837 
FZNT02 KNHC 180358
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON DEC 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON DEC 18.
24 HOUR FORECAST VALID 0000 UTC TUE DEC 19.
48 HOUR FORECAST VALID 0000 UTC WED DEC 20.

.WARNINGS.

...ATLC GALE WARNING...
.WITHIN 31N67W TO 31N75W TO 25N75W TO 26N70W TO 28N70W TO 31N67W
SE TO S WINDS 30 TO 40 KT. SEAS 13 TO 20 FT. WITHIN 31N77W TO 
31N81W TO 30N81W TO 28N79W TO 29N77W TO 31N77W W TO SW WINDS 30 
TO 35 KT. SEAS 12 TO 20 FT IN S AND SE SWELL. ELSEWHERE WITHIN 
31N60W TO 29N71W TO 31N78W TO 26N77W TO 20N71W TO 20N64W TO 
31N60W S TO SE WINDS 20 TO 30 KT. SEAS 10 TO 18 FT IN SWELL. 
ELSEWHERE WITHIN 29N77W TO 31N78W TO 30N80W TO 30N81W TO 27N80W 
TO 25N77W TO 29N77W NW TO W WINDS 20 TO 30 KT. SEAS 8 TO 18 FT IN
SE SWELL. REMAINDER OF AREA WITHIN 25N60W TO 30N64W TO 23N66W TO
24N74W TO 18N68W TO 14N60W TO 25N60W...INCLUDING IN ATLANTIC 
PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 28N66W TO 29N68W TO 28N69W TO 26N69W TO
27N68W TO 28N67W TO 28N66W SE TO S WINDS 30 TO 35 KT. SEAS 13 TO
15 FT IN SE SWELL. ELSEWHERE WITHIN 31N61W TO 31N68W TO 28N70W 
TO 24N69W TO 28N66W TO 28N61W TO 31N61W SE TO S WINDS 20 TO 30 
KT. SEAS 10 TO 16 FT IN E TO SE SWELL. REMAINDER OF AREA WITHIN 
31N60W TO 26N69W TO 31N80W TO 25N76W TO 19N67W TO 18N60W TO 
31N60W...INCLUDING IN ATLANTIC PASSAGES...WINDS 20 KT OR LESS. 
SEAS 8 TO 15 FT IN NE TO E SWELL.
.30 HOUR FORECAST WITHIN 31N60W TO 29N65W TO 27N69W TO 24N68W TO
28N63W TO 28N61W TO 31N60W SE WINDS 20 TO 30 KT. SEAS 10 TO 15 
FT IN E SWELL. WITHIN 31N78W TO 31N77W TO 31N81W TO 30N81W TO 
30N80W TO 31N78W NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN E 
SWELL. ELSEWHERE WITHIN 30N60W TO 27N69W TO 30N79W TO 25N75W TO 
18N60W TO 30N60W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NE TO E 
SWELL.
.48 HOUR FORECAST WITHIN 31N70W TO 31N78W TO 29N75W TO 29N73W TO
31N70W N WINDS 20 TO 25 KT. SEAS 9 TO 10 FT IN MIXED E AND N 
SWELL. ELSEWHERE WITHIN 31N65W TO 31N80W TO 29N80W TO 26N73W TO 
21N71W TO 21N65W TO 31N65W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
IN NE TO E SWELL.

...ATLC GALE WARNING...
.WITHIN 31N42W TO 30N47W TO 31N55W TO 26N54W TO 29N44W TO 31N42W
NE WINDS 25 TO 35 KT. SEAS 13 TO 17 FT IN NE SWELL. ELSEWHERE 
WITHIN 31N37W TO 30N45W TO 31N60W TO 21N58W TO 25N52W TO 28N41W 
TO 31N37W NE TO E WINDS 20 TO 30 KT. SEAS 10 TO 14 FT IN NE 
SWELL. REMAINDER OF AREA WITHIN 24N47W TO 31N36W TO 23N55W TO 
31N60W TO 14N60W TO 18N51W TO 24N47W WINDS 20 KT OR LESS. SEAS 8
TO 12 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 31N41W TO 31N51W TO 27N52W TO 25N50W TO
26N46W TO 28N47W TO 31N41W NE TO E WINDS 30 TO 35 KT. SEAS 16 TO
21 FT IN NE SWELL. ELSEWHERE WITHIN 31N37W TO 28N49W TO 31N59W 
TO 21N55W TO 25N49W TO 26N42W TO 31N37W NE TO E WINDS 20 TO 30 
KT. SEAS 11 TO 18 FT IN NE SWELL. REMAINDER OF AREA WITHIN 31N35W
TO 25N46W TO 31N60W TO 18N60W TO 22N46W TO 21N35W TO 31N35W 
WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN N TO NE SWELL.
.42 HOUR FORECAST WITHIN 31N35W TO 31N59W TO 27N57W TO 26N51W TO
22N47W TO 27N46W TO 31N35W E WINDS 20 TO 30 KT. SEAS 14 TO 19 FT
IN NE SWELL. ELSEWHERE WITHIN 31N35W TO 25N49W TO 31N65W TO 
21N65W TO 17N46W TO 21N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 
TO 16 FT IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 31N37W TO 31N59W TO 29N59W TO 24N49W TO
27N47W TO 31N37W E WINDS 20 TO 30 KT. SEAS 14 TO 19 FT IN NE 
SWELL. ELSEWHERE WITHIN 31N35W TO 25N51W TO 31N65W TO 21N65W TO 
15N46W TO 20N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 16 FT 
IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 16N82W TO 21N84W TO 22N87W TO 12N81W TO 15N81W
TO 16N82W...INCLUDING IN YUCATAN CHANNEL AND WITHIN 60 NM OF
COAST OF NICARAGUA...NW TO N WINDS 20 TO 30 KT. SEAS TO 9 FT.
ELSEWHERE N OF 16N BETWEEN 81.5W AND 86W WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN NW TO N SWELL...HIGHEST YUCATAN CHANNEL.
.24 HOUR FORECAST WITHIN 16N82W TO 16N84W TO 14N83W TO 11N83W TO
10N81W TO 11N80W TO 16N82W...INCLUDING WITHIN 60 NM OF COAST OF 
NICARAGUA...N WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST WITHIN 20N73W TO 20N76W TO 20N80W TO 19N76W TO
17N77W TO 17N75W TO 20N73W...INCLUDING BETWEEN CUBA AND 
JAMAICA...N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. S OF 
16N AND W OF 78W...INCLUDING WITHIN 60 NM OF COAST OF 
NICARAGUA... N WINDS 20 TO 25 KT. SEAS TO 10 FT.

.GULF OF MEXICO WITHIN 27N83W TO 30N84W TO 24N86W TO 23N85W TO
25N83W TO 26N84W TO 27N83W NW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
ELSEWHERE WITHIN 29N84W TO 26N91W TO 19N94W TO 22N90W TO 22N85W 
TO 24N82W TO 29N84W...INCLUDING STRAITS OF FLORIDA...WINDS 20 KT
OR LESS. SEAS 8 TO 12 FT IN N TO NE SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.