267 
FZNT02 KNHC 230955
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN SEP 23 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 23.
24 HOUR FORECAST VALID 0600 UTC MON SEP 24.
48 HOUR FORECAST VALID 0600 UTC TUE SEP 25.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM KIRK NEAR 9.1N 28.0W 1006 MB AT 0900 UTC SEP 23 
MOVING W OR 280 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER 
EXCEPT 60 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF 
CENTER EXCEPT 60 NM NW QUADRANT WITH SEAS TO 13 FT. OVER 
FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST TROPICAL STORM KIRK NEAR 10.0N 35.1W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 0 NM S SEMICIRCLE...60 NM NE QUADRANT AND 40 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N AND 30 NM S 
SEMICIRCLES WITH SEAS TO 16 FT. ELSEWHERE WITHIN 150 NM N AND 90 
NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 9 TO 14 FT. REMAINDER 
OF AREA FROM 08N TO 15N E OF 38W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM KIRK NEAR 10.4N 43.7W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 0 NM S SEMICIRCLE...70 NM NE QUADRANT AND 50 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM N SEMICIRCLE WITH 
SEAS TO 20 FT. ELSEWHERE WITHIN 210 NM N AND 60 NM S SEMICIRCLES 
WINDS 20 TO 33 KT. SEAS 9 TO 15 FT. REMAINDER OF AREA FROM 08N 
TO 18N BETWEEN 37W AND 48W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM KIRK NEAR 10.9N 51.0W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM KIRK NEAR 10.9N 51.0W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST TROPICAL STORM KIRK NEAR 13.0N 61.5W. 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.

...ATLC GALE WARNING...
.ATLC COLD FRONT FROM 31N40W TO 25N49W TO 27N59W. N OF 30N 
WITHIN 60 NM E OF FRONT S TO SW WINDS 30 TO 35 KT. SEAS 11 TO 13 
FT. ELSEWHERE E OF FRONT AND N OF LINE FROM 31N36W TO 27N40W TO 
26N44W S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. N OF 27N W OF 
FRONT TO 57W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE 
SWELL.
.06 HOUR FORECAST STATIONARY FRONT FROM 31N40W TO 24N52W TO 
26N60W. N OF 26N WITHIN 120 NM E OF FRONT S TO SW WINDS 20 TO 30 
KT. SEAS 8 TO 11 FT. N OF 26N W OF FRONT TO 58W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN N TO NE SWELL.
.24 HOUR FORECAST FRONT DISSIPATED. N OF 30N BETWEEN 40W AND 49W 
S TO SW WINDS 20 TO 30 KT. SEAS 9 TO 11 FT. ELSEWHERE N OF LINE 
FROM 31N38W TO 26N45W TO 27N53W TO 31N57W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN N TO NE SWELL.
.48 HOUR FORECAST TROUGH FROM 31N48W TO 27N52W. N OF 30N BETWEEN 
44W AND 46W S TO SW WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. 
ELSEWHERE N OF LINE FROM 31N41W TO 29N46W TO 30N53W WINDS 20 KT 
OR LESS. SEAS TO 9 FT IN N TO NE SWELL. 

.SYNOPSIS AND FORECAST. 

.TROPICAL DEPRESSION ELEVEN NEAR 14.5N 55.0W 1009 MB AT 0900 UTC 
SEP 23 MOVING NW OR 315 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 25 
KT GUSTS 35 KT. WITHIN 60 NM NE SEMICIRCLE WINDS 20 TO 25 KT. 
SEAS TO 9 FT.
.12 HOUR FORECAST TROPICAL DEPRESSION ELEVEN NEAR 15.0N 56.0W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 60 NM NE 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST...DISSIPATED.

.ATLC LOW PRES NEAR 28N67W 1010 MB. N OF LINE FROM 30N65W TO 
28N70W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.18 HOUR FORECAST LOW PRES NEAR 27.5N70.5W 1013 MB. WINDS 20 KT 
OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E WINDS 20 
TO 25 KT. SEAS TO 9 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.