000
FZNT02 KNHC 300932
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU JUL 30.
24 HOUR FORECAST VALID 0600 UTC FRI JUL 31.
48 HOUR FORECAST VALID 0600 UTC SAT AUG  1.

.WARNINGS.

...ATLC AND CARIBBEAN TROPICAL STORM WARNING...
.TROPICAL STORM ISAIAS NEAR 17.2N 67.9W 1003 MB AT 0900 UTC JUL 
30 MOVING NW OR 305 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 360 NM NE...60 NM 
SE QUADRANT...0 NM SW AND 240 NM NW QUADRANTS. SEAS 12 FT OR 
GREATER WITHIN 420 NM NE AND 300 NM NW QUADRANTS WITH SEAS TO 23 
FT. ELSEWHERE FROM 15N TO 23N BETWEEN 61W AND 73W WINDS 20 TO 35 
KT. SEAS 9 TO 12 FT. REMAINDER AREA FROM 11N TO 26N BETWEEN 56W 
AND 72W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 20.6N 72.9W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 180 NM NE...90 NM SE...0 NM SW AND 150 NM NW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 420 NM NE AND 240 NM NW 
QUADRANTS WITH SEAS TO 25 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 29N BETWEEN 63W AND 
75W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 24.0N 77.9W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 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 300 NM NE AND 
120 NM QUADRANTS WITH SEAS TO 20 FT. ELSEWHERE FROM 22N TO 27N 
BETWEEN 72W AND 80W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
REMAINDER AREA FROM 21N TO 31N BETWEEN 70W AND 80W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 27.3N 80.0W.
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 31.0N 80.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM ISAIAS NEAR 37.0N 74.5W.
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 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 24 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 13N70W TO 15N72W TO 16N71W TO 15N70W TO 
13N70W WINDS 20 KT OR LESS. SEAS 8 FT IN E SWELL.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.