National Network of Regional Coastal Monitoring Programmes
« Dychwelid at fap am donau, llanw a gorsafoedd tywydd eraill.
Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.
Second Severn Crossing
Tide Levels and HarmonicsYsatadegau
Ystadegau blynyddol| 2024 | Hs | Tp | Tz | Table |
| 2023 | Hs | Tp | Tz | Table |
| 2022 | Hs | Tp | Tz | Table |
| 2021 | Hs | Tp | Tz | Table |
| 2020 | Hs | Tp | Tz | Table |
| 2019 | Hs | Tp | Tz | Table |
| 2018 | Hs | Tp | Tz | Table |
| 2017 | Hs | Tp | Tz | Table |
| 2016 | Hs | Tp | Tz | Table |
| 2015 | Hs | Tp | Tz | Table |
| 2014 | Hs | Tp | Tz | Table |
| 2013 | Hs | Tp | Tz | Table |
| 2012 | Hs | Tp | Tz | Table |
| 2011 | Hs | Tp | Tz | Table |
| All years | Hs | Tp | Tz | Table |
diagram rhosyn
