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National Hurricane Center Advisories · Source

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WTNT24 KWNH 101457

TCMAT4

Post-Tropical Cycle Isaiah Forecast/Advisory Number 16

NWS WEATHER Prediction Center COLLEGE PARK MD AL092026

1500 UTC SAT 10 Oct 2026

A post-tropical circulation center is located near 32.8N 86.8W at 10/1500Z

Accurate positioning within 10 nm

Present heading north-northwest or 335 degrees at 9 KT

Minimum estimated central pressure 1006 mega

Maximum sustained winds 30 KT with gusts up to 40 KT.

4 M SEAS.... 0NE 120SE 210SW 0NW.

WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL

MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

Go back...the center is located near 32.8N 86.8W at 10/1500Z

AT 10/1200Z CENTER was located near 32.3N 86.7W

The forecast is valid for 11/0000Z 34.0N 87.4W...post-trop/inland

MAX WIND 30 KT...gusts 40 KT.

The forecast is valid for 11/1200Z 36.7N 85.5W...post-trop/inland

MAX WIND 25 KT...GUSTS 35 KT.

FORECAST VALID 12/0000Z 38.3N 81.0W... POST-TROP/INLAND

MAX WIND 20 KT...gusts 30 KT.

Forecast valid 12/1200Z...discontinued

Request for 3 ship reports per hour within 300 miles of 32.8N 86.8W

Next consultation on 10/2100Z

The forecaster Chenard