https://doi.pangaea.de/10.1594/PANGAEA.996143Thomas, Oliver RobertOliver RobertThomas0009-0000-1636-9492Unsworth, Richard K FRichard K FUnsworthSwansea UniversityPANGAEA2026Field experimentIn-situEvent labelLatitude of eventLongitude of eventDEPTH, waterSample IDDATE/TIMESiteTemperature, waterLight intensityHOBO Pendant Temperature/Light 64K Data LoggerTemperature logger, Onset, HOBO Pendant MX2202Seagrass Ocean Rescue North Wales (SORNW)2024-05-01T00:00:00/2024-05-31T23:30:00Datasethttps://doi.pangaea.de/10.1594/PANGAEA.99614810.1088/1748-9326/ae6d175952 data pointstext/tab-separated-valuesCreative Commons Attribution 4.0 InternationalThis dataset was collected in support of a study on the resilience of restored seagrass (Zostera marina) meadows to marine heatwave exposure in North Wales, United Kingdom (Thomas et al., 2026). It provides in-situ seawater/atmospheric temperature and light intensity measurements recorded at 30-minute intervals during May 2024 using a submerged temperature/light data logger deployed at the Carreg y Defaid restoration site.-4.46328452.866444Natural Environment Research Councilhttps://doi.org/10.13039/501100000270NE/V016385/1The National Lottery Heritage Fundhttps://doi.org/10.13039/501100016135NL-21-00035