000
FZNT02 KNHC 200229
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT JAN 20.
24 HOUR FORECAST VALID 0000 UTC SUN JAN 21.
48 HOUR FORECAST VALID 0000 UTC MON JAN 22.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN FROM 10N TO 15N BETWEEN 70W AND 81W NE TO E WINDS 20 
TO 30 KT. SEAS TO 11 FT.
.24 HOUR FORECAST FROM 10N TO 16N BETWEEN 69W AND 77W NE WINDS 
20 TO 30 KT. SEAS 8 TO 11 FT. FROM 0N TO 16N BETWEEN 77W AND 81W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL.
.30 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 78W NE TO E WINDS 20 TO 30 KT. SEAS TO 10 FT. FROM 10N 
TO 16N BETWEEN 78W AND 82W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
E SWELL. 
.36 HOUR FORECAST FROM 10N TO 13N BETWEEN 74W AND 77W NE WINDS 
25 TO 30 KT. SEAS 10 TO 13 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 78W NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT. FROM 09.5N 
TO 17N BETWEEN 78W AND 82W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
E SWELL.  

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N50W TO 23N65W 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 31N70W TO 31N53W TO 
21N71W TO 23N73W TO 31N70W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT 
PRIMARILY IN NW SWELL...HIGHEST SEAS NEAR 31N58W.  
.24 HOUR FORECAST COLD FRONT FROM 31N43W TO 25N51W 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 31N59W TO 31N40W TO 
22N65W TO 21N62W TO 23N74W TO 26N61W TO 31N59W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT PRIMARILY IN NW SWELL...HIGHEST SEAS NEAR 
31N44W.  
.48 HOUR FORECAST TROUGH FROM 31N38W TO 23N43W...SECOND TROUGH 
FROM 24N75W TO 22N78W. S OF 25N BETWEEN 76W AND 80W AND S OF 22N 
BETWEEN 71W AND 75W...INCLUDING ATLC APPROACH TO WINDWARD 
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. WITHIN 
AREA BOUNDED BY LINE FROM 31N45W TO 31N35W TO 28N35W TO 24N55W 
TO 31N45W WINDS 20 KT OR LESS. SEAS TO 8 FT PRIMARILY IN NW 
SWELL.  

.ATLC WITHIN AREA BOUNDED BY 21N35W TO 10N35W TO 14N44W TO 
21N35W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. 
.24 HOUR FORECAST FROM 12N TO 17N BETWEEN 35W AND 41W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN MIXED SWELL.  
.48 HOUR FORECAST FROM 10N TO 18N BETWEEN 49W AND 59W WINDS 20 
KT OR LESS. SEAS TO 8 FT PRIMARILY IN N SWELL.

.CARIBBEAN FRONTAL TROUGH FROM 20N75W TO 16N83W. N OF 18N 
BETWEEN 73W AND 81W...INCLUDING CARIBBEAN APPROACH TO WINDWARD 
PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. SCATTERED TSTMS S 
OF 15N BETWEEN 79W AND 83.5W.  
.24 HOUR FORECAST TROUGH DIFFUSE. N OF 17N BETWEEN 71W AND 
83W...INCLUDING CARIBBEAN APPROACH TO WINDWARD PASSAGE...NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST CONDITIONS MERGE.

.GULF OF MEXICO TROUGH FROM 28N97W TO 19N95W. N OF 25N WITHIN 
120 NM E OF TROUGH SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.12 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.