513
FZNT02 KNHC 092219
HSFAT2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI OCT 9 2026
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI OCT 9.
24 HOUR FORECAST VALID 1800 UTC SAT OCT 10.
48 HOUR FORECAST VALID 1800 UTC SUN OCT 11.
.WARNINGS.
..GULF OF AMERICA HURRICANE WARNING
.HURRICANE ISAIAS NEAR 29.2N 87.0W 959 MB AT 2100 UTC OCT 09
MOVING N OR 010 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 100 KT
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE
QUADRANT...150 NM SE QUADRANT...90 NM SW QUADRANT...AND 160 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM N SEMICIRCLE...210
NM SE QUADRANT AND 180 NM SW QUADRANT WITH SEAS TO 11 M.
ELSEWHERE WITHIN 30N84W TO 30N89W TO 29N93W TO 27N92W TO 23N86W
TO 25N84W TO 30N84W WINDS 20 TO 33 KT. SEAS 3 TO 5 M. REMAINDER
OF AREA WITHIN 27N84W TO 26N91W TO 30N89W TO 28N95W TO 22N94W TO
23N84W TO 27N84W...INCLUDING IN THE WESTERN PORTION OF THE
STRAITS OF FLORIDA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN
MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL ISAIAS INLAND WELL N OF AREA
NEAR 33.4N 87.2W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. OVER
FORECAST WATERS...WITHIN 29N84W TO 28.5N85W TO 28N86W TO 26N87W
TO 27N85W TO 28N83W TO 29N84W WINDS 20 KT OR LESS. SEAS TO 2.5 M
IN RESIDUAL MIXED SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 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.
.ATLC COLD FRONT FROM 31N572W TO 29N61W TO 30N65W THEN
STATIONARY FRONT TO 30.5N70W TO 31N77W AND TO 30N81W. WITHIN
31N78W TO 31N81W TO 30N81W TO 29N80W TO 30N78W TO 31N78W E WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST WARM FRONT NEAR 31N W OF 69W. WITHIN 31N78W TO
31N81W TO 30N81W TO 29N80W TO 30N78W TO 31N78W WINDS 20 KT OR
LESS. SEAS TO 2.5 M IN NE TO E SWELL.
.18 HOUR FORECAST WARM FRONT TO LIFT WELL N OF AREA. WINDS 20 KT
OR LESS. SEAS LESS THAN 2.5 M.
.ATLC AND CARIBBEAN 30 HOUR FORECAST WITHIN 21N72W TO 21N73W TO
20N74W TO 20N73W TO 20N71W TO 21N72W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.ATLC 48 HOUR FORECAST COLD FRONT FROM 31N44W TO 27N65W. WITHIN
31N44W TO 31N66W TO 27N65W TO 28N50W TO 31N44W NE TO E WINDS 20 TO
25 KT. SEAS TO 2.5 M.
.CARIBBEAN 06 HOUR FORECAST WITHIN 13N69W TO 14N71W TO 12N73W TO
12N71W TO 11N71W TO 12N69W TO 13N69W...INCLUDING IN THE GULF OF
VENEZUELA...E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 12N70W TO 13N71W TO 13N74W TO 12N73W
TO 11N70W TO 12N70W...INCLUDING IN 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.
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