000
FZNT02 KNHC 171007
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN SEP 17.
24 HOUR FORECAST VALID 0600 UTC MON SEP 18.
48 HOUR FORECAST VALID 0600 UTC TUE SEP 19.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM NIGEL NEAR 23.0N 48.6W 1001 MB AT 0900 UTC SEP
17 MOVING NNW OR 330 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 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 150 NM NE QUADRANT...90 
NM SE QUADRANT...75 NM SW QUADRANT...AND 105 NM NW QUADRANT WITH 
SEAS TO 15 FT. WITHIN 25N44W TO 27N47W TO 27N50W TO 24N52W TO 
21N46W TO 23N44W TO 25N44W E TO SE WINDS 20 TO 33 KT. SEAS 9 TO 
11 FT. WITHIN 24N41W TO 27N43W TO 28N51W TO 22N53W TO 18N50W TO 
20N42W TO 24N41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL.
.24 HOUR FORECAST HURRICANE NIGEL NEAR 26.0N 51.0W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 80 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM N SEMICIRCLE AND
120 NM S SEMICIRCLE WITH SEAS TO 25 FT. WITHIN 28N46W TO 30N51W 
TO 28N54W TO 24N53W TO 23N47W TO 25N45W TO 28N46W E TO SE WINDS 
20 TO 33 KT. SEAS 12 TO 14 FT. WITHIN 31N44W TO 29N54W TO 31N58W 
TO 23N57W TO 20N51W TO 22N43W TO 31N44W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE NIGEL NEAR 28.8N 54.0W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 90 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE AND
210 NM S SEMICIRCLE WITH SEAS TO 36 FT. WITHIN 31N49W TO 31N58W 
TO 28N57W TO 26N54W TO 26N52W TO 28N49W TO 31N49W S WINDS 20 TO 
33 KT. SEAS 14 TO 18 FT. WITHIN 31N48W TO 26N54W TO 31N58W TO 
26N62W TO 21N53W TO 24N46W TO 31N48W WINDS 20 KT OR LESS. SEAS 8 
TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE NIGEL NEAR 32.7N 55.8W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST HURRICANE NIGEL NEAR 38.0N 52.0W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. 
.120 HOUR FORECAST HURRICANE NIGEL NEAR 44.5N 40.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 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 31N52W TO 30N76W TO 25N75W TO 24N64W TO 27N63W TO
28N56W TO 31N52W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 8 FT IN N SWELL. WITHIN 31N36W TO 31N50W TO 28N49W TO
27N41W TO 27N38W TO 31N36W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN N TO NE SWELL. 
.12 HOUR FORECAST CONDITIONS MERGE WITH WARNING FEATURE.

.CARIBBEAN WITHIN 13N70W TO 13N71W TO 12N73W TO 11N72W TO 11N70W
TO 11N69W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...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 RAMOS. NATIONAL HURRICANE CENTER.