000
FZNT02 KNHC 201621
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN MAY 20.
24 HOUR FORECAST VALID 1200 UTC MON MAY 21.
48 HOUR FORECAST VALID 1200 UTC TUE MAY 22.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ALBERTO NEAR 31.5N 79.7W 1000 MB AT 1500 UTC MAY
20 MOVING WSW OR 250 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 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 110 NM NE QUADRANT...40 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 50 NM NW QUADRANT WITH SEAS TO 20 FT.
.12 HOUR FORECAST FORECAST TROPICAL STORM ALBERTO NEAR 31.2N
79.7W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM 
FORCE WINDS WITHIN 20 NM S SEMICIRCLE...40 NM NE QUADRANT AND 50 
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 17 FT.
.24 HOUR FORECAST TROPICAL STORM ALBERTO NEAR 31.4N 79.1W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 20 NM S SEMICIRCLE...40 NM NE QUADRANT AND 50 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 17 FT.
.48 HOUR FORECAST TROPICAL STORM ALBERTO NEAR 34.2N 75.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM W SEMICIRCLE...50 NM NE QUADRANT AND 40 NM SE 
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.
.72 HOUR FORECAST POST TROPICAL ALBERTO NEAR 38.0N 70.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL ALBERTO NEAR 39.5N 66.5W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.SYNOPSIS AND FORECAST.

.ATLC TROPICAL STORM ALBERTO JUST N OF THE AREA AT 31.5N 79.7W
WITH TROUGH S TO 27N80W. EXCEPT AS NOTED WARNINGS...N OF 30N W 
OF 79W W TO NW WINDS 20 TO 25 KT. SEAS 8 FT.
.12 HOUR FORECAST TROPICAL STORM ALBERTO NEAR 31.2N 
79.7W...EXCEPT AS NOTED IN WARNINGS...N OF 30N BETWEEN 79W AND 
80W WINDS 20 TO 30 KT. SEAS 7 TO 8 FT.
.24 HOUR FORECAST TROPICAL STORM ALBERTO N OF THE AREA NEAR 
31.4N 79.1W. EXCEPT AS NOTED IN ALBERTO WARNINGS...N OF 30N 
BETWEEN 79W AND 80W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM ALBERTO N OF THE AREA NEAR 
34.2N 75.4W. CONDITIONS MOVED N OF AREA.

.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 
KT. SEAS TO 9 FT. S OF 25N E OF 60W NE TO E WINDS 20 KT. SEAS TO 
9 FT.
.48 HOUR FORECAST S OF 22N BETWEEN 41W AND 66W NE TO E WINDS 20 
KT EXCEPT E TO SE W OF 66W. SEAS TO 9 FT BETWEEN 41W AND 65W.

.CARIBBEAN FROM 11N TO 15N BETWEEN 64W AND 72W E TO SE WINDS
20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE S OF 18N E OF 80W
E TO SE WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.