421 
FZNT02 KNHC 191427
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU NOV 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU NOV 19.
24 HOUR FORECAST VALID 1200 UTC FRI NOV 20.
48 HOUR FORECAST VALID 1200 UTC SAT NOV 21.

.WARNINGS.

...ATLANTIC GALE WARNING...
.ATLC COLD FRONT FROM 31N55W TO 23N79W. WITHIN 22N65W TO 22N78W 
TO 24N81W TO 27N79W TO 27N65W TO 22N65W...INCLUDING THE STRAITS 
OF FLORIDA... NE WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO 35 KT. 
SEAS 8 TO 13 FT...HIGHEST NEAR 24N73W. ELSEWHERE WITHIN 22N66W TO
21N74W TO 24N80W TO 31N75W TO 31N57W TO 22N66W...INCLUDING THE 
WINDWARD PASSAGE... NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN N 
SWELL.
.24 HOUR FORECAST STATIONARY FRONT FROM 31N51W TO 23N78W. WITHIN
22N60W TO 20N74W TO 24N80W TO 31N75W TO 31N53W TO 22N60W...INCLUDING
THE WINDWARD PASSAGE... NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 
FT IN N SWELL.
.48 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N63W TO
23N78W. WITHIN 22N66W TO 23N79W TO 29N81W TO 31N76W TO 31N55W TO
22N66W...INCLUDING THE WINDWARD PASSAGE... E WINDS 20 TO 25 KT. 
SEAS 8 FT TO 11 FT IN NE SWELL.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO STATIONARY FRONT OVER YUCATAN CHANNEL. WITHIN 
25N83W TO 25N81W TO 24N81W TO 24N83W...INCLUDING THE STRAITS OF
FLORIDA... NE TO E WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO 35 
KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 24N81W TO 21N89W TO 18N95W 
TO 27N88W TO 28N84W TO 24N81W NE TO E WINDS 20 TO 30 KT. SEAS 8 
TO 10 FT IN NE SWELL.
.12 HOUR FORECAST LITTLE CHANGE EXCEPT FREQUENT GUSTS TO 35 KT 
DIMINISHED. 
.24 HOUR FORECAST FRONT DISSIPATED. WITHIN 21N89W TO 19N95W TO 
20N97W TO 26N86W TO 24N81W TO 21N89W...INCLUDING THE STRAITS OF 
FLORIDA... NE TO E WINDS 20 TO 30 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 23N85W TO 22N87W TO 23N91W TO 24N89W TO
24N85W TO 23N85W...INCLUDING THE STRAITS OF FLORIDA... WINDS 20 
KT OR LESS. SEAS 8 FT IN E SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 07N35W TO 07N45W TO 18N56W TO 24N53W TO 31N35W TO
07N35W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN N TO NE SWELL.
WITHIN 20N35W TO 22N36W TO 24N36W TO 25N35W TO 20N35W NE TO E
WINDS 20 TO 25 KT. SEAS 10 TO 12 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 07N35W TO 07N53W TO 11N59W TO 20N59W TO
26N35W TO 07N35W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN N
TO NE SWELL.
.48 HOUR FORECAST WITHIN 07N40W TO 06N53W TO 11N61W TO 24N61W TO
26N47W TO 07N40W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN N
SWELL.

.CARIBBEAN STATIONARY FRONT ACROSS YUCATAN CHANNEL. WITHIN 
20N78W TO 18N82W TO 18N87W TO 22N87W TO 22N82W TO 
20N78W...INCLUDING THE STRAITS OF FLORIDA AND THE YUCATAN 
CHANNEL... NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST FRONT DISSIAPTED. LITTLE CHANGE IN WINDS AND 
SEAS.
.48 HOUR FORECAST WITHIN 20N78W TO 18N82W TO 18N87W TO 22N87W TO
22N82W TO 20N78W...INCLUDING THE STRAITS OF FLORIDA AND THE 
YUCATAN CHANNEL... NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.