Positions quoted in this Preliminary Notice reproduced below are referred to WGS84 or a compatible datum and may be plotted directly on this ENC. Some or all of the information contained in this Notice to Mariners may have been included on the ENCs affected. 4013(P)/26 GREECE —  Aegean Sea Coast — Depths. Wrecks. Source: ENC GR5QQK08 1. Depths have changed within the Hellenic Shipyard. The most significant are as follows: Depth Position 4·5m 38° 00' .48N. , 23° 35' .63E. 5·1m 38° 00' .32N. , 23° 35' .50E. 2. New stranded wrecks exist in the following positions: Position 37° 56' .83N. , 23° 34' .01E. 37° 56' .81N. , 23° 33' .90E. 3. The wreck in position, 37° 56' .86N. , 23° 33' .96E. , is now a stranded wreck. 4. Mariners are advised to navigate with caution in the area and consult the local port authorities for the latest information. 5. These and other changes will be included in New Editions of Charts 1513 and 1596, to be published late 2026. (WGS84 DATUM)