B.C. Ferries cancels sailings based on a precise operations limitation matrix that weighs weather forecasts, vessel design, and docking conditions. The decision-making hub in Victoria uses real-time radar, wave data, and coordination with Environment and Climate Change Canada to assess risk across the Salish Sea. Each vessel class has unique tolerances for wind, waves, and tide interactions, especially at exposed terminals like Tsawwassen.

Final authority rests with the ship’s captain, who can override corporate guidance based on firsthand observations. This human element is critical because local coastal conditions—shaped by mountains, ocean currents, and microclimates—often defy standard weather models. The operations centre supports captains with data and communication, aiming to maintain service without compromising safety.

Climate change is increasing the frequency of extreme wind events, testing an aging fleet. Newer vessels are expected to have higher tolerances for harsh conditions, improving resilience. Still, the sea ultimately dictates what’s possible—no matter how advanced the forecasting or infrastructure.