Firth locally the change is held to be at the Tail of the Bank where the river crosses a sandbar off Greenock at the junction to the Gare Loch, or even further west at Gourock point. However, some firths are exceptions. The Cromarty Firth on the east coast of Scotland, for example, resembles a large loch with only a relatively small outlet to the sea and the Solway Firth and the Moray Firth are more like extremely large bays. The Pentland Firth is a strait rather than a bay or an inlet. These are connected to, or form part of, the
Inner Seas off the West Coast of Scotland in Ireland. Inner Seas off the West Coast of Scotland The Inner Seas off the West Coast of Scotland is a marine area designated by the International Hydrographic Organization (IHO). It consists of a number of waterbodies between the Scottish mainland, the Outer Hebrides islands, and the coast of Ireland. Waterbodies within the Inner Seas include the Minch and Little Minch, the Sound of Harris, the Inner Sound, the Sea of the Hebrides, the Firth of Lorn, the Sound of Jura, the Firth of Clyde, Belfast Lough and the North Channel. The IHO defines the limits of the Inner Seas