000
FZNT02 KNHC 132115
HSFAT2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...ATLC AND GULF OF MEXICO TROPICAL STORM WARNING...
.TROPICAL DEPRESSION FRED NEAR 22.3N 79.6W 1013 MB AT 2100 UTC
AUG 13 MOVING W OR 280 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. WITHIN 23N76W TO 22N77W TO 23N80W TO 24N79W TO 
24N77W TO 23N76W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROPICAL STORM FRED OVER WATER NEAR 24.2N
82.6W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM
FORCE WINDS WITHIN 40 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE.
SEAS TO 9 FT WITHIN AREA OF TROPICAL STORM WINDS. ELSEWHERE 
WITHIN 24N82W TO 24N83W TO 24N84W TO 25N83W TO
26N82W TO 24N82W WINDS 20 TO 33 KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROPICAL STORM FRED NEAR 27.0N 84.8W. 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 45 NM N SEMICIRCLE WITH
SEAS TO 13 FT. ELSEWHERE WITHIN 27N83W TO 26N85W TO 28N86W TO 29N84W 
TO 29N83W TO 27N83W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM FRED NEAR 30.2N 86.2W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION FRED INLAND NEAR 33.5N
86.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL FRED NEAR 37.0N 85.0W. MAXIMUM
SUSTAINED WINDS 20 KT GUSTS 30 KT.

...ATLC AND CARIBBEAN TROPICAL STORM WARNING...
.TROPICAL DEPRESSION SEVEN NEAR 15.4N 51.8W 1010 MB AT 2100 UTC
AUG 13 MOVING W OR 275 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. WITHIN 15N48W TO 15N52W TO 18N50W TO 19N48W TO 
18N47W TO 15N48W WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.12 HOUR FORECAST TROPICAL STORM SEVEN NEAR 15.9N 54.7W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM SEVEN NEAR 16.4N 58.5W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS TO 10 FT. 
ELSEWHERE WITHIN 17N55W TO 16N59W TO 18N60W TO 19N57W TO
18N55W TO 17N55W WINDS 20 TO 33 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST TROPICAL STORM SEVEN NEAR 17.7N 65.0W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM N SEMICIRCLE...30 NM SE QUADRANT AND 0 NM SW
QUADRANT. SEAS TO 12 FT WITHIN 45 NM N SEMICIRCLE. ELSEWHERE 
WITHIN 18N61W TO 18N64W TO 17N64W TO 18N66W TO 20N64W TO 18N61W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM SEVEN INLAND NEAR 19.0N 70.3W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM SEVEN OVER WATER NEAR 20.9N
74.7W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST TROPICAL STORM SEVEN NEAR 23.6N 79.1W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.