000
FZNT02 KNHC 212207
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU DEC 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU DEC 21.
24 HOUR FORECAST VALID 1800 UTC FRI DEC 22.
48 HOUR FORECAST VALID 1800 UTC SAT DEC 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT FROM LOW PRES 1009 MB N OF AREA NEAR 
32.5N66W TO LOW PRES 1012 MB NEAR 31N69W TO 31N81W. N OF LINE 
FROM 31N60W TO 28N65W TO 30N71W SW TO W WINDS 20 TO 30 KT. SEAS 
TO 10 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N56W TO 26.5N65W TO 31N71W.
N OF 29.5N AND W OF FRONT TO 65W WINDS 20 KT OR LESS. SEAS 8 TO 
9 FT IN NW SWELL. 
.48 HOUR FORECAST COLD FRONT WEAKENED TO TROUGH FROM 31N54W TO 
29N56W TO 26N56W. N OF 29.5N BETWEEN 56W AND 59W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.

.ATLC FROM 20N TO 28N E OF 37W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT PRIMARILY IN E SWELL.
.24 HOUR FORECAST E OF LINE FROM 14N35W TO 27N40W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.
.48 HOUR FORECAST FROM 21N TO 30N E OF 40W WINDS 20 KT OR LESS. 
SEAS 8 FT IN E SWELL.

.CARIBBEAN WITHIN AREA BOUNDED BY 18N70W TO 15N81W TO 11N84W TO 
09N78W TO 11N75W TO 11N70W TO 18N70W NE TO E WINDS 20 TO 30 KT. 
SEAS TO 11 FT...HIGHEST NEAR 11N76W.
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN N OF 19N AND E OF 75W...INCLUDING 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.
.24 HOUR FORECAST FROM 18N TO 20N BETWEEN 73W AND 
80W...INCLUDING WINDWARD PASSAGE...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 COAST FROM 
CHOCTAWHATCHEE BAY FLORIDA TO MATAGORDA SHIP CHANNEL TEXAS.
.24 HOUR FORECAST FOG DISSIPATED.

.GULF OF MEXICO 42 HOUR FORECAST COLD FRONT FROM 30N92W TO 
23N98W. W OF FRONT N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 29N90W TO 23N95.5W TO 19N95W. 
S OF 26N AND W OF FRONT NW TO NW WINDS 20 TO 30 KT. SEAS 
BUILDING TO 8 FT.

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.