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)
11-07-2025 07:00--0.060.08-2.5-----
Date Highest Hs 2025 Storm Alert Threshold
(0.25 yr Return Period Hs)
24-01 0.7m 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)
11-07-2025 07:00--0.060.08-2.5-----
11-07-2025 06:30--0.060.09-2.3-----
11-07-2025 06:00--0.090.13-2.3-----
11-07-2025 05:30--0.070.12-2.3-----
11-07-2025 05:00--0.080.15-1.9-----
11-07-2025 04:30--0.060.07-2.3-----
11-07-2025 04:00--0.060.11-1.9-----
11-07-2025 03:30--0.050.09-2.2-----
11-07-2025 03:00--0000-----
11-07-2025 02:30--0.020.04-9.3-----
11-07-2025 02:00--0.020.09-1.8-----
11-07-2025 01:30--0.060.1-2.2-----
11-07-2025 01:00--0.070.14-2.2-----
11-07-2025 00:30--0.090.12-2.1-----
11-07-2025 00:00--0.080.14-2.1-----
10-07-2025 23:30--0.030.1-2.5-----
10-07-2025 23:00--00.06-2.3-----
10-07-2025 22:30--0.030.08-2-----
10-07-2025 22:00--0.040.08-1.9-----
10-07-2025 21:30--0.040.12-1.9-----
10-07-2025 21:00--0.050.09-2.1-----
10-07-2025 20:30--0.090.18-2.3-----
10-07-2025 20:00--0.110.233.12.1-----
10-07-2025 19:30--0.10.14-2-----
10-07-2025 19:00--0.10.15-1.9-----
10-07-2025 18:30--0.10.16-2.1-----
10-07-2025 18:00--0.10.15-2-----
10-07-2025 17:30--0.110.13-2.3-----
10-07-2025 17:00--0.10.18-1.8-----
10-07-2025 16:30--0.090.13-2-----
10-07-2025 16:00--0.090.13-2.2-----
10-07-2025 15:30--0.070.1-2.1-----
10-07-2025 15:00--0.080.11-2-----
10-07-2025 14:30--0.090.11-2.2-----
10-07-2025 14:00--0.080.12-2.3-----
10-07-2025 13:30--0.070.12-2.2-----
10-07-2025 13:00--0.080.14-2-----
10-07-2025 12:30--0.080.09-2.4-----
10-07-2025 12:00--0.090.13-1.9-----
10-07-2025 11:30--0.070.09-2.7-----
10-07-2025 11:00--0.040.05-3-----
10-07-2025 10:30--0.030.05-4-----
10-07-2025 10:00--0.070.08-2.7-----
10-07-2025 09:30--0.070.09-2.7-----
10-07-2025 09:00--0.070.08-2.6-----
10-07-2025 08:30--0.060.1-2.4-----
10-07-2025 08:00--0.060.08-2.3-----
10-07-2025 07:30--0.060.08-3.2-----
10-07-2025 07:00--0.050.09-2.6-----