000
FZNT02 KNHC 201600
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN AUG 20 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 20.
24 HOUR FORECAST VALID 1200 UTC MON AUG 21.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 22.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM EMILY NEAR 19.5N 38.8W 1001 MB AT 1500 UTC AUG 
20 MOVING WNW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S 
SEMICIRCLE...160 NM NE QUADRANT AND 100 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 0 NM S SEMICIRCLE...180 NM NE QUADRANT AND 
150 NM NW QUADRANT WITH SEAS TO 16 FT. ELSEWHERE WITHIN 22N35W TO
23N37W TO 21N42W TO 17N41W TO 18N35W TO 22N35W WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM EMILY NEAR 20.9N 41.6W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 0 NM S SEMICIRCLE...90 NM NE QUADRANT AND 60 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NW QUADRANT...90 NM
NE QUADRANT...90 NM SW QUADRANT...AND 60 NM SW QUADRANT WITH 
SEAS TO 14 FT. ELSEWHERE WITHIN 27N40W TO 28N41W TO 23N45W TO 
20N44W TO 20N40W TO 21N39W TO 27N40W WINDS 20 TO 33 KT. SEAS 10 
TO 12 FT. REMAINDER OF AREA WITHIN 25N39W TO 25N44W TO 23N46W TO 
20N46W TO 18N42W TO 21N38W TO 25N39W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW EMILY NEAR 22.5N 
45.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 24N43W 
TO 24N45W TO 23N47W TO 22N47W TO 21N44W TO 22N43W TO 24N43W WINDS
20 TO 30 KT. SEAS 9 TO 10 FT. ELSEWHERE WITHIN 29N40W TO 29N46W 
TO 27N49W TO 24N49W TO 24N43W TO 26N39W TO 29N40W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW EMILY NEAR 25.1N 
49.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW EMILY NEAR 29.8N 
50.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW EMILY NEAR 36.0N 
51.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION SIX NEAR 16.8N 53.7W 1008 MB AT 1500 UTC
AUG 20 MOVING W OR 280 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. WITHIN 18N52W TO 19N53W TO 18N54W TO 17N54W TO 
16N53W TO 17N52W TO 18N52W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
ELSEWHERE WITHIN 19N52W TO 20N55W TO 19N57W TO 17N56W TO 17N54W
TO 18N54W TO 19N52W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED 
SWELL.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW SIX NEAR 17.2N 
57.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 20N58W 
TO 20N59W TO 19N59W TO 18N59W TO 18N58W TO 19N57W TO 20N58W WINDS
20 TO 25 KT KT. SEAS 8 FT IN MIXED SWELL.
.36 HOUR FORECAST...DISSIPATED. CONDITIONS IMPROVE. WINDS 20 KT 
OR LESS. SEAS LESS THAN 8 FT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.ATLC AND CARIBBEAN LOW PRES NEAR 14N65W 1004 MB. WITHIN 18N64W 
TO 18N73W TO 17N73W TO 12N65W TO 13N62W TO 15N61W TO 
18N64W...INCLUDING IN MONA PASSAGE AND IN ATLANTIC EXPOSURES AND 
PASSAGES...E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13N70W 1003 MB. WITHIN 17N66W TO 18N71W TO 16N75W TO 14N74W TO 
12N68W TO 13N64W TO 17N66W...INCLUDING IN MONA PASSAGE...WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
15N71W 1002 MB. WITHIN 18N68W TO 18N72W TO 17N74W TO 14N72W TO 
13N67W TO 14N65W TO 18N68W...INCLUDING IN MONA PASSAGE...WINDS 
20 TO 30 KT. SEAS 8 TO 9 FT.

.ATLC AND CARIBBEAN WITHIN 20N73.5W TO 20.5N74W TO 20N74.5W TO
19.5N74.5W TO 19.5N73.5W TO 20N73.5W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 20N73W TO 21N73W TO 20N75W TO 19N76W TO
19N75W TO 20N73W...INCLUDING BETWEEN CUBA AND JAMAICA...NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 20N73W TO 20N75W TO 19N75W TO 20N73W NE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN WITHIN 12N75W TO 12N76W TO 11N77W TO 11N76W TO 11N75W
TO 12N75W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO 12 HOUR FORECAST WITHIN 27N84W TO 28N85W TO
28N87W TO 27N87W TO 26N86W TO 26N84W TO 27N84W E TO SE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 29N86W TO 30N90W TO 29N91W TO 27N90W TO
25N87W TO 27N84W TO 29N86W E TO SE WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 28N91W TO 29N93W TO 29N97W TO 26N96W TO
25N92W TO 28N91W E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

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

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.