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)
08-05-2026 16:00--0.040.0814.22.6-----
Date Highest Hs 2026 Storm Alert Threshold
(0.25 yr Return Period Hs)
04-04 1.3m 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)
05-02-2026 00:00--0.140.2314.21.7-----
04-02-2026 23:30--0.160.2714.21.7-----
04-02-2026 23:00--0.150.255.61.6-----
04-02-2026 22:30--0.220.414.21.7-----
04-02-2026 22:00--0.230.342.21.8-----
04-02-2026 21:30--0.280.512.72-----
04-02-2026 21:00--0.130.233.41.9-----
04-02-2026 20:30--0.150.264.91.8-----
04-02-2026 20:00--0.160.276.11.9-----
04-02-2026 19:30--0.160.316.11.9-----
04-02-2026 19:00--0.160.256.72-----
04-02-2026 18:30--0.170.257.52-----
04-02-2026 18:00--0.160.266.11.9-----
04-02-2026 17:30--0.140.258.51.8-----
04-02-2026 17:00--0.110.1914.21.7-----
04-02-2026 16:30--0.090.1614.22-----
04-02-2026 16:00--0.10.1614.21.9-----
04-02-2026 15:30--0.110.1814.21.8-----
04-02-2026 15:00--0.150.2714.21.9-----
04-02-2026 14:30--0.180.314.21.9-----
04-02-2026 14:00--0.20.3710.72-----
04-02-2026 13:30--0.140.229.11.8-----
04-02-2026 13:00--0.120.2314.21.8-----
04-02-2026 12:30--0.110.214.22-----
04-02-2026 12:00--0.110.2114.21.9-----
04-02-2026 11:30--0.120.214.21.8-----
04-02-2026 11:00--0.120.211.61.8-----
04-02-2026 10:30--0.120.218.51.7-----
04-02-2026 10:00--0.130.2611.61.8-----
04-02-2026 09:30--0.130.2514.21.8-----
04-02-2026 09:00--0.110.2214.21.8-----
04-02-2026 08:30--0.120.214.22-----
04-02-2026 08:00--0.130.2410.71.8-----
04-02-2026 07:30--0.150.2914.21.8-----
04-02-2026 07:00--0.150.217.11.8-----
04-02-2026 06:30--0.150.287.11.9-----
04-02-2026 06:00--0.160.2482-----
04-02-2026 05:30--0.160.276.72-----
04-02-2026 05:00--0.150.2381.8-----
04-02-2026 04:30--0.120.238.51.8-----
04-02-2026 04:00--0.10.1512.81.8-----
04-02-2026 03:30--0.090.179.91.7-----
04-02-2026 03:00--0.10.1514.21.8-----
04-02-2026 02:30--0.170.3214.22-----
04-02-2026 02:00--0.240.3721.32.4-----
04-02-2026 01:30--0.190.3314.21.9-----
04-02-2026 01:00--0.120.249.11.9-----
04-02-2026 00:30--0.090.155.11.9-----
04-02-2026 00:00--0.090.1614.21.9-----