National Network of Regional Coastal Monitoring Programmes

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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.

Rhyl Flats

Latest Waves Data (Data was last updated 19 days 16 hours 49 minutes ago)

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)
07-09-2022 08:0053.38218-3.604970.420.643.22.7801918.53.10.27
Date Highest Hs 2022 Storm Alert Threshold
(0.25 yr Return Period Hs)
Swell Alert Threshold
(0.25 yr Return Period Te)
21-02 4.5m 2.96m 7.86s
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)
07-09-2022 08:0053.38218-3.604970.420.643.22.7801918.53.10.27
07-09-2022 07:3053.38211-3.604740.440.753.22.8862618.53.10.29
07-09-2022 07:0053.38209-3.604630.460.73.32.8901918.53.10.32
07-09-2022 06:3053.38211-3.604590.430.732.81012118.53.10.28
07-09-2022 06:0053.38211-3.604570.450.642.92.81152118.53.10.3
07-09-2022 05:3053.38210-3.604550.450.7432.81201918.530.3
07-09-2022 05:0053.38209-3.604550.40.673.12.81152518.63.10.24
07-09-2022 04:3053.38210-3.604550.390.62.92.81212118.630.23
07-09-2022 04:0053.38212-3.604550.320.672.82.71242118.63.20.16
07-09-2022 03:3053.38212-3.604570.370.532.82.71341918.73.10.21
07-09-2022 03:0053.38217-3.604630.390.522.72.61341818.730.22
07-09-2022 02:3053.38236-3.604950.350.612.32.41392518.730.18
07-09-2022 02:0053.38232-3.605340.280.442.22.31362518.73.30.13
07-09-2022 01:3053.38227-3.605470.320.5322.31462718.73.10.16
07-09-2022 01:0053.38224-3.605550.310.4722.31292518.73.20.15
07-09-2022 00:3053.38227-3.605550.30.511.92.21383318.73.20.14
07-09-2022 00:0053.38225-3.605600.340.411.92.21312918.730.17
06-09-2022 23:3053.38223-3.605600.320.411.92.31343118.73.40.17
06-09-2022 23:0053.38220-3.605640.240.521.92.71393918.74.80.14
06-09-2022 22:3053.38221-3.605620.210.3910.53.33043618.75.80.12
06-09-2022 22:0053.38223-3.605600.250.31.82.51413618.74.20.13
06-09-2022 21:3053.38221-3.605600.220.411.12.93075218.65.30.12
06-09-2022 21:0053.38221-3.605580.220.33103.63042618.66.10.14
06-09-2022 20:3053.38220-3.605510.20.311.13.52954418.65.80.11
06-09-2022 20:0053.38216-3.605470.220.2811.13.12804918.55.30.13
06-09-2022 19:3053.38206-3.605120.250.2910.53.12865118.55.40.17
06-09-2022 19:0053.38211-3.604760.320.3810.52.72955018.540.2
06-09-2022 18:3053.38211-3.604670.30.48102.62933518.53.90.17
06-09-2022 18:0053.38211-3.604610.330.452.32.61734018.63.40.18
06-09-2022 17:3053.38207-3.604570.390.432.62.81703718.63.70.28
06-09-2022 17:0053.38211-3.604550.430.712.72.61602518.73.10.29
06-09-2022 16:3053.38212-3.604520.420.682.62.71532318.73.20.28
06-09-2022 16:0053.38210-3.604550.370.62.72.71323218.73.50.24
06-09-2022 15:3053.38212-3.604550.410.542.72.81183318.83.60.3
06-09-2022 15:0053.38212-3.604590.360.6812.52.63193118.83.60.23
06-09-2022 14:3053.38214-3.604650.330.6311.82.93142918.84.50.24
06-09-2022 14:0053.38223-3.605060.340.4612.52.93092718.84.30.25
06-09-2022 13:3053.38221-3.605400.390.4912.52.73082818.84.10.3
06-09-2022 13:0053.38227-3.605490.450.6213.32.53053718.83.80.38
06-09-2022 12:3053.38225-3.605530.410.6813.32.53004618.840.33
06-09-2022 12:0053.38221-3.605550.380.6312.52.63123018.84.80.34
06-09-2022 11:3053.38219-3.605600.380.6413.32.83142518.85.70.41
06-09-2022 11:0053.38221-3.605600.360.4913.32.83112618.85.90.38
06-09-2022 10:3053.38221-3.605600.360.4511.82.73093118.75.40.34
06-09-2022 10:0053.38223-3.605600.370.4612.52.63114118.750.33
06-09-2022 09:3053.38223-3.605620.40.5613.32.53024618.74.60.36
06-09-2022 09:0053.38221-3.605600.440.5112.52.73053618.64.90.46
06-09-2022 08:3053.38220-3.605580.450.5911.12.73004418.64.90.49
06-09-2022 08:0053.38220-3.605550.470.6311.82.73044318.64.30.47