000
FZNT02 KNHC 221551
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT AUG 22.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 23.
48 HOUR FORECAST VALID 1200 UTC MON AUG 24.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM MARCO NEAR 20.8N 85.3W 993 MB AT 1500 UTC AUG 22
MOVING NNW OR 340 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM E
SEMICIRCLE...10 NM SW QUADRANT AND 30 NM NW QUADRANT.  SEAS 12
FT WITHIN 30 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. ELSEWHERE WITHIN
20N84W TO 19N84W TO 20N86W TO 22N86W TO 23N85W TO 20N84W WINDS 
20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 18N85W TO
17N86W TO 18N87W TO 20N86W TO 19N84W TO 18N85W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE MARCO NEAR 22.1N 86.0W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. 
.24 HOUR FORECAST HURRICANE MARCO NEAR 23.9N 87.1W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 40 NM NW AND SE QUADRANTS...50 NM NE QUADRANT AND 20 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF HURRICANE AND 
TROPICAL STORM WINDS WITH SEAS TO 17 FT. ELSEWHERE WITHIN 22N86W 
TO 22N88W TO 24N89W TO 25N87W TO 24N85W TO 22N86W...INCLUDING THE
STRAITS OF FLORIDA AND THE YUCATAN CHANNEL...WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. 
.48 HOUR FORECAST HURRICANE MARCO NEAR 27.2N 89.9W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM NE QUADRANT...40 NM SE QUADRANT...20 NM SW 
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
AREA OF HURRICANE AND TROPICAL STORM WINDS WITH SEAS TO 25 FT. 
ELSEWHERE WITHIN 25N89W TO 26N92W TO 27N92W TO 29N90W TO 28N88W 
TO 25N89W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA 
WITHIN 25N90W TO 23N92W TO 24N94W TO 27N93W TO 26N92W TO 25N90W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.60 HOUR FORECAST TROPICAL STORM MARCO NEAR 28.5N 91.6W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. 
.72 HOUR FORECAST TROPICAL STORM MARCO NEAR 29.1N 93.6W. 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 29.3N 96.6W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST...DISSIPATED.

...TROPICAL STORM WARNING...
.TROPICAL STORM LAURA NEAR 17.8N 66.8W 1006 MB AT 1500 UTC AUG
22 MOVING W OR 280 DEG AT 16 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 17 FT. ELSEWHERE WITHIN 20N62W TO 17N63W TO
17N66W TO 21N68W TO 22N64W TO 20N62W WINDS 20 TO 33 KT. SEAS 10 
TO 12 FT. REMAINDER OF AREA WITHIN 21N60W TO 18N62W TO 21N62W TO 
23N66W TO 23N62W TO 21N60W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM LAURA INLAND NEAR 19.4N 72.6W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 150 NM NE QUADRANT...50 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
20N69W TO 20N74W TO 25N75W TO 25N74W TO 22N69W TO 20N69W WINDS 
20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 23N66W TO
20N68W TO 24N70W TO 25N73W TO 26N69W TO 23N66W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST TROPICAL STORM LAURA INLAND NEAR 22.4N 80.0W. 
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 WITHIN 
AREA OF TROPICAL STORM WINDS WITH SEAS TO 14 FT. ELSEWHERE WITHIN
23N75W TO 22N76W TO 24N82W TO 27N80W TO 26N77W TO 23N75W WINDS 
20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 26N74W TO
24N74W TO 25N76W TO 29N78W TO 28N75W TO 26N74W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE LAURA NEAR 25.2N 86.2W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST HURRICANE LAURA NEAR 27.9N 90.6W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. 
.120 HOUR FORECAST TROPICAL STORM LAURA INLAND NEAR 31.6N 92.5W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 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.

.CARIBBEAN 24 HOUR FORECAST WITHIN 15N68W TO 16N70W TO 18N71W TO
18N70W TO 18N66W TO 15N68W...INCLUDING THE MONA PASSAGE...E TO 
SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST WITHIN 13N71W TO 13N73W TO 15N74W TO 18N73W TO
17N71W TO 13N71W E WINDS 20 TO 25 KT. SEAS TO 8 FT.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.