000
FZNT02 KNHC 301558
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU JUL 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU JUL 30.
24 HOUR FORECAST VALID 1200 UTC FRI JUL 31.
48 HOUR FORECAST VALID 1200 UTC SAT AUG  1.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ISAIAS NEAR 18.1N 68.9W 1003 MB AT 1500 UTC JUL 
30 MOVING NW OR 310 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 270 NM NE 
QUADRANT...90 NM SE QUADRANT...0 NM SW QUADRANT...AND 210 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM S SEMICIRCLE...420 NM
NE QUADRANT AND 360 NM NW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE
WITHIN 14N64W TO 17N76W TO 22N75W TO 24N67W TO 21N62W TO 
14N64W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA 
WITHIN 19N48W TO 14N61W TO 14N70W TO 19N77W TO 27N64W TO 19N48W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM ISAIAS OVER WATER NEAR 21.4N 
74.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM 
FORCE WINDS WITHIN 180 NM NE QUADRANT...90 NM SE QUADRANT...0 NM 
SW QUADRANT...AND 150 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 330 NM NE QUADRANT...150 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 270 NM NW QUADRANT WITH SEAS TO 23 FT. ELSEWHERE 
WITHIN 20N67W TO 22N78W TO 25N77W TO 26N73W TO 24N68W TO 
20N67W...INCLUDING THE WINDWARD PASSAGE...WINDS 20 TO 33 KT. SEAS
8 TO 12 FT. REMAINDER OF AREA WITHIN 20N64W TO 20N74W TO 22N78W 
TO 27N77W TO 31N71W TO 20N64W...INCLUDING THE WINDWARD 
PASSAGE...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.48 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 24.6N 78.2W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 90 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 
50 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE 
QUADRANT...0 NM S SEMICIRCLE...AND 90 NM NW QUADRANT WITH SEAS TO
16 FT. ELSEWHERE WITHIN 24N76W TO 24N79W TO 26N80W TO 28N78W TO 
27N75W TO 24N76W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF
AREA WITHIN 26N72W TO 23N72W TO 24N80W TO 31N81W TO 31N74W TO 
26N72W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 28.0N 79.9W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 31.5N 79.1W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 37.5N 73.5W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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 07N35W TO 07N37W TO 08N37W TO 08N35W TO 07N35W
WINDS 20 KT OR LESS. SEAS 8 FT IN E TO SE SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC AND CARIBBEAN 24 HOUR FORECAST WITHIN 14N68W TO 12N70W TO
13N71W TO 18N71W TO 18N68W TO 14N68W...INCLUDING THE MONA
PASSAGE...E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT IN NE SWELL.
.48 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 B REINHART. NATIONAL HURRICANE CENTER.