000
FZNT02 KNHC 210220
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN JAN 21.
24 HOUR FORECAST VALID 0000 UTC MON JAN 22.
48 HOUR FORECAST VALID 0000 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...AND S OF 12N BETWEEN 64W AND 69W 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. 
.12 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 68W AND 78W NE WINDS 
20 TO 30 KT. SEAS TO 11 FT. FROM 09N TO 17N BETWEEN 78W AND 83W 
WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN E SWELL. 
.48 HOUR FORECAST FROM 11N TO 16N BETWEEN 69W AND 77W NE TO E 
WINDS 20 TO 30 KT. SEAS TO 11 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 31N43W TO 21N64W THEN DISSIPATING 
STATIONARY FRONT TO 20.5N76W. S OF 21N BETWEEN 71W AND 
74W...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 31N41W TO 21N65W TO 22N74W TO 24N65W TO 31N59W WINDS 
20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 31N39W TO 
27N42W TO 23N45W. S OF 21N 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 A LINE FROM 31N44W TO 31N35W 
TO 28N35W TO 23N57W TO 31N44W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT PRIMARILY IN MIXED SWELL.  
.36 HOUR FORECAST TROUGH FROM 31N38W TO 24N42W. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.

.ATLC FROM 11N TO 17N BETWEEN 35W AND 43W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED SWELL.
.12 HOUR FORECAST WITHIN 150 NM OF 12N50W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 09N TO 17N BETWEEN 46W AND 61W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN N SWELL.
.48 HOUR FORECAST FROM 09N TO 15N BETWEEN 48W AND 60W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN N SWELL.

.ATLC 18 HOUR HOUR FORECAST TROUGH FROM 24N74W TO 22N78W. WITHIN 
90 NM W OF TROUGH NE WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 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. 
.12 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.