31. Swansea Bay ( and upper reaches of the Bristol Channel ) experience a large tidal range . 32. Here is a large sandy beach with fairly calm waters and a very large tidal range . 33. As elsewhere in northern Brittany, the tidal range is among the highest in the world. 34. The station's mean operating tidal range is, with a spring tidal range of. 35. The station's mean operating tidal range is, with a spring tidal range of. 36. Tidal range is up to 1.3 metres with strong south to south-westerly winds.37. Where there is a funnel-shaped bay or estuary, the tidal range can be magnified. 38. A gat is sometimes a shallower passage on lagoon coasts, including those without any tidal range . 39. The configuration of basins, sills, and interconnections cause the tidal range to increase within Puget Sound. 40. These are caused by the combination of strong winds, high waves, and a large tidal range .