Maersk CEO Sees Tight Global Shipping Markets Into 2022 Supply Lines is a daily newsletter that tracks trade and supply chains disrupted by the pandemic. Sign up here . The logjam of container ships outside the California ports of Los Angeles and Long Beach swelled to another record as stepped-up efforts to clear cargo off the docks failed to prevent the average wait for vessels from reaching nearly 17 days. The queue, both at anchor and in a holding zone, rose to 83 ships as of late Friday, four more than Wednesday and topping the previous high of 81 set earlier in the week, according to officials who monitor marine traffic in San Pedro Bay. The average wait increased to 16.9 days, double the level from two months ago, according to L.A.’s Wabtec Port Optimizer. Strained supply chains have become an economic drag on the world’s largest economy and […]