TCMAT4
TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER 6
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092026
0300 UTC THU OCT 08 2026
TROPICAL STORM CENTER LOCATED NEAR 22.9N 91.9W AT 08/0300Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 70 DEGREES AT 8 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 988 MB
MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT.
50 KT....... 20NE 20SE 10SW 0NW.
34 KT....... 50NE 40SE 40SW 40NW.
4 M SEAS.... 30NE 45SE 45SW 30NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 22.9N 91.9W AT 08/0300Z
AT 08/0000Z CENTER WAS LOCATED NEAR 22.7N 92.3W
FORECAST VALID 08/1200Z 23.4N 90.7W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 10NE 10SE 0SW 0NW.
50 KT... 30NE 30SE 20SW 20NW.
34 KT... 70NE 60SE 50SW 60NW.
FORECAST VALID 09/0000Z 24.7N 89.1W
MAX WIND 85 KT...GUSTS 105 KT.
64 KT... 15NE 15SE 10SW 10NW.
50 KT... 40NE 40SE 30SW 20NW.
34 KT...100NE 90SE 60SW 90NW.
FORECAST VALID 09/1200Z 26.8N 87.9W
MAX WIND 95 KT...GUSTS 115 KT.
64 KT... 20NE 25SE 15SW 20NW.
50 KT... 60NE 50SE 30SW 35NW.
34 KT...120NE 110SE 70SW 110NW.
FORECAST VALID 10/0000Z 29.6N 87.3W
MAX WIND 90 KT...GUSTS 110 KT.
64 KT... 25NE 25SE 15SW 20NW.
50 KT... 50NE 50SE 30SW 40NW.
34 KT...140NE 120SE 70SW 110NW.
FORECAST VALID 10/1200Z 32.5N 87.5W...INLAND
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 20SE 0SW 0NW.
34 KT...110NE 100SE 50SW 70NW.
FORECAST VALID 11/0000Z 35.1N 88.0W...POST-TROP/INLAND
MAX WIND 25 KT...GUSTS 35 KT.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
OUTLOOK VALID 12/0000Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.9N 91.9W
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 08/0600Z
NEXT ADVISORY AT 08/0900Z
$$
FORECASTER REINHART
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU OCT 08 2026
CCODE/2:31:04:11:00/AOE+AOW/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.
ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).
FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND
ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS
WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE
CONTINUITY WHERE APPROPRIATE.
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0000 UTC OCT 08.
24 HOUR FORECAST VALID 0000 UTC OCT 09.
48 HOUR FORECAST VALID 0000 UTC OCT 10.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 57N47W 984 MB MOVING NE 30 KT AND
SECOND CENTER 61N38W 989 MB MOVING NE 15 KT. WITHIN 60 NM NW OF
A LINE FROM 58N46W TO 58N42W TO 62N39W WINDS 40 TO 50 KT. SEAS 4
TO 6.5 M. ELSEWHERE N OF A LINE FROM 42N35W TO 50N50W WINDS 25
TO 40 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST COMBINED LOW E OF AREA NEAR 64N25W 982 MB. N
OF A LINE FROM 54N35W TO 59N44W WINDS 25 TO 40 KT. SEAS 4 TO 7
M. ALSO N OF 49N E OF 45W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
...GALE WARNING...
.LOW 57N55W 994 MB MOVING SE 10 KT. WITHIN 300 NM N OF A LINE
FROM 49N50W TO 54N57W WINDS 25 TO 35 KT. SEAS 3.5 TO 5 M.
ELSEWHERE N OF 56N BETWEEN 55W AND 63W WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED ABOVE
WITH LOW 64N25W.
...GALE WARNING...
.LOW 32N69W 1009 MB MOVING NE 35 KT. FROM 31N TO 35N BETWEEN 61W
AND 73W WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 37N54W 1012 MB. FROM 34N TO 39N BETWEEN
52W AND 56W WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 45N36W 1009 MB. WITHIN 300 NM SE
QUADRANT...AND WITHIN 300 NM SE OF A FRONT FROM LOW TO 39N46W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST INLAND LOW 53N62W 1000 MB. WITHIN 300 NM E OF
A FRONT FROM LOW TO 47N63W TO 40N70W WINDS 20 TO 30 KT. SEAS TO
3 M.
.48 HOUR FORECAST LOW 59N52W 989 MB. WITHIN 360 NM NE AND 600 NM
SE QUADRANTS...AND N OF 53N W OF 52W WINDS 20 TO 30 KT. SEAS TO
4 M...HIGHEST NEAR 56N45W.
.48 HOUR FORECAST INLAND LOW 52N61W 1002 MB. WITHIN 780 NM S
QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 31N TO 33N W OF 73W AREA OF NE TO E WINDS
20 TO 30 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 58N TO 61N
BETWEEN 44W AND 54W...AND N OF 61N E OF 42W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 62N BETWEEN 48W AND 61W.
.LIGHT FREEZING SPRAY N OF 65N WITHIN 60 NM E OF THE GREENLAND
COAST.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 64N WITHIN 60 NM E
OF THE GREENLAND COAST.
.FORECASTER KELLS. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 0000 UTC THU OCT 8.
24 HOUR FORECAST VALID 0000 UTC FRI OCT 9.
48 HOUR FORECAST VALID 0000 UTC SAT OCT 10.
.WARNINGS.
...HURRICANE WARNING...
.TROPICAL STORM ISAIAS NEAR 22.9N 91.9W 988 MB AT 0300 UTC OCT
08 MOVING ENE OR 070 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM OF CENTER
EXCEPT 50 NM NE QUADRANT. SEAS 4 M OR GREATER WITHIN 30 NM N
SEMICIRCLE AND 45 NM S SEMICIRCLE WITH SEAS TO 6.0 M. ELSEWHERE
WITHIN 25N92W TO 23N95W TO 22N95W TO 20N93W TO 20N92W TO 22N90W
TO 25N92W WINDS 20 TO 33 KT. SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST HURRICANE ISAIAS NEAR 23.4N 90.7W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.24 HOUR FORECAST HURRICANE ISAIAS NEAR 24.7N 89.1W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 60 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 105 NM NE QUADRANT...
120 NM SE QUADRANT...105 NM SW QUADRANT AND 120 NM NW QUADRANT
WITH SEAS TO 9.0 M. ELSEWHERE WITHIN 26N86W TO 27N89W TO 25N94W
TO 22N91W TO 23N86W TO 26N86W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5
M.
.48 HOUR FORECAST HURRICANE ISAIAS NEAR 29.6N 87.3W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 140 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW
QUADRANT...AND 110 NM NW QUADRANT. SEAS 4M OR GREATER
WITHIN 60 NM N SEMICIRCLE AND 240 NM S SEMICIRCLE WITH SEAS TO
10.0 M. ELSEWHERE WITHIN 30N84W TO 28N88W TO 30N93W TO 24N96W TO
24N86W TO 25N83W TO 30N84W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5 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 39 HOUR FORECAST WITHIN 31N79W TO 31N81W TO 31N82W TO
29N81W TO 30N79W TO 31N79W E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0
M IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 31N78W TO 31N81W TO 29N81W TO 30N79W TO
31N78W E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.GULF OF AMERICA WITHIN 20N94W TO 21N95W TO 21N96W TO 20N97W TO
19N96W TO 19N95W TO 20N94W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ... NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 20N95W TO 21N95W TO 21N96W TO 20N97W TO
19N96W TO 19N95W TO 20N95W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ... NW WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA WITHIN 29N84W TO 30N85W TO 30N86W TO 29N87W TO
28N86W TO 28N84W TO 29N84W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST WITHIN 29N84W TO 30N88W TO 29N93W TO 26N96W TO
25N94W TO 28N90W TO 29N84W NE TO E WINDS 20 TO 30 KT. SEAS 2.5
M TO 3.0 M.
.48 HOUR FORECAST CONDITIONS MERGED WITH HURRICANE ISAIAS.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.