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

 


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)
12-02-2025 23:00--0.050.11-2.1-----
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)
10-12-2024 23:30--0.10.175.31.8-----
10-12-2024 23:00--0.110.164.71.9-----
10-12-2024 22:30--0.10.18-2-----
10-12-2024 22:00--0.10.14-2.1-----
10-12-2024 21:30--0.090.16-2.1-----
10-12-2024 21:00--0.070.11-1.8-----
10-12-2024 20:30--0.080.17-2-----
10-12-2024 20:00--0.10.2-1.8-----
10-12-2024 19:30--0.110.19-2.2-----
10-12-2024 19:00--0.130.21-2-----
10-12-2024 18:30--0.140.21-2.1-----
10-12-2024 18:00--0.130.18-1.9-----
10-12-2024 17:30--0.120.23-1.9-----
10-12-2024 17:00--0.150.24-1.9-----
10-12-2024 16:30--0.160.2521.31.8-----
10-12-2024 16:00--0.170.2521.31.9-----
10-12-2024 15:30--0.20.412.51.9-----
10-12-2024 15:00--0.190.253.22-----
10-12-2024 14:30--0.220.512.52.9-----
10-12-2024 14:00--0.240.483.33.1-----
10-12-2024 13:30--0.170.313.32.9-----
10-12-2024 13:00--0.140.353.52.4-----
10-12-2024 12:30--0.120.153.82.4-----
10-12-2024 12:00--0.110.16-2.3-----
10-12-2024 11:30--0.110.2-2.6-----
10-12-2024 11:00--0.110.13-2.2-----
10-12-2024 10:30--0.130.16-2.2-----
10-12-2024 10:00--0.120.15-2.5-----
10-12-2024 09:30--0.130.274.42.1-----
10-12-2024 09:00--0.130.194.12-----
10-12-2024 08:30--0.110.14-1.9-----
10-12-2024 08:00--0.090.11-2.5-----
10-12-2024 07:30--0.090.15-2.1-----
10-12-2024 07:00--0.10.16-2.2-----
10-12-2024 06:30--0.130.2-2.2-----
10-12-2024 06:00--0.140.18-1.9-----
10-12-2024 05:30--0.140.2-2.3-----
10-12-2024 05:00--0.150.22-1.9-----
10-12-2024 04:30--0.170.2421.32.2-----
10-12-2024 04:00--0.190.2912.82.1-----
10-12-2024 03:30--0.180.3321.32-----
10-12-2024 03:00--0.20.357.51.9-----
10-12-2024 02:30--0.160.262.71.9-----
10-12-2024 02:00--0.20.632.52.5-----
10-12-2024 01:30--0.240.382.92.4-----
10-12-2024 01:00--0.210.313.82.9-----
10-12-2024 00:30--0.150.323.52.9-----
10-12-2024 00:00--0.180.293.93-----