000
FZNT02 KNHC 210920
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN APR 21 2013

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 21.
24 HOUR FORECAST VALID 0600 UTC MON APR 22.
48 HOUR FORECAST VALID 0600 UTC TUE APR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 26N37W 1011 MB. N OF 25N BETWEEN 44W AND 53W 
N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN N TO NE SWELL. N 
OF 28N E OF 44W WINDS 20 KT OR LESS. SEAS TO 9 FT IN N TO NE 
SWELL. 
.24 HOUR FORECAST LOW PRES NEAR 28N36W 1009 MB. N OF 26N BETWEEN 
40W AND 50W NE WINDS 20 TO 25 KT. SEAS 9 TO 13 FT IN N TO NE 
SWELL. ELSEWHERE N OF LINE 28N35W TO 23N40W TO 21N55W WINDS 20 
KT OR LESS. SEAS TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST LOW PRES NE OF AREA. N OF 21N BETWEEN 40W AND 
54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.

.ATLC FROM 11N TO 21N BETWEEN 54W AND 70W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED N AND NE SWELL. 
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC 06 HOUR FORECAST FRONTAL TROUGH FROM 31N74W TO 24N80W. N 
OF 30N W OF TROUGH NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST TROUGH FROM 31N76W TO 24N79W. N OF 28N W OF 
TROUGH NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST TROUGH FROM 31N76W TO 23N78W. N OF 28N W OF 
TROUGH WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.