National Network of Regional Coastal Monitoring Programmes

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Note that these are real-time data and are not quality-controlled.

Second Severn Crossing

Tide Levels and Harmonics

 

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Latest Waves Data

Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)Energy Period (s)Wave Power (kW/m)
19-01-2026 00:30--0.140.2512.81.8-----
Date Highest Hs 2026 Storm Alert Threshold
(0.25 yr Return Period Hs)
11-01 1m 0.74m
Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)Energy Period (s)Wave Power (kW/m)
19-01-2026 00:30--0.140.2512.81.8-----
19-01-2026 00:00--0.120.2281.8-----
18-01-2026 23:30--0.080.147.11.8-----
18-01-2026 23:00--0.070.156.72.1-----
18-01-2026 22:30--0.070.1414.22-----
18-01-2026 22:00--0.10.158.51.8-----
18-01-2026 21:30--0.090.1414.21.9-----
18-01-2026 21:00--0.050.114.21.9-----
18-01-2026 20:30--0.020.0614.22.5-----
18-01-2026 20:00--0.020.0414.23.9-----
18-01-2026 19:30--0.020.0414.23.8-----
18-01-2026 19:00--0.030.0514.23.5-----
18-01-2026 18:30--0.050.116.72-----
18-01-2026 18:00--0.070.1414.21.9-----
18-01-2026 17:30--0.070.129.91.8-----
18-01-2026 17:00--0.070.1312.81.8-----
18-01-2026 16:30--0.070.1214.21.9-----
18-01-2026 16:00--0.070.1414.21.9-----
18-01-2026 15:30--0.070.1414.21.8-----
18-01-2026 15:00--0.050.1112.82-----
18-01-2026 14:30--0.040.0914.22.4-----
18-01-2026 14:00--0.020.0814.22.7-----
18-01-2026 13:30--0.070.1311.61.8-----
18-01-2026 13:00--0.110.2282-----
18-01-2026 12:30--0.150.2412.81.9-----
18-01-2026 12:00--0.140.239.11.8-----
18-01-2026 11:30--0.10.176.11.9-----
18-01-2026 11:00--0.070.1414.22-----
18-01-2026 10:30--0.070.125.82.1-----
18-01-2026 10:00--0.080.1514.21.9-----
18-01-2026 09:30--0.10.1714.21.7-----
18-01-2026 09:00--0.070.1412.81.8-----
18-01-2026 08:30--0.060.114.21.9-----
18-01-2026 08:00--0.090.1681.7-----
18-01-2026 07:30--0.080.149.91.8-----
18-01-2026 07:00--0.070.145.81.8-----
18-01-2026 06:30--0.070.125.11.8-----
18-01-2026 06:00--0.090.1510.71.8-----
18-01-2026 05:30--0.090.214.21.7-----
18-01-2026 05:00--0.090.1610.71.7-----
18-01-2026 04:30--0.090.145.81.7-----
18-01-2026 04:00--0.090.166.41.7-----
18-01-2026 03:30--0.10.186.41.7-----
18-01-2026 03:00--0.090.179.11.7-----
18-01-2026 02:30--0.090.1711.61.8-----
18-01-2026 02:00--0.050.0914.22-----
18-01-2026 01:30--0.010.0314.22.6-----
18-01-2026 01:00--0.050.110.72.1-----
18-01-2026 00:30--0.090.1614.21.9-----
18-01-2026 00:00--0.120.2314.21.9-----