000
FZNT02 KNHC 221019
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT AUG 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT AUG 22.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 23.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 24.

.WARNINGS.
 
...ATLC AND CARIBBEAN SEA TROPICAL STORM WARNING...
.TROPICAL STORM LAURA NEAR 17.6N 65.5W 1007 MB AT 0900 UTC AUG 
22 MOVING W OR 280 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM E 
SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
30 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 0 NM SW 
QUADRANT WITH SEAS TO 16 FT. ELSEWHERE WITHIN 17N59W TO 17N62W 
TO 19N62W TO 21N61W TO 19N59W TO 17N59W WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT. REMAINDER OF AREA WITHIN 18N56W TO 17N59W TO 20N62W 
TO 22N59W TO 21N57W TO 18N56W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM LAURA INLAND NEAR 19.1N 71.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 150 NM NE QUADRANT...100 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
AREA OF TROPICAL STORM WINDS WITH SEAS TO 17 FT. ELSEWHERE 
WITHIN 19N66W TO 18N67W TO 20N70W TO 23N70W TO 24N66W TO 19N66W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 
22N62W TO 19N64W TO 21N64W TO 23N68W TO 24N65W TO 22N62W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM LAURA INLAND NEAR 21.6N 78.3W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 120 NM NE QUADRANT...60 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS WITHIN 90 NM NE QUADRANT WITH SEAS TO 16 FT. 
ELSEWHERE WITHIN 20N76W TO 22N80W TO 25N77W TO 24N74W TO 23N75W 
TO 20N76W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA 
WITHIN 23N68W TO 21N71W TO 24N75W TO 27N73W TO 26N69W TO 23N68W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM LAURA OVER WATER NEAR 24.6N 
84.7W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. EXTENDED 
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LAURA NEAR 27.5N 89.5W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST TROPICAL STORM LAURA INLAND NEAR 31.0N 92.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

...CARIBBEAN AND GULF OF MEXICO TROPICAL STORM WARNING... 
.TROPICAL STORM MARCO NEAR 19.6N 85.4W 1005 MB AT 0900 UTC AUG 
22 MOVING NNW OR 335 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER 
EXCEPT 60 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF 
CENTER EXCEPT 30 NM NE QUADRANT WITH SEAS TO 14 FT. ELSEWHERE 
WITHIN 16N84W TO 16N85W TO 19N85W TO 21N84W TO 17N83W TO 16N84W 
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM MARCO OVER GULF OF MEXICO NEAR 
22.5N 87.1W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL 
STORM FORCE WINDS WITHIN 70 NM NE QUADRANT...40 NM SE QUADRANT
...30 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN AREA OF TROPICAL STORM WINDS WITH SEAS TO 19 
FT. ELSEWHERE WITHIN 19N85W TO 19N88W TO 21N87W TO 24N86W TO 
21N85W TO 19N85W...INCLUDING YUCATAN CHANNEL...WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM MARCO NEAR 25.7N 89.9W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 30 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM NE AND 60 NM SW
SEMICIRCLES WITH SEAS TO 24 FT. ELSEWHERE WITHIN 22N87W TO 22N90W TO 
24N90W TO 24N88W TO 23N86W TO 22N87W WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM MARCO NEAR 28.3N 93.4W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM MARCO INLAND NEAR 29.1N 96.2W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW MARCO WELL
INLAND NEAR 29.6N 97.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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.

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

$$ 
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.