Isaias 2026

AL092026 Advisory Number 3,

DISCLAIMER This is not official information or modeling, I’m just a dude on the internet. Please follow all guidance from NOAA and your local officials.

Windfield Map

gis_img

  • as of 2026-10-07T09:02:25+00:00
  • 100px per degree
  • GWAF 0.9
  • No Friction
  • default radius of maximum wind is 15kts

Data Files

Download Zip

File List:

  • isaias2026_100x100.csv
  • isaias2026_100x100.png
  • isaias2026_100x100.wld
  • isaias2026_100x100_2026-10-07T090200+0000.jpeg

Official Advisory Discussion

At 400 AM CDT (0900 UTC), the center of Tropical Storm Isaias was located near latitude 22.0 North, longitude 94.1 West. Isaias is moving toward the east-northeast near 8 mph (13 km/h). A continued east-northeastward motion is expected today, followed by a turn toward the northeast and north on Thursday and Friday. On the forecast track, Isaias is expected to pass to the north of the Yucatan Peninsula on Thursday and approach the U.S. northern Gulf Coast on Friday.

Maximum sustained winds have increased to near 40 mph (65 km/h) with higher gusts. Rapid strengthening is forecast over the next day or two, and Isaias is expected to become a hurricane by Thursday.

Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center.

The estimated minimum central pressure is 1004 mb (29.65 inches).

HAZARDS AFFECTING LAND

Key messages for Isaias can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC.

RAINFALL: Isaias is expected to produce rainfall amounts of 2 to 4 inches through Thursday across coastal portions of the Bay of Campeche with isolated higher amounts possible in the states of Campeche and western Yucatan.

From Friday through the weekend, Isaias is expected to produce rainfall amounts of 3 to 6 inches, with localized totals up to 10 inches, across the northern U.S. Gulf Coast extending from far southeastern Louisiana to the Florida Panhandle. Rainfall amounts of 1 to 3 inches, with localized amounts up to 5 inches, are possible across much of the Southeast as far north as the Tennessee Valley and the Carolinas. Flash and urban flooding, along with isolated river flooding, will be possible.

For a complete depiction of forecast rainfall associated with Isaias, please see the National Weather Service Storm Total Rainfall Graphic available at hurricanes.gov/graphics_at4.shtml?rainqpf and the Flash Flood Risk graphic at hurricanes.gov/graphics_at4.shtml?ero.

WIND: Gusty winds are possible in portions of the Yucatan Peninsula on Thursday.

SURF: Swells are expected to affect the western and northern portions of the Yucatan Peninsula beginning on Thursday and spread northward toward the Gulf Coast late this week. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office.

A depiction of rip current risk for the United States can be found at: hurricanes.gov/graphics_at4.shtml?ripCurrents

NEXT ADVISORY

Next complete advisory at 1000 AM CDT.

$$