000
FZNT02 KNHC 231610
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT SEP 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT SEP 23.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 24.
48 HOUR FORECAST VALID 1200 UTC MON SEP 25.

.WARNINGS.

...ATLC TROPICAL STORM WARNING... 
.TROPICAL DEPRESSION SEVENTEEN NEAR 15.6N 38.8W 1007 MB AT 1500 
UTC SEP 23 MOVING W OR 270 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 
30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 120 NM N 
SEMICIRCLE WITH SEAS TO 14 FT. WITHIN 19N38W TO 19N39W TO 18N41W 
TO 17N41W TO 16N38W TO 17N37W TO 19N38W NE TO E WINDS 20 TO 30 
KT. SEAS 9 TO 14 FT IN E SWELL. ELSEWHERE WITHIN 23N35W TO 24N38W
TO 21N46W TO 15N44W TO 14N39W TO 16N35W TO 23N35W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.12 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 15.7N 41.0W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 15.8N 43.7W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 FT
OR GREATER WITHIN 180 NM N SEMICIRCLE WITH SEAS TO 15 FT. 
ELSEWHERE WITHIN 20N43W TO 20N44W TO 18N46W TO 16N44W TO 16N43W 
TO 17N41W TO 20N43W WINDS 20 TO 33 KT. SEAS 9 TO 12 FT IN E 
SWELL. REMAINDER OF AREA WITHIN 22N35W TO 24N41W TO 23N49W TO 
18N52W TO 13N43W TO 18N35W TO 22N35W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN NE TO E SWELL.
.48 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 16.2N 48.5W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. LITTLE CHANGE IN 
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER 
WITH SEAS TO 18 FT. ELSEWHERE WITHIN 20N44W TO 20N49W TO 17N50W 
TO 16N48W TO 18N47W TO 17N45W TO 20N44W WINDS 20 TO 30 KT. SEAS 9
TO 13 FT IN E SWELL. REMAINDER OF AREA WITHIN 23N42W TO 25N50W 
TO 23N53W TO 17N54W TO 15N48W TO 17N41W TO 23N42W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN E TO SE SWELL.
.72 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 17.1N 51.6W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 19.5N 54.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM SEVENTEEN NEAR 23.0N 54.5W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 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.

.ATLC WITHIN 31N72W TO 31N80W TO 28N80W TO 28N77W TO 31N72W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL. 
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC WITHIN 26N57W TO 28N62W TO 28N63W TO 26N64W TO 25N58W TO
25N57W TO 26N57W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE
AND E SWELL.
.24 HOUR FORECAST WITHIN 30N60W TO 30N61W TO 30N62W TO 29N61W TO
29N59W TO 29N58W TO 30N60W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED NE AND SE SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN 36 HOUR FORECAST WITHIN 13N69W TO 13N70W TO 12N70W TO
12N69W TO 13N69W TO 12N68W TO 13N69W E WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 13.5N71W TO 13.5N71.5W TO 14N71.5W TO 
13.5N72.5W TO 13.5N71W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.