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)
16-11-2025 12:30--0.110.1914.21.7-----
Date Highest Hs 2025 Storm Alert Threshold
(0.25 yr Return Period Hs)
15-09 1.2m 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)
10-10-2025 00:00--0.090.157.11.9-----
09-10-2025 23:30--0.110.1814.21.7-----
09-10-2025 23:00--0.110.188.51.7-----
09-10-2025 22:30--0.090.1510.71.8-----
09-10-2025 22:00--0.070.134.72-----
09-10-2025 21:30--0.090.143.81.8-----
09-10-2025 21:00--0.090.173.51.9-----
09-10-2025 20:30--0.110.183.31.9-----
09-10-2025 20:00--0.130.2114.21.8-----
09-10-2025 19:30--0.120.215.61.8-----
09-10-2025 19:00--0.110.1911.61.7-----
09-10-2025 18:30--0.10.1712.81.8-----
09-10-2025 18:00--0.10.169.91.8-----
09-10-2025 17:30--0.070.1314.21.9-----
09-10-2025 17:00--0.080.1314.22-----
09-10-2025 16:30--0.10.1814.21.8-----
09-10-2025 16:00--0.060.1114.22.4-----
09-10-2025 15:30--0.070.1311.62.2-----
09-10-2025 15:00--0.10.1714.21.9-----
09-10-2025 14:30--0.130.2114.21.8-----
09-10-2025 14:00--0.180.329.12-----
09-10-2025 13:30--0.20.3110.72.1-----
09-10-2025 13:00--0.160.312.82-----
09-10-2025 12:30--0.110.1912.82-----
09-10-2025 12:00--0.090.1412.82.1-----
09-10-2025 11:30--0.10.1614.22-----
09-10-2025 11:00--0.120.214.21.9-----
09-10-2025 10:30--0.120.219.11.9-----
09-10-2025 10:00--0.120.2211.61.9-----
09-10-2025 09:30--0.120.2614.22.4-----
09-10-2025 09:00--0.090.1514.22.1-----
09-10-2025 08:30--0.090.179.92-----
09-10-2025 08:00--0.10.1814.22-----
09-10-2025 07:30--0.090.1511.61.9-----
09-10-2025 07:00--0.10.2114.22-----
09-10-2025 06:30--0.090.1610.72.1-----
09-10-2025 06:00--0.080.1314.22.3-----
09-10-2025 05:30--0.080.1214.22.1-----
09-10-2025 05:00--0.090.1414.21.9-----
09-10-2025 04:30--0.080.1514.22-----
09-10-2025 04:00--0.040.0714.24.2-----
09-10-2025 03:30--0.040.0814.23.6-----
09-10-2025 03:00--0.070.1314.21.9-----
09-10-2025 02:30--0.090.1710.71.9-----
09-10-2025 02:00--0.140.299.91.9-----
09-10-2025 01:30--0.220.37322.4-----
09-10-2025 01:00--0.210.3314.22.1-----
09-10-2025 00:30--0.130.2210.72-----
09-10-2025 00:00--0.090.167.51.9-----