000
FZNT02 KNHC 221000
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI SEP 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI SEP 22.
24 HOUR FORECAST VALID 0600 UTC SAT SEP 23.
48 HOUR FORECAST VALID 0600 UTC SUN SEP 24.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE SIXTEEN NEAR 30.5N 75.0W 1000 MB AT
0900 UTC SEP 22 MOVING N OR 360 DEG AT 12 KT. MAXIMUM SUSTAINED
WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM
S SEMICIRCLE...210 NM NE QUADRANT AND 180 NM NW QUADRANT.  SEAS
12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE AND 0 NM S
SEMICIRCLE WITH SEAS TO 18 FT. ELSEWHERE OVER FORECAST WATERS S
OF 31N WITHIN 31N70W TO 31N81W TO 29N79W TO 28N74W TO 31N70W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM SIXTEEN NEAR 33.4N 76.5W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 250 NM NE QUADRANT...120 NM SE QUADRANT...90 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER 
300 NM NE QUADRANT...240 NM SE QUADRANT...240 NM SW
QUADRANT...AND 90 NM NW QUADRANT WITH SEAS TO 22 FT. ELSEWHERE
OVER FORECAST WATERS S OF 31N WITHIN WITHIN 31N72W TO 31N81W TO 28N80W TO 28N77W TO
31N72W WINDS 20 TO 25 KT. SEAS 8 TO 15 FT IN MIXED
SWELL...HIGHEST NEAR 31N78W. 
.48 HOUR FORECAST TROPICAL STORM SIXTEEN INLAND NEAR 37.0N 
76.9W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM 
FORCE WINDS WITHIN 0 NM W SEMICIRCLE...120 NM NE QUADRANT AND 60 
NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NE AND 240 NM SE
QUADRANTS WITH SEAS TO 24 FT. OVER FORECAST WATERS S OF 31N 
WINDS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.60 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SIXTEEN NEAR 38.3N
76.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. 
.72 HOUR FORECAST POST- TROPICAL EXTRATROPICAL SIXTEEN NEAR 
39.0N 75.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

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.

.ATLC WITHIN 23N48W TO 24N52W TO 23N53W TO 21N54W TO 20N53W TO
22N48W TO 23N48W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC 12 HOUR FORECAST LOW PRESSURE E OF AREA. WITHIN 22N35W TO 
21N40W TO 16N40W TO 13N35W TO 22N35W NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
15N36W 1008 MB. WITHIN 22N35W TO 21N43W TO 18N43W TO 15N41W TO 
15N35W TO 22N35W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
15N42W 1008 MB. WITHIN 24N38W TO 23N46W TO 17N50W TO 13N43W TO 
18N35W TO 24N38W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 13 
FT...HIGHEST NEAR 16N42W.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.