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)
17-06-2026 09:00--0.240.372.41.9-----
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)
04-02-2026 00:00--0.090.1614.21.9-----
03-02-2026 23:30--0.110.1712.81.8-----
03-02-2026 23:00--0.120.2112.81.7-----
03-02-2026 22:30--0.120.1910.71.7-----
03-02-2026 22:00--0.170.2714.21.7-----
03-02-2026 21:30--0.180.313.11.7-----
03-02-2026 21:00--0.190.372.71.8-----
03-02-2026 20:30--0.130.282.61.8-----
03-02-2026 20:00--0.140.255.11.9-----
03-02-2026 19:30--0.150.256.11.9-----
03-02-2026 19:00--0.150.2512.81.9-----
03-02-2026 18:30--0.160.286.71.9-----
03-02-2026 18:00--0.160.257.51.8-----
03-02-2026 17:30--0.150.266.71.8-----
03-02-2026 17:00--0.160.286.71.9-----
03-02-2026 16:30--0.140.268.51.8-----
03-02-2026 16:00--0.110.1910.71.9-----
03-02-2026 15:30--0.10.1714.21.8-----
03-02-2026 15:00--0.10.1714.22-----
03-02-2026 14:30--0.120.2114.21.9-----
03-02-2026 14:00--0.180.3714.22.1-----
03-02-2026 13:30--0.230.3618.32.1-----
03-02-2026 13:00--0.170.299.91.8-----
03-02-2026 12:30--0.130.1914.21.9-----
03-02-2026 12:00--0.110.214.22-----
03-02-2026 11:30--0.110.199.91.9-----
03-02-2026 11:00--0.130.2511.61.9-----
03-02-2026 10:30--0.140.2411.61.8-----
03-02-2026 10:00--0.150.2414.21.8-----
03-02-2026 09:30--0.20.332.61.7-----
03-02-2026 09:00--0.230.412.31.8-----
03-02-2026 08:30--0.310.522.72.1-----
03-02-2026 08:00--0.180.372.81.9-----
03-02-2026 07:30--0.150.233.51.9-----
03-02-2026 07:00--0.160.266.71.9-----
03-02-2026 06:30--0.150.256.71.9-----
03-02-2026 06:00--0.160.286.72-----
03-02-2026 05:30--0.160.3381.8-----
03-02-2026 05:00--0.150.286.71.8-----
03-02-2026 04:30--0.140.247.11.7-----
03-02-2026 04:00--0.130.2614.21.7-----
03-02-2026 03:30--0.10.1912.81.8-----
03-02-2026 03:00--0.110.1614.21.7-----
03-02-2026 02:30--0.110.214.61.7-----
03-02-2026 02:00--0.140.2611.61.7-----
03-02-2026 01:30--0.190.3512.82-----
03-02-2026 01:00--0.20.3311.61.9-----
03-02-2026 00:30--0.160.289.91.8-----
03-02-2026 00:00--0.130.236.71.7-----