000
FZNT02 KNHC 300403
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU JUL 30.
24 HOUR FORECAST VALID 0000 UTC FRI JUL 31.
48 HOUR FORECAST VALID 0000 UTC SAT AUG  1.

.WARNINGS.

...ATLC AND CARIBBEAN TROPICAL STORM WARNING...
.TROPICAL STORM ISAIAS NEAR 15.8N 67.0W 1004 MB AT 0300 UTC JUL 
30 MOVING WNW OR 285 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 300 NM NE AND 120 
NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 420 NM NE QUADRANT 
WITH SEAS TO 20 FT. ELSEWHERE FROM 15N TO 24N BETWEEN 59W AND 71W
WINDS 20 TO 35 KT. SEAS 9 TO 12 FT. REMAINDER AREA FROM 10N TO 
25N BETWEEN 54W AND 68W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 19.4N 72.2W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 180 NM NE...40 NM SE...0 NM SW AND 120 NM NW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 420 NM NE AND 240 NM NW 
QUADRANTS WITH SEAS TO 24 FT. ELSEWHERE FROM 19N TO 25N BETWEEN 
66W AND 78W...INCLUDING WINDWARD PASSAGE...WINDS 20 TO 35 KT. 
SEAS 9 TO 12 FT. REMAINDER AREA FROM 18N TO 28N BETWEEN 75W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 22.9N 77.3W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 140 NM NE...50 NM SE...0 NM SW AND 90 NM NW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 300 NM NE QUADRANT WITH 
SEAS TO 20 FT. ELSEWHERE FROM 21N TO 27N BETWEEN 71W AND 80W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER AREA FROM 20N TO 
31N BETWEEN 69W AND 79W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM ISAIAS INLAND NEAR 26.6N 80.2W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM ISAIAS INLAND NEAR 30.0N 80.5W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM ISAIAS INLAND NEAR 35.0N 
77.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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 AND CARIBBEAN S OF 21N BETWEEN 72W AND 76W...INCLUDING 
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. 
.12 HOUR FORECAST CONDITIONS MERGED.

.CARIBBEAN 36 HOUR FORECAST WITHIN 13N69W TO 13N70W TO 14N71W TO
15N69W TO 14N68W TO 13N69W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 
9 FT. WITHIN 14N68W TO 14N71W TO 16N71W TO 18N70W TO 18N68W TO 
14N68W WINDS 20 KT OR LESS. SEAS 8 FT IN E TO SE SWELL.
.48 HOUR FORECAST WITHIN 13N69W TO 12N70W TO 14N70W TO 14N69W TO
13N69W E WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 13N70W TO 15N72W 
TO 16N71W TO 15N70W TO 13N70W E WINDS 20 TO 25 KT. SEAS 8 FT IN E
SWELL.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.