000
FZNT02 KNHC 302148
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU JUL 30.
24 HOUR FORECAST VALID 1800 UTC FRI JUL 31.
48 HOUR FORECAST VALID 1800 UTC SAT AUG  1.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM ISAIAS NEAR 19.5N 70.6W 999 MB AT 2100 UTC JUL 
30 MOVING NW OR 310 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 210 NM NE 
QUADRANT...120 NM SE QUADRANT...0 NM SW QUADRANT...AND 180 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 420 NM NE QUADRANT...120 
NM SE QUADRANT...0 NM SW QUADRANT...AND 360 NM NW QUADRANT WITH 
SEAS TO 25 FT. ELSEWHERE WITHIN 16N67W TO 17N77W TO 22N76W TO 
25N69W TO 20N65W TO 16N67W...INCLUDING THE WINDWARD PASSAGE AND 
THE MONA PASSAGE...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER 
OF AREA WITHIN 11N65W TO 18N77W TO 25N74W TO 28N65W TO 22N60W TO 
11N65W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 22.7N 75.1W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 160 NM NE QUADRANT...90 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
270 NM NE QUADRANT...0 NM S SEMICIRCLE...AND 240 NM NW QUADRANT 
WITH SEAS TO 21 FT. ELSEWHERE WITHIN 21N71W TO 22N79W TO 27N76W 
TO 24N75W TO 27N72W TO 21N71W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA WITHIN 24N68W TO 21N68W TO 22N78W TO 31N78W TO
31N72W TO 24N68W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL.
.36 HOUR FORECAST HURRICANE ISAIAS NEAR 24.5N 77.1W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER.
.48 HOUR FORECAST HURRICANE ISAIAS NEAR 26.1N 78.5W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 50 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...60
NM SE QUADRANT...30 NM SW QUADRANT...AND 90 NM NW QUADRANT WITH 
SEAS TO 18 FT. ELSEWHERE WITHIN 26N75W TO 25N78W TO 25N80W TO 
29N78W TO 29N76W TO 26N75W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
REMAINDER OF AREA WITHIN 24N73W TO 24N80W TO 31N80W TO 31N76W TO 
28N73W TO 24N73W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT.
.72 HOUR FORECAST HURRICANE ISAIAS NEAR 29.2N 79.7W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE ISAIAS NEAR 33.3N 78.0W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 40.0N 71.0W. 
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 07N38W TO 08N37W TO 09N35W TO 07N35W WINDS
20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 24 HOUR FORECAST WITHIN 14N68W TO 13N69W TO 14N72W TO
17N71W TO 17N69W TO 14N68W...INCLUDING THE MONA PASSAGE...E TO 
SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.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.