Events Coast Summer Happy Hours at the Porthole Loading Map.... Porthole Restaurant20 Custom House Wharf - PortlandDetails 43.6563276 -70.2502634 Date/Time Date(s) - August 7, 20155:00 pm - 7:00 pm Location Porthole Restaurant Join Blake and Eva on the waterfront deck of the Porthole Restaurant, on Custom House Wharf, just off Commercial Street in Portland. Friday, August 7th from 5-7pm. Blake and Eva from the Coast Morning Show will be on-site playing Plinko for Coast prizes. Plus, enjoy food, games, and great drink specials! Live music at 7pm!