SEAS TO 8 FT. E OF 45W 
WITHIN 180 NM SE OF TROUGH S TO SW WINDS 20 KT. SEAS TO 8 FT. 
SCATTERED TSTMS WITHIN 180 NM OF TROUGH. 
.48 HOUR FORECAST TROUGH FROM 11N55W TO 14N43W TO 20N35W. E OF 
45W WITHIN 180 NM NW OF TROUGH NE TO E WINDS TO 20 KT. SEAS TO
8 FT. E OF 45W WITHIN 120 NM SE OF TROUGH S TO SW WINDS 20 KT.
SEAS TO 80 FT. SCATTERED TSTMS WITHIN 240 NM OF TROUGH. 

.CARIBBEAN COLD FRONT FROM 22N78W TO 16N88W. LOW PRES NEAR
14N82W 1010 MB. W OF FRONT NW TO N WINDS 20 KT EXCEPT W TO NW 
WITHIN 60 NM W OF FRONT S OF 18N. SEAS TO 8 FT EXCEPT TO 10 FT 
IN NW SWELL S OF 18N. WITHIN 120 NM SW SEMICIRCLE OF LOW WINDS
20 KT. SEAS LESS THAN 8 FT. NUMEROUS TSTMS S OF 20N W OF 80W.
.24 HOUR FORECAST STATIONARY FRONT FROM 22N78W TO 15N82W. LOW
PRES NEAR 14N82W 1010 MB. W OF FRONT AND LOW NW TO N WINDS 20 TO 
25 KT. SEAS TO 8 FT. NUMEROUS TSTMS S OF 20N W OF 80W.
.48 HOUR FORECAST FRONTAL TROUGH FROM 22N76W TO 15N82W. LOW PRES
NEAR 14N82W 1010 MB. WITHIN 60 NM OF LOW EXCEPT 180 NM SE 
QUADRANT WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE W OF FRONTAL 
TROUGH N TO NE WINDS 20 KT EXCEPT FROM 15N TO 18N NW TO N. SEAS 
TO 8 FT. NUMEROUS TSTMS NEAR TROUGH AND LOW. 

.GULF OF MEXICO E OF 90W NW TO N WINDS 20 KT. SEAS 8 TO 10 FT IN 
NW SWELL S OF 26N AND TO 8 FT N OF 26N. S OF 25N BETWEEN 90W AND 
96W WINDS LESS THAN 20 KT. SEAS 8 TO 10 FT IN N SWELL.
.24 HOUR FORECAST E OF 90W S OF 26N WINDS LESS THAN 20 KT. SEAS 
TO 9 FT IN DECAYING NW SWELL.
.30 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. 

.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.