322 
FZNT02 KNHC 212216
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT DEC 21 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT DEC 21.
24 HOUR FORECAST VALID 1800 UTC SUN DEC 22.
48 HOUR FORECAST VALID 1800 UTC MON DEC 23.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC STATIONARY FRONT FROM 31N46W TO 25N62W TO 21N74W. WITHIN 
25N56W TO 21N74W TO 25N81W TO 30N80W TO 31N52W TO 25N56W NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE WITHIN 16N35W TO 
22N43W TO 22N71W TO 31N52W TO 31N35W TO 16N35W SE TO S WINDS 20 
TO 25 KT. SEAS 8 TO 15 FT IN MIXED SE AND NW SWELL...HIGHEST NEAR
31N35W.
.24 HOUR FORECAST COLD FRONT FROM 31N37W TO 24N50W...THEN 
WEAKENING STATIONARY FRONT TO 22N61W. WITHIN 30N78W TO 29N79W 
TO 30N80W TO 31N80W TO 31N78W TO 30N78W E TO SE WINDS 30 TO 35 
KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 24N67W TO 24N74W TO 
27N80W TO 31N81W TO 27N66W TO 24N67W E TO SE WINDS 20 TO 30 KT. 
SEAS 8 TO 10 FT. WITHIN 16N35W TO 20N45W TO 24N75W TO 31N60W TO 
31N35W TO 16N35W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO N
SWELL...HIGHEST NEAR 31N38W.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 27N35W TO 23N45W. 
WITHIN 26N62W TO 24N65W TO 26N76W TO 31N81W TO 31N67W TO 26N62W 
SE TO S WINDS 20 TO 30 KT. SEAS 8 TO 14 FT...HIGHEST NEAR
31N78W. ELSEWHERE WITHIN 22N35W TO 22N59W TO 30N81W TO 29N57W 
TO 31N35W TO 22N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO
N SWELL.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO WARM FRONT FROM 30N85W TO 29N88W TO LOW PRES  
1016 MB NEAR 27N88W. DEVELOPING COLD FRONT FROM LOW TO 22N88W.
WITHIN 19N96W TO 23N98W TO 26N97W TO 25N96W TO 19N96W NW TO N 
WINDS 25 TO 35 KT. SEAS TO 8 FT. WITHIN 23N80W TO 25N94W TO 
29N92W TO 30N86W TO 23N80W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 9
FT.
.06 HOUR FORECAST WARM FRONT FROM 30N85W TO LOW PRES 1014 MB 
NEAR 27N87.5W...THEN COLD FRONT TO 22N88W. WITHIN 20N95W TO 
19N96W TO 21N97W TO 23N98W TO 23N96W TO 20N95W NW TO N WINDS 25 
TO 35 KT. SEAS 8 TO 10 FT. WITHIN 27N85W TO 28N88W TO 29N88W TO 
30N86W TO 29N85W TO 27N85W E TO SE WINDS 25 TO 35 KT. SEAS 8 TO 
10 FT. ELSEWHERE WITHIN 23N81W TO 26N89W TO 23N95W TO 26N96W TO 
30N89W TO 23N81W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES 1009 MB NEAR 29N87W. OCCLUDED FRONT 
FROM LOW TO 27N85.5W...THEN COLD FRONT TO 22N86.5W. WITHIN 22N90W
TO 18N95W TO 23N97W TO 25N93W TO 24N90W TO 22N90W NW TO N WINDS 
20 TO 30 KT. SEAS 8 TO 11 FT. WITHIN 26N82W TO 25N84W TO 28N89W 
TO 31N87W TO 30N84W TO 26N82W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW AND FRONTS E OF AREA. WITHIN 24N85W TO 
24N87W TO 26N91W TO 30N89W TO 28N84W TO 24N85W W TO NW WINDS 20 
TO 30 KT. SEAS 8 TO 11 FT.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 07N35W TO 06N52W TO 12N55W TO 15N48W TO 10N35W TO
07N35W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 09N50W TO 07N44W TO 06N52W TO 10N58W TO
13N55W TO 09N50W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N 
SWELL.
.48 HOUR FORECAST WITHIN 07N48W TO 06N52W TO 10N60W TO 15N60W TO
10N50W TO 07N48W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N
SWELL.

.CARIBBEAN WITHIN 12N70W TO 09N79W TO 11N82W TO 16N80W TO 18N73W
TO 12N70W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST WITHIN 13N67W TO 11N71W TO 11N79W TO 14N78W TO  
16N72W TO 13N67W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN NE
TO E SWELL. ELSEWHERE WITHIN 13N79W TO 11N76W TO 10N82W TO 
16N81W TO 16N72W TO 13N79W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 11N72W TO 11N78W TO 12N80W TO 18N75W TO
14N67W TO 11N72W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.CARIBBEAN 33 HOUR FORECAST COLD FRONT FROM 22N84W TO 16N88W.
WITHIN 20N86W TO 18N88W TO 20N87W TO 21N87W TO 21N86W TO 20N86W 
NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 22N81W TO 15N87W. WITHIN 
16N86W TO 16N87W TO 17N87W TO 19N86W TO 19N85W TO 16N86W NW TO N 
WINDS 20 TO 25 KT. SEAS TO 8 FT NEAR YUCATAN CHANNEL.

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

$$
.FORECASTER LEWITSKY/MCELROY. NATIONAL HURRICANE CENTER.