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.

Severn Bridge

Data Tonnau Diweddaraf

Amser (ASG)LledredHydredUchder ton (m)Uchder uchaf ton (m)Tbrig (s)Tz (s)Cyfeiriad mwyaf cyffredin (gradd)Ymlediad (gradd)Tymheredd y môr (°C)
30-11-2020 11:00--0.080.09-2.1---
Dyddiad Hs uchaf 2020 Storm alert threshold
(0.25 yr Return Period)
01-01 2m 0.70m
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