410
FZNT02 KNHC 181008
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON AUG 18.
24 HOUR FORECAST VALID 0600 UTC TUE AUG 19.
48 HOUR FORECAST VALID 0600 UTC WED AUG 20.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE ERIN NEAR 22.8N 70.2W 945 MB AT 0900 UTC AUG 18
MOVING NW OR 305 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 115 KT
GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM E
SEMICIRCLE...120 NM SW QUADRANT AND 170 NM NW QUADRANT.  SEAS 4
M OR GREATER WITHIN 240 NM NW AND SE QUADRANTS...300 NM NE
QUADRANT AND 150 NM SW QUADRANT WITH SEAS TO 14 M. ELSEWHERE
WITHIN 28N64W TO 30N70W TO 26N76W TO 20N73W TO 19N65W TO 23N63W
TO 28N64W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 TO 33 KT.
SEAS 4.0 TO 5.5 M.
.24 HOUR FORECAST HURRICANE ERIN NEAR 25.0N 72.2W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS
WITHIN 200 NM E SEMICIRCLE...140 NM SW QUADRANT AND 180 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 300 NM NE QUADRANT...270 NM
SE QUADRANT...225 NM SW QUADRANT AND 360 NM NW QUADRANT WITH
SEAS TO 15 M. ELSEWHERE WITHIN 29N67W TO 30N72W TO 24N76W TO
20N73W TO 20N69W TO 24N65W TO 29N67W...INCLUDING ATLANTIC
EXPOSURES...WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. REMAINDER OF
AREA WITHIN 31N63W TO 30N73W TO 31N81W TO 26N77W TO 21N66W TO
24N64W TO 31N63W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 3.0 TO 4.5 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE ERIN NEAR 28.6N 73.4W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 210 NM NE QUADRANT...220 NM SE QUADRANT...170 NM SW
QUADRANT...AND 180 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 345
NM NE QUADRANT...300 NM SE QUADRANT...300 NM SW QUADRANT AND 360
NM NW QUADRANT WITH SEAS TO 15 M. ELSEWHERE WITHIN 29N66W TO
31N68W TO 31N78W TO 27N78W TO 24N73W TO 26N67W TO
29N66W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 TO 33 KT. SEAS
5.5 TO 7.0 M. REMAINDER OF AREA WITHIN 31N63W TO 31N81W TO 28N81W
TO 23N75W TO 22N69W TO 25N65W TO 31N63W...INCLUDING ATLANTIC
EXPOSURES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 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.

.SYNOPSIS AND FORECAST.

.ATLC 06 HOUR FORECAST WITHIN 31N46W TO 31N50W TO 30.5N50W TO
30N49.5W TO 30.5N47.5W TO 31N46W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N43W TO 31N47W TO 30.5N46.5W TO
30N45W TO 30.5N43.5W TO 31N43W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW TO N SWELL.
.36 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 RAMOS. NATIONAL HURRICANE CENTER.