England, Northumberland, Alnmouth. Boats on the tidal Aln Estuary at Alnmouth.

England, Northumberland, Alnmouth. Boats on the tidal Aln Estuary at Alnmouth. The hill in the distance is known as Church Hill.

England, Northumberland, Alnmouth. Boats on the tidal Aln Estuary at Alnmouth.

England, Lancashire, Morecambe. Fishing boats at low tide moored at Morecambe / Morecambe Bay.

England, Lancashire, Morecambe. Fishing boats at low tide moored at Morecambe / Morecambe Bay.

England, Northumberland, Alnmouth. Boats on the tidal Aln Estuary at Alnmouth. The hill in the distance is known as Church Hill.

England, Northumberland, Alnmouth. The tidal Aln Estuary at Alnmouth. The hill in the distance is known as Church Hill.

England, Northumberland, Alnmouth. Boats on the tidal Aln Estuary at Alnmouth. The hill in the distance is known as Church Hill.

England, Northumberland, Alnmouth. Boats on the tidal Aln Estuary at Alnmouth. The hill in the distance is known as Church Hill.

England, Northumberland, Alnmouth. Boats on the tidal Aln Estuary at Alnmouth. The hill in the distance is known as Church Hill.

England, Northumberland, Alnmouth. Boats on the tidal Aln Estuary at Alnmouth. The hill in the distance is known as Church Hill.

Scotland, Scottish Highlands, Castle Stalker. Castle Stalker near Port Appin is a four story Tower House located on a tidal islet on Loch Laich, an inlet off Loch Linnhe.

New Zealand, Nelson, Abel Tasman National Park. Frenchman's Bay / cove , a tidal lagoon viewed from above on a viewpoint along the Coastal Track.

New Zealand, Otago, The Catlins. Tidal stream running accross the sandy beach of Purakaunui Bay.

New Zealand, Otago, The Catlins. Tidal stream running accross the sandy beach of Purakaunui Bay.

England Tyne and Wear, Whitley Bay. Rocks and tidal pools on the sands of the Whitley Bay sea front.