000
FZNT02 KNHC 200806
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT JAN 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT JAN 20.
24 HOUR FORECAST VALID 0600 UTC SUN JAN 21.
48 HOUR FORECAST VALID 0600 UTC MON JAN 22.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN FROM 10N TO 15N BETWEEN 70W AND 80W NE TO E WINDS 20 
TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST FROM 10N TO 13N BETWEEN 74W AND 76W NE WINDS 
30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 
69W AND 79W NE TO E WINDS 20 TO 30 KT. SEAS TO 10 FT. FROM 10N 
TO 16N BETWEEN 79W AND 82W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
E SWELL. 
.30 HOUR FORECAST FROM 10N TO 13N BETWEEN 74W AND 77W NE WINDS 
25 TO 30 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10.5N TO 18N 
BETWEEN 69W AND 80W NE TO E WINDS 20 TO 30 KT. SEAS TO 11 FT. 
FROM 10N TO 16N BETWEEN 80W AND 83W WINDS 20 KT OR LESS. SEAS TO 
9 FT IN E SWELL. 
.48 HOUR FORECAST FROM 10N TO 13N BETWEEN 72W AND 75W NE WINDS 
25 TO 30 KT. SEAS TO 11 FT. ELSEWHERE FROM 10.5N TO 18N BETWEEN 
70W AND 79W NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT. FROM 09.5N 
TO 17N BETWEEN 79W AND 82W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
E SWELL.  

.SYNOPSIS AND FORECAST.
 
.ATLC COLD FRONT FROM 31N48W TO 23N60W THEN STATIONARY TO 
20N75W. S OF 21N BETWEEN 72W AND 74W...INCLUDING ATLC APPROACH 
TO WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
ELSEWHERE WITHIN AREA BOUNDED BY LINE FROM 31N67W TO 31N50W TO 
21N70W TO 23N73W TO 31N67W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT 
PRIMARILY IN NW SWELL...HIGHEST SEAS NEAR 31N56W.  
.24 HOUR FORECAST COLD FRONT FROM 31N41W TO 24N58W THEN FRONTAL 
TROUGH TO 22N77W. S OF 22N BETWEEN 71W AND 75W...INCLUDING ATLC 
APPROACH TO WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT. WITHIN AREA BOUNDED BY LINE FROM 31N56W TO 31N38W TO 
22N65W TO 22N62W TO 21N71W TO 23N73W TO 25N60W TO 31N56W WINDS 
20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW SWELL...HIGHEST 
SEAS NEAR 31N42W.  
.48 HOUR FORECAST TROUGH FROM 31N37W TO 23N42W...SECOND TROUGH 
FROM 24N74W TO 22N78W. S OF 24N BETWEEN 75W AND 80W NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. WITHIN AREA BOUNDED BY 
LINE FROM 31N41W TO 29N35W TO 31N41W WINDS 20 KT OR LESS. SEAS 
TO 8 FT PRIMARILY IN NW SWELL.  

.ATLC WITHIN AREA BOUNDED BY 20N35W TO 11N35W TO 14N44W TO 
21N35W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. 
.24 HOUR FORECAST WITHIN 180 NM OF 13N47W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED SWELL.  
.48 HOUR FORECAST FROM 10N TO 18N BETWEEN 47W AND 60W WINDS 20 
KT OR LESS. SEAS TO 8 FT PRIMARILY IN N SWELL.

.CARIBBEAN FRONTAL TROUGH FROM 20N75W TO 16N84W. N OF 17N 
BETWEEN 73W AND 83W...INCLUDING CARIBBEAN APPROACH TO WINDWARD 
PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. SCATTERED TSTMS S 
OF 13N BETWEEN 80W AND 83.5W.  
.24 HOUR FORECAST TROUGH DIFFUSE. N OF 19N BETWEEN 73W AND 
82W...INCLUDING CARIBBEAN APPROACH TO WINDWARD PASSAGE...NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST CONDITIONS MERGE.

.GULF OF MEXICO TROUGH FROM 28N97W TO 20N96W. N OF 26N WITHIN 
120 NM E OF TROUGH SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.06 HOUR FORECAST TROUGH INLAND. WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT.

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.