FZNT02 KNHC 091551
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI OCT 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI OCT 09.
24 HOUR FORECAST VALID 1200 UTC SAT OCT 10.
48 HOUR FORECAST VALID 1200 UTC SUN OCT 11.

.WARNINGS.

...GULF OF AMERICA HURRICANE WARNING...
.HURRICANE ISAIAS NEAR 27.7N 87.3W 959 MB AT 1500 UTC OCT 09
MOVING NNE OR 025 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 105 KT
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 180 NM NE
QUADRANT...110 NM SE QUADRANT...80 NM SW QUADRANT...AND 160 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM E SEMICIRCLE...120
NM SW QUADRANT AND 150 NM NW QUADRANT WITH SEAS TO 11 M. ELSEWHERE
WITHIN 30N84W TO 30N89W TO 29N94W TO 27N94W TO 23N85W 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 TROPICAL STORM ISAIAS INLAND NEAR 32.1N 87.1W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...30 NM SW
QUADRANT...AND 60 NM NW QUADRANT. OVER FORECAST WATERS...WITHIN
WITHIN 30N84W TO 31N87W TO 30N89W TO 29N87W TO 26N86W TO 29N83W
TO 30N84W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. WITHIN
26N89W TO 28N90W TO 27N97W TO 22N95W TO 23N90W TO 26N89W WINDS
20 KT OR LESS. SEAS 2.5 TO 3 M IN NE SWELL.
.36 HOUR FORECAST POST-TROPICAL ISAIAS WELL INLAND NEAR 34.2N
87.2W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. OVER FORECAST
WATERS...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 31N62W TO 30N66W THEN STATIONARY FRONT TO
31N76W 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.
.18 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.
.24 HOUR FORECAST WARM FRONT TO LIFT WELL N OF AREA. WINDS 20 KT
OR LESS. SEAS LESS THAN 2.5 M.

.ATLC WITHIN 17N35W TO 17N39W TO 15N38W TO 13N37W TO 13N35W TO
17N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 21N35W TO 18N42W TO 14N43W TO 12N42W TO
12N37W TO 14N35W TO 21N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN NE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC AND CARIBBEAN 36 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 LITTLE CHANGE.

.CARIBBEAN 12 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.
.30 HOUR FORECAST WITHIN 14N71W TO 13N75W TO 11N75W TO 12N72W TO
11N72W TO 11N70W TO 14N71W...INCLUDING IN THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.