Deployment of the weather buoy at site M4 (55° 0.17502' N, -11° 59.92' W) from the ILV Granuaile on 23/08/2023. Recovered on 02/08/2025 by the RV Tom Crean survey TC25036. The purpose of this activity is the redeployment of the weather buoy at site M4 for long-term environmental monitoring.