000
FZNT02 KNHC 191420 AAA
HSFAT2

HIGH SEAS FORECAST...UPDATED
NWS NATIONAL HURRICANE CENTER MIAMI FL
1420 UTC MON OCT 19 2020

UPDATED TO INCLUDE ATLC TROPICAL STORM WARNING

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON OCT 19.
24 HOUR FORECAST VALID 0600 UTC TUE OCT 20.
48 HOUR FORECAST VALID 0600 UTC WED OCT 21.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TWENTY-SEVEN SPECIAL NEAR 25.8N 55.5W 1003 
MB AT 1200 UTC OCT 19 MOVING N OR 360 DEG AT 0 KT. MAXIMUM 
SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 
300 NM N SEMICIRCLE...60 NM SE QUADRANT AND 0 NM SW QUADRANT 
WITH SEAS TO 16 FT. ELSEWHERE WITHIN 23N59W TO 26N70W TO 30N71W 
TO 31N48W TO 23N59W NE TO E WINDS 20 TO 30 KT. SEAS 10 TO 14 FT.
.06 HOUR FORECAST TROPICAL STORM TWENTY SEVEN NEAR 25.8N 55.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. SEAS 12 FT OR GREATER 
WITHIN 360 NM N SEMICIRCLE...60 NM SE QUADRANT AND 30 NM SW 
QUADRANT WITH SEAS TO 17 FT. ELSEWHERE WITHIN 26N54W TO 25N57W 
TO 26N57W TO 27N56W TO 27N55W TO 26N54W WINDS 20 TO 33 KT. SEAS 
10 TO 15 FT. REMAINDER OF AREA WITHIN 21N56W TO 26N71W TO 30N72W 
TO 31N47W TO 21N56W NE TO E WINDS 20 TO 30 KT. SEAS 10 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM TWENTY-SEVEN NEAR 26.0N 55.3W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
390 NM NE SEMICIRCLE AND 120 NM SW SEMICIRCLE WITH SEAS TO 19 
FT. WITHIN 26N55W TO 26N57W TO 28N57W TO 28N55W TO 28N54W TO 
26N55W WINDS 20 TO 33 KT. SEAS 10 TO 16 FT. REMAINDER OF AREA 
WITHIN 27N50W TO 20N62W TO 27N78W TO 30N77W TO 31N37W TO 27N50W 
NE TO E WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST TROPICAL STORM TWENTY-SEVEN NEAR 28.0N 57.8W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 150 NM NE QUADRANT...80 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 210 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
420 N SEMICIRCLE...120 NM SE QUADRANT AND 180 NM SW QUADRANT 
WITH SEAS TO 24 FT. WITHIN 27N57W TO 27N61W TO 30N62W TO 31N58W 
TO 30N56W TO 27N57W WINDS 20 TO 33 KT. SEAS 11 TO 17 FT. 
REMAINDER OF AREA WITHIN 25N35W TO 19N67W TO 31N81W TO 28N62W TO 
31N35W TO 25N35W NE TO E WINDS 20 TO 30 KT...EXCEPT SE TO S 
WINDS 20 TO 30 KT BETWEEN 51W AND 58W AND NW TO N WINDS 20 TO 30 
KT BETWEEN 58W AND 63W. SEAS 9 TO 14 FT.
.72 HOUR FORECAST HURRICANE TWENTY- SEVEN NEAR 29.5N 60.3W. 
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. EXTENDED 
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR 
FORECAST HURRICANE TWENTY-SEVEN NEAR 31.7N 62.3W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST HURRICANE TWENTY-SEVEN NEAR 33.5N 63.8W. 
MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 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 27N76W TO 27N80W TO 30N81W TO 30N77W TO 27N76W NE
TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 25N80W TO 23N79W TO 24N84W TO 28N87W TO
29N85W TO 25N80W...INCLUDING THE STRAITS OF FLORIDA...NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 24N80W TO 23N83W TO 22N87W TO 23N89W TO
27N85W TO 24N80W...INCLUDING THE STRAITS OF FLORIDA...NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 23N86W TO 23N90W TO 26N91W TO 27N89W TO
25N85W TO 23N86W E WINDS 20 TO 25 KT. SEAS TO 9 FT.

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

$$
.FORECASTER ERA/AGUIRRE. NATIONAL HURRICANE CENTER.