000
FZNT02 KNHC 310923
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU DEC 31 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 31.
24 HOUR FORECAST VALID 0600 UTC FRI JAN  1.
48 HOUR FORECAST VALID 0600 UTC SAT JAN  2.

.WARNINGS.

...ATLC GALE WARNING...
.COLD FRONT FROM 31N48W TO 26N65W. WITHIN 27N51W TO 24N60W TO 
31N69W TO 31N46W TO 27N51W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 
17 FT.
.09 HOUR FORECAST LOW PRES NEAR 32N46W 1004 MB. COLD FRONT FROM 
LOW TO 28N45W TO 23N57W. N OF 30N BETWEEN 46W AND 54W NW TO N 
WINDS 30 TO 35 KT. SEAS 13 TO 20 FT. ELSEWHERE WITHIN 26N46W TO 
22N57W TO 31N65W TO 31N45W TO 26N46W NW TO N WINDS 20 TO 30 KT. 
SEAS 9 TO 17 FT.
.24 HOUR FORECAST LOW PRES NEAR 30N45W 1004 MB. N OF 26N BETWEEN
47W AND 55W NW TO N WINDS 30 TO 35 KT. SEAS 15 TO 25 FT. 
ELSEWHERE WITHIN 25N43W TO 20N52W TO 22N58W TO 31N61W TO 31N39W 
TO 25N43W N WINDS 25 TO 35 KT. SEAS 10 TO 22 FT.
.30 HOUR FORECAST LOW PRES NEAR 29N44W 1004 MB. N OF 24N BETWEEN
43W AND 56W NW TO N WINDS 20 TO 30 KT. SEAS 15 TO 23 FT. LITTLE 
CHANGE ELSEWHERE.
.48 HOUR FORECAST LOW PRES NEAR 30N39W 1007 MB. WITHIN 25N35W TO
22N43W TO 27N55W TO 31N58W TO 31N35W TO 25N35W W TO NW WINDS 20 
TO 30 KT. SEAS 10 TO 18 FT.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 20N53W TO 17N62W TO 23N83W TO 31N81W TO 23N58W TO 
20N53W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST WITHIN 16N50W TO 13N59W TO 20N75W TO 27N77W TO
24N59W TO 16N50W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST WITHIN 11N54W TO 22N77W TO 30N61W TO 25N57W TO
20N41W TO 11N54W NE WINDS 20 TO 25 KT. SEAS 8 TO 14 FT.

.ATLC 12 HOUR FORECAST LOW PRES NEAR 22N38W 1010 MB WITHIN 20N37W
TO 18N41W TO 20N41W TO 23N39W TO 22N36W TO 20N37W S TO SW WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST LOW PRES NEAR 25N36W 1011 MB. WITHIN 20N35W TO
19N40W TO 23N40W TO 31N36W TO 29N35W TO 20N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES AND MARINE CONDITIONS MERGED.

.CARIBBEAN WITHIN 16N65W TO 11N76W TO 19N80W TO 18N64W TO 
16N65W...INCLUDING THE WINDWARD AND MONA PASSAGES...NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 13N64W TO 10N80W TO 18N80W TO 18N69W TO
17N62W TO 13N64W...INCLUDING THE MONA PASSAGE...NE TO E WINDS 20
TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST WITHIN 12N62W TO 12N72W TO 11N81W TO 17N80W TO
18N63W TO 12N62W...INCLUDING THE MONA PASSAGE...NE TO E WINDS 20
TO 30 KT. SEAS 8 TO 13 FT.

.GULF OF MEXICO WITHIN 21N93W TO 21N97W TO 24N98W TO 28N96W TO 
28N93W TO 21N93W SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST COLD FRONT FROM 29N96W TO 26N95W TO 21N97W. W 
OF FRONT W TO NW WINDS 20 TO 30 KT. SEAS 9 TO 10 FT. LITTLE 
CHANGE ELSEWHERE.
.24 HOUR FORECAST COLD FRONT FROM 29N91W TO 19N95W. N OF 26N W 
OF FRONT NW TO W WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. E OF FRONT 
WITHIN 18N84W TO 17N87W TO 25N90W TO 30N90W TO 30N85W TO 18N84W 
INCLUDING YUCATAN CHANNEL...SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT.
.48 HOUR FORECAST STATIONARY FRONT FROM 30N86W TO 20N96W. WINDS 
20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.