TIDAL STREAMS Attention is drawn to the remarks on Tidal Streams in the Sailing Directions. BUOYS Certain buoys may be unlit and position may vary, Mariners are advised to contact port authorities for latest information. OMISSION OF CERTAIN NAVIGATIONAL AIDS Certain lights, beacons and buoys have been omitted from this ENC; for details of these, the larger scale ENC and the List of Lights should be consulted.