172
FZNT02 KNHC 211455
HSFAT2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE OCT 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE OCT 21.
24 HOUR FORECAST VALID 1200 UTC WED OCT 22.
48 HOUR FORECAST VALID 1200 UTC THU OCT 23.
.WARNINGS.
..CARIBBEAN TROPICAL STORM WARNING
.TROPICAL STORM MELISSA NEAR 14.3N 71.7W 1003 MB AT 1500 UTC OCT
21 MOVING W OR 280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE
QUADRANT...70 NM SE QUADRANT...0 NM SW QUADRANT...AND 40 NM NW
QUADRANT. SEAS TO 4 M WITHIN 90 NM NE AND 45 NM NW QUADRANTS OF
THE CENTER. ELSEWHERE WITHIN 18N67W TO 17N73W TO 14N73W TO 13N70W
TO 13N68W TO 15N67W TO 18N67W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0
M.
.24 HOUR FORECAST TROPICAL STORM MELISSA NEAR 14.8N 73.5W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...30 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 90 NM NE...75 NM NW...AND 45 NM S SEMICIRCLE WITH SEAS TO
6.5 M. ELSEWHERE WITHIN 17N71W TO 18N73W TO 17N77W TO 15N77W TO
13N74W TO 13N69W TO 17N71W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
.48 HOUR FORECAST TROPICAL STORM MELISSA NEAR 15.7N 74.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...30 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 90 NM NE AND 105 NM NW QUADRANTS...AND 60 NM S SEMICIRCLE
WITH SEAS TO 7 M. ELSEWHERE WITHIN 18N72W TO 18N75W TO 16N77W TO 14N75W TO
14N73W TO 16N72W TO 18N72W WINDS 20 TO 33 KT. SEAS 3 TO 4 M.
REMAINDER OF AREA WITHIN 18N71W TO 19N76W TO 16N79W TO 15N78W TO 14N74W TO
16N71W TO 18N71W 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 WITHIN 18N53W TO 18N62W TO 13N59W TO 12N56W TO 16N52W TO
18N53W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC WITHIN 31N37W TO 31N48W TO 30N41W TO 31N38W TO 31N37W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.24 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 CHRISTENSEN. NATIONAL HURRICANE CENTER.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page