154
FZNT02 KNHC 182203
HSFAT2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON AUG 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON AUG 18.
24 HOUR FORECAST VALID 1800 UTC TUE AUG 19.
48 HOUR FORECAST VALID 1800 UTC WED AUG 20.
.WARNINGS.
..HURRICANE WARNING
.HURRICANE ERIN NEAR 24.0N 71.3W 937 MB AT 2100 UTC AUG 18
MOVING NW OR 310 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 120 KT
GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM E
SEMICIRCLE...140 NM SW QUADRANT AND 170 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 420 NM NE QUADRANT...360 NM SE QUADRANT...180
NM SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS TO 13.5 M.
ELSEWHERE WITHIN 25N66W TO 27N68W TO 27N73W TO 21N75W TO 19N68W
TO 21N66W TO 25N66W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 TO
33 KT. SEAS 5.5 TO 7.0 M. REMAINDER OF AREA WITHIN 31N66W TO
27N69W TO 31N75W TO 26N77W TO 19N68W TO 22N63W TO 31N66W WINDS 20
KT OR LESS. SEAS 2.5 TO 5.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ERIN NEAR 26.5N 72.8W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM E SEMICIRCLE...150 NM SW QUADRANT AND 180 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 360 NM NE QUADRANT...300 NM
SE QUADRANT...210 NM SW QUADRANT AND 360 NM NW QUADRANT WITH SEAS
TO 14.5 M. ELSEWHERE WITHIN 27N67W TO 31N70W TO 29N76W TO 25N77W
TO 22N74W TO 24N68W TO 27N67W...INCLUDING ATLANTIC
EXPOSURES...WINDS 20 TO 33 KT. SEAS 5.5 TO 7.5 M. REMAINDER OF
AREA WITHIN 31N64W TO 29N68W TO 31N81W TO 26N78W TO 21N69W TO
24N64W TO 31N64W WINDS 20 KT OR LESS. SEAS 2.5 TO 5.5 M IN MIXED
SWELL.
.48 HOUR FORECAST HURRICANE ERIN NEAR 30.5N 73.7W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM W SEMICIRCLE...210 NM NE QUADRANT AND 220 NM SE
QUADRANT. SEAS 4 M OR GREATER WITHIN 360 NM IN E SEMICIRCLE...360
NM SW QUADRANT...AND 300 NM NW QUADRANT WITH SEAS TO 17.5 M.
ELSEWHERE WITHIN 31N67W TO 31N78W TO 27N77W TO 25N74W TO 25N71W
TO 27N68W TO 31N67W WINDS 20 TO 33 KT. SEAS 5.5 TO 7.5 M.
REMAINDER OF AREA WITHIN 31N64W TO 31N81W TO 29N81W TO 23N73W TO
23N70W TO 25N66W TO 31N64W...INCLUDING ATLANTIC EXPOSURES...WINDS
20 KT OR LESS. SEAS 2.5 TO 5.5 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.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N42W TO 31N51.5W TO 30N50W TO 30.5N46W TO
30.5N43W TO 31N42W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.21 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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