635
FZNT02 KNHC 211511
HSFAT2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU AUG 21.
24 HOUR FORECAST VALID 1200 UTC FRI AUG 22.
48 HOUR FORECAST VALID 1200 UTC SAT AUG 23.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC HURRICANE ERIN N OF AREA NEAR 35.4N 70.9W 952 MB. OVER
FORECAST WATERS WITHIN 31N65W TO 31N77W TO 27N72W TO 27N70W TO
29N66W TO 31N65W SW WINDS 20 TO 30 KT. SEAS 5.0 TO 7.0 M.
ELSEWHERE WITHIN 31N61W TO 29N74W TO 31N81W TO 28N80W TO 25N73W
TO 26N64W TO 31N61W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT
OR LESS. SEAS 2.5 TO 5.0 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N61.5W TO 31N66W TO 30.5N65W TO
30N62.5W TO 31N61.5W SW WINDS 20 TO 25 KT. SEAS 4.0 TO 5.0 M.
ELSEWHERE WITHIN 31N58W TO 31N79W TO 27N75W TO 26N70W TO 29N60W
TO 31N58W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW TO N
SWELL.
.48 HOUR FORECAST WITHIN 31N50W TO 31N77W TO 28N77W TO 22N61W TO
27N59W TO 31N50W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NW TO
N SWELL.
.CARIBBEAN WITHIN 14N70W TO 15N72W TO 15N75W TO 11N76W TO 12N72W
TO 11N70W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...E WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 12N75W TO 13N76W TO 12N76W TO 11N76W TO
11N75W TO 12N75W E WINDS 20 TO 25 KT. SEAS 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.CARIBBEAN 36 HOUR FORECAST WITHIN 16N85W TO 17N86W TO 16N87W TO
16N86W TO 16N85W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 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 ERA. NATIONAL HURRICANE CENTER.
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