000
FZNT02 KNHC 211516
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI APR 21 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI APR 21.
24 HOUR FORECAST VALID 1200 UTC SAT APR 22.
48 HOUR FORECAST VALID 1200 UTC SUN APR 23.

.WARNINGS.

...GALE WARNING...
.ATLC POST-TROPICAL CYCLONE ARLENE NEAR 39.3N 49.9W 995 MB AT 1500
UTC APR 21 MOVING SW OR 220 DEG AT 20 KT. WITHIN AREA BOUNDED BY
30N47.5W TO 30N52W TO 31N52W TO 31N47.5W TO 30N47.5W W WINDS 30 
TO 40 KT. SEAS 14 TO 19 FT. ELSEWHERE WITHIN AREA BOUNDED BY 
27N49W TO 27N53W TO 31N59W TO 31N45W TO 27N49W W TO NW WINDS 20
TO 30 KT. SEAS 12 TO 17 FT. REMAINDER OF AREA BOUNDED BY 25N48W 
TO 25N61W TO 31N65W TO 31N40W TO 25N48W WINDS 20 KT. SEAS 9 TO 
11 FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 29N41W TO 27N43W TO 
28N47W TO 31N44W TO 31N40W TO 29N41W SW TO W WINDS 20 TO 30 KT. 
SEAS 11 TO 14 FT. ELSEWHERE WITHIN AREA BOUNDED BY 25N42W TO 
22N50W TO 22N57W TO 25N62W TO 31N63W TO 31N37W TO 25N42W WINDS 
20 KT OR LESS. SEAS 8 TO 13 FT IN MIXED SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 29N40W TO 28N43W TO 
31N43W TO 31N39W TO 29N40W W WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. 
WITHIN AREA BOUNDED BY 22N35W TO 24N53W TO 31N53W TO 31N35W TO 
22N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.GULF OF MEXICO 42 HOUR FORECAST COLD FRONT FROM 29.5N92W. WITHIN
AREA BOUNDED BY 28N95W TO 27N96W TO 27N97W TO 29N97W TO 30N95W 
TO 30N94W TO 28N95W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N88W TO 24.5N98W. WITHIN 
AREA BOUNDED BY 27N94W TO 25N96W TO 25N97W TO 27N97W TO 29N96W TO
29N94W TO 27N94W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.