High Seas Forecast
Issued by NWS

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000
FZNT02 KNHC 120231
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE DEC 12.
24 HOUR FORECAST VALID 0000 UTC WED DEC 13.
48 HOUR FORECAST VALID 0000 UTC THU DEC 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT FROM 31N59W TO 20N75W. S OF 24N BETWEEN
72W AND 76W N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE S
OF 29N WITHIN 240 NM W OF FRONT WINDS 20 KT OR LESS. SEAS TO 8
FT IN MIXED SWELL.
.24 HOUR FORECAST TROUGH FROM 29N66W TO 20N72W. CONDITIONS
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC TROUGH FROM 31N57W TO 23N57W. WITHIN 90 NM OF LINE FROM
31N49W TO 26N45W SE WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE
WITHIN AREA BOUNDED BY 31N54W TO 31N42W TO 27N35W TO 11N35W TO
07N43W TO 31N54W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN
MIXED NE AND E SWELL. SCATTERED TSTMS WITHIN AREA BOUNDED BY
30N49W TO 23N41W TO 14N50W TO 30N49W.
.24 HOUR FORECAST TROUGH DISSIPATED. WITHIN AREA BOUNDED BY A
LINE FROM 31N53W TO 31N35W TO 13N35W TO 14N43W TO 31N53W WINDS
20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN MIXED SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 31N35W TO 20N35W TO
25N40W TO 31N35W WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED N
AND E SWELL.

.ATLC 18 HOUR FORECAST COLD FRONT APPROACHING SE COAST UNITED
STATES. WITHIN AREA BOUNDED BY 31N81W TO 31N73W TO 30N78W TO
31N81W SW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N76W TO 28N80W. WITHIN AREA
BOUNDED BY 31N81W TO 31N71W TO 27N80W TO 31N81W SW TO W WINDS 20
TO 30 KT...EXCEPT W TO NW WINDS BEHIND FRONT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST COLD FRONT FROM 31N69W TO 23N81W. WITHIN AREA
BOUNDED BY 31N79W TO 31N57W TO 27N63W TO 27N75W TO 31N79W SW TO
W WINDS 20 TO 30 KT...EXCEPT W TO NW WINDS BEHIND FRONT. SEAS 8
TO 14 FT HIGHEST SEAS NEAR 30N72W. ELSEWHERE FROM 26N TO 31N
BETWEEN 72W AND 80W WINDS 20 KT OR LESS. SEAS TO 11 FT PRIMARILY
IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N62W TO 22N78W. WITHIN AREA
BOUNDED BY 31N70W TO 31N54W TO 30N55W TO 30N65W TO 31N70W SW TO
W WINDS 20 TO 25 KT. SEAS 8 TO 15 FT...HIGHEST SEAS NEAR 31N66W.
ELSEWHERE WITHIN AREA BOUNDED BY LINE FROM 31N75W TO 31N53W TO
25N74W TO 31N75W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT PRIMARILY
IN NW SWELL.

.CARIBBEAN STATIONARY FRONT FROM 20N75W TO 09N82W. WITHIN AREA
BOUNDED BY A LINE FROM 21N77W TO 09N81W TO 16N85W TO 21N77W N TO
NE WINDS 20 TO 30 KT. SEAS 8 TO 15 FT...HIGHEST SEAS NEAR
11N83W.
.24 HOUR FORECAST TROUGH FROM 20N72W TO 09N82W. WITHIN 90 NM OF
LINE FROM 18N79W TO 15N82W TO 10N83W N WINDS 20 TO 25 KT. SEAS
TO 10 FT.
.48 HOUR FORECAST TROUGH FROM 18N75W TO 09N81W. FROM 10N TO 15N
BETWEEN 80W AND 84W N WINDS 20 TO 25 KT. SEAS TO 10 FT.

.GULF OF MEXICO 12 HOUR FORECAST COLD FRONT APPROACH N CENTRAL
WATERS. N OF 29N BETWEEN 85W AND 94W W TO NW WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 27N82W TO 25N90W. N OF 27N E
OF 83W NW WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST FRONT E OF AREA. 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 NELSON. NATIONAL HURRICANE CENTER.


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