National Network of Regional Coastal Monitoring Programmes

« Return to map for other wave, tide and met stations.

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.

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

Penarth

Tide Levels and Harmonics

 


Latest Tide Data (Predicted Tide Table)

Time (GMT)ElevationResidual
11-08-2026 01:405.210.16
 Next HWNext LW
05:32, 10.89 11:53, 2.55
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m

Penarth Predicted Tide Table (Chart Datum)

11-08-202612-08-202613-08-2026
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High05:32
17:57
10.89m
11.47m
High06:32
18:51
11.79m
12.30m
High07:21
19:37
12.46m
12.81m
Low11:53
2.55m
Low00:30
12:52
2.01m
1.76m
Low01:22
13:39
1.33m
1.22m
14-08-202615-08-202616-08-2026
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High08:03
20:17
12.76m
12.94m
High08:40
20:54
12.68m
12.75m
High09:14
21:26
12.32m
12.33m
Low02:06
14:19
0.99m
1.02m
Low02:43
14:54
1.01m
1.13m
Low03:14
15:24
1.30m
1.46m