000
FZNT02 KNHC 200939
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN MAY 20 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN MAY 20.
24 HOUR FORECAST VALID 0600 UTC MON MAY 21.
48 HOUR FORECAST VALID 0600 UTC TUE MAY 22.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ALBERTO NEAR 31.7N 78.9W 998 MB AT 0900 UTC MAY
20 MOVING WSW OR 245 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S
SEMICIRCLE...40 NM NE QUADRANT AND 60 NM NW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 40 NM NW AND SE QUADRANTS...80 NM NE
QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM ALBERTO NEAR 31.2N 79.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 20 NM S SEMICIRCLE...40 NM NE QUADRANT AND 60 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM NE AND SW 
QUADRANTS...AND 50 NM SE AND NW QUADRANTS WITH SEAS TO 15 FT.
.48 HOUR FORECAST TROPICAL STORM ALBERTO NEAR 32.8N 77.1W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM OF CENTER EXCEPT 50 NM NE QUADRANT. SEAS 12 
FT OR GREATER WITHIN 90 NM NE AND SW QUADRANTS...AND 60 NM SE 
AND NW QUADRANTS WITH SEAS TO 15 FT. 
.72 HOUR FORECAST POST TROPICAL ALBERTO NEAR 36.2N 72.6W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL ALBERTO POST-TROPICAL NEAR 39.0N 
68.5W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.

.SYNOPSIS AND FORECAST.

.ATLC TROPICAL STORM ALBERTO N OF THE AREA AT 31.7N 78.9W 998 MB 
WITH TROUGH S TO 27N80W. EXCEPT AS NOTED IN ALBERTO WARNING... 
WITHIN 75 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS TO 9 FT. 
ELSEWHERE N OF 30N W OF TROUGH N WINDS 20 KT. SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST TROPICAL STORM ALBERTO N OF THE AREA NEAR 
31.2N 79.5W WITH TROUGH S TO 28N80W. EXCEPT AS NOTED IN ALBERTO 
WARNING...WITHIN 75 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS TO 
11 FT. ELSEWHERE N OF 30N WITHIN 180 NM W OF TROUGH N WINDS 20 
KT. SEAS TO 9 FT.  
.48 HOUR FORECAST TROPICAL STORM ALBERTO N OF THE AREA NEAR 
32.8N 77.1W WITH TROUGH S TO 27N80W. N OF 29N WITHIN 120 NM E OF 
TROUGH S WINDS 20 KT. SEAS LESS THAN 8 FT.

.ATLC FROM 18N TO 28N BETWEEN 61W AND 70W SE TO S WINDS 20 KT. 
SEAS TO 8 FT. S OF 28N E OF 61W E TO SE WINDS 20 KT. SEAS TO 8 
FT.
.24 HOUR FORECAST N OF 21N BETWEEN 64W AND 70W SE TO S WINDS 20 
TO 25 KT. SEAS TO 10 FT. S OF 25N E OF 60W E WINDS 20 KT. SEAS 
TO 9 FT IN E SWELL.
.48 HOUR FORECAST S OF 20N BETWEEN 45W AND 61W NE TO E WINDS 20 
KT. SEAS TO 9 FT IN E SWELL.

.CARIBBEAN FROM 11N TO 18N E OF 75W E WINDS 20 TO 25 KT. SEAS TO 
8 FT.
.24 HOUR FORECAST N OF 15N BETWEEN 75W AND 80W E TO SE WINDS 20 
KT. SEAS TO 8 FT. N OF 12N E OF 75W E WINDS 20 TO 25 KT. SEAS TO 
9 FT IN E SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.