000
FZNT02 KNHC 030317
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON AUG 3 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON AUG 3.
24 HOUR FORECAST VALID 0000 UTC TUE AUG  4.
48 HOUR FORECAST VALID 0000 UTC WED AUG  5.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM ISAIAS NEAR 28.5N 79.8W 995 MB AT 0300 UTC AUG 
03 MOVING NNW OR 345 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 60 KT 
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE 
QUADRANT...80 NM SE QUADRANT...0 NM SW QUADRANT...AND 60 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE QUADRANT...75 NM
SE QUADRANT...30 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH 
SEAS TO 26 FT. ELSEWHERE WITHIN 26N77W TO 27N80W TO 30N81W TO 
31N78W TO 29N76W TO 26N77W WINDS 20 TO 33 KT. SEAS 8 TO 16 FT. 
REMAINDER OF AREA WITHIN 31N78W TO 31N79W TO 29N81W TO 31N81W TO 
31N78W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN E TO SE SWELL.
.24 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 32.2N 79.3W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 110 NM E SEMICIRCLE...0 NM SW QUADRANT AND 60 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE QUADRANT...180 
NM SE QUADRANT...75 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH 
SEAS TO 24 FT. ELSEWHERE WITHIN 29N76W TO 29N79W TO 30N79W TO 
31N80W TO 31N75W TO 29N76W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT IN 
E TO SE SWELL. REMAINDER OF AREA WITHIN 31N78W TO 31N79W TO 
29N81W TO 31N81W TO 31N78W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM ISAIAS INLAND NEAR 40.5N 74.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM W SEMICIRCLE...110 NM NE QUADRANT AND 130 NM 
SE QUADRANT. OVER FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL ISAIAS NEAR 50.0N 
65.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. EXTENDED 
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR 
FORECAST POST-TROPICAL EXTRATROPICAL ISAIAS NEAR 55.5N 56.5W. 
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 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.

.SYNOPSIS AND FORECAST.

.ATLC 03 HOUR FORECAST WITHIN 21N61W TO 21.5N62W TO 22N62W TO
22N61.5W TO 21.5N61W TO 21N61W E TO SE WINDS 20 TO 25 KT. SEAS 8
FT.
.24 HOUR FORECAST WITHIN 26N66W TO 25N66W TO 26N68W TO 27N67W TO
26N66W...POSSIBLE TROPICAL CYCLONE...E TO SE WINDS 20 TO 25 KT. 
SEAS TO 9 FT. ELSEWHERE WITHIN 24N65W TO 24N66W TO 25N67W TO 
26N67W TO 25N65W TO 24N65W WINDS 20 KT OR LESS. SEAS 8 FT IN E 
SWELL. 
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN 27 HOUR FORECAST WITHIN 14N68W TO 12N69W TO 14N71W TO
15N74W TO 15N70W TO 14N68W E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.48 HOUR FORECAST WITHIN 13N69W TO 14N71W TO 14N73W TO 15N73W TO
14N70W TO 13N69W E WINDS 20 TO 25 KT. SEAS 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.