000
FZNT02 KNHC 210810
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN JAN 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN JAN 21.
24 HOUR FORECAST VALID 0600 UTC MON JAN 22.
48 HOUR FORECAST VALID 0600 UTC TUE JAN 23.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN FROM 11N TO 13N BETWEEN 74W AND 77W NE WINDS 25 TO 35 
KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 18N BETWEEN 69W AND 
79W NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT. FROM 10N TO 16N 
BETWEEN 79W AND 82W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY 
IN E SWELL. 
.06 HOUR FORECAST FROM 10N TO 18N BETWEEN 69W AND 79W NE WINDS 
20 TO 30 KT. SEAS 10 TO 14 FT. FROM 09N TO 16N BETWEEN 79W AND 
82W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN E SWELL.
.24 HOUR FORECAST FROM 11N TO 18N BETWEEN 69W AND 79W NE WINDS 
20 TO 30 KT. SEAS 8 TO 13 FT. FROM 09N TO 17N BETWEEN 79W AND 
83W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN E SWELL. 
.48 HOUR FORECAST FROM 11N TO 15N BETWEEN 71W AND 78W NE TO E 
WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 10N TO 17N 
BETWEEN 70W AND 82W WINDS 20 KT OR LESS. SEAS TO 10 FT IN E 
SWELL.  

.SYNOPSIS AND FORECAST.
 
.ATLC COLD FRONT FROM 31N42W TO 22N60W THEN FRONTAL TROUGH TO 
21.5N75W. S OF 21N BETWEEN 71W AND 74W...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 31N56W TO 31N38W TO 
20N70W TO 22N73W TO 23N62W TO 31N56W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST TROUGH WEAKENING STATIONARY FRONT FROM 31N38W 
TO 23N43W. S OF 21N BETWEEN 71W AND 74W...INCLUDING ATLC 
APPROACH TO WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT. WITHIN AREA BOUNDED BY A LINE FROM 31N43W TO 
31N35W TO 28N35W TO 23N56W TO 31N43W WINDS 20 KT OR LESS. SEAS 
TO 8 FT PRIMARILY IN MIXED SWELL.  
.30 HOUR FORECAST TROUGH FROM 31N38W TO 22N43W. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.

.ATLC FROM 11N TO 17N BETWEEN 38W AND 47W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 09N TO 17N BETWEEN 48W AND 58W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN N SWELL.
.48 HOUR FORECAST FROM 12N TO 16N BETWEEN 55W AND 60W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN N SWELL.

.ATLC 12 HOUR HOUR FORECAST TROUGH FROM 24N74W TO 22N78W. WITHIN 
120 NM W OF TROUGH NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN N OF 19N BETWEEN 73W AND 81W...INCLUDING CARIBBEAN 
APPROACH TO WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT. 
.06 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 NELSON. NATIONAL HURRICANE CENTER.