000
FZNT02 KNHC 210246
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI OCT 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI OCT 21.
24 HOUR FORECAST VALID 0000 UTC SAT OCT 22.
48 HOUR FORECAST VALID 0000 UTC SUN OCT 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT 31N70W TO 21N77W. N OF 27N W OF FRONT W 
WINDS 20 KT. SEAS TO 11 FT IN NW SWELL. S OF 27N W OF FRONT N 
WINDS 20 KT. SEAS LESS THAN 8 FT. N OF 27N WITHIN 240 NM E OF 
FRONT SE TO S WINDS 20 KT. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST FRONTAL TROUGH 31N69W TO 21N76W. S OF 27N W OF 
TROUGH N TO NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FRONTAL TROUGH 31N71W TO 21N76W. S OF 27N W OF 
76W N TO NE WINDS 20 KT. SEAS LESS THAN 8 FT.

.ATLC N OF 28N BETWEEN 37W AND 57W NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT.
.24 HOUR FORECAST N OF 24N BETWEEN 35W AND 60W E WINDS 20 KT. 
SEAS TO 10 FT IN E SWELL.
.48 HOUR FORECAST N OF 23N BETWEEN 43W AND 63W E TO SE WINDS 20 
KT. SEAS TO 8 FT IN E SWELL.

.ATLC TROUGH 09N55W TO 14N45W TO 20N35W. E OF 40W WITHIN 180 NM 
S OF TROUGH S TO SW WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST TROUGH 14N46W TO 21N35W. WITHIN 180 NM N OF 
TROUGH NE WINDS 20 KT SEAS LESS THAN 8 FT. WITHIN 120 NM S OF 
TROUGH S TO SW WINDS 20 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST TROUGH 15N47W TO 19N35W. WITHIN 180 NM N OF 
TROUGH NE WINDS 20 KT. SEAS TO 8 FT. 

.CARIBBEAN FRONTAL TROUGH 21N77W TO LOW PRES 14N80W 1009 MB WITH 
TROUGH S TO 10N79W. W OF TROUGH AND LOW NW TO N WINDS 20 KT. 
SEAS TO 9 FT. SCATTERED TSTMS S OF 20N BETWEEN 80W AND 84W.
.24 HOUR FORECAST FRONTAL TROUGH 21N76W TO 15N83W AND LOW PRES 
13N80W 1010 MB. W OF TROUGH AND LOW NW TO N WINDS 20 KT. SEAS TO 
8 FT. SCATTERED TSTMS S OF 17N BETWEEN 80W AND 85W.
.48 HOUR FORECAST FRONTAL TROUGH 21N76W TO 16N85W AND LOW PRES 
NEAR 12N81W 1009 MB. NW OF TROUGH NE WINDS 20 KT. SEAS TO 8 FT. 
WITHIN 90 NM W OF LOW NW TO N WINDS 20 KT. SEAS TO 8 FT.

.GULF OF MEXICO S OF 27N E OF 87W WINDS LESS THAN 20 KT. SEAS TO 
9 FT PRIMARILY IN NW SWELL.
.12 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 NELSON. NATIONAL HURRICANE CENTER.