FZNT02 KNHC 180931
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU DEC 18 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AMERICA

SYNOPSIS VALID 0600 UTC THU DEC 18.
24 HOUR FORECAST VALID 0600 UTC FRI DEC 19.
48 HOUR FORECAST VALID 0600 UTC SAT DEC 20.

.WARNINGS.

...ATLC GALE WARNING...
.LOW PRES NEAR 27.5N60.5W 1013 MB. WITHIN 31N50W TO 31N57W TO
30N61W TO 29N62W TO 28N61W TO 31N50W NE TO E WINDS 20 TO 30 KT.
SEAS 3.0 TO 3.5 M IN N SWELL. WITHIN 28N57W TO 29N58W TO 28N60W
TO 27N59W TO 28N59W TO 27N58W TO 28N57W S TO SW WINDS 20 TO 25
KT. SEAS 3.0 M IN N SWELL. ELSEWHERE WITHIN 31N35W TO 31N61W TO
26N77W TO 21N67W TO 20N55W TO 25N36W TO 31N35W...INCLUDING
ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW
TO N SWELL E OF 65W AND E SWELL W OF 65W. SCATTERED TSTORMS
WITHIN 210 NM E SEMICIRCLE.
.06 HOUR FORECAST LOW PRES NEAR 29.5N58W 1011 MB. WITHIN 30N58W
TO 31N57W TO 31N59W TO 30N59W TO 29N59W TO 30N58W N TO NE WINDS
30 TO 40 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE WITHIN 31N57W TO 31N62W
TO 29N64W TO 27N62W TO 27N60W TO 31N57W N TO NE WINDS 20 TO 30
KT. SEAS 2.5 TO 4.0 M. WITHIN 29N56W TO 30N57W TO 29N58W TO
27N58W TO 27N57W TO 28N56W TO 29N56W SW WINDS 20 TO 30 KT. SEAS
3.0 TO 3.5 M IN N SWELL. REMAINDER OF AREA WITHIN 31N35W TO
31N61W TO 27N77W TO 24N57W TO 20N62W TO 24N35W TO 31N35W...
INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN NW TO N SWELL E OF 60W AND NE TO E SWELL W OF 60W.
.24 HOUR FORECAST LOW PRES NEAR 29.5N55W 1009 MB. WITHIN 31N55W
TO 31N58W TO 30N58W TO 29N57W TO 29N56W TO 31N55W N TO NE WINDS
30 TO 40 KT. SEAS 4.5 TO 6.0 M IN N TO NE SWELL. ELSEWHERE WITHIN
31N54W TO 31N61W TO 28N59W TO 27N56W TO 31N54W N TO NE WINDS 20
TO 30 KT. SEAS 3.0 TO 4.5 M IN NE SWELL. WITHIN 29N52W TO 30N53W
TO 30N54W TO 29N55W TO 28N55W TO 28N53W TO 29N52W S TO SW WINDS
20 TO 25 KT. SEAS 3.0 TO 4.0 M IN N SWELL. REMAINDER OF AREA
WITHIN 31N35W TO 28N53W TO 31N61W TO 28N77W TO 24N74W TO 26N35W
TO 31N35W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 4.5 M IN N TO NE SWELL E OF 65W AND E SWELL W OF 65W.
.36 HOUR FORECAST LOW PRES NEAR 29.5N55W 1012 MB. WITHIN 31N52W
TO 30N56W TO 31N59W TO 29N59W TO 28N53W TO 29N52W TO 31N52W WINDS
20 TO 30 KT. SEAS 3.0 TO 5.5 M IN N TO NE SWELL. ELSEWHERE
WITHIN 31N35W TO 31N64W TO 23N66W TO 22N59W TO 25N47W TO 25N35W
TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO NE
SWELL.
.48 HOUR FORECAST LOW PRES NEAR 30.5N55.5W 1013 MB. WITHIN
31N49W TO 31N55W TO 30N55W TO 28N52W TO 28N50W TO 31N49W SE TO S
WINDS 20 TO 25 KT. SEAS 3.0 TO 4.5 M IN NE SWELL. ELSEWHERE
WITHIN 31N35W TO 26N52W TO 31N50W TO 31N64W TO 23N65W TO 17N53W
TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...
WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 22N35W TO 24N39W TO 21N45W TO 15N47W TO 19N42W TO
17N35W TO 22N35W E WINDS 20 TO 25 KT. SEAS 3.0 TO 3.5 M IN
MERGING NW AND E SWELL. ELSEWHERE WITHIN 25N35W TO 19N55W TO
19N64W TO 06N54W TO 07N35W TO 25N35W...INCLUDING IN ATLANTIC
EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M
IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 09N35W TO 10N36W TO 08N37W TO 08N39W TO
07N38W TO 07N35W TO 09N35W NE TO E WINDS 20 TO 25 KT. SEAS 3.0
TO 3.5 M IN NE SWELL. ELSEWHERE WITHIN 24N35W TO 23N54W TO 19N63W
TO 07N56W TO 07N35W TO 24N35W...INCLUDING IN ATLANTIC EXPOSURES
AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE TO E
SWELL.
.48 HOUR FORECAST WITHIN 23N35W TO 23N41W TO 20N41W TO 20N39W TO
21N37W TO 20N35W TO 23N35W NE TO E WINDS 20 TO 25 KT. SEAS 3.5 M
IN NE TO E SWELL. ELSEWHERE WITHIN 24N35W TO 17N61W TO 11N60W TO
06N52W TO 07N35W TO 24N35W...INCLUDING IN ATLANTIC EXPOSURES...
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE TO E SWELL.

.ATLC 12 HOUR FORECAST WITHIN 30N78W TO 31N77W TO 31N80W TO
29N80W TO 28N80W TO 29N77W TO 30N78W SE WINDS 20 TO 25 KT. SEAS
TO 2.5 M IN E TO SE SWELL.
.24 HOUR FORECAST WITHIN 31N71W TO 31N80W TO 29N80W TO 28N77W TO
29N73W TO 31N71W S WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN SE
SWELL.
.48 HOUR FORECAST WITHIN 31N73W TO 31N77W TO 30N77W TO 30N76W TO
31N73W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MERGING W AND E
SWELL.

.CARIBBEAN 03 HOUR FORECAST WITHIN 13N75W TO 13N76W TO 12N76W TO
11N76W TO 11N75W TO 12N74W TO 13N75W NE TO E WINDS 20 TO 25 KT.
SEAS TO 2.5 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 12N74W TO 13N75W TO 12N76W TO 11N76W TO
11N74W TO 12N74W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 M IN NE TO
E SWELL.
.48 HOUR FORECAST WITHIN 13N75W TO 13N76W TO 12N78W TO 11N77W TO
10N76W TO 12N74W TO 13N75W NE TO E WINDS 20 TO 30 KT. SEAS TO
3.0 M IN NE TO E SWELL.

.GULF OF AMERICA 06 HOUR FORECAST WITHIN 28N86W TO 29N86W TO
28N87W TO 26N87W TO 26N86W TO 27N86W TO 28N86W SE TO S WINDS 20
TO 25 KT. SEAS TO 2.5 M IN SE SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 28N93W TO 29N93W TO 29N94W TO 28N97W TO
27N97W TO 28N95W TO 28N93W N TO NE WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.33 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.