167
FZNT02 KNHC 202115
HSFAT2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED AUG 20.
24 HOUR FORECAST VALID 1800 UTC THU AUG 21.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 22.
.WARNINGS.
..HURRICANE WARNING
.HURRICANE ERIN NEAR 31.2N 73.6W 943 MB AT 2100 UTC AUG 20
MOVING N OR 360 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 95 KT GUSTS
115 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM W
SEMICIRCLE...220 NM NE QUADRANT AND 230 NM SE QUADRANT. SEAS 4 M
OR GREATER WITHIN 450 NM NE QUADRANT...420 NM SE QUADRANT...330
NM SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS TO 15 M.
ELSEWHERE WITHIN 31N67W TO 31N78W TO 28N77W TO 26N74W TO 26N69W
TO 27N68W TO 31N67W WINDS 20 TO 33 KT. SEAS 4.0 TO 9.0 M.
REMAINDER OF AREA WITHIN 31N62W TO 31N81W TO 29N81W TO 23N74W TO
23N70W TO 25N66W TO 31N62W...INCLUDING ATLANTIC EXPOSURES...WINDS
20 KT OR LESS. SEAS 2.5 TO 5.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ERIN NEAR 35.5N 70.6W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 230 NM N SEMICIRCLE...240 NM SE QUADRANT AND 220 NM SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 360 NM NE QUADRANT...450 NM
SE QUADRANT...480 NM SW QUADRANT...AND 330 NM NW QUADRANT WITH
SEAS TO 17 M. ELSEWHERE WITHIN 31N64W TO 31N74W TO 28N71W TO
28N69W TO 31N64W WINDS 20 TO 33 KT. SEAS 3.5 TO 6.5 M. REMAINDER
OF AREA WITHIN 31N61W TO 29N72W TO 31N80W TO 28N80W TO 26N72W TO
27N65W TO 31N61W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 2.5 TO 5.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE ERIN NEAR 39.2N 63.0W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 240 NM S SEMICIRCLE...300 NM NE QUADRANT AND 250 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 360 NM NE QUADRANT...540 NM
SE QUADRANT...660 NM SW QUADRANT...AND 420 NM NW QUADRANT WITH
SEAS TO 15.5 M. ELSEWHERE WITHIN 31N61W TO 31N63W TO 30.5N63W TO
30.5N62.5W TO 31N61W WINDS 20 TO 25 KT. SEAS 3.5 TO 4.5 M.
REMAINDER OF AREA WITHIN 31N57W TO 31N79W TO 27N73W TO 27N67W TO
31N57W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
.ATLC 45 HOUR FORECAST WITHIN 20N58W TO 22N59W TO 21N60W TO
18N59W TO 19N58W TO 20N58W SE TO S WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.48 HOUR FORECAST WITHIN 22N58W TO 22N59W TO 21N61W TO 19N60W TO
18N59W TO 22N58W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.CARIBBEAN WITHIN 13N72W TO 13N74W TO 12N73W TO 11N70W TO 12N69W
TO 12N72W TO 13N72W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST WITHIN 13N72W TO 14N74W TO 13N75W TO 12N74W TO
12N69W TO 13N72W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.45 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 ADAMS. NATIONAL HURRICANE CENTER.
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