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)
15-06-2025 08:30--0.140.32.51.8-----
Date Highest Hs 2025 Storm Alert Threshold
(0.25 yr Return Period Hs)
24-01 0.7m 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)
17-04-2025 00:00--0.060.15-2.2-----
16-04-2025 23:30--0.080.13-2.1-----
16-04-2025 23:00--0.10.18-1.9-----
16-04-2025 22:30--0.140.2642.2-----
16-04-2025 22:00--0.180.263.82.4-----
16-04-2025 21:30--0.170.473.12.3-----
16-04-2025 21:00--0.180.362.92.4-----
16-04-2025 20:30--0.190.412.92.3-----
16-04-2025 20:00--0.190.352.72.4-----
16-04-2025 19:30--0.150.282.62.3-----
16-04-2025 19:00--0.140.292.52.4-----
16-04-2025 18:30--0.130.22.52.1-----
16-04-2025 18:00--0.120.232.52-----
16-04-2025 17:30--0.120.22-2.2-----
16-04-2025 17:00--0.110.18-2.1-----
16-04-2025 16:30--0.110.25-2.1-----
16-04-2025 16:00--0.120.223.51.9-----
16-04-2025 15:30--0.150.18-1.8-----
16-04-2025 15:00--0.140.21-2-----
16-04-2025 14:30--0.150.2521.32.1-----
16-04-2025 14:00--0.160.1921.31.8-----
16-04-2025 13:30--0.160.2121.32.2-----
16-04-2025 13:00--0.160.226.72.6-----
16-04-2025 12:30--0.180.236.12.4-----
16-04-2025 12:00--0.220.425.82.5-----
16-04-2025 11:30--0.280.515.32.6-----
16-04-2025 11:00--0.330.425.13.2-----
16-04-2025 10:30--0.440.924.94.1-----
16-04-2025 10:00--0.521.624.94.5-----
16-04-2025 09:30--0.561.264.43.4-----
16-04-2025 09:00--0.531.084.33.1-----
16-04-2025 08:30--0.61.134.13-----
16-04-2025 08:00--0.611.213.83.3-----
16-04-2025 07:30--0.470.833.82.8-----
16-04-2025 07:00--0.390.773.32.6-----
16-04-2025 06:30--0.411.043.42.9-----
16-04-2025 06:00--0.330.583.42.7-----
16-04-2025 05:30--0.290.633.12.3-----
16-04-2025 05:00--0.20.342.72.2-----
16-04-2025 04:30--0.150.182.51.9-----
16-04-2025 04:00--0.080.09-2.5-----
16-04-2025 03:30--0.080.12-2.1-----
16-04-2025 03:00--0.090.18-2-----
16-04-2025 02:30--0.140.2-2.6-----
16-04-2025 02:00--0.150.2121.31.8-----
16-04-2025 01:30--0.110.14-2.1-----
16-04-2025 01:00--0.090.16-2-----
16-04-2025 00:30--0.090.15-2.1-----
16-04-2025 00:00--0.080.17-2.4-----