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)
10-04-2026 09:00--0.10.1714.21.9-----
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)
07-03-2026 00:00--0.10.1914.21.8-----
06-03-2026 23:30--0.110.27.11.8-----
06-03-2026 23:00--0.10.1714.21.7-----
06-03-2026 22:30--0.10.1814.21.7-----
06-03-2026 22:00--0.110.184.91.7-----
06-03-2026 21:30--0.10.174.41.9-----
06-03-2026 21:00--0.10.173.61.9-----
06-03-2026 20:30--0.110.24.62-----
06-03-2026 20:00--0.130.2210.71.9-----
06-03-2026 19:30--0.130.211.61.7-----
06-03-2026 19:00--0.130.2310.71.7-----
06-03-2026 18:30--0.130.226.71.8-----
06-03-2026 18:00--0.130.226.41.9-----
06-03-2026 17:30--0.120.1981.8-----
06-03-2026 17:00--0.10.1910.71.8-----
06-03-2026 16:30--0.070.1314.22-----
06-03-2026 16:00--0.070.1512.82.2-----
06-03-2026 15:30--0.080.1412.82-----
06-03-2026 15:00--0.130.2411.62.2-----
06-03-2026 14:30--0.210.3914.22.4-----
06-03-2026 14:00--0.20.3411.62-----
06-03-2026 13:30--0.140.259.92-----
06-03-2026 13:00--0.090.167.52.1-----
06-03-2026 12:30--0.090.1514.22.2-----
06-03-2026 12:00--0.10.1914.22.1-----
06-03-2026 11:30--0.110.1914.21.8-----
06-03-2026 11:00--0.120.1912.81.9-----
06-03-2026 10:30--0.130.197.11.8-----
06-03-2026 10:00--0.140.2514.21.8-----
06-03-2026 09:30--0.130.2114.21.9-----
06-03-2026 09:00--0.120.1914.22-----
06-03-2026 08:30--0.140.234.41.9-----
06-03-2026 08:00--0.130.224.62-----
06-03-2026 07:30--0.150.225.81.9-----
06-03-2026 07:00--0.150.267.12-----
06-03-2026 06:30--0.150.2710.71.9-----
06-03-2026 06:00--0.130.2381.9-----
06-03-2026 05:30--0.130.219.91.9-----
06-03-2026 05:00--0.130.217.51.8-----
06-03-2026 04:30--0.10.1914.21.9-----
06-03-2026 04:00--0.080.1212.81.8-----
06-03-2026 03:30--0.080.1612.81.9-----
06-03-2026 03:00--0.10.1981.9-----
06-03-2026 02:30--0.170.3414.22.1-----
06-03-2026 02:00--0.240.4425.62.3-----
06-03-2026 01:30--0.170.3312.81.9-----
06-03-2026 01:00--0.110.219.11.9-----
06-03-2026 00:30--0.090.1411.62-----
06-03-2026 00:00--0.090.1411.61.9-----