The Tide Chart app provides high and low tide times for cities on the US East Coast. You can ask for any day past or present for which data is available, and you can limit it to only high or low tides like this: "What are the high tides for tomorrow in Myrtle Beach?" Supported cities are:
Myrtle Beach Garden City Pawleys Island Murrells Inlet Isle Of Palms Sunset Beach Wrightsville Carolina Beach
“ask tide chart to make myrtle beach my saved city”