000
FZNT02 KNHC 260319
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN SEP 26.
24 HOUR FORECAST VALID 0000 UTC MON SEP 27.
48 HOUR FORECAST VALID 0000 UTC TUE SEP 28.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE SAM NEAR 13.5N 49.0W 943 MB AT 0300 UTC SEP 26 MOVING
WNW OR 295 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 125 KT GUSTS 150
KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE QUADRANT...90 NM
SE QUADRANT...40 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS
12 FT OR GREATER WITHIN 135 NM N SEMICIRCLE...90 NM SE QUADRANT
AND 120 NM SW QUADRANT WITH SEAS TO 30 FT. ELSEWHERE WITHIN 
13N47W TO 12N48W TO 14N50W TO 15N49W TO 14N47W TO 13N47W WINDS 
20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 14N46W 
TO 10N48W TO 11N52W TO 15N53W TO 19N50W TO 14N46W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE SAM NEAR 14.7N 51.0W. MAXIMUM 
SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E SEMICIRCLE...50 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 31 FT. ELSEWHERE WITHIN 14N48W 
TO 13N50W TO 15N53W TO 17N51W TO 16N49W TO 14N48W WINDS 20 TO 33 
KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 13N47W TO 09N52W 
TO 15N56W TO 19N55W TO 18N48W TO 13N47W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE SAM NEAR 16.3N 53.2W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E SEMICIRCLE...60 NM SW QUADRANT AND 80 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER WITH SEAS
TO 36 FT. ELSEWHERE WITHIN 16N51W TO 15N54W TO 18N55W TO 19N53W 
TO 18N51W TO 16N51W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA WITHIN 15N49W TO 11N52W TO 14N58W TO 22N56W TO 
21N50W TO 15N49W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL.
.72 HOUR FORECAST HURRICANE SAM NEAR 18.0N 55.6W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE SAM NEAR 20.1N 58.5W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE SAM NEAR 23.7N 61.4W. 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 ERA. NATIONAL HURRICANE CENTER.