Web Summit cancels day 2 due to Storm Charles and risks of tidal flood

• Web Summit 2026 canceled Day 2 in Lisbon after Portugal's government warned of Storm Charles risks.
• Officials cited risks of tidal flooding and high winds.
• The event brings together over 70,000 attendees annually.

The second day of Web Summit, one of the world's largest technology conferences that brings together over 70,000 attendees from more than 150 countries, has been canceled.

The event, which is being held in Lisbon, from November 9 to 12, was canceled due to risks posed by Storm Charles, including high winds and tidal flooding, said an emailed event update.

Read the email about the cancellation below:

Web Summit 2026Important event updateThe Government of Portugal has formally advised Web Summit that, due to the risks posed by Storm Charles, including tidal flooding, severe disruption to public transport and the impact of high winds on external structures, Day 2 of Web Summit should not take place. This follows discussions with the Portuguese Government, the National Emergency and Civil Protection Authority (ANEPC), and the Public Security Police (PSP).Web Summit will of course respect the Government's direction, and accordingly, Day 2 (Wednesday, November 11th) will not take place.The safety and security of our attendees, staff and contractors is always our absolute priority.Web Summit aims to proceed with Day 3 (Thursday, November 12) as planned, following the passing of Storm Charles. We will continue to work closely with the relevant authorities and emergency services, monitor conditions and provide further updates as soon as confirmed information becomes available.Web Summit will communicate directly with those impacted.— the Web Summit team