000
FZNT02 KNHC 132203
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED SEP 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED SEP 13.
24 HOUR FORECAST VALID 1800 UTC THU SEP 14.
48 HOUR FORECAST VALID 1800 UTC FRI SEP 15.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE LEE NEAR 27.4N 67.6W 952 MB AT 2100 UTC SEP 13 MOVING 
NNW OR 340 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 
KT. TROPICAL STORM FORCE WINDS WITHIN 230 NM E SEMICIRCLE...170 
NM SW QUADRANT AND 180 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 360 NM NE QUADRANT...330 NM SE QUADRANT...390 NM SW 
QUADRANT...AND 420 NM NW QUADRANT WITH SEAS TO 42 FT. ELSEWHERE 
S OF 31N WITHIN 420 NM NE AND SW QUADRANTS...390 NM SE QUADRANT 
AND 480 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 13 TO 21 FT IN SE 
TO S SWELL. REMAINDER OF AREA FROM 18N TO 31N BETWEEN 57W AND 
THE BAHAMAS...INCLUDING IN ATLC EXPOSURES AND PASSAGES...AND 
ALSO N OF 27N BETWEEN 57W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE LEE NEAR 30.9N 68.2W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS 
WITHIN 250 NM E SEMICIRCLE...170 NM SW QUADRANT AND 190 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 375 NM NE QUADRANT...360 
NM S SEMICIRCLE AND 390 NM NW QUADRANT WITH SEAS TO 45 FT. 
ELSEWHERE WITHIN 420 NM OF CENTER...EXCEPT 480 NM NW QUADRANT 
WINDS 20 TO 33 KT. SEAS 12 TO 19 FT IN MIXED SWELL. REMAINDER OF 
AREA FROM 19N TO 31N BETWEEN 56W AND THE BAHAMAS AND ALSO N OF 
27N BETWEEN 56W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN 
MIXED SWELL.
.48 HOUR FORECAST HURRICANE LEE WELL N OF AREA NEAR 36.4N 67.2W. 
MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE 
WINDS WITHIN 250 NM E SEMICIRCLE...210 NM SW QUADRANT AND 230 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 390 NM NE 
QUADRANT...510 NM S SEMICIRCLE AND 450 NM NW QUADRANT WITH SEAS 
TO 43 FT. ELSEWHERE OVER FORECAST WATERS N OF 29N BETWEEN 60W 
AND 72W SW TO W WINDS 20 TO 33 KT. SEAS 12 TO 18 FT IN NW TO N 
SWELL. REMAINDER OF AREA BETWEEN A LINE FROM 31N53W TO 23N63W 
AND THE BAHAMAS AND ALSO N OF 27N BETWEEN SAME LINE AND 80W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE LEE NEAR 42.6N 66.9W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL LEE NEAR 47.7N 63.8W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST POST-TROPICAL LEE NEAR 52.3N 52.1W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 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 HURRICANE MARGOT N OF AREA NEAR 35N41W 971 MB AT 2100 UTC 
SEP 13 MOVING N OR 360 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 80 
KT GUSTS 100 KT. OVER FORECAST WATERS N OF 30N BETWEEN 36W AND 
42W S TO SW WINDS 20 TO 25 KT. SEAS 10 TO 14 FT IN N TO NE SWELL.
ELSEWHERE N OF 25N BETWEEN A LINE FROM 28N35W TO 26N41W AND 57W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.24 HOUR FORECAST HURRICANE MARGOT WELL N OF AREA NEAR 36N40W.
OVER FORECAST WATERS BETWEEN A LINE FROM 31N36W TO 27N43W TO 
25N46W AND 56W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE 
SWELL...EXCEPT IN MIXED SWELL BETWEEN 50W AND 57W.
.48 HOUR FORECAST N OF 30N BETWEEN 35W AND 53W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.   

.ATLC 06 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE... 
NEAR 12N36W 1010 MB. FROM 15N TO 21N BETWEEN 29W AND 39W WINDS 
20 KT OR LESS. SEAS 8 FT IN N TO NE SWELL MIXED WITH SE SWELL.
.18 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N38W 1009 MB. FROM 14N TO 16N BETWEEN 35W AND 38W E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. FROM 09N TO 13N BETWEEN 35W AND 37W S 
TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N39W 1008 MB. LITTLE CHANGE IN CONDITIONS.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16N43W 1007 MB. FROM 16N TO 22N BETWEEN 35W AND 43W E TO SE 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 14N TO 25N 
BETWEEN 35W AND 47W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E TO 
SE SWELL...EXCEPT IN MIXED SWELL N OF 21N.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.