000
FZNT02 KNHC 301642
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT DEC 30 2017

...UPDATED TO REMOVE EXTRA LINE...

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT DEC 30.
24 HOUR FORECAST VALID 1200 UTC SUN DEC 31.
48 HOUR FORECAST VALID 1200 UTC MON JAN 01.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.36 HOUR FORECAST COLD FRONT FROM 30N85W TO 26N94W TO 26N97W. N 
OF FRONT NE WINDS 20 TO 30 KT. FREQUENT GUSTS TO GALE FORCE 
WITHIN 60 NM OF THE COAST BETWEEN CHOCTAWHATCHEE BAY FL AND HIGH 
ISLAND TX. SEAS BUILDING TO 8 FT.
.48 HOUR FORECAST FORECAST COLD FRONT FROM 28N83W TO 23N95W TO 
24N98W. N OF FRONT NE WINDS 20 TO 30 KT. FREQUENT GUSTS TO GALE 
FORCE WITHIN 60 NM OF THE COAST BETWEEN CHOCTAWHATCHEE BAY FL 
AND HIGH ISLAND TX. SEAS 8 TO 12 FT...HIGHEST NEAR 26N96W.

.SYNOPSIS AND FORECAST.

.ATLC S OF LINE FROM 13N35W TO 18N59W WINDS 20 KT OR LESS. SEAS 
8 FT IN MIXED NW AND NE SWELL.
.24 HOUR FORECAST S OF 11N BETWEEN 42W AND 49W NE TO E WINDS 20 
TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE S OF 15 E OF 54W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED NW AND NE SWELL.
.36 HOUR FORECAST E OF LINE FROM 31N39W TO 16N56W TO 06N55W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED NW AND NE SWELL.
.48 HOUR FORECAST E OF LINE FROM 31N35W TO 14N59W TO 09N59W TO 
05N54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.

.ATLC COLD FRONT FROM 31N42W TO 29N48W...THEN STATIONARY FRONT 
TO 31N57W...THEN WARM FRONT TO LOW PRES 1014 MB NEAR 31N66W. 
COLD FRONT FROM LOW TO 28N73W. WITHIN 180 NM S SEMICIRCLE OF LOW 
S TO SW WINDS 20 TO 30 KT. SEAS 9 TO 10 FT. ELSEWHERE N OF LINE 
FROM 31N36W TO 26N61W TO 28N70W TO 27N78W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NW TO N SWELL E OF 65W AND IN N TO NE SWELL W 
OF 65W.
.12 HOUR FORECAST LOW PRES N OF AREA. COLD FRONT FROM 31N57W TO 
30N61W THEN WEAKENING WARM FRONT TO 31N67W. N OF LINE FROM 
30N35W TO 26N42W TO 23N58W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN NW SWELL. 
.24 HOUR FORECAST FRONTS DISSIPATED. N OF LINE FROM 25N35W TO 
21N52W TO 31N56W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY 
IN NW SWELL. 
.36 HOUR FORECAST CONDITIONS MERGED WITH PARAGRAPH ABOVE.

.CARIBBEAN 12 HOUR FORECAST FROM 11N TO 12N BETWEEN 74W AND 76W 
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST FORECAST FROM 11N TO 12N BETWEEN 74W AND 76W 
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO AREAS OF DENSE FOG WITHIN 30 NM OF THE COAST 
BETWEEN CHOCTAWHATCHEE BAY FL AND HIGH ISLAND TX.
.24 HOUR FORECAST FOG DISSIPATED.

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.