000
FZNT02 KNHC 200258
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED OCT 20 2010

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED OCT 20.
24 HOUR FORECAST VALID 0000 UTC THU OCT 21.
48 HOUR FORECAST VALID 0000 UTC FRI OCT 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT 28N35W TO 23N45W THEN SHEARLINE TO 19N55W AND 
TO 23N67W. WITHIN 90 NM N OF SHEARLINE W OF 50W NE TO E WINDS 20 
KT. SEAS TO 9 FT IN N SWELL. ELSEWHERE W OF FRONT TO 55W WINDS 
LESS THAN 20 KT. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT DISSIPATED. SHEARLINE 28N35W TO 
19N55W TO 19N63W. N OF SHEARLINE BETWEEN 44W AND 49W NE WINDS 20 
KT. SEAS TO 9 FT IN NE SWELL. WITHIN 90 NM N OF SHEARLINE E OF 
55W NE TO E WINDS 20 KT. SEAS 8 FT. N OF SHEARLINE E OF 44W 
WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NE SWELL.
.48 HOUR FORECAST SHEARLINE DISSIPATED. N OF 28N E OF 42W WINDS 
LESS THAN 20 KT. SEAS 8 FT IN NE SWELL.

.ATLC 12 HOUR FORECAST TROUGH 31N71W TO 24N79W. N OF 29N E OF 
TROUGH TO 66W S TO SW WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROUGH 31N70W TO 24N78W. WITHIN 300 NM E OF 
TROUGH N OF 26N S TO SW WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST TROUGH 31N62W TO 22N69W. WITHIN 300 NM E OF 
TROUGH N OF 28N S TO SW WINDS 20 KT. SEAS LESS THAN 8 FT.

.ATLC 18 HOUR FORECAST TROUGH 12N42W TO 18N41W. WITHIN 120 NM E 
OF TROUGH FROM 15N TO 18N NE WINDS 20 KT. SEAS 8 FT.
.24 HOUR FORECAST TROUGH 12N43W TO 18N42W. WITHIN 120 NM E OF 
TROUGH FROM 15N TO 18N NE WINDS 20 KT. SEAS 8 FT.
.48 HOUR FORECAST TROUGH 12N50W TO 18N46W. WITHIN 330 NM E OF 
TROUGH FROM 15N TO 18N NE TO E WINDS 20 KT. SEAS 8 FT.

.CARIBBEAN LOW NEAR 18N83W 1009 MB DRIFTING NE. WITHIN 90 NM E 
QUADRANT OF LOW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. 
ELSEWHERE WITHIN 120 NM NE SEMICIRCLE OF LOW WINDS TO 20 KT. 
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 18N82W 
1008 MB. WITHIN 90 NM N SEMICIRCLE OF LOW WINDS 20 TO 30 KT. 
SEAS TO 8 FT. ELSEWHERE WITHIN 180 NM OF LOW WINDS TO 20 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW...POSSIBLE TROPICAL CYCLONE...NEAR 17N81W 
1008 MB. OVER FORECAST WATERS WITHIN 210 NM NW SEMICIRCLE WINDS 
20 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 48 HOUR FORECAST N OF 24N W OF 96W SE TO S WINDS 
20 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER SCHAUER. TROPICAL PREDICTION CENTER.