871
FZNT02 KNHC 200406
HSFAT2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC WED AUG 20.
24 HOUR FORECAST VALID 0000 UTC THU AUG 21.
48 HOUR FORECAST VALID 0000 UTC FRI AUG 22.
.WARNINGS.
..ATLC HURRICANE WARNING
.HURRICANE ERIN NEAR 27.7N 73.0W 959 MB AT 0300 UTC AUG 20
MOVING NNW OR 340 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 85 KT
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE
QUADRANT...200 NM SE QUADRANT...150 NM SW QUADRANT...AND 160 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 450 NM NE
QUADRANT...330 NM SE QUADRANT...180 NM SW QUADRANT...AND 420 NM
NW QUADRANT WITH SEAS TO 13.5 M. ELSEWHERE WITHIN 31N70W TO
29N74W TO 31N77W TO 25N77W TO 22N73W TO 26N66W TO 31N70W...INCLUDING
ATLC EXPOSURES...WINDS 20 TO 33 KT. SEAS 3.5 TO 6 M. REMAINDER
OF AREA WITHIN 31N63W TO 31N81W TO 30N81W TO 23N74W TO 22N70W TO
27N64W TO 31N63W...INCLUDING ATLC EXPOSURES... WINDS 20 KT OR
LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ERIN NEAR 31.6N 73.4W. 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 360 NM NE QUADRANT...300 NM
SE QUADRANT...360 NM SW QUADRANT...AND 330 NM NW QUADRANT WITH
SEAS TO 14 M. ELSEWHERE WITHIN 31N66W TO 31N80W TO 27N78W TO
26N70W TO 28N67W TO 31N66W WINDS 20 TO 33 KT. SEAS 4 TO 5.5 M.
REMAINDER OF AREA WITHIN 31N64W TO 31N81W TO 27N80W TO 24N74W TO
24N71W TO 25N68W TO 31N64W...INCLUDING ATLC EXPOSURES.. WINDS 20
KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE ERIN WELL N OF AREA NEAR 35.9N
69.8W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM
FORCE WINDS WITHIN 240 NM NE QUADRANT...270 NM SE QUADRANT...220
NM SW QUADRANT...AND 210 NM NW QUADRANT. OVER FORECAST WATERS S
OF 31N WITHIN 31N64W TO 31N70W TO 31N75W TO 29N72W TO 29N67W TO
31N64W S TO SW WINDS 25 TO 30 KT. SEAS 4 TO 5.5 M. ELSEWHERE
WITHIN 31N60W TO 29N72W TO 31N81W TO 29N80W TO 26N74W TO 26N68W
TO 31N60W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
.SYNOPSIS AND FORECAST.
.CARIBBEAN 24 HOUR FORECAST WITHIN 14N69W TO 13N74W TO 11N74W TO
12N71W TO 11N71W TO 12N68W TO 14N69W...INCLUDING THE GULF OF
VENEZUELA...NE TO 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page