The Waterfront Partnership of Baltimore is launching a pop-up market at McKeldin Square to ease the Monday morning blues.Every Monday from Aug. 8 to Sept. 26, except Labor Day, rotating vendors will serve coffee and breakfast fare at the Inner Harbor plaza. The pop-ups will run from 7 a.m. to 9 a.m.Dubbed "Harbor Market: Morning Edition," the market will include vendors such as Bottoms Up Bagels, Charm City Coffee Roasters and Zeke's Coffee. More will be added.The Waterfront Partnership has previously hosted lunchtime pop-ups at McKeldin Square featuring vendors like Dooby's, the Smoking Swine, Green Bowl and Greek on the Street.