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)
18-01-2025 04:00--0.060.12-2.3-----
Date Highest Hs 2025 Storm Alert Threshold
(0.25 yr Return Period Hs)
01-01 0.6m 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)
18-01-2025 04:00--0.060.12-2.3-----
18-01-2025 03:30--0.110.18-2.2-----
18-01-2025 03:00--0.150.18-2.1-----
18-01-2025 02:30--0.110.13-2.3-----
18-01-2025 02:00--0.070.09-2.5-----
18-01-2025 01:30--0.030.12-2.5-----
18-01-2025 01:00--0.050.09-1.9-----
18-01-2025 00:30--0.060.1-1.9-----
18-01-2025 00:00--0.080.14-1.8-----
17-01-2025 23:30--0.070.09-2.1-----
17-01-2025 23:00--0.020.14-2-----
17-01-2025 22:30--0.040.09-2.2-----
17-01-2025 22:00--0.020.09-2.5-----
17-01-2025 21:30--0.030.11-2-----
17-01-2025 21:00--0.030.14.92.1-----
17-01-2025 20:30--0.050.08-1.9-----
17-01-2025 20:00--0.020.1-2.2-----
17-01-2025 19:30--0.030.09-2.2-----
17-01-2025 19:00--00.07-2.2-----
17-01-2025 18:30--0.020.07-2.4-----
17-01-2025 18:00--0.040.11-2.4-----
17-01-2025 17:30--0.030.06-2.3-----
17-01-2025 17:00--0000-----
17-01-2025 16:30--0.040.06-3.7-----
17-01-2025 16:00--0.050.14-2.1-----
17-01-2025 15:30--0.080.15-2.2-----
17-01-2025 15:00--0.150.2-2.2-----
17-01-2025 14:30--0.140.17-2-----
17-01-2025 14:00--0.110.14-2.9-----
17-01-2025 13:30--0.070.14-2.9-----
17-01-2025 13:00--0.060.08-2.3-----
17-01-2025 12:30--0.070.16-1.8-----
17-01-2025 12:00--0.090.16-2.4-----
17-01-2025 11:30--0.110.17-2-----
17-01-2025 11:00--0.080.11-2.3-----
17-01-2025 10:30--0.110.14-2.2-----
17-01-2025 10:00--0.10.13-2.3-----
17-01-2025 09:30--0.10.12-2.3-----
17-01-2025 09:00--0.080.1-2.4-----
17-01-2025 08:30--0.080.1-2-----
17-01-2025 08:00--0.10.16-2.3-----
17-01-2025 07:30--0.070.12-2.4-----
17-01-2025 07:00--0.080.12-2.1-----
17-01-2025 06:30--0.050.07-2.4-----
17-01-2025 06:00--0.060.08-2.3-----
17-01-2025 05:30--0.050.07-3.2-----
17-01-2025 05:00--0.040.05-3-----
17-01-2025 04:30--0.050.08-2.9-----
17-01-2025 04:00--0.030.1-2.5-----