000
FZNT02 KNHC 261609
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN SEP 26.
24 HOUR FORECAST VALID 1200 UTC MON SEP 27.
48 HOUR FORECAST VALID 1200 UTC TUE SEP 28.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE SAM NEAR 13.9N 50.2W 943 MB AT 1500 UTC SEP 26 MOVING
WNW OR 290 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 125 KT GUSTS 150
KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM E SEMICIRCLE...50 NM
SW QUADRANT AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
90 NM S SEMICIRCLE...150 NM NE QUADRANT AND 120 NM NW QUADRANT 
WITH SEAS TO 43 FT. ELSEWHERE WITHIN 13N49W TO 14N52W TO 15N51W 
TO 16N49W TO 15N47W TO 13N49W WINDS 20 TO 33 KT. SEAS 10 TO 19 
FT. REMAINDER OF AREA WITHIN 10N49W TO 12N56W TO 19N53W TO 19N49W
TO 15N47W TO 10N49W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL.
.24 HOUR FORECAST HURRICANE SAM NEAR 15.2N 52.4W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NE QUADRANT...80 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
WITHIN 180 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO 
42 FT. ELSEWHERE WITHIN 15N50W TO 13N51W TO 14N54W TO 18N53W TO 
17N50W TO 15N50W WINDS 20 TO 33 KT. SEAS 11 TO 17 FT. REMAINDER 
OF AREA WITHIN 13N49W TO 10N52W TO 16N58W TO 20N56W TO 20N50W TO 
13N49W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL... 
EXCEPT PRIMARILY IN NE TO E SWELL FROM 10N TO 15N BETWEEN 49W
AND 58W.
.48 HOUR FORECAST HURRICANE SAM NEAR 16.8N 54.6W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E SEMICIRCLE...70 NM SW QUADRANT AND 80 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER WITH SEAS
TO 41 FT. ELSEWHERE WITHIN 15N53W TO 16N57W TO 18N57W TO 19N54W 
TO 18N52W TO 15N53W WINDS 20 TO 33 KT. SEAS 11 TO 17 FT. 
REMAINDER OF AREA WITHIN 17N50W TO 09N56W TO 13N60W TO 23N58W TO 
23N52W TO 17N50W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED 
50W SWELL...EXCEPT PRIMARILY IN NE TO E SWELL FROM 09N TO 17N 
BETWEEN 50W AND 60W.
.72 HOUR FORECAST HURRICANE SAM NEAR 18.6N 57.1W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE SAM NEAR 21.4N 60.3W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE SAM NEAR 25.6N 63.1W. 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.