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)
20-05-2025 12:00--0.070.1-12.6-----
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)
20-05-2025 12:00--0.070.1-12.6-----
20-05-2025 11:30--0.070.09-2.5-----
20-05-2025 11:00--0.070.09-2.2-----
20-05-2025 10:30--0.070.11-2.3-----
20-05-2025 10:00--0.070.09-2.1-----
20-05-2025 09:30--0.070.13-2.3-----
20-05-2025 09:00--0.10.13-2.1-----
20-05-2025 08:30--0.10.15-1.8-----
20-05-2025 08:00--0.090.13-2.1-----
20-05-2025 07:30--0.080.09-1.9-----
20-05-2025 07:00--0.080.11-2.1-----
20-05-2025 06:30--0.060.09-2.2-----
20-05-2025 06:00--0.060.08-2.8-----
20-05-2025 05:30--0.070.09-2.7-----
20-05-2025 05:00--0.070.11-2.3-----
20-05-2025 04:30--0.060.08-2-----
20-05-2025 04:00--0.040.07-2.1-----
20-05-2025 03:30--00.06-2.8-----
20-05-2025 03:00--00.05-2.5-----
20-05-2025 02:30--00.07-3.8-----
20-05-2025 02:00--00.07-2.1-----
20-05-2025 01:30--0.080.16-2.2-----
20-05-2025 01:00--0.10.136.71.9-----
20-05-2025 00:30--0.070.15-2-----
20-05-2025 00:00--0.060.142.81.9-----
19-05-2025 23:30--0.060.12-2.1-----
19-05-2025 23:00--0.070.11-2.1-----
19-05-2025 22:30--00.13-2-----
19-05-2025 22:00--0.050.12-2.2-----
19-05-2025 21:30--0.060.12-2.1-----
19-05-2025 21:00--0.030.134.12-----
19-05-2025 20:30--0.070.19-2.1-----
19-05-2025 20:00--0.090.196.11.7-----
19-05-2025 19:30--0.090.146.71.9-----
19-05-2025 19:00--0.080.14-2-----
19-05-2025 18:30--0.080.14-2.2-----
19-05-2025 18:00--0.040.09-2.5-----
19-05-2025 17:30--0.040.07-2.4-----
19-05-2025 17:00--0.040.08-2.2-----
19-05-2025 16:30--0.050.1-2.3-----
19-05-2025 16:00--0.060.09-2.5-----
19-05-2025 15:30--0.060.08-2.2-----
19-05-2025 15:00--0.060.08-2.6-----
19-05-2025 14:30--0.060.07-2.5-----
19-05-2025 14:00--0.070.08-2.2-----
19-05-2025 13:30--0.090.14-2.1-----
19-05-2025 13:00--0.10.2-1.9-----
19-05-2025 12:30--0.150.23-1.8-----
19-05-2025 12:00--0.140.21-2-----