000
FZNT02 KNHC 272153
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT JAN 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT JAN 27.
24 HOUR FORECAST VALID 1800 UTC SUN JAN 28.
48 HOUR FORECAST VALID 1800 UTC MON JAN 29.

.WARNINGS.

...ATLANTIC GALE WARNING...
.ATLC COLD FRONT FROM 31N45W TO 25N50W TO 21.5N60W THEN 
WEAKENING STATIONARY FRONT TO 20N73W. N OF FRONT AND S OF 24N 
BETWEEN 60W AND 75W NE TO E WINDS 30 TO 35 KT. SEAS 12 TO 18 FT. 
ELSEWHERE N OF FRONT AND E OF 80W N TO NE WINDS 20 TO 30 KT. 
SEAS 8 TO 12 FT E OF BAHAMAS. S OF FRONT W OF LINE FROM 23N54W 
TO 18N63W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. 
.18 HOUR FORECAST COLD FRONT FROM 31N41W TO 23N47W THEN 
WEAKENING STATIONARY FRONT TO 20N58W TO 20N70W. FROM 19N TO 22N 
BETWEEN 60W AND 68W NE TO E WINDS 25 TO 30 KT. SEAS 13 TO 15 FT. 
ELSEWHERE NW OF FRONT AND S OF LINE FROM 31N41W TO 31N57W TO 
27N70W TO 24N79W N TO NE WINDS 20 TO 25 KT. SEAS 11 TO 15 FT. 
REMAINDER OF AREA W OF FRONT WINDS 20 KT OR LESS. SEAS 8 TO 12 
FT IN NE TO E SWELL. S OF FRONT AND W OF LINE FROM 22N47W TO 
13N60W NE WINDS 20 TO 25 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST TROUGH FROM 31N40W TO 27N40W TO 22N42W TO 
18N44W. COLD FRONT APPROACH 31N81W. N OF 30N BETWEEN 47W AND 49W 
NW TO N WINDS 30 TO 35 KT. SEAS 15 TO 18 FT. ELSEWHERE N OF 
28.5N BETWEEN 45W AND 53W NW TO N WINDS 20 TO 30 KT. SEAS 13 TO 
15 FT. E OF TROUGH AND N OF 29N SE TO S WINDS 20 TO 25 KT. SEAS 
9 TO 13 FT. W OF LINE FROM 13N61W TO 19N49W TO 27N65W AND S OF 
LINE FROM 19N49W TO 27N65W TO 21N77W NE TO E WINDS 20 TO 25 KT. 
SEAS 9 TO 15 FT. N OF 30N BETWEEN 80W AND 74W S TO SW WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT. REMAINDER OF AREA OUTSIDE OF BAHAMAS 
AND W OF LINE FROM 31N35W TO 26N35W TO 10N59W WINDS 20 KT OR 
LESS. SEAS 8 TO 14 FT IN N TO NE SWELL W OF 55W AND IN NW TO N 
SWELL E OF 55W.
.48 HOUR FORECAST TROUGH FROM LOW PRES 1010 MB NEAR 29.5N46W TO 
27N41W TO 23N41W TO 17N45W. NEW COLD FRONT FROM 31N76W TO 
27N80W. WITHIN 420 NM W SEMICIRCLE OF LOW WINDS 20 TO 30 KT. 
SEAS 14 TO 21 FT. WITHIN 120 NM NE QUADRANT OF LOW SE TO S WINDS 
20 TO 25 KT. SEAS 13 TO 15 FT. N OF 29N AND E OF 39W SE WINDS 20 
TO 25 KT. SEAS 11 TO 13 FT. E OF FRONT TO 70W AND N OF 29N S TO 
SW WINDS 20 TO 30 KT. SEAS 9 TO 11 FT. FROM 16N TO 19N BETWEEN 
57W AND 68W NE TO E WINDS 20 TO 25 KT. SEAS 11 TO 14 FT. 
ELSEWHERE W OF LINE FROM 31N35W TO 23N35W TO 09N57W WINDS 20 KT 
OR LESS. SEAS 8 TO 13 FT IN N TO NE SWELL W OF 50W AND IN NW TO 
N SWELL E OF 50W.

...CARIBBEAN GALE WARNING...
.FROM 09.5N TO 17.5N BETWEEN 70W AND 81W...AND N OF 14N BETWEEN 
65W AND 70W...INCLUDING THE ATLC PASSAGE...NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 12 FT. FROM 10N TO 16N BETWEEN 81W AND 82W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.06 HOUR FORECAST FROM 11N TO 12N BETWEEN 74W AND 77W NE TO E 
WINDS 30 TO 35 KT. SEAS 10 TO 15 FT. ELSEWHERE FROM 10N TO 18N E 
OF 80W...INCLUDING THE ATLANTIC PASSAGES...NE TO E WINDS 20 TO 
30 KT. SEAS 8 TO 12 FT. FROM 09.5N TO 18N BETWEEN 80W AND 83W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.18 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E 
WINDS 25 TO 30 KT. SEAS 11 TO 15 FT. ELSEWHERE FROM 10N TO 18N E 
OF 80W...INCLUDING THE ATLANTIC PASSAGES...NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 12 FT. FROM 09.5N TO 18N BETWEEN 80W AND 82.5W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E 
WINDS 30 TO 35 KT. SEAS 11 TO 15 FT. ELSEWHERE FROM 10N TO 18N E 
OF 80W...INCLUDING THE ATLANTIC PASSAGES...NE TO E WINDS 20 TO 
30 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 09.5N TO 18N BETWEEN 76W 
AND 82.5W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.42 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E 
WINDS 25 TO 30 KT. SEAS 10 TO 15 FT. ELSEWHERE FROM 10N TO 18N E 
OF 80W...INCLUDING THE ATLANTIC PASSAGES...NE TO E WINDS 20 TO 
30 KT. SEAS 8 TO 11 FT...TO 12 FT IN ATLC PASSAGES. FROM 09.5N 
TO 18N BETWEEN 80W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN NE TO E SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO 24 HOUR FORECAST COLD FRONT FROM 30N88W TO 
21N96W TO 19N95W. W OF FRONT AND S OF 24N NW TO N WINDS 20 TO 25 
KT. SEAS BUILDING TO 8 FT.
.48 HOUR FORECAST COLD FRONT 26N82W TO 18.5N95W. S OF 20N AND W 
OF 95W NW WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE W OF 
FRONT AND S OF 26N N WINDS 20 TO 25 KT...EXCEPT NW TO N WINDS 20 
TO 30 KT S OF 21N. SEAS 8 TO 11 FT. 

.SYNOPSIS AND FORECAST.
 
.ATLC E OF LINE FROM 31N43W TO 17N44W TO 12N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT PRIMARILY IN NE TO E SWELL. 
.24 HOUR FORECAST N OF 12N E OF 37W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT PRIMARILY IN NE TO E SWELL. 
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN N OF 18N...INCLUDING THE WINDWARD PASSAGE AND THE 
YUCATAN CHANNEL...NE TO E WINDS 20 TO 30 KT. SEAS 9 TO 12 
FT...EXCEPT SEAS 11 TO 14 FT WINDWARD PASSAGE.
.24 HOUR FORECAST N OF 18N AND E OF 78W...INCLUDING THE WINDWARD 
PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO S OF 26N AND E OF 87W E TO SE WINDS 20 TO 30 KT. 
SEAS 9 TO 13 FT. ELSEWHERE E OF LINE FROM 21.5N87W TO 25N92W TO 
28N91W AND S OF LINE FROM 28N91W TO 28N90W TO 25N81W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.18 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 MCELROY. NATIONAL HURRICANE CENTER.