September 2021 Photos from Blyth and Amble on the Northumberland Coast. Les Bell September 4, 2021 2021, Amble, Beaches, Blyth, Coast, Fishing Boats, Harbours, Lighthouses, Northumberland, Piers, River Aln, River Blyth, Rivers These photos are from walks at Blyth and Amble on the Northumberland Coast in September 2021. Blyth South Harbour and marina, Northumberland Coast. View along Blyth West Pier, Northumberland Coast. View along Blyth South Beach, Northumberland Coast. View of Blyth East Pier and Lighthouse, Northumberland Coast. Fishing boat moored on the River Coquet at Amble on the Northumberland Coast.