623 
FZNT02 KNHC 201621
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU SEP 20 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU SEP 20.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 21.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC FROM 10N TO 18N BETWEEN 56W AND 62W...INCLUDING THE 
CARIBBEAN PASSAGES...WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE TO 
E SWELL. 
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.TROUGH FROM 14N49W TO 09N50W MOVING WNW 6 KT. FROM 10N TO 14N 
BETWEEN 45W AND 50W WINDS 20 TO 25 KT. SEAS TO 8 FT. SCATTERED 
MODERATE CONVECTION FROM 11N TO 14N BETWEEN 45W AND 50W. 
.24 HOUR FORECAST LOW PRES NEAR 12N52W 1012 MB. WITHIN 120 NM N 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.30 HOUR FORECAST LOW PRES NEAR 12N53W 1010 MB. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT. 

.ATLC 06 HOUR FORECAST N OF 30N BETWEEN 63W AND 70W SW WINDS 20 
TO 25 KT. SEAS TO 8 FT.  
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST LOW PRES NEAR 30N65W 1011 MB. OVER FORECAST 
WATERS N OF 30N BETWEEN 65W AND 71W WINDS 20 KT OR LESS. SEAS TO 
9 FT IN NE SWELL.
.48 HOUR FORECAST LOW PRES NEAR 29N66W 1012 MB. N OF 29N BETWEEN 
68W AND 72W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.ATLC 48 HOUR FORECAST COLD FRONT FROM 31N45W TO 28N49W TO 
29N59W. N OF 27N WITHIN 240 NM E OF FRONT SW WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. N OF 29N W OF FRONT TO 61W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL. 

.CARIBBEAN FROM 11N TO 15N BETWEEN 74W AND 77W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. FROM 12N TO 16N BETWEEN 65W AND 68W 
SE TO E WINDS 20 TO 25 KT. SEAS 8 FT. ELSEWHERE FROM 12N TO 16N 
BETWEEN 61.5W AND 67W...INCLUDING ATLC PASSAGES...AND FROM 12N 
TO 16N BETWEEN 77W AND 82W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
E SWELL.
.24 HOUR FORECAST FROM 11N TO 17N BETWEEN 67W AND 76W E WINDS 20 
TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 73W AND 77W E WINDS 20 
TO 25 KT. SEAS TO 10 FT. ELSEWHERE FROM 11N TO 17N BETWEEN 72W 
AND 81W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL. 

.GULF OF MEXICO 36 HOUR FORECAST FROM 19.5N TO 22N BETWEEN 88.5W 
AND 92W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

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

$$

.FORECASTER LATTO. NATIONAL HURRICANE CENTER.