000
FZNT02 KNHC 300408
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU SEP 30 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU SEP 30.
24 HOUR FORECAST VALID 0000 UTC FRI OCT  1.
48 HOUR FORECAST VALID 0000 UTC SAT OCT  2.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE SAM NEAR 20.6N 58.4W 940 MB AT 0300 UTC SEP 30 MOVING
NW OR 315 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 125 KT GUSTS 150
KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE QUADRANT...120 
NM SE QUADRANT...90 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS
12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE...135 NM SE QUADRANT
AND 150 NM SW QUADRANT WITH SEAS TO 41 FT. ELSEWHERE WITHIN 
19N56W TO 19N59W TO 20N60W TO 23N59W TO 22N55W TO 19N56W WINDS 20
TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 18N55W TO 
17N61W TO 21N62W TO 25N58W TO 25N54W TO 18N55W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE SAM NEAR 24.1N 60.9W. MAXIMUM 
SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM E SEMICIRCLE...90 NM SW QUADRANT AND 100 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 200 NM IN W SEMICIRCLE AND
180 IN E SEMICIRCLE WITH SEAS TO 42 FT. ELSEWHERE WITHIN 24N58W 
TO 22N62W TO 25N63W TO 27N61W TO 26N59W TO 24N58W WINDS 20 TO 33 
KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 20N57W TO 19N66W 
TO 28N63W TO 29N59W TO 25N54W TO 20N57W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE SAM NEAR 29.6N 61.8W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM W SEMICIRCLE...140 NM NE QUADRANT AND 150 NM SE 
QUADRANT. SEAS 12 FT OR GREATER 240 NM IN W SEMICIRCLE AND 200 NM
IN E SEMICIRCLE WITH SEAS TO 43 FT. ELSEWHERE WITHIN 28N59W TO 
28N62W TO 29N64W TO 31N64W TO 31N58W TO 28N59W WINDS 20 TO 33 KT.
SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 24N57W TO 23N62W TO 
24N73W TO 31N70W TO 31N54W TO 24N57W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE SAM NEAR 34.3N 59.2W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE SAM NEAR 37.5N 54.5W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE SAM NEAR 42.0N 48.5W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 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 12 HOUR FORECAST WITHIN 28N59W TO 28N62W TO 29N64W TO
31N64W TO 31N58W TO 28N59W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
E SWELL. 
.24 HOUR FORECAST WITHIN 14N35W TO 16N40W TO 26N42W TO 29N41W TO
29N35W TO 14N35W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST WITHIN 07N35W TO 15N48W TO 22N47W TO 26N42W TO
28N35W TO 07N35W NE TO E WINDS 20 TO 30 KT...IN ASSOCIATION WITH
T.S. VICTOR APPROACHING THE AREA FROM THE EAST. SEAS 8 TO 11 FT.

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

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.