000
FZNT02 KNHC 262207
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN SEP 26.
24 HOUR FORECAST VALID 1800 UTC MON SEP 27.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 28.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE SAM NEAR 14.2N 50.5W 938 MB AT 2100 UTC SEP 26 MOVING
NW OR 305 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 130 KT GUSTS 160
KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM E SEMICIRCLE...60 NM
SW QUADRANT AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WITH SEAS TO 43 FT.
ELSEWHERE WITHIN 14N48W TO 13N49W TO 14N52W TO 16N51W TO 16N48W 
TO 14N48W E WINDS 20 TO 33 KT. SEAS 12 TO 19 FT. REMAINDER OF 
AREA WITHIN 13N47W TO 11N50W TO 12N54W TO 18N53W TO 17N48W TO 
13N47W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL... 
EXCEPT PRIMARILY IN NE TO E SWELL FROM 11N TO 14N BETWEEN 47W AND
54W.
.24 HOUR FORECAST HURRICANE SAM NEAR 15.5N 52.5W. MAXIMUM 
SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO 42 FT. 
ELSEWHERE WITHIN 15N50W TO 14N52W TO 14N54W TO 18N54W TO 18N53W 
TO 15N50W WINDS 20 TO 33 KT. SEAS 11 TO 18 FT. REMAINDER OF AREA 
WITHIN 15N49W TO 13N52W TO 14N57W TO 19N56W TO 18N49W TO 15N49W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL...EXCEPT 
PRIMARILY IN NE TO E SWELL FROM 13N TO 16N BETWEEN 49W AND 57W.
.48 HOUR FORECAST HURRICANE SAM NEAR 17.2N 54.7W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E SEMICIRCLE...70 NM SW QUADRANT AND 80 NM NW 
QUADRANT. LITTLE CHANGE IN RADII OF SEAS 12 FT OR GREATER WITH 
SEAS TO 42 FT. ELSEWHERE WITHIN 16N54W TO 15N55W TO 17N56W TO 
19N55W TO 19N54W TO 16N54W WINDS 20 TO 33 KT. SEAS 11 TO 18 FT 
REMAINDER OF AREA WITHIN 16N50W TO 14N56W TO 17N59W TO 21N58W TO 
22N51W TO 16N50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL...EXCEPT PRIMARILY IN NE TO E SWELL FROM 14N TO 17N BETWEEN
50W AND 59W.
.72 HOUR FORECAST HURRICANE SAM NEAR 19.2N 57.4W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE SAM NEAR 22.1N 60.5W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE SAM NEAR 26.6N 62.9W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 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.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.