wa88IFR Chart of WA88. Enroute Charts at . Location Information for WA88. Coordinates: N48°53.57' W122°33.41' Located 03 miles NE of Ferndale, Washington on 2IFR Chart of WA88. Enroute Charts at . Location Information for WA88. Coordinates: N48°53.57' W122°33.41' Located 03 miles NE of Ferndale, Washington on 2