000
FZNT02 KNHC 171525
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI NOV 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI NOV 17.
24 HOUR FORECAST VALID 1200 UTC SAT NOV 18.
48 HOUR FORECAST VALID 1200 UTC SUN NOV 19.

.WARNINGS.

...ATLANTIC AND CARIBBEAN TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE TWENTY-TWO NEAR 17.5N 79.1W 1004 MB 
AT 1500 UTC NOV 17 MOVING NE OR 045 DEG AT 12 KT. MAXIMUM 
SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 12 FT WITHIN 120 NM 
SE QUADRANT. ELSEWHERE WITHIN 150 NM SE SEMICIRCLE WINDS 20 TO 
30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM TWENTY-TWO NEAR 21.9N 73.3W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 45 NM E SEMICIRCLE WITH SEAS TO 13 FT. 
ELSEWHERE WITHIN 75 NM E SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TWENTY-TWO NEAR 
28.3N 64.8W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL 
STORM FORCE WINDS WITHIN 90 NM E SEMICIRCLE...40 NM SW QUADRANT 
AND 0 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM E 
SEMICIRCLE WITH SEAS TO 14 FT. ELSEWHERE N OF 25N E OF 65W AND N 
OF A LINE FROM 31N50W TO 29N55W TO 25N61W S TO SW WINDS 20 TO 33 
KT. SEAS 9 TO 14 FT. REMAINDER OF THE AREA N OF 18N BETWEEN 55W 
AND 70W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.60 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TWENTY-TWO NEAR 
31.8N 61.0W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.72 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

...ATLANTIC GALE WARNING...
.LOW PRESSURE NEAR 28N80W 1004 MB. N OF A LINE FROM 25N65W TO 
27N74W TO 28N80W E TO SE WINDS 25 TO 35 KT. SEAS 12 TO 17 FT. 
ELSEWHERE N OF 19N W OF 60W AND E OF THE BAHAMAS WINDS 20 KT OR 
LESS. SEAS 8 TO 12 FT PRIMARILY IN N TO NE SWELL.  
.24 HOUR FORECAST LOW PRES MOVED N OF AREA. COLD FRONT FROM 
31N74W TO 25N78W. N OF 27N BETWEEN 55W AND 70W SE TO S WINDS 20 
TO 30 KT. SEAS 10 TO 14 FT. FROM 21N TO 27N BETWEEN 66W AND 70W 
S WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 11N BETWEEN 
55W AND 80W AND E OF THE BAHAMAS...INCLUDING IN ATLANTIC 
EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
NE SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH WARNING AREA DESCRIBED 
ABOVE. 

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 30N35W TO 22N54W. N OF A LINE FROM 31N35W 
TO 25N50W TO 28N58W TO 31N57W WINDS 20 KT OR LESS. SEAS 12 TO 17 
FT IN N SWELL. ELSEWHERE E OF 60W AND N OF A LINE FROM 28N35W TO 
20N50W TO 19N60W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 28N35W TO 23N55W. N OF FRONT E 
OF 55W WINDS 20 KT OR LESS. SEAS 9 TO 13 FT IN N SWELL. 
ELSEWHERE N OF A LINE FROM 18N35W TO 11N55W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN N SWELL.  
.48 HOUR FORECAST ELSEWHERE E OF 55W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT...HIGHEST N OF 25N. 

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.