000
FZNT02 KNHC 182141
HSFAT2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC TUE MAY 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 BETWEEN 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 1800 UTC TUE MAY 18.
24 HOUR FORECAST VALID 1800 UTC WED MAY 19.
48 HOUR FORECAST VALID 1800 UTC THU MAY 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH 31N77W TO 28N80W. N OF 29N WITHIN 240 NM E OF 
TROUGH S TO SW WINDS 20 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.ATLC 12 HOUR FORECAST TROUGH 30N68W TO 26N71W. WITHIN 180 NM E 
OF TROUGH SE WINDS 20 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROUGH 30N69W TO 26N72W TO 20N74W. FROM 20N TO 
26N WITHIN 180 NM E OF TROUGH SE WINDS 20 KT. SEAS LESS THAN 8 
FT.
.48 HOUR FORECAST LOW PRES 27N72W 1014 MB WITH TROUGH 31N74W TO 
LOW TO 20N74W. FROM 23N TO 29N WITHIN 300 NM E OF LOW AND TROUGH 
SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT.

.ATLC 18 HOUR FORECAST COLD FRONT 31N41W TO 29N46W. W OF FRONT 
TO 46W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NW SWELL.
.24 HOUR FORECAST COLD FRONT 31N37W TO 28N44W. W OF FRONT TO 44W 
WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NW SWELL.
.36 HOUR FORECAST COLD FRONT DISSIPATED. WINDS LESS THAN 20 KT. 
SEAS LESS THAN 8 FT.

.ATLC S OF 20N E OF 40W NE TO E WINDS 20 KT. SEAS 8 TO 11 FT IN 
NE SWELL. ELSEWHERE S OF 22N E OF 50W WINDS LESS THAN 20 KT. 
SEAS TO 9 FT IN NE SWELL. S OF 18N W OF 50W WINDS LESS THAN 20 
KT. SEAS TO 9 FT IN NE SWELL.
.24 HOUR FORECAST S OF 15N E OF 45W NE TO E WINDS 20 KT. SEAS TO 
9 FT IN NE SWELL. FROM 15N TO 22N E OF 50W NE TO E WINDS TO 20 
KT. SEAS 8 FT PRIMARILY IN NE SWELL. ELSEWHERE S OF 18N BETWEEN 
45W AND 59W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN NE SWELL.
.48 HOUR FORECAST S OF 10N E OF 50W WINDS LESS THAN 20 KT. SEAS 
8 FT IN NE SWELL. FROM 10N TO 26N E OF 50W NE TO E WINDS 20 KT. 
SEAS TO 9 FT IN MIXED NE AND NW SWELL. FROM 10N TO 26N BETWEEN 
50W AND 55W WINDS LESS THAN 20 KT. SEAS 8 FT IN MIXED N AND E 
SWELL.

.CARIBBEAN S OF 19N W OF 84W INCLUDING GULF OF HONDURAS...E TO 
SE WINDS 20 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 15N BETWEEN 68W AND 78W NE TO E WINDS 20 
TO 25 KT. SEAS TO 9 FT. ELSEWHERE BETWEEN 64W AND 70W E WINDS 20 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 11N TO 16N BETWEEN 66W AND 78W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 16N TO 18N BETWEEN 66W 
AND 78W E WINDS 20 KT. SEAS LESS THAN 8 FT. E OF 66W E WINDS TO 
20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 66W AND 75W E WINDS 20 
KT. SEAS TO 9 FT. ELSEWHERE FROM 11N TO 17N BETWEEN 70W AND 80W 
WINDS LESS THAN 20 KT. SEAS TO 9 FT IN E SWELL.

.GULF OF MEXICO 30 HOUR FORECAST N OF 23N W OF 93W SE TO S WINDS 
20 KT. SEAS LESS THAN 8 FT.
.42 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 LEWITSKY. TROPICAL PREDICTION CENTER.