000
FZNT02 KNHC 201006
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI OCT 20 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI OCT 20.
24 HOUR FORECAST VALID 0600 UTC SAT OCT 21.
48 HOUR FORECAST VALID 0600 UTC SUN OCT 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N66W TO 29N70W TO 27N73W THEN STATIONARY 
FRONT TO 26N76W TO 25N78W. N OF 30N BETWEEN 60W AND 65W SW WINDS 
20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N55W TO 29N57W TO 28N62W TO 
26N63W AND TROUGH 26N73W TO 25N80W. N OF 30N BETWEEN 53W AND 56W 
WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE AND NE SWELL.
.30 HOUR FORECAST WEAKENING COLD FRONT FROM 31N52W TO 29N59W TO 
26N62W AND TROUGH TO 26N73W TO 25N80W. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC FROM 09N TO 15N BETWEEN 55W AND 62W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN NE SWELL.
.24 HOUR FORECAST FROM 11N TO 13N BETWEEN 57W AND 61 WINDS 20 KT 
OR LESS. SEAS TO 8 FT IN MIXED NE AND NW SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC TROPICAL WAVE FROM 18N40W TO 14N42W TO 07N43W. FROM 14N TO 
TO 17N BETWEEN 37W AND 40W E TO SE WINDS 20 TO 25 KT. SEAS 9 FT. 
ELSEWHERE FROM 11N TO 18N E OF 41W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT IN MIXED N AND NE SWELL.
.24 HOUR FORECAST TROPICAL WAVE ALONG 46W/47W S OF 20N. FROM 12N 
TO 17N E OF 42W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. FROM 
14N TO 17N BETWEEN 42W AND 46W E TO SE WINDS 20 TO 25 KT. SEAS 8 
TO 9 FT. ELSEWHERE FROM 08N TO 19N E OF 46W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL WAVE ALONG 52W/53W S OF 20N. S OF 16N 
BETWEEN 38W AND 50W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED
SWELL. 

.ATLC 15 HOUR FORECAST S OF 21N BETWEEN 70W AND 72W E WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 20N TO 21N BETWEEN 72W AND 73W SE WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 21N BETWEEN 73W AND 75W...INCLUDING 
ENTRANCE TO WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
  
.CARIBBEAN FROM 11N TO 18N BETWEEN 63W AND 73W E TO SE WINDS 20 
TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE FROM 11N TO 18N BETWEEN 62W 
AND 76W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. 
.24 HOUR FORECAST FROM 12N TO 18N BETWEEN 65W AND 77W E TO SE 
WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. FROM 17N TO 18N BETWEEN 78W 
AND 79W E TO SE WINDS 20 TO 25 KT. SEAS 8 FT. ELSEWHERE FROM 12N 
TO 18N BETWEEN 63W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN MIXED NE AND NW SWELL. 
.48 HOUR FORECAST FROM 12N TO 18N BETWEEN 68W AND 79W E WINDS 20 
TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE FROM 11N TO 18N BETWEEN 65W 
AND 82W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED N AND NE 
SWELL.

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

$$
.FORECASTER MT. NATIONAL HURRICANE CENTER.