National Network of Regional Coastal Monitoring Programmes

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

Dewis Mis:

(i) stands for Iridium

Golwg Data Siart

Lawrlwytho Sbectra

Crynodeb Môr ac Ymchwydd am (11/06/2025 17:55 GMT)
Uchder Arwyddocaol Ton (m)	0.14
Croesi i Fyny Sero Cyfnod Ton (Sbectrwm Tz) (s)	2.4
Uchder Arwyddocaol Ton Gwynt (m)	0.14
Brig Cyfnod Ton Gwynt (s)	2
Wind Wave Peak Period Direction (°)	354
Uchder Ton Arwyddocaol yr Ymchwydd (m)	0.01
Brig Cyfnod Ymchwydd (s)	14.3
Swell Peak Period Direction (°)	327.7
% ymchwydd	0.8

Wave Spectra for date 11/06/2025 17:55:

Amledd (Hz)	Cyfnod (s)	Egni wedi Normaleiddio	Egni
0.025	40	0	0
0.030	33.3	0.001	0
0.035	28.6	0.004	0
0.040	25	0.005	0
0.045	22.2	0.004	0
0.050	20	0.007	0
0.055	18.2	0.01	0
0.060	16.7	0.014	0
0.065	15.4	0.047	0
0.070	14.3	0.121	0.001
0.075	13.3	0.028	0
0.080	12.5	0.025	0
0.085	11.8	0.012	0
0.090	11.1	0.007	0
0.095	10.5	0.004	0
0.100	10	0.01	0
0.110	9.1	0.009	0
0.120	8.3	0.014	0
0.130	7.7	0.039	0
0.140	7.1	0.463	0.003
0.150	6.7	0.73	0.005
0.160	6.3	0.1	0.001
0.170	5.9	0.156	0.001
0.180	5.6	0.071	0
0.190	5.3	0.151	0.001
0.200	5	0.634	0.004
0.210	4.8	0.364	0.002
0.220	4.5	0.221	0.001
0.230	4.3	0.195	0.001
0.240	4.2	0.14	0.001
0.250	4	0.238	0.002
0.260	3.8	0.366	0.002
0.270	3.7	0.297	0.002
0.280	3.6	0.48	0.003
0.290	3.4	0.318	0.002
0.300	3.3	0.271	0.002
0.310	3.2	0.434	0.003
0.320	3.1	0.465	0.003
0.330	3	0.323	0.002
0.340	2.9	0.328	0.002
0.350	2.9	0.278	0.002
0.360	2.8	0.43	0.003
0.370	2.7	0.264	0.002
0.380	2.6	0.279	0.002
0.390	2.6	0.186	0.001
0.400	2.5	0.279	0.002
0.410	2.4	0.306	0.002
0.420	2.4	0.263	0.002
0.430	2.3	0.323	0.002
0.440	2.3	0.411	0.003
0.450	2.2	0.284	0.002
0.460	2.2	0.494	0.003
0.470	2.1	0.791	0.005
0.480	2.1	0.771	0.005
0.490	2	0.787	0.005
0.500	2	1	0.006
0.510	2	0.752	0.005
0.520	1.9	0.823	0.005
0.530	1.9	0.628	0.004
0.540	1.9	0.887	0.006
0.550	1.8	0.525	0.003
0.560	1.8	0.522	0.003
0.570	1.8	0.677	0.004
0.580	1.7	0.641	0.004