788
FZNT02 KNHC 210415
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU AUG 21.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 22.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 23.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.HURRICANE ERIN N OF AREA NEAR 32.8N 73.1W 942 MB AT 0300 UTC
AUG 21 MOVING N OR 010 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 95
KT GUSTS 115 KT. WITHIN 31N69W TO 31N72W TO 31N76W TO 30N74W TO
29N73W TO 30N71W TO 31N69W SW TO W WINDS 30 TO 40 KT. SEAS 8 TO 11.5
M. ELSEWHERE WITHIN 31N66W TO 29N72W TO 31N79W TO 29N77W TO 27N74W
TO 27N69W TO 31N66W S TO SW WINDS 25 TO 30 KT. SEAS 5 TO 6.5 M.
REMAINDER OF AREA WITHIN 31N62W TO 31N81W TO 27N80W TO 23N74W TO
23N70W TO 25N66W TO 31N62W...INCLUDING ATLC EXPOSURES...S TO SW
WINDS 20 TO 25 KT. SEAS 2.5 TO 4 IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ERIN WELL N OF AREA. WITHIN 31N62W
TO 31N72W TO 29N69W TO 29N65W TO 31N62W SW WINDS 20 TO 30 KT.
SEAS 4 TO 5.5 M. ELSEWHERE WITHIN 31N59W TO 29N70W TO 31N81W TO
27N78W TO 26N71W TO 27N64W TO 31N59W WINDS 20 KT OR LESS. SEAS
2.5 TO 4 M IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 31N54W TO 31N79W TO 26N74W TO 25N67W TO
27N60W TO 31N54W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M IN NW TO N
SWELL...EXCEPT N TO NE SWELL W OF 72W.

.SYNOPSIS AND FORECAST.

.ATLC 36 HOUR FORECAST ATLC AND CARIBBEAN TROPICAL WAVE FROM
22N59W TO 16N62W TO 09N65W. WITHIN 19.5N58W TO 20N61W TO 18N61W
TO 17N60W TO 18N58W TO 19.5N58W E TO SE WINDS 20 TO 25 KT. SEAS
TO 2.5M.
.48 HOUR FORECAST TROPICAL WAVE FROM 22N61W TO 18N64W TO 10N66W.
WITHIN 22N61W TO 20N62W TO 19N61W TO 20N61W TO 22N61W SE TO S
WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.

.CARIBBEAN WITHIN 14N70W TO 13N74W TO 11N73W TO 12N72W TO 11N71W
TO 12N69W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 14N70W TO 13N74W TO 11N73W TO 12N72W TO
11N71W TO 12N69W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN 45 HOUR FORECAST WITHIN 17N85W TO 17N86W TO 17N87W TO
16N86W TO 16N85W TO 17N85W E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.