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)
21-01-2026 16:00--0.130.23.11.8-----
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)
21-01-2026 16:00--0.130.23.11.8-----
21-01-2026 15:30--0.140.238.51.8-----
21-01-2026 15:00--0.150.2614.21.8-----
21-01-2026 14:30--0.170.314.21.8-----
21-01-2026 14:00--0.160.269.91.8-----
21-01-2026 13:30--0.140.268.51.9-----
21-01-2026 13:00--0.130.268.51.8-----
21-01-2026 12:30--0.130.29.11.8-----
21-01-2026 12:00--0.130.2114.21.8-----
21-01-2026 11:30--0.140.227.11.8-----
21-01-2026 11:00--0.130.244.71.7-----
21-01-2026 10:30--0.150.2714.21.8-----
21-01-2026 10:00--0.170.311.61.7-----
21-01-2026 09:30--0.160.319.91.7-----
21-01-2026 09:00--0.190.322.51.8-----
21-01-2026 08:30--0.140.2311.61.8-----
21-01-2026 08:00--0.130.2211.61.8-----
21-01-2026 07:30--0.150.285.11.8-----
21-01-2026 07:00--0.120.2114.21.7-----
21-01-2026 06:30--0.140.2214.21.7-----
21-01-2026 06:00--0.130.2214.21.8-----
21-01-2026 05:30--0.090.1514.21.9-----
21-01-2026 05:00--0.090.1914.21.9-----
21-01-2026 04:30--0.10.1914.21.8-----
21-01-2026 04:00--0.10.179.91.8-----
21-01-2026 03:30--0.080.1411.61.8-----
21-01-2026 03:00--0.10.187.51.7-----
21-01-2026 02:30--0.130.214.21.8-----
21-01-2026 02:00--0.160.2510.72-----
21-01-2026 01:30--0.150.277.11.7-----
21-01-2026 01:00--0.10.1814.21.8-----
21-01-2026 00:30--0.080.1511.61.9-----
21-01-2026 00:00--0.080.145.81.9-----
20-01-2026 23:30--0.10.166.71.8-----
20-01-2026 23:00--0.120.215.81.7-----
20-01-2026 22:30--0.140.223.91.6-----
20-01-2026 22:00--0.120.213.91.7-----
20-01-2026 21:30--0.160.293.71.9-----
20-01-2026 21:00--0.190.323.21.8-----
20-01-2026 20:30--0.190.332.51.8-----
20-01-2026 20:00--0.20.322.61.9-----
20-01-2026 19:30--0.180.292.51.9-----
20-01-2026 19:00--0.20.382.81.8-----
20-01-2026 18:30--0.180.322.71.8-----
20-01-2026 18:00--0.150.2614.21.8-----
20-01-2026 17:30--0.130.2314.21.6-----
20-01-2026 17:00--0.140.226.71.6-----
20-01-2026 16:30--0.150.2581.7-----
20-01-2026 16:00--0.210.369.11.8-----