Deployment of the weather buoy at site M5 (51° 41.394' N, -7° 17.858' W) from the RV Celtlic Explorer survey CE21020 on 07/09/2021. Recovered on 27/01/2023 by the Ocean Bank. The purpose of this activity is the redeployment of the weather buoy at site M5 for long-term environmental monitoring.