National Network of Regional Coastal Monitoring Programmes

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Mae'r data yma yn amser real ac mae'r safon heb wireddu.

Second Severn Crossing

Tide Levels and Harmonics

 

 Blaenorol
Nesaf


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)Energy Period (s)Wave Power (kW/m)
15-02-2026 01:30--0.150.272.81.7-----
Dyddiad Hs uchaf 2026 Storm Alert Threshold
(0.25 yr Return Period Hs)
11-01 1m 0.74m
Amser (ASG)LledredHydredUchder ton (m)Uchder uchaf ton (m)Tbrig (s)Tz (s)Cyfeiriad mwyaf cyffredin (gradd)Ymlediad (gradd)Tymheredd y môr (°C)Energy Period (s)Wave Power (kW/m)
16-10-2025 00:00--0.090.197.51.6-----
15-10-2025 23:30--0.080.166.41.6-----
15-10-2025 23:00--0.080.144.31.6-----
15-10-2025 22:30--0.080.1241.7-----
15-10-2025 22:00--0.070.1312.81.7-----
15-10-2025 21:30--0.070.136.41.8-----
15-10-2025 21:00--0.080.1412.81.7-----
15-10-2025 20:30--0.070.1311.61.8-----
15-10-2025 20:00--0.060.1114.21.8-----
15-10-2025 19:30--0.060.1114.21.9-----
15-10-2025 19:00--0.080.1414.21.9-----
15-10-2025 18:30--0.080.146.11.8-----
15-10-2025 18:00--0.10.1714.21.7-----
15-10-2025 17:30--0.110.249.11.8-----
15-10-2025 17:00--0.120.214.21.7-----
15-10-2025 16:30--0.150.259.91.6-----
15-10-2025 16:00--0.180.326.71.7-----
15-10-2025 15:30--0.210.3414.21.7-----
15-10-2025 15:00--0.190.315.81.6-----
15-10-2025 14:30--0.160.3414.21.8-----
15-10-2025 14:00--0.120.2914.21.8-----
15-10-2025 13:30--0.170.282.51.8-----
15-10-2025 13:00--0.140.2314.21.8-----
15-10-2025 12:30--0.060.2414.21.9-----
15-10-2025 12:00--0.090.1514.22-----
15-10-2025 11:30--0.080.1514.21.9-----