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)
09-03-2026 06:10--0.20.312.44-----
Date Highest Hs 2026 Storm Alert Threshold
(0.25 yr Return Period Hs)
24-01 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)
09-03-2026 06:10--0.20.312.44-----
09-03-2026 06:00--0.170.275.84.3-----
09-03-2026 05:50--0.160.255.84.4-----
09-03-2026 05:40--0.160.256.44.3-----
09-03-2026 05:30--0.150.246.44.3-----
09-03-2026 05:20--0.150.247.14.4-----
09-03-2026 05:10--0.150.239.14.5-----
09-03-2026 05:00--0.150.239.14.8-----
09-03-2026 04:50--0.150.239.94.8-----
09-03-2026 04:40-----------
09-03-2026 04:30-----------
09-03-2026 04:20-----------
09-03-2026 04:10-----------
09-03-2026 04:00-----------
09-03-2026 03:50-----------
09-03-2026 03:40-----------
09-03-2026 03:30-----------
09-03-2026 03:20-----------
09-03-2026 03:10-----------
09-03-2026 03:00-----------
09-03-2026 02:50-----------
09-03-2026 02:40--0.120.1924-----
09-03-2026 02:30--0.110.182.34.1-----
09-03-2026 02:20--0.110.172.34.1-----
09-03-2026 02:10--0.110.172.34-----
09-03-2026 02:00--0.120.192.83.9-----
09-03-2026 01:50--0.130.25.64-----
09-03-2026 01:40--0.130.215.64.1-----
09-03-2026 01:30--0.130.215.64.2-----
09-03-2026 01:20--0.160.2524-----
09-03-2026 01:10--0.150.2424-----
09-03-2026 01:00--0.150.242.24-----
09-03-2026 00:50--0.150.242.23.9-----
09-03-2026 00:40--0.150.242.14-----
09-03-2026 00:30--0.160.252.24-----
09-03-2026 00:20--0.140.2323.7-----
09-03-2026 00:10--0.150.242.13.9-----
09-03-2026 00:00--0.160.252.34.1-----
08-03-2026 23:50--0.170.262.84.2-----
08-03-2026 23:40--0.190.32.74.1-----
08-03-2026 23:30--0.210.322.23.8-----
08-03-2026 23:20--0.220.342.64-----
08-03-2026 23:10--0.220.342.44.2-----
08-03-2026 23:00--0.230.35164.3-----
08-03-2026 22:50--0.240.37164.4-----
08-03-2026 22:40--0.250.39164.4-----
08-03-2026 22:30--0.260.414.24.5-----
08-03-2026 22:20--0.310.472.13.8-----
08-03-2026 22:10--0.310.482.34.1-----
08-03-2026 22:00--0.320.489.14.2-----
08-03-2026 21:50--0.320.482.74.2-----
08-03-2026 21:40--0.330.53.74.2-----
08-03-2026 21:30--0.340.513.64.2-----
08-03-2026 21:20--0.330.53.54.4-----
08-03-2026 21:10--0.320.486.74.4-----
08-03-2026 21:00--0.30.455.84.9-----
08-03-2026 20:50--0.290.435.84.8-----
08-03-2026 20:40--0.280.425.34.7-----
08-03-2026 20:30--0.270.414.44.6-----
08-03-2026 20:20--0.260.45.14.5-----
08-03-2026 20:10--0.260.395.84.4-----
08-03-2026 20:00--0.250.395.64.3-----
08-03-2026 19:50--0.240.376.14.8-----
08-03-2026 19:40--0.240.366.14.8-----
08-03-2026 19:30--0.230.356.14.8-----
08-03-2026 19:20--0.230.356.14.6-----
08-03-2026 19:10--0.220.346.14.4-----
08-03-2026 19:00--0.220.346.14.3-----
08-03-2026 18:50--0.210.335.14.4-----
08-03-2026 18:40--0.220.345.14.2-----
08-03-2026 18:30--0.230.365.64.1-----
08-03-2026 18:20--0.230.365.33.9-----
08-03-2026 18:10--0.220.345.34-----
08-03-2026 18:00--0.210.322.34.1-----
08-03-2026 17:50--0.170.269.14.6-----
08-03-2026 17:40--0.170.276.44.4-----
08-03-2026 17:30--0.180.299.14.2-----
08-03-2026 17:20--0.180.282.24.1-----
08-03-2026 17:10--0.180.2884.2-----
08-03-2026 17:00--0.170.2784.5-----
08-03-2026 16:50--0.170.279.94.5-----
08-03-2026 16:40-----------
08-03-2026 16:30-----------
08-03-2026 16:20-----------
08-03-2026 16:10-----------
08-03-2026 16:00-----------
08-03-2026 15:50-----------
08-03-2026 15:40-----------
08-03-2026 15:30-----------
08-03-2026 15:20-----------
08-03-2026 15:10-----------
08-03-2026 15:00-----------
08-03-2026 14:50-----------
08-03-2026 14:40-----------
08-03-2026 14:30-----------
08-03-2026 14:20--0.130.22.33.4-----
08-03-2026 14:10--0.120.22.33.4-----
08-03-2026 14:00--0.130.213.53.6-----
08-03-2026 13:50--0.120.192.13.9-----
08-03-2026 13:40--0.120.192.93.9-----
08-03-2026 13:30-----------
08-03-2026 13:20-----------
08-03-2026 13:10--0.140.222.13.7-----
08-03-2026 13:00--0.140.2223.9-----
08-03-2026 12:50--0.130.212.13.9-----
08-03-2026 12:40--0.130.213.23.9-----
08-03-2026 12:30--0.140.223.24.1-----
08-03-2026 12:20--0.140.223.24.2-----
08-03-2026 12:10--0.140.232.13.8-----
08-03-2026 12:00--0.140.232.84.1-----
08-03-2026 11:50--0.150.242.84.3-----
08-03-2026 11:40--0.160.25164.7-----
08-03-2026 11:30--0.170.2718.34.9-----
08-03-2026 11:20--0.20.3124.4-----
08-03-2026 11:10--0.210.32164.6-----
08-03-2026 11:00--0.220.33164.7-----
08-03-2026 10:50--0.230.35164.8-----
08-03-2026 10:40--0.240.36164.9-----
08-03-2026 10:30--0.250.38165-----
08-03-2026 10:20--0.280.432.14.1-----
08-03-2026 10:10--0.290.4514.24.2-----
08-03-2026 10:00--0.30.452.84.3-----
08-03-2026 09:50--0.310.4714.24.3-----
08-03-2026 09:40--0.310.4714.24.4-----
08-03-2026 09:30--0.320.4814.24.4-----
08-03-2026 09:20--0.330.58.54.4-----
08-03-2026 09:10--0.340.517.14.4-----
08-03-2026 09:00--0.340.5112.84.3-----
08-03-2026 08:50--0.330.52.64.2-----
08-03-2026 08:40--0.310.465.84.5-----
08-03-2026 08:30--0.290.446.74.3-----
08-03-2026 08:20--0.290.445.34.3-----
08-03-2026 08:10--0.280.435.34.2-----
08-03-2026 08:00--0.280.436.14.2-----
08-03-2026 07:50--0.290.445.84.1-----
08-03-2026 07:40--0.30.456.14-----
08-03-2026 07:30--0.270.417.54.3-----
08-03-2026 07:20--0.260.434.2-----
08-03-2026 07:10--0.250.3933.9-----
08-03-2026 07:00--0.250.3933.7-----
08-03-2026 06:50--0.260.42.73.5-----
08-03-2026 06:40--0.230.362.83.8-----
08-03-2026 06:30--0.230.3633.7-----
08-03-2026 06:20--0.240.372.63.7-----
08-03-2026 06:10--0.230.362.73.6-----
08-03-2026 06:00--0.230.362.93.5-----