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)
15-11-2025 13:30--0.090.154.11.8-----
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)
12-12-2024 00:00--0.090.14-2-----
11-12-2024 23:30--0.070.13-1.9-----
11-12-2024 23:00--0.040.08-2.2-----
11-12-2024 22:30--0.050.08-2.4-----
11-12-2024 22:00--0.040.14-2.2-----
11-12-2024 21:30--0.060.11-2.2-----
11-12-2024 21:00--0.10.15-2.7-----
11-12-2024 20:30--0.110.16-1.9-----
11-12-2024 20:00--0.090.17-2.3-----
11-12-2024 19:30--0.080.1-2.2-----
11-12-2024 19:00--0.060.11-2.3-----
11-12-2024 18:30--0.080.12-2.1-----
11-12-2024 18:00--0.10.14-2.2-----
11-12-2024 17:30--0.10.14-1.9-----
11-12-2024 17:00--0.130.2-1.8-----
11-12-2024 16:30--0.150.26-1.7-----
11-12-2024 16:00--0.120.23-2.2-----
11-12-2024 15:30--0.120.18-2.1-----
11-12-2024 15:00--0.10.15-2.2-----
11-12-2024 14:30--0.080.13-2.4-----
11-12-2024 14:00--0.070.11-2.2-----
11-12-2024 13:30--0.070.14-2.4-----
11-12-2024 13:00--0.090.11-2.2-----
11-12-2024 12:30--0.10.15-2.4-----
11-12-2024 12:00--0.10.15-1.9-----
11-12-2024 11:30--0.110.12-1.7-----
11-12-2024 11:00--0.090.15-2.3-----
11-12-2024 10:30--0.080.13-2.2-----
11-12-2024 10:00--0.080.12-2.3-----
11-12-2024 09:30--0.050.1-2.1-----
11-12-2024 09:00--0.090.14-2.1-----
11-12-2024 08:30--0.090.14-2.3-----
11-12-2024 08:00--0.10.2-2-----
11-12-2024 07:30--0.120.25-2-----
11-12-2024 07:00--0.130.18-2-----
11-12-2024 06:30--0.120.21-1.8-----
11-12-2024 06:00--0.120.18-1.9-----
11-12-2024 05:30--0.140.21-2.1-----
11-12-2024 05:00--0.150.24-2.1-----
11-12-2024 04:30--0.170.3421.31.9-----
11-12-2024 04:00--0.20.42.62-----
11-12-2024 03:30--0.170.2632.1-----
11-12-2024 03:00--0.230.462.82.5-----
11-12-2024 02:30--0.250.483.42.7-----
11-12-2024 02:00--0.210.454.12.7-----
11-12-2024 01:30--0.160.413.73.2-----
11-12-2024 01:00--0.140.224.12.1-----
11-12-2024 00:30--0.110.164.92.3-----
11-12-2024 00:00--0.10.184.72.4-----