High Seas Forecast
Issued by NWS

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000
FZNT02 KNHC 120930
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE DEC 12 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE DEC 12.
24 HOUR FORECAST VALID 0600 UTC WED DEC 13.
48 HOUR FORECAST VALID 0600 UTC THU DEC 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT FROM 31N60W TO 27N66W TO 22N72W TO 20N74W.
WITHIN AREA BOUNDED BY 31N58W TO 31N64W TO 27N68W TO 27N62W TO
31N58W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. WITHIN
AREA BOUNDED BY 25N69W TO 25N75W TO 21N76W TO 20N74W TO 25N69W NE
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.12 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 31N60W TO
BROAD LOW PRES NEAR 26N68W 1012 MB TO 20N74W. CONDITIONS IMPROVE.
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N63W TO 27N67W TO 20N76W.
WITHIN AREA BOUNDED BY 31N59W TO 31N64W TO 28N64W TO 28N60W TO
31N59W S TO SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST COLD FRONT FROM 31N60.5W TO 27N63.5W TO 20N69W.
WITHIN AREA BOUNDED BY 31N54W TO 31N61W TO 29N62W TO 27N62W TO
27N59W TO 29N55W TO 31N54W SW WINDS 20 TO 30 KT. SEAS 8 TO 11
FT.
.48 HOUR FORECAST COLD FRONT FROM 31N57W TO 27N60W TO 21N66W.
WITHIN AREA BOUNDED BY 31N53W TO 31N58W TO 29N58W TO 28N57W TO
29N55W TO 31N53W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.ATLC TROUGH FROM 24N53W TO 19N55W TO 14N58W. WITHIN AREA
BOUNDED BY 31N35W TO 31N58W TO 28N58W TO 20N48W TO 07N49W TO
07N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SE
AND NW SWELL. SCATTERED TSTMS WITHIN AREA BOUNDED BY 30N46W TO
30N50W TO 17N50W TO 17N46W TO 22N42W TO 30N46W.
.24 HOUR FORECAST TROUGH DISSIPATED. WITHIN AREA BOUNDED BY
31N35W TO 26N48W TO 21N45W TO 07N52W TO 07N35W TO 31N35W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 31N35W TO 30N39W TO
27N41W TO 23N41W TO 19N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED NE AND NW SWELL. WITHIN AREA BOUNDED BY 11N48W
TO 11N53W TO 10N57W TO 08N56W TO 06N52W TO 07N47W TO 11N48W WINDS
20 KT OR LESS. SEAS 8 FT IN NE SWELL.

.ATLC 12 HOUR FORECAST COLD FRONT ENTERING FROM 31N80.5W TO
30.5N81W. WITHIN AREA BOUNDED BY 31N73W TO 31N81W TO 30N80W TO
30N76W TO 30N74W TO 31N73W SW TO W WINDS 20 TO 30 KT. SEAS TO 8
FT ALONG 31N.
.24 HOUR FORECAST COLD FRONT 31N72W TO 27N76W TO 24N80W. WITHIN
AREA BOUNDED BY 31N66W TO 31N81W TO 27N80W TO 27N73W TO 31N66W W
TO NW WINDS 20 TO 30 KT...EXCEPT SW WINDS AHEAD OF FRONT. SEAS 8
TO 14 FT IN MIXED NE AND NW SWELL...HIGHEST NEAR 31N74W.
.36 HOUR FORECAST COLD FRONT FROM 31N64.5W TO 27N70W TO
22.5N78W. WITHIN AREA BOUNDED BY 31N61W TO 31N78W TO 28N77W TO
26N73W TO 29N62W TO 31N61W W TO NW WINDS 20 TO 30 KT...EXCEPT SW
WINDS E OF 68W. SEAS 8 TO 15 FT IN MIXED NE AND NW SWELL...
HIGHEST NEAR 31N69W.
.48 HOUR FORECAST COLD FRONT FROM 31N59W TO 27N65W TO 22N75W.
WITHIN AREA BOUNDED BY 31N53W TO 31N74W TO 25N72W TO 25N70W TO
28N62W TO 28N58W TO 31N53W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT
IN MIXED NE AND NW SWELL...HIGHEST NEAR 31N64W.

.CARIBBEAN STATIONARY FRONT FROM 20N74W TO 15N79W TO 09.5N80W.
WITHIN AREA BOUNDED BY 17N78W TO 19N79W TO 19N87W TO 15N83W TO
11N84W TO 10N80W TO 17N78W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO
12 FT...HIGHEST NEAR 11N82W...EXCEPT SEAS LESS THAN 8 FT WITHIN
60 NM NE OF SHORE FROM 13N TO 16N.
.24 HOUR FORECAST STATIONARY FRONT FROM 20N74W TO 15N79W TO
09.5N82W. WITHIN AREA BOUNDED BY 15N79W TO 18N78W TO 16N84W TO
11N84W TO 10N82W TO 15N79W N WINDS 20 TO 25 KT. SEAS 8 TO 10
FT...EXCEPT LESS THAN 8 FT WITHIN 75 NM OF SHORE FROM 13N TO 16N.
.48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 18N74.5W TO
15N79W TO 09N81W. WITHIN AREA BOUNDED BY 15N80W TO 13N82W TO
14N82W TO 11N84W TO 09N82W TO 09N81W TO 15N80W N TO NE WINDS 20
TO 25 KT. SEAS 8 TO 10 FT...EXCEPT LESS THAN 8 FT N OF 12N WITHIN
60 NM OF SHORE.

.GULF OF MEXICO 06 HOUR FORECAST COLD FRONT FROM 30N86W TO
28.5N90W TO 28.5N96W. WITHIN AREA BOUNDED BY 30N86W TO 31N88W
TO 29N93W TO 29N89W TO 29N87W TO 30N86W W TO NW WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST COLD FRONT FROM 29N83W TO 27N90W TO 27N94W.
WITHIN AREA BOUNDED BY 29N83W TO 30N83W TO 29N85W TO 28N87W TO
27N88W TO 27N85W TO 29N83W NW WINDS 20 TO 25 KT. SEAS TO 8 FT
NEAR 28N86W.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 28N81W TO 24N88W TO
24N97W. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN
8 FT.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.



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