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National Hurricane Center Advisories · Source

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WTNT24 KWNH 102037

TCMAT4

Post-Tropical Cycle Isaias Forecast/Advisory Number 17

NWS WEATHER Prediction Center COLLEGE PARK MD AL092026

2100 UTC SAT 10 Oct 2026

A post-tropical circulation center is located near 33.5N 86.9W at 10/2100Z

Accurate positioning within 20 nm

Present heading north-northeast or 25 degrees at 13 KT

Minimum estimated central pressure 1007 MB

Maximum sustained winds 25 KT with gusts up to 35 KT.

4 M SEAS.... 0NE 0SE 0SW 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 33.5N 86.9W at 10/2100Z

AT 10/1800Z CENTER was located near 33.0N 87.1W

FORECAST VALID 11/0600Z 35.2N 86.0W...POST-TROP/INLAND

MAX WIND 25 KT...GUSTS 35 KT.

The forecast is valid for 11/1800Z 37.9N 81.9W...post-trop/inland

MAX WIND 25 KT...GUSTS 35 KT.

Forecast valid 12/1800Z...request for 3 ship reports per hour within 300 miles of 33.5N 86.9W expired

Next consultation at 11/0300Z

Prophet Roth