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 11:30--0.10.179.11.8-----
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)
16-10-2025 00:00--0.090.197.51.6-----
15-10-2025 23:30--0.080.166.41.6-----
15-10-2025 23:00--0.080.144.31.6-----
15-10-2025 22:30--0.080.1241.7-----
15-10-2025 22:00--0.070.1312.81.7-----
15-10-2025 21:30--0.070.136.41.8-----
15-10-2025 21:00--0.080.1412.81.7-----
15-10-2025 20:30--0.070.1311.61.8-----
15-10-2025 20:00--0.060.1114.21.8-----
15-10-2025 19:30--0.060.1114.21.9-----
15-10-2025 19:00--0.080.1414.21.9-----
15-10-2025 18:30--0.080.146.11.8-----
15-10-2025 18:00--0.10.1714.21.7-----
15-10-2025 17:30--0.110.249.11.8-----
15-10-2025 17:00--0.120.214.21.7-----
15-10-2025 16:30--0.150.259.91.6-----
15-10-2025 16:00--0.180.326.71.7-----
15-10-2025 15:30--0.210.3414.21.7-----
15-10-2025 15:00--0.190.315.81.6-----
15-10-2025 14:30--0.160.3414.21.8-----
15-10-2025 14:00--0.120.2914.21.8-----
15-10-2025 13:30--0.170.282.51.8-----
15-10-2025 13:00--0.140.2314.21.8-----
15-10-2025 12:30--0.060.2414.21.9-----
15-10-2025 12:00--0.090.1514.22-----
15-10-2025 11:30--0.080.1514.21.9-----