000
FZNT02 KNHC 200846
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC THU DEC 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU DEC 20.
24 HOUR FORECAST VALID 0600 UTC FRI DEC 21.
48 HOUR FORECAST VALID 0600 UTC SAT DEC 22.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC 06 HOUR FORECAST N OF 27N W OF 73W S TO SE WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST N OF 28N BETWEEN 78W AND 81W SE TO S WINDS 30 
TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF 24N W OF 73W S WINDS 
20 TO 30 KT. SEAS TO 10 FT. SCATTERED TSTMS N OF 28N W OF 78W.
.24 HOUR FORECAST COLD FRONT APPROACH. NW OF LINE FROM 31N75W TO 
27N80W S TO SW WINDS 30 TO 35 KT. SEAS 9 TO 17 FT. ELSEWHERE NW 
OF LINE FROM 31N69W TO 23N81W S WINDS 20 TO 30 KT. SEAS TO 11 
FT. SCATTERED TO NUMEROUS TSTMS NEAR FRONT.
.48 HOUR FORECAST COLD FRONT FROM 31N70W TO 21N75W. N OF 27N 
BETWEEN 68W AND 77W S TO SW WINDS 30 TO 40 KT. SEAS 12 TO 24 FT. 
ELSEWHERE W OF LINE FROM 31N63W TO 26N70W TO 22N80W S WINDS 20 
TO 30 KT. SEAS 8 TO 16 FT. SCATTERED TSTMS NEAR FRONT.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO COLD FRONT FROM 30N89W TO 19N96W. E OF FRONT SE 
TO S WINDS 20 TO 25 KT. SEAS TO 8 FT. SCATTERED TSTMS E OF 88W.
.12 HOUR FORECAST COLD FRONT FROM 30N85W TO 21N88W. E OF FRONT S 
TO SW WINDS 20 TO 30 KT. SEAS TO 11 FT. N OF 25N W OF 91W NW 
WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE N OF 22N W OF 92W 
W TO NW WINDS 20 TO 30 KT. SEAS TO 11 FT. SCATTERED TO NUMEROUS 
TSTMS E OF FRONT.
.24 HOUR FORECAST COLD FRONT FROM 30N82W TO 23N83W. FROM 24N TO 
30N W OF FRONT TO 94W W TO NW WINDS 30 TO 35 KT. SEAS 12 TO 20 
FT. ELSEWHERE W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. 
SCATTERED TO NUMEROUS TSTMS NEAR FRONT.
.42 HOUR FORECAST E OF 90W NW WINDS 20 TO 30 KT. SEAS 12 TO 20 
FT. ELSEWHERE E OF 96W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN 
NW SWELL.
.48 HOUR FORECAST E OF 84W NW WINDS 20 TO 25 KT. SEAS 11 TO 16 
FT. ELSEWHERE E OF 92W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN 
NW SWELL.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N46W TO 25N60W. N OF LINE FROM 31N35W TO 
24N56W TO 25N66W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT NW SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 31N39W TO 25N48W. N 
OF LINE FROM 24N35W TO 18N52W TO 27N57W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST FRONTAL TROUGH FROM 31N35W TO 24N41W. W OF A 
LINE FROM 31N46W TO 15N55W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
N SWELL. 

.ATLC S OF 11N BETWEEN 36W AND 54W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT IN MIXED N AND SE SWELL. 
.24 HOUR FORECAST S OF 10N BETWEEN 45W AND 54W WINDS 20 KT OR 
LESS. SEAS 8 FT IN MIXED N AND SE SWELL.   
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN FROM 10.5N TO 15N BETWEEN 71W AND 78W NE TO E WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST FROM 12.5N TO 14.5N BETWEEN 70W AND 74W NE TO 
E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 11N TO 14N BETWEEN 72W AND 76W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 9 FT.

.CARIBBEAN W OF 85W SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST COLD FRONT FROM 23N83W TO 16N87W. NW OF FRONT 
NW WINDS 20 TO 25 KT. SEAS TO 10 FT YUCATAN CHANNEL. SCATTERED 
TSTMS NEAR FRONT. 
.48 HOUR FORECAST COLD FRONT FROM 21N76W TO 09N81W. S OF 16N W 
OF FRONT N WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. ELSEWHERE W OF 
FRONT TO 86W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
  
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.