000
FZNT02 KNHC 181557
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT MAR 18 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MAR 18.
24 HOUR FORECAST VALID 1200 UTC SUN MAR 19.
48 HOUR FORECAST VALID 1200 UTC MON MAR 20.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO COLD FRONT FROM 29.5N83W TO 18N94W. WITHIN 
30N87W TO 30N95W TO 27N97W TO 22N98W TO 19N94W TO 25N92W TO 
30N87W N WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.21 HOUR FORECAST COLD FRONT FROM 26N81W TO 19N92W. WITHIN 
20N95W TO 20N97W TO 19N96W TO 18N95W TO 19N94W TO 20N95W NW TO N 
WINDS 30 TO 35 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 27N83W TO 
30N84W TO 30N94W TO 28N97W TO 21N97W TO 19N93W TO 27N83W N TO NE 
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST COLD FRONT FROM 24N81W TO 21N87W. WITHIN 
23N89W TO 24N90W TO 24N91W TO 22N93W TO 22N90W TO 23N89W NE WINDS
20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 12 TO 14 FT.
ELSEWHERE WITHIN 27N83W TO 28N97W TO 23N98W TO 18N95W TO 21N90W 
TO 22N82W TO 27N83W N TO NE WINDS 20 TO 30 KT. SEAS 9 TO 11 FT 
IN N TO NE SWELL. 
.48 HOUR FORECAST COLD FRONT SE OF AREA. WITHIN 24N83W TO 26N91W
TO 26N97W TO 19N96W TO 19N92W TO 21N90W TO 24N83W NE WINDS 20 TO
25 KT. SEAS 8 TO 10 FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 24N35W TO 18N39W TO 14N39W TO 12N35W TO 24N35W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 16N35W TO 14N40W TO 10N42W TO 07N41W TO
07N35W TO 16N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N
SWELL.
.36 HOUR FORECAST CONDITIONS MERGED WITH AREA BELOW.

.ATLC COLD FRONT FROM 31N36W TO 16N61W. WITHIN 31N40W TO 31N49W 
TO 30N48W TO 30N42W TO 31N40W W TO NW WINDS 20 TO 25 KT. SEAS 12 
TO 14 FT. ELSEWHERE WITHIN 20N52W TO 20N56W TO 17N61W TO 16N60W 
TO 16N55W TO 18N52W TO 20N52W NE WINDS 20 TO 25 KT. SEAS 9 TO 11 
FT. REMAINDER OF AREA WITHIN 31N35W TO 31N68W TO 22N71W TO 15N56W
TO 24N37W TO 31N35W WINDS 20 KT OR LESS. SEAS 10 TO 12 FT IN NW 
TO N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 25N35W TO 24N40W THEN
STATIONARY TO 18N55W THEN SHEAR LINE TO 16N62W. WITHIN 31N35W TO
31N57W TO 22N65W TO 11N60W TO 07N42W TO 20N35W TO 31N35W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 24N35W TO
17N55W. WITHIN 22N39W TO 22N49W TO 19N61W TO 14N59W TO 14N51W TO
18N41W TO 22N39W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
ELSEWHERE WITHIN 31N35W TO 20N65W TO 07N58W TO 07N35W TO 31N35W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.

.ATLC COLD FRONT ALONG NE FLORIDA COAST. WITHIN 30N74W TO 31N75W
TO 31N81W TO 28N80W TO 28N79W TO 30N74W S TO SW WINDS 20 TO 30 
KT. SEAS 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N74W TO 26N80W. WITHIN 
31N68W TO 31N75W TO 30N75W TO 30N71W TO 30N69W TO 31N68W S TO SW 
WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N71W TO 24N80W. WITHIN 
31N73W TO 31N78W TO 29N77W TO 29N73W TO 31N73W NE TO E WINDS 20 
TO 30 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN SHEAR LINE FROM 16N61W TO 16N70W. WITHIN 17N64W TO 
18N73W TO 15N69W TO 15N67W TO 16N64W TO 17N64W NE TO E WINDS 20 
TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 17N62W TO 17N65W TO 17N67W TO 15N65W TO
15N63W TO 16N62W TO 17N62W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT IN NE SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN WITHIN 14N75W TO 14N77W TO 11N77W TO 10N76W TO 12N73W
TO 14N75W E WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.