000
FZNT02 KNHC 281539
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON AUG 28 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28.
24 HOUR FORECAST VALID 1200 UTC TUE AUG 29.
48 HOUR FORECAST VALID 1200 UTC WED AUG 30.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE FRANKLIN NEAR 27.8N 71.0W 937 MB AT 1500 UTC AUG 28 
MOVING NNW OR 350 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 125 KT 
GUSTS 150 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM S 
SEMICIRCLE...130 NM NE QUADRANT AND 80 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 240 NM NE QUADRANT...180 NM SE QUADRANT... 
135 NM SW QUADRANT...AND 210 NM NW QUADRANT WITH SEAS TO 33 FT.
ELSEWHERE WITHIN 210 NM OF CENTER...EXCEPT 150 NM SW QUADRANT 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT N OF 24N BETWEEN 65W AND 76W 
AND E OF THE BAHAMAS.
.24 HOUR FORECAST HURRICANE FRANKLIN NEAR 30.7N 70.8W. MAXIMUM 
SUSTAINED WINDS 130 KT GUSTS 160 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM E SEMICIRCLE...100 NM SW QUADRANT AND 90 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER...EXCEPT 
120 NM SW QUADRANT WITH SEAS TO 36 FT. ELSEWHERE WITHIN 240 NM E 
SEMICIRCLE...210 SW QUADRANT AND 150 NM NW QUADRANT WINDS 20 TO 
33 KT. OVER FORECAST WATERS SEAS 8 TO 12 FT N OF 26N BETWEEN 64W 
AND 78W AND E OF THE BAHAMAS.
.48 HOUR FORECAST HURRICANE FRANKLIN N OF AREA NEAR 34.5N 67.4W. 
MAXIMUM SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM 
FORCE WINDS WITHIN 130 NM NE QUADRANT...140 NM SE QUADRANT...120 
NM SW QUADRANT...AND 90 NM NW QUADRANT. OVER FORECAST WATERS N 
OF 30N BETWEEN 65W AND 71W SW TO W WINDS 20 TO 30 KT. SEAS 10 TO 
14 FT. ELSEWHERE N OF 27N BETWEEN 62W AND 72W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE FRANKLIN NEAR 38.7N 59.9W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FRANKLIN NEAR 44.5N 49.7W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FRANKLIN NEAR 
51.8N 39.8W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM IDALIA NEAR 20.8N 85.2W 990 MB AT 1500 UTC AUG 
28 MOVING N OR 360 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 55 KT 
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM W 
SEMICIRCLE...70 NM NE QUADRANT AND 90 NM SE QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 30 NM NW AND SE QUADRANTS...60 NM NE QUADRANT 
AND 0 NM SW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE N OF 18N 
BETWEEN 81W AND 86W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.12 HOUR FORECAST HURRICANE IDALIA NEAR 22.0N 85.2W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE IDALIA NEAR 23.9N 85.1W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
105 NM N SEMICIRCLE AND 120 NM SE QUADRANT WITH SEAS TO 22 FT. 
ELSEWHERE OVER FORECAST WATERS WITHIN 210 NM E AND 120 NM W 
SEMICIRCLES WINDS 20 TO 33 KT . SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE IDALIA NEAR 29.2N 83.5W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...150 NM SE QUADRANT...90 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
90 NM NE AND SW...210 NM SE AND 180 NM NW QUADRANTS WITH SEAS TO 
38 FT. ELSEWHERE FROM 23N TO 26N BETWEEN 80W AND 87W...AND N OF 
26N E OF 90W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. IN THE STRAITS 
OF FLORIDA S WINDS 20 TO 25 KT. SEAS 8 FT.
.60 HOUR FORECAST TROPICAL STORM IDALIA INLAND NEAR 31.9N 81.2W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.72 HOUR FORECAST TROPICAL STORM IDALIA OVER WATER NEAR 33.6N 
78.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IDALIA NEAR 34.6N 71.2W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM IDALIA NEAR 34.5N 67.0W.
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.

.CARIBBEAN 24 HOUR FORECAST FROM 12N TO 15N BETWEEN 68W AND 73W 
E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 70W AND 76W... 
INCLUDING THE GULF OF VENEZUELA...NE TO E E WINDS 20 TO 25 KT. 
SEAS TO 8 FT.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.