000
FZNT02 KNHC 182115
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT SEP 18 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT SEP 18.
24 HOUR FORECAST VALID 1800 UTC SUN SEP 19.
48 HOUR FORECAST VALID 1800 UTC MON SEP 20.

.WARNINGS.

...ATLC GALE WARNING...
.LOW PRES NEAR 15.5N52.0W 1008 MB MOVING WNW 16 KT. WITHIN 
17N51W TO 15N51W TO 17N54W TO 18N53W TO 18N51W TO 17N51W E TO SE 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 17N45W TO 
15N48W TO 15N52W TO 18N53W TO 20N48W TO 17N45W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN E SWELL. 
.06 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16N53.5W 1008 MB. WITHIN 16N53W TO 16N53.5W TO 16N54W TO 17N54W 
TO 17N53W TO 16N53W E WINDS 25 TO 35 KT. SEAS 9 TO 11 FT.
ELSEWHERE WITHIN 16N52W TO 17N55W TO 18N54W TO 18N51W TO 16N52W
E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA WITHIN
16N47W TO 16N54W TO 18N51W TO 18N55W TO 19N49W TO 16N47W WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN E SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18N57W 1007 MB. WITHIN 17N57W TO 17N58W TO 19N58W TO 19N56W TO 18N56W
TO 17N57W WINDS 30 TO 40 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN
18N54W TO 18N58W TO 19N58W TO 20N56W TO 19N54W TO 18N54W WINDS 
20 TO 30 KT. SEAS 9 TO 10 FT. REMAINDER OF AREA WITHIN 17N53W 
TO 16N57W TO 20N58W TO 22N55W TO 20N53W TO 17N53W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
20.5N62W 1007 MB. WITHIN 20N61W TO 20N62W TO 20N63W TO 21N62W 
TO 20N61W WINDS 30 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN
20N60W TO 21N63W TO 23N64W TO 24N62W TO 24N60W TO 20N60W WINDS 
20 TO 30 KT. SEAS 9 TO 11 FT. REMAINDER OF AREA WITHIN 20N57W 
TO 18N59W TO 18N62W TO 23N64W TO 24N58W TO 20N57W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN NE TO E SWELL. 

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 11N76W TO 10N78W TO 11N79W TO 12N78W TO 12N76W
TO 11N76W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.