153 
FZNT02 KNHC 131014
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI AUG 13 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI AUG 13.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 14.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 15.

.WARNINGS.

...ATLC AND GULF OF MEXICO TROPICAL STORM WARNING...
.TROPICAL DEPRESSION FRED NEAR 22.0N 76.7W 1013 MB AT 0900 UTC
AUG 13 MOVING WNW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. ELSEWHERE WITHIN 21N74W TO 22N77W TO 23N77W TO 
24N76W TO 24N75W TO 21N74W E TO SE WINDS 20 TO 30 KT. SEAS
8 TO 10 FT.
.12 HOUR FORECAST TROPICAL STORM FRED NEAR 22.6N 78.4W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS 
WITHIN 40 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 30 NM N SEMICIRCLE WITH SEAS TO 14 FT. ELSEWHERE 
WITHIN 22N76W TO 23N80W TO 25N79W TO 24N77W TO 24N75W TO 22N76W 
E TO SE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM FRED OVER GULF OF MEXICO NEAR 
23.6N 80.2W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. LITTLE 
CHANGE IN RADII OF TROPICAL STORM FORCE WINDS AND 12 FT OR 
GREATER WITH SEAS TO 15 FT. ELSEWHERE WITHIN 23N78W TO 23N80W TO 
24N81W TO 25N80W TO 25N79W TO 23N78W...INCLUDING THE STRAITS OF 
FLORIDA...WINDS 20 TO 35 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM FRED NEAR 26.4N 82.5W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 40 NM N SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 N SEMICIRCLE...30 NM SE
QUADRANT AND 0 NM SW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE 
WITHIN 25N81W TO 25N82W TO 25N83W TO 26N84W TO 26N83W TO 25N81W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM FRED NEAR 29.6N 84.6W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION FRED INLAND NEAR 32.5N 
85.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION FRED INLAND NEAR 35.5N 
85.7W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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 LOW PRES NEAR 15N46W 1010 MB. WITHIN 15N42W TO 14N44W TO 
15N45W TO 18N44W TO 17N43W TO 15N42W E TO SE WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16N53W 1005 MB. WITHIN 16N50W TO 15N53W TO 19N53W TO 19N50W TO 
18N48W TO 16N50W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
17N61W 1004 MB. WITHIN 18N57W TO 16N59W TO 16N61W TO 20N59W TO 
19N57W TO 18N57W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.CARIBBEAN WITHIN 12N72.5W TO 12N73W TO 12N74W TO 12.5N73.5W TO
12.5N73W TO 12N72.5W WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 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 AGUIRRE. NATIONAL HURRICANE CENTER.