National Network of Regional Coastal Monitoring Programmes

« Dychwelid at fap am donau, llanw a gorsafoedd tywydd eraill.

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.

Severn Bridge

Data llanw diweddaraf (Predicted Tide Table)

Amser (ASG)CodiadGweddill
23-09-2023 10:509.840.34
 Penllanw nesafDistyll nesaf
12:05, 10.14 18:22, 3.72
Dyddiad Uchaf 2023 Dyddiad Isaf 2023
01-07 15.33m 06-02 -2.01m
Amser (ASG)CodiadGweddill
23-09-2023 10:509.840.34
23-09-2023 10:409.720.39
23-09-2023 10:309.580.42
23-09-2023 10:209.430.45
23-09-2023 10:109.250.46
23-09-2023 10:009.070.48
23-09-2023 09:508.880.49
23-09-2023 09:408.670.5
23-09-2023 09:308.470.52
23-09-2023 09:208.240.52
23-09-2023 09:108.020.54
23-09-2023 09:007.80.57
23-09-2023 08:507.580.61
23-09-2023 08:407.380.67
23-09-2023 08:307.160.72
23-09-2023 08:206.940.79
23-09-2023 08:106.720.85
23-09-2023 08:006.510.92
23-09-2023 07:506.280.98
23-09-2023 07:406.051.03
23-09-2023 07:305.81.04
23-09-2023 07:205.541.05
23-09-2023 07:105.291.03
23-09-2023 07:005.030.98
23-09-2023 06:504.780.93
23-09-2023 06:404.50.82
23-09-2023 06:304.240.69
23-09-2023 06:2040.55
23-09-2023 06:103.770.4
23-09-2023 06:003.590.25
23-09-2023 05:503.420.09
23-09-2023 05:403.27-0.08
23-09-2023 05:303.21-0.2
23-09-2023 05:203.23-0.26
23-09-2023 05:103.3-0.29
23-09-2023 05:003.4-0.3
23-09-2023 04:503.54-0.3
23-09-2023 04:403.68-0.31
23-09-2023 04:303.85-0.3
23-09-2023 04:204.04-0.28
23-09-2023 04:104.23-0.27
23-09-2023 04:004.43-0.25
23-09-2023 03:504.64-0.23
23-09-2023 03:404.84-0.23
23-09-2023 03:305.07-0.2
23-09-2023 03:205.29-0.2
23-09-2023 03:105.52-0.19
23-09-2023 03:005.75-0.19
23-09-2023 02:505.99-0.2
23-09-2023 02:406.22-0.21
23-09-2023 02:306.47-0.23
23-09-2023 02:206.71-0.27
23-09-2023 02:106.97-0.29
23-09-2023 02:007.23-0.33
23-09-2023 01:507.49-0.36
23-09-2023 01:407.77-0.39
23-09-2023 01:308.04-0.41
23-09-2023 01:208.31-0.44
23-09-2023 01:108.57-0.46
23-09-2023 01:008.83-0.47
23-09-2023 00:509.1-0.45
23-09-2023 00:409.34-0.43
23-09-2023 00:309.6-0.37
23-09-2023 00:209.82-0.31
23-09-2023 00:1010.03-0.24
23-09-2023 00:0010.21-0.17
22-09-2023 23:5010.34-0.1
22-09-2023 23:4010.44-0.03
22-09-2023 23:3010.50.03
22-09-2023 23:2010.530.09
22-09-2023 23:1010.510.13
22-09-2023 23:0010.450.16
22-09-2023 22:5010.380.2
22-09-2023 22:4010.290.25
22-09-2023 22:3010.170.27
22-09-2023 22:2010.040.3
22-09-2023 22:109.870.32
22-09-2023 22:009.70.34
22-09-2023 21:509.50.35
22-09-2023 21:409.30.35
22-09-2023 21:309.090.37
22-09-2023 21:208.860.37
22-09-2023 21:108.620.37
22-09-2023 21:008.370.38
22-09-2023 20:508.110.39
22-09-2023 20:407.850.41
22-09-2023 20:307.60.45
22-09-2023 20:207.330.48
22-09-2023 20:107.090.55
22-09-2023 20:006.830.61
22-09-2023 19:506.570.68
22-09-2023 19:406.330.76
22-09-2023 19:306.070.82
22-09-2023 19:205.790.86
22-09-2023 19:105.530.89
22-09-2023 19:005.270.92
22-09-2023 18:504.990.91
22-09-2023 18:404.740.89
22-09-2023 18:304.460.81
22-09-2023 18:204.170.7
22-09-2023 18:103.910.57
22-09-2023 18:003.680.44
22-09-2023 17:503.480.31
22-09-2023 17:403.290.15
22-09-2023 17:303.14-0.02
22-09-2023 17:203.06-0.14
22-09-2023 17:103.03-0.24
22-09-2023 17:003.07-0.3
22-09-2023 16:503.16-0.32
22-09-2023 16:403.29-0.33
22-09-2023 16:303.45-0.32
22-09-2023 16:203.6-0.33
22-09-2023 16:103.79-0.31
22-09-2023 16:003.98-0.29
22-09-2023 15:504.19-0.26
22-09-2023 15:404.41-0.21
22-09-2023 15:304.63-0.17
22-09-2023 15:204.87-0.11
22-09-2023 15:105.11-0.06
22-09-2023 15:005.34-0.03
22-09-2023 14:505.590.01
22-09-2023 14:405.850.06
22-09-2023 14:306.110.08
22-09-2023 14:206.380.11
22-09-2023 14:106.630.1
22-09-2023 14:006.890.08
22-09-2023 13:507.150.04
22-09-2023 13:407.430.02
22-09-2023 13:307.7-0.04
22-09-2023 13:207.98-0.09
22-09-2023 13:108.27-0.13
22-09-2023 13:008.55-0.17
22-09-2023 12:508.83-0.21
22-09-2023 12:409.1-0.25
22-09-2023 12:309.37-0.27
22-09-2023 12:209.64-0.27
22-09-2023 12:109.9-0.25
22-09-2023 12:0010.14-0.21
22-09-2023 11:5010.37-0.14
22-09-2023 11:4010.56-0.1
22-09-2023 11:3010.73-0.02
22-09-2023 11:2010.870.06
22-09-2023 11:1010.960.12
22-09-2023 11:0011.020.2
22-09-2023 10:5011.040.26
22-09-2023 10:4011.010.31
22-09-2023 10:3010.950.35
22-09-2023 10:2010.860.38
22-09-2023 10:1010.730.4
22-09-2023 10:0010.580.41
22-09-2023 09:5010.390.4
22-09-2023 09:4010.180.39
22-09-2023 09:309.960.37
22-09-2023 09:209.710.35
22-09-2023 09:109.450.32
22-09-2023 09:009.190.31
22-09-2023 08:508.940.32
22-09-2023 08:408.650.32
22-09-2023 08:308.370.34
22-09-2023 08:208.10.38
22-09-2023 08:107.820.43
22-09-2023 08:007.530.48
22-09-2023 07:507.240.55
22-09-2023 07:406.960.64
22-09-2023 07:306.680.74
22-09-2023 07:206.40.83
22-09-2023 07:106.120.92
22-09-2023 07:005.831
22-09-2023 06:505.541.06
22-09-2023 06:405.241.1
22-09-2023 06:304.941.09
22-09-2023 06:204.631.06
22-09-2023 06:104.290.96
22-09-2023 06:003.950.81
22-09-2023 05:503.660.68
22-09-2023 05:403.390.51
22-09-2023 05:303.120.31
22-09-2023 05:202.870.08
22-09-2023 05:102.71-0.1
22-09-2023 05:002.66-0.2
22-09-2023 04:502.69-0.25
22-09-2023 04:402.77-0.28
22-09-2023 04:302.9-0.28
22-09-2023 04:203.05-0.29
22-09-2023 04:103.22-0.28
22-09-2023 04:003.4-0.27
22-09-2023 03:503.59-0.25
22-09-2023 03:403.8-0.22
22-09-2023 03:304.02-0.17
22-09-2023 03:204.28-0.1
22-09-2023 03:104.5-0.06
22-09-2023 03:004.760.01
22-09-2023 02:505.010.07
22-09-2023 02:405.260.13
22-09-2023 02:305.520.17
22-09-2023 02:205.80.22
22-09-2023 02:106.060.25
22-09-2023 02:006.330.25
22-09-2023 01:506.60.24
22-09-2023 01:406.870.21
22-09-2023 01:307.160.17
22-09-2023 01:207.440.12
22-09-2023 01:107.730.05
22-09-2023 01:008.04-0.01
22-09-2023 00:508.34-0.09
22-09-2023 00:408.64-0.15
22-09-2023 00:308.96-0.19
22-09-2023 00:209.27-0.23
22-09-2023 00:109.57-0.26
22-09-2023 00:009.87-0.27
21-09-2023 23:5010.18-0.23
21-09-2023 23:4010.47-0.18
21-09-2023 23:3010.73-0.11
21-09-2023 23:2010.97-0.03
21-09-2023 23:1011.180.07
21-09-2023 23:0011.340.16
21-09-2023 22:5011.450.25
21-09-2023 22:4011.520.33
21-09-2023 22:3011.530.39
21-09-2023 22:2011.480.42
21-09-2023 22:1011.40.46
21-09-2023 22:0011.280.48
21-09-2023 21:5011.140.49
21-09-2023 21:4010.960.49
21-09-2023 21:3010.740.48
21-09-2023 21:2010.510.47
21-09-2023 21:1010.250.44
21-09-2023 21:009.960.4
21-09-2023 20:509.670.37
21-09-2023 20:409.360.34
21-09-2023 20:309.050.32
21-09-2023 20:208.730.31
21-09-2023 20:108.40.31
21-09-2023 20:008.060.31
21-09-2023 19:507.710.34
21-09-2023 19:407.370.37
21-09-2023 19:307.120.51
21-09-2023 19:206.750.54
21-09-2023 19:106.430.63
21-09-2023 19:006.080.68
21-09-2023 18:505.730.74
21-09-2023 18:405.420.81
21-09-2023 18:305.090.85
21-09-2023 18:204.760.85
21-09-2023 18:104.420.82
21-09-2023 18:004.050.73
21-09-2023 17:503.710.61
21-09-2023 17:403.420.5
21-09-2023 17:303.160.38
21-09-2023 17:202.870.18
21-09-2023 17:102.65-0.01
21-09-2023 17:002.52-0.15
21-09-2023 16:502.5-0.21
21-09-2023 16:402.55-0.25
21-09-2023 16:302.65-0.27
21-09-2023 16:202.79-0.27
21-09-2023 16:102.95-0.28
21-09-2023 16:003.11-0.3
21-09-2023 15:503.3-0.29
21-09-2023 15:403.51-0.27
21-09-2023 15:303.71-0.26
21-09-2023 15:203.94-0.21
21-09-2023 15:104.17-0.16
21-09-2023 15:004.42-0.1
21-09-2023 14:504.68-0
21-09-2023 14:404.950.09
21-09-2023 14:305.230.19
21-09-2023 14:205.50.27
21-09-2023 14:105.770.34
21-09-2023 14:006.040.39
21-09-2023 13:506.320.45
21-09-2023 13:406.60.47
21-09-2023 13:306.880.47
21-09-2023 13:207.170.45
21-09-2023 13:107.470.42
21-09-2023 13:007.770.37
21-09-2023 12:508.070.31
21-09-2023 12:408.370.23
21-09-2023 12:308.690.16
21-09-2023 12:209.030.11
21-09-2023 12:109.350.05
21-09-2023 12:009.680
21-09-2023 11:5010-0.02
21-09-2023 11:4010.32-0.02
21-09-2023 11:3010.650.02
21-09-2023 11:2010.960.08
21-09-2023 11:1011.220.14
21-09-2023 11:0011.460.21
21-09-2023 10:5011.650.29
21-09-2023 10:4011.790.36
21-09-2023 10:3011.880.43
21-09-2023 10:2011.920.49
21-09-2023 10:1011.880.5