000
FZNT02 KNHC 241543
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON AUG 24.
24 HOUR FORECAST VALID 1200 UTC TUE AUG 25.
48 HOUR FORECAST VALID 1200 UTC WED AUG 26.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM LAURA NEAR 21.2N 80.6W 1002 MB AT 1500 UTC AUG
24 MOVING WNW OR 285 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM W
SEMICIRCLE...150 NM NE QUADRANT AND 140 NM SE QUADRANT. SEAS 12 
FT WITHIN 0 NM OF CENTER EXCEPT 330 NM NE QUADRANT. ELSEWHERE WITHIN
22N76W TO 20N78W TO 21N81W TO 25N82W TO 26N79W TO 22N76W WINDS 
20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 26N73W 
TO 23N73W TO 23N75W TO 28N79W TO 29N75W TO 26N73W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM LAURA NEAR 23.6N 86.0W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM NE QUADRANT...140 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
AREA OF TROPICAL STORM WINDS WITH SEAS TO 27 FT. ELSEWHERE WITHIN
24N82W TO 21N86W TO 26N88W TO 28N85W TO 28N84W TO 24N82W WINDS 
20 TO 33 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST HURRICANE LAURA NEAR 25.2N 88.8W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.48 HOUR FORECAST HURRICANE LAURA NEAR 26.8N 91.1W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM E SEMICIRCLE...50 NM SW QUADRANT AND 100 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF HURRICANE AND 
TROPICAL STORM WINDS WITH SEAS TO 28 FT. ELSEWHERE WITHIN 27N88W 
TO 26N90W TO 27N93W TO 29N92W TO 28N88W TO 27N88W WINDS 20 TO 33 
KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 23N90W TO 24N95W 
TO 28N95W TO 30N87W TO 26N87W TO 23N90W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE LAURA INLAND NEAR 31.2N 93.3W. 
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION LAURA INLAND NEAR 36.0N 
90.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW LAURA NEAR 37.5N 
81.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM MARCO NEAR 28.4N 88.6W 1006 MB AT 1500 UTC AUG
24 MOVING NNW OR 330 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 90 NM NE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 60 NM OF
CENTER WITH SEAS TO XX FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW MARCO INLAND NEAR 
30.0N 91.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 
29N92W TO 29N93W TO 30N93W TO 30N92W TO 30N91W TO 29N92W WINDS 
20 TO 30 KT. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW MARCO INLAND N OF 
AREA. WINDS 20 KT OF LESS. SEAS LESS THAT 8 FT.

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 24 HOUR FORECAST WITHIN 19N35W TO 19N36W TO 20N37W TO
24N36W TO 24N35W TO 19N35W WINDS 20 KT OR LESS. SEAS TO 9 FT.
.48 HOUR FORECAST WITHIN 17N35W TO 18N40W TO 19N41W TO 22N40W TO
21N35W TO 17N35W WINDS 20 KT OR LESS. SEAS TO 9 FT.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.