Isaac Becomes A Post-Tropical Cyclone Post-Tropical Cyclone
Tropics Forecast Cone at 9:05 Monday Evening, September 30th
Location
480 miles NNW of The Azores
Wind
60 mph
Heading
ENE at 17 mph
Pressure
29.03
Coordinates
29.1W, 44.8N
Discussion At 300 PM GMT (1500 UTC), the center of Post-Tropical Cyclone Isaac was located near latitude 44.8 North, longitude 29.1 West. The post-tropical cyclone is moving toward the east-northeast near 17 mph (28 km/h) and a turn to the northeast is expected with a similar forward motion for the next several days.
Maximum sustained winds have decreased to near 60 mph (95 km/h) with higher gusts. Gradual weakening is forecast over the next several days.
Tropical-storm-force winds extend outward up to 185 miles (295 km) from the center.
The estimated minimum central pressure is 983 mb (29.03 inches).
Tropics Satellite at 9:08 Monday Evening, September 30th
Watches and Warnings There are no coastal watches or warnings in effect.
Tropics Models at 9:04 Monday Evening, September 30th
Land Hazards SURF: Swells generated by Isaac will affect the Azores over the next few days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office.
Some Northwest Side apartment residents spend 2 days without electricity ▶ 0:51
Some Northwest Side apartment residents spend 2 days without electricity
San Antonio blood donations needed after Austin mass shooting impacts inventory ▶ 0:25
San Antonio blood donations needed after Austin mass shooting impacts inventory
FIRST 24/7 P. Terry’s location in San Antonio! ▶ 0:55
FIRST 24/7 P. Terry’s location in San Antonio!
War in Middle East leaves San Antonio family trapped in Israel ▶ 0:51
War in Middle East leaves San Antonio family trapped in Israel
Here's your best chance to see the total lunar eclipse on Tuesday ▶ 0:25
Here's your best chance to see the total lunar eclipse on Tuesday
Get ready for election day in Bexar County- What are the big races happening? ▶ 0:50
Get ready for election day in Bexar County- What are the big races happening?
Faith leaders finish 90-mile walk calling for release of children, parents in ICE custody ▶ 0:32
Faith leaders finish 90-mile walk calling for release of children, parents in ICE custody
Iranian ballistic missile attacks strike heart of Tel Aviv ▶ 1:37
Iranian ballistic missile attacks strike heart of Tel Aviv
Highlights from President Trump's speech at the Port of Corpus Christi ▶ 2:24
Highlights from President Trump's speech at the Port of Corpus Christi
San Antonio Mayor Gina Ortiz Jones censured in historic first ▶ 1:08
San Antonio Mayor Gina Ortiz Jones censured in historic first
President Trump orders 'Hamburgers for all' at a Texas Whataburger ▶ 2:31
President Trump orders 'Hamburgers for all' at a Texas Whataburger
San Antonio's Animal Care Services is trying to track down a cat with a jar stuck on its head ▶ 0:56
San Antonio's Animal Care Services is trying to track down a cat with a jar stuck on its head
Dennis Quaid greets the crowd at President Trump's rally ▶ 1:02
Dennis Quaid greets the crowd at President Trump's rally
Drone 12 captures video of new multimillion-dollar retail development on Northwest Side ▶ 1:32
Drone 12 captures video of new multimillion-dollar retail development on Northwest Side
Woman brutally attacked by husband who killed daughter, attacked other child gives impact statement ▶ 1:04
Woman brutally attacked by husband who killed daughter, attacked other child gives impact statement
Mayor Gina Ortiz Jones proposes new commission to increase voter turnout in San Antonio ▶ 1:30
Mayor Gina Ortiz Jones proposes new commission to increase voter turnout in San Antonio
Avery Everett is in Corpus Christi ahead of President Donald Trump’s expected visit on Friday ▶ 0:13
Avery Everett is in Corpus Christi ahead of President Donald Trump’s expected visit on Friday
Seguin is one of the fastest-growing cities in the U.S ▶ 1:32
Seguin is one of the fastest-growing cities in the U.S
The high for Feb. 26, 2026, was 93 degrees making Thursday the hottest February day since 1996! ▶ 1:01
The high for Feb. 26, 2026, was 93 degrees making Thursday the hottest February day since 1996!
State Rep. Barbara Gervin-Hawkins plans to attend Feb 26 Judson ISD school board meeting ▶ 1:32
State Rep. Barbara Gervin-Hawkins plans to attend Feb 26 Judson ISD school board meeting
Neighbor, police still haunted by unsolved murder of woman on East Side ▶ 0:51
Neighbor, police still haunted by unsolved murder of woman on East Side
What you need to know before riding on a Waymo in San Antonio ▶ 1:46
What you need to know before riding on a Waymo in San Antonio
New West Side thrift store supports at-risk shelter animals ▶ 1:07
New West Side thrift store supports at-risk shelter animals
Husband of Rep. Tony Gonzales’ former aide says focus is on the facts ▶ 0:39
Husband of Rep. Tony Gonzales’ former aide says focus is on the facts
Neighbor calls for changes at NE Bexar County intersection where crash led to woman’s miscarriage ▶ 1:16
Neighbor calls for changes at NE Bexar County intersection where crash led to woman’s miscarriage
Previous photo Next photo