000
FZNT02 KNHC 172056
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN SEP 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN SEP 17.
24 HOUR FORECAST VALID 1800 UTC MON SEP 18.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 19.

.WARNINGS.

...ATLC HURRICANE WARNING...
.TROPICAL STORM NIGEL NEAR 25.1N 49.5W 994 MB AT 2100 UTC SEP 17 
MOVING NW OR 325 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 55 KT 
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE 
QUADRANT...60 NM SE QUADRANT...40 NM SW QUADRANT...AND 90 NM NW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 120 NM S SEMICIRCLE... 
180 NM NE QUADRANT AND 150 NM NW QUADRANT WITH SEAS TO 21 FT. 
ELSEWHERE WITHIN 27N45W TO 29N47W TO 28N52W TO 26N53W TO 22N50W 
TO 23N46W TO 27N45W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
REMAINDER OF AREA WITHIN 30N41W TO 28N51W TO 30N61W TO 20N50W TO 
20N45W TO 23N39W TO 30N41W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE NIGEL NEAR 26.3N 50.6W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 100 NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 
NM E SEMICIRCLE..AND 180 NM W SEMICIRCLE WITH SEAS TO 27 FT. 
ELSEWHERE WITHIN 27N45W TO 30N48W TO 29N54W TO 25N55W TO 23N52W 
TO 23N46W TO 27N45W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
REMAINDER OF AREA WITHIN 31N44W TO 29N54W TO 31N57W TO 22N57W TO 
20N52W TO 22N44W TO 31N44W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE NIGEL NEAR 27.8N 52.1W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM NE QUADRANT...90 NM SE QUADRANT...80 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
210 NM OF CENTER...EXCEPT 240 NM NE QUADRANT WITH SEAS TO 30 FT. 
ELSEWHERE WITHIN 31N48W TO 31N55W TO 26N56W TO 24N52W TO 24N49W 
TO 28N47W TO 31N48W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
REMAINDER OF AREA WITHIN 31N42W TO 31N58W TO 25N59W TO 22N58W TO 
20N52W TO 23N44W TO 31N42W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE NIGEL NEAR 31.0N 55.0W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM NE QUADRANT...120 NM SE QUADRANT...90 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
210 OF CENTER WITH SEAS TO 39 FT. ELSEWHERE WITHIN 31N50W TO 
31N59W TO 29N59W TO 27N56W TO 27N52W TO 31N50W WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 31N47W TO 31N62W 
TO 28N63W TO 24N61W TO 24N55W TO 26N50W TO 31N47W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE NIGEL NEAR 35.7N 54.2W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE NIGEL NEAR 41.3N 45.9W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST TROPICAL STORM NIGEL NEAR 47.8N 31.7W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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 18 HOUR FORECAST WITHIN 26N35W TO 25.5N35.5W TO 25N35.5W
TO 24.5N35.5W TO 23N35W TO 26N35W WINDS 20 KT OR LESS. SEAS 8 FT
IN NE SWELL.
.24 HOUR FORECAST WITHIN 27N35W TO 26N36W TO 24N36W TO 22N35W TO 
27N35W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 27N35W TO 26N39W TO 22N42W TO 20N42W TO 
19N39W TO 19N35W TO 27N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NE SWELL.

.CARIBBEAN WITHIN 13N69W TO 13N73W TO 12N73W TO 12N71W TO 11N72W
TO 11N69W TO 13N69W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.