000
FZNT02 KNHC 181420
HSFAT2

HIGH SEAS FORECAST 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT APR 18 2009

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 BETWEEN 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA
AND GULF OF MEXICO

SYNOPSIS VALID 1200 UTC SAT APR 18.
24 HOUR FORECAST VALID 1200 UTC SUN APR 19.
48 HOUR FORECAST VALID 1200 UTC MON APR 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT 31N50W TO 23N65W THEN DIFFUSE TO WINDWARD 
PASSAGE. N OF 28N WITHIN 480 NM E OF FRONT SW WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT. FROM 23N TO 28N W OF FRONT TO 78W N TO NE WINDS 
TO 20 KT. SEAS 9 TO 13 FT IN NE SWELL. ELSEWHERE N OF 23N W OF 
FRONT E OF BAHAMAS WINDS LESS THAN 20 KT SEAS TO 8 FT.    
.24 HOUR FORECAST COLD FRONT 31N49W TO 22N63W. N OF 29N WITHIN 
540 NM E OF FRONT SW WINDS TO 20 KT. SEAS TO 9 FT IN NW SWELL. S 
OF 28N W OF FRONT E OF BAHAMAS NE WINDS TO 20 KT. SEAS TO 9 FT 
IN NE SWELL.
.48 HOUR FORECAST FRONTAL TROUGH 31N48W TO 22N57W. WINDS LESS 
THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC FORECAST AREA S OF LINE 20N35W TO 15N55W NE TO E WINDS 20 
KT. SEAS TO 9 FT IN N SWELL.
.24 HOUR FORECAST FORECAST AREA S OF LINE 22N35W TO 12N55W NE TO 
E WINDS 20 KT. SEAS 8 TO 10 FT IN N SWELL.
.48 HOUR FORECAST S OF 15N E OF 58W NE WINDS 20 KT. SEAS TO 9 FT 
IN N SWELL.

.48 HOUR FORECAST N OF 29N W OF 77W S TO SW WINDS 20 KT. SEAS 
LESS THAN 8 FT.

.CARIBBEAN S OF 18N W OF 84W E TO SE WINDS 20 TO 25 KT. SEAS TO 
8 FT. N OF 18N W OF 74W INCLUDING WINDWARD PASSAGE NE TO E WINDS 
TO 20 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 14N BETWEEN 70W AND 78W NE TO E WINDS 20 
TO 25 KT. SEAS TO 9 FT. ELSEWHERE FROM 10N TO 16N E OF 80W NE TO 
E WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 10N TO 14N BETWEEN 65W AND 79W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO ENTIRE AREA E TO SE WINDS 20 TO 25 KT. SEAS TO 9 
FT.
.12 HOUR FORECAST W OF 87W SE TO S WINDS TO 20 KT. SEAS TO 8 FT. 
S OF 25N E OF 86W E TO SE WINDS TO 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT 31N95W TO 26N97W. E OF 92W SE TO S 
WINDS TO 20 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST COLD FRONT 31N85W TO 19N93W. W OF FRONT NW TO 
N WINDS TO 20 KT. SEAS LESS THAN 8 FT.
 
.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

$$
.FORECASTER NELSON. TROPICAL PREDICTION CENTER.