000
FZNT02 KNHC 300954
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU SEP 30.
24 HOUR FORECAST VALID 0600 UTC FRI OCT  1.
48 HOUR FORECAST VALID 0600 UTC SAT OCT  2.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE SAM NEAR 21.5N 59.1W 937 MB AT 0900 UTC SEP 30 MOVING
NW OR 320 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 110 NM NW QUADRANT. SEAS
12 FT OR GREATER WITHIN 150 NM OF CENTER EXCEPT 180 NM NE 
QUADRANT WITH SEAS TO 41 FT. ELSEWHERE WITHIN 19N57W TO 19N60W TO
22N61W TO 24N57W TO 22N56W TO 19N57W WINDS 20 TO 33 KT. SEAS 10 
TO 12 FT. REMAINDER OF AREA WITHIN 19N54W TO 17N61W TO 19N64W TO 
27N60W TO 24N53W TO 19N54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE SAM NEAR 25.6N 61.4W. MAXIMUM 
SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM E SEMICIRCLE...90 NM SW QUADRANT AND 110 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER EXCEPT 
180 NM IN SE QUADRANT WITH SEAS TO 45 FT. ELSEWHERE WITHIN 23N60W
TO 24N63W TO 27N63W TO 28N62W TO 27N59W TO 23N60W WINDS 20 TO 33
KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 25N53W TO 21N58W 
TO 20N66W TO 31N65W TO 31N55W TO 25N53W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE SAM NEAR 31.1N 61.3W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM E SEMICIRCLE AND 120 NM W SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 240 NM OF CENTER WITH SEAS TO 43 FT. ELSEWHERE 
WITHIN 28N59W TO 28N62W TO 29N66W TO 31N66W TO 31N57W TO 28N59W 
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 
26N55W TO 24N63W TO 26N76W TO 30N74W TO 31N53W TO 26N55W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE SAM NEAR 35.5N 58.0W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE SAM NEAR 38.7N 52.6W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SAM NEAR 44.3N 
45.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 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 WITHIN 16N35W TO 20N37W TO 23N39W TO 30N38W TO 30N35W TO
16N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 11N35W TO 14N44W TO 21N47W TO 28N43W TO
28N35W TO 11N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E
SWELL.
.48 HOUR FORECAST WITHIN 11N35W TO 13N38W TO 15N38W TO 17N36W TO
17N35 TO 11N35W NE TO E WINDS 20 TO 30 KT...IN ASSOCIATION WITH 
T.S. VICTOR APPROACHING AREA FROM THE EAST. SEAS 10 TO 12 FT. 
ELSEWHERE WITHIN 07N35W TO 12N49W TO 20N53W TO 26N47W TO 29N35W 
TO 07N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. 

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

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.