National Network of Regional Coastal Monitoring Programmes

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Note that these are real-time data and are not quality-controlled.

Breaks in the data series are when the instrument is dry.

Penarth

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)
20-06-2025 23:00--0.150.242.63.5-----
Date Highest Hs 2025 Storm Alert Threshold
(0.25 yr Return Period Hs)
26-01 0.8m 0.76m
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)
20-06-2025 23:00--0.150.242.63.5-----
20-06-2025 22:50--0.160.252.53.6-----
20-06-2025 22:40--0.170.272.13.7-----
20-06-2025 22:30--0.20.315.34.1-----
20-06-2025 22:20--0.20.312.64-----
20-06-2025 22:10--0.20.322.33.8-----
20-06-2025 22:00--0.190.312.43.4-----
20-06-2025 21:50--0.190.32.13.2-----
20-06-2025 21:40--0.130.212.22.9-----
20-06-2025 21:30--0.140.222.12.9-----
20-06-2025 21:20--0.140.222.12.8-----
20-06-2025 21:10--0.140.232.12.8-----
20-06-2025 21:00--0.140.232.22.8-----
20-06-2025 20:50--0.160.262.32.8-----
20-06-2025 20:40--0.170.272.32.8-----
20-06-2025 20:30--0.180.292.12.8-----
20-06-2025 20:20--0.180.292.12.9-----
20-06-2025 20:10--0.170.272.13-----
20-06-2025 20:00--0.150.252.13.1-----
20-06-2025 19:50--0.140.222.23.3-----
20-06-2025 19:40--0.120.1923.3-----
20-06-2025 19:30--0.110.1823.3-----
20-06-2025 19:20--0.110.1723.3-----
20-06-2025 19:10--0.10.1723.3-----
20-06-2025 19:00--0.10.1723.2-----
20-06-2025 18:50--0.10.1723.3-----
20-06-2025 18:40--0.10.172.13.3-----
20-06-2025 18:30--0.110.172.13.2-----
20-06-2025 18:20--0.120.22.83.4-----
20-06-2025 18:10--0.120.22.83.4-----
20-06-2025 18:00--0.120.192.83.5-----
20-06-2025 17:50--0.10.173.33.3-----
20-06-2025 17:40--0.110.193.33.3-----
20-06-2025 17:30--0.120.193.33.3-----
20-06-2025 17:20--0.140.222.43.5-----
20-06-2025 17:10--0.130.22.73.9-----
20-06-2025 17:00--0.130.22.74.2-----
20-06-2025 16:50--0.120.22.64.3-----
20-06-2025 16:40--0.130.22.64.2-----
20-06-2025 16:30--0.130.212.74.1-----
20-06-2025 16:20--0.160.253.14.2-----
20-06-2025 16:10--0.170.262.84.1-----
20-06-2025 16:00--0.150.252.23.4-----
20-06-2025 15:50--0.150.232.83.2-----
20-06-2025 15:40--0.170.282.73.2-----
20-06-2025 15:30--0.190.333.3-----
20-06-2025 15:20--0.190.333.3-----
20-06-2025 15:10--0.160.263.23.3-----
20-06-2025 15:00--0.160.253.33.3-----
20-06-2025 14:50--0.190.32.23.1-----
20-06-2025 14:40--0.190.33.23.1-----
20-06-2025 14:30--0.20.323.23.2-----
20-06-2025 14:20--0.20.3233.2-----
20-06-2025 14:10--0.20.3233.3-----
20-06-2025 14:00--0.190.3133.3-----
20-06-2025 13:50--0.190.333.2-----
20-06-2025 13:40--0.20.3133.2-----
20-06-2025 13:30--0.20.3233.1-----
20-06-2025 13:20--0.210.332.63.1-----
20-06-2025 13:10--0.210.342.63-----
20-06-2025 13:00--0.220.352.63-----
20-06-2025 12:50--0.230.362.73-----
20-06-2025 12:40--0.240.3733-----
20-06-2025 12:30--0.240.382.83-----
20-06-2025 12:20--0.250.3933-----
20-06-2025 12:10--0.260.433-----
20-06-2025 12:00--0.270.433.13-----
20-06-2025 11:50--0.280.443.13-----
20-06-2025 11:40--0.240.3833-----
20-06-2025 11:30--0.240.3733-----
20-06-2025 11:20--0.230.362.93-----
20-06-2025 11:10--0.220.352.82.9-----
20-06-2025 11:00--0.20.322.72.9-----
20-06-2025 10:50--0.190.312.62.9-----
20-06-2025 10:40--0.190.32.62.8-----
20-06-2025 10:30--0.170.282.63.3-----
20-06-2025 10:20--0.170.272.73.2-----
20-06-2025 10:10--0.170.282.63.2-----
20-06-2025 10:00--0.180.292.63.1-----
20-06-2025 09:50--0.20.312.73.1-----
20-06-2025 09:40--0.20.322.73-----
20-06-2025 09:30--0.20.322.73-----
20-06-2025 09:20--0.150.242.72.9-----
20-06-2025 09:10--0.150.242.72.9-----
20-06-2025 09:00--0.150.242.52.9-----
20-06-2025 08:50--0.140.232.52.8-----
20-06-2025 08:40--0.140.232.32.8-----
20-06-2025 08:30--0.130.2222.8-----
20-06-2025 08:20--0.130.212.12.9-----
20-06-2025 08:10--0.130.212.13-----
20-06-2025 08:00--0.130.2223-----
20-06-2025 07:50--0.150.2423.1-----
20-06-2025 07:40--0.160.2623.2-----
20-06-2025 07:30--0.170.272.13.2-----
20-06-2025 07:20--0.180.2923.2-----
20-06-2025 07:10--0.190.3123.2-----
20-06-2025 07:00--0.190.323.2-----
20-06-2025 06:50--0.180.282.13.2-----
20-06-2025 06:40--0.160.2623.2-----
20-06-2025 06:30--0.180.2823.5-----
20-06-2025 06:20--0.170.2723.7-----
20-06-2025 06:10--0.160.252.13.9-----
20-06-2025 06:00--0.130.2124.1-----
20-06-2025 05:50--0.10.162.14.1-----
20-06-2025 05:40--0.080.122.14.1-----
20-06-2025 05:30--0.070.122.14.1-----
20-06-2025 05:20-----------
20-06-2025 05:10-----------
20-06-2025 05:00-----------
20-06-2025 04:50-----------
20-06-2025 04:40--0.110.182.14-----
20-06-2025 04:30--0.110.182.14-----
20-06-2025 04:20--0.110.182.24-----
20-06-2025 04:10--0.120.192.24.1-----
20-06-2025 04:00--0.120.22.74.1-----
20-06-2025 03:50--0.120.192.64-----
20-06-2025 03:40--0.090.162.13.2-----
20-06-2025 03:30--0.160.252.63.8-----
20-06-2025 03:20--0.180.293.13.8-----
20-06-2025 03:10--0.190.2933.7-----
20-06-2025 03:00--0.170.2733.7-----
20-06-2025 02:50--0.160.253.33.6-----
20-06-2025 02:40--0.140.233.23.7-----
20-06-2025 02:30--0.130.212.63.8-----
20-06-2025 02:20--0.130.213.54.2-----
20-06-2025 02:10--0.130.216.14.3-----
20-06-2025 02:00--0.130.219.14.3-----
20-06-2025 01:50--0.140.229.94.3-----
20-06-2025 01:40--0.140.229.94.4-----
20-06-2025 01:30--0.140.239.14.5-----
20-06-2025 01:20--0.150.249.14.6-----
20-06-2025 01:10--0.160.2484.6-----
20-06-2025 01:00--0.160.2584.5-----
20-06-2025 00:50--0.160.2584.4-----
20-06-2025 00:40--0.170.2684.3-----
20-06-2025 00:30--0.170.2784.1-----
20-06-2025 00:20--0.180.282.53.9-----
20-06-2025 00:10--0.180.282.93.7-----
20-06-2025 00:00--0.190.33.33.7-----
19-06-2025 23:50--0.190.343.8-----
19-06-2025 23:40--0.180.2843.9-----
19-06-2025 23:30--0.170.2743.9-----
19-06-2025 23:20--0.170.272.13.7-----
19-06-2025 23:10--0.170.272.13.6-----
19-06-2025 23:00--0.150.242.53.8-----