000
FZNT02 KNHC 190417
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE SEP 19.
24 HOUR FORECAST VALID 0000 UTC WED SEP 20.
48 HOUR FORECAST VALID 0000 UTC THU SEP 21.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE NIGEL NEAR 28.6N 52.7W 979 MB AT 0300 UTC SEP 19 
MOVING NW OR 320 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 75 KT 
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE 
QUADRANT...120 NM SE QUADRANT...80 NM SW QUADRANT...AND 130 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM NE 
QUADRANT...240 NM SE QUADRANT...180 NM SW QUADRANT...AND 210 NM 
NW QUADRANT WITH SEAS TO 32 FT. ELSEWHERE WITHIN 330 NM NE 
QUADRANT...300 NM SE QUADRANT...180 NM SW QUADRANT AND 240 NW 
QUADRANT WINDS 20 TO 33 KT. SEAS 10 TO 14 FT. REMAINDER OF AREA 
FROM 19N TO 31N BETWEEN 42W AND 60W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE NIGEL JUST N OF AREA NEAR 32.1N 
54.5W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL 
STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...130 NM SE 
QUADRANT...90 NM SW QUADRANT...AND 120 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 270 NM NE QUADRANT...240 NM SE 
QUADRANT...180 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS 
TO 35 FT. ELSEWHERE WITHIN 240 NM E SEMICIRCLE...180 NM SW 
QUADRANT AND 210 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 10 TO 16 
FT. REMAINDER OF AREA OVER FORECAST WATERS FROM 24N TO 31N 
BETWEEN 47W AND 63W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.  
.48 HOUR FORECAST HURRICANE NIGEL WELL N OF AREA NEAR 37.6N 
51.6W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL 
STORM FORCE WINDS WITHIN 160 NM E SEMICIRCLE...130 NM SW 
QUADRANT AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
240 NM OF CENTER OF NIGEL...EXCEPT 270 NM NW QUADRANT WITH SEAS 
TO 37 FT. ELSEWHERE WITHIN 360 NM NE QUADRANT...240 NM S 
SEMICIRCLE AND 270 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 10 TO 
14 FT. REMAINDER OF AREA OVER FORECAST WATERS FROM 29N TO 31N 
BETWEEN 48W AND 58W WINDS 20 KT OR LESS. SEAS 8 FT IN DECAYING 
NW TO N SWELL. 
.72 HOUR FORECAST HURRICANE NIGEL WELL N OF AREA NEAR 43.4N 
39.5W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL NIGEL WELL N OF 
AREA NEAR 50.0N 24.7W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL NIGEL WELL N OF 
AREA NEAR 57.0N 17.4W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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 FROM 19N TO 19N E OF 41W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN NE SWELL.
.24 HOUR FORECAST TROPICAL WAVE ALONG 40W S OF 22N. FROM 16N TO 
27N E OF 47W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.48 HOUR FORECAST TROPICAL WAVE ALONG 47W S OF 22N. FROM 16N TO 
26N E OF 48W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.CARIBBEAN FROM 11N TO 13N BETWEEN 70W AND 74W...INCLUDING
THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.09 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST FROM 11N TO 13N BETWEEN 69W AND 
73W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 70W AND 
73W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 70W AND 74W... 
INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.