Fri, 09 Oct 2026 07:53:37 +0000 Fri, 09 Oct 2026 07:53:37 +0000 National Hurricane Center - High Seas Forecast (Atlantic) https://www.nhc.noaa.gov/ none nhcwebmaster@noaa.gov (nhcwebmaster) en-us nhcwebmaster@noaa.gov (nhcwebmaster) https://www.nhc.noaa.gov/gifs/xml_logo_nhc.gif https://www.nhc.noaa.gov/ NOAA logo 95 45 FZNT02 KNHC 090327
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI OCT 9.
24 HOUR FORECAST VALID 0000 UTC SAT OCT 10.
48 HOUR FORECAST VALID 0000 UTC SUN OCT 11.

.WARNINGS.

...GULF OF AMERICA HURRICANE WARNING...
.HURRICANE ISAIAS NEAR 25.4N 88.4W 969 MB AT 0300 UTC OCT 09
MOVING NE OR 040 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 90 KT
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM N
SEMICIRCLE...90 NM SE QUADRANT AND 70 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 90 NM OF CENTER WITH SEAS TO 10.0 M. ELSEWHERE
WITHIN 27N87W TO 29N84W TO 29N92W TO 26N94W TO 23N90W TO 22N86W
TO 27N87W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA
WITHIN 27N87W TO 29N84W TO 29N92W TO 24N95W TO 22N91W TO 23N86W
TO 27N87W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ISAIAS NEAR 29.9N 87.1W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 60 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM N SEMICIRCLE...180
NM SE QUADRANT AND 240 NM SE QUADRANT WITH SEAS TO 10.5 M.
ELSEWHERE WITHIN 29N84W TO 30N85W TO 29N87W TO 29N92W TO
27N92W TO 27N84W TO 29N84W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M.
REMAINDER OF AREA WITHIN 30N84W TO 28N95W TO 24N95W TO 24N88W TO
26N83W TO 30N84W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED
SWELL.
.36 HOUR FORECAST TROPICAL STORM ISAIAS INLAND NEAR 32.2N 87.3W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.48 HOUR FORECAST POST-TROPICAL ISAIAS NEAR 34.1N 87.5W. MAXIMUM
SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST WATERS WITHIN
30N86W TO 30N89W TO 30N90W TO 29N88W TO 29N86W TO 30N86W WINDS
20 TO 25 KT. 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 WITHIN 18N35W TO 18N37W TO 17N38W TO 14N38W TO 13N36W TO
13N35W TO 18N35W WINDS 20 KT OR LESS. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 19N35W TO 18N40W TO 14N41W TO 12N40W TO
11N35W TO 19N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.48 HOUR FORECAST WITHIN 23N35W TO 22N38W TO 20N40W TO 17N39W TO
14N37W TO 14N35W TO 23N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NE SWELL.

.ATLC 12 HOUR FORECAST STATIONARY FRONT FROM 31N67W TO 29N81W. WITHIN
31N79W TO 31N81W TO 29N81W TO 29N79W TO 30N78W TO 31N79W E WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST STATIONARY FRONT FROM 31N67W TO 29N81W. WITHIN
31N79W TO 31N81W TO 30N81W TO 30N79W TO 31N79W E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST WARM FRONT NORTH OF AREA. CONDITIONS IMPROVE.
WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.CARIBBEAN 24 HOUR FORECAST WITHIN 13N70W TO 14N74W TO 11N75W TO
12N72W TO 11N71W TO 12N69W TO 13N70W...INCLUDING 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 DELGADO. NATIONAL HURRICANE CENTER.]]> Fri, 09 Oct 2026 03:29:27 +0000 https://www.nhc.noaa.gov/text/MIAHSFAT2.shtml 202610090329 nhcwebmaster@noaa.gov (nhcwebmaster)