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
17-12-2025 06:309.360.27
 Next HWNext LW
17:10, 10.61 11:03, 2.94
Date Highest 2025 Date Lowest 2025
08-11 56.61m 28-04 2.59m

Penarth Predicted Tide Table (Chart Datum)

17-12-202518-12-202519-12-2025
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High04:53
17:10
10.50m
10.61m
High05:38
17:55
10.93m
10.92m
High06:19
18:37
11.26m
11.16m
Low11:03
23:26
2.94m
2.75m
Low11:49
2.58m
Low00:09
12:31
2.45m
2.31m
20-12-202521-12-202522-12-2025
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High06:57
19:15
11.47m
11.28m
High07:33
19:52
11.54m
11.28m
High08:08
20:27
11.47m
11.18m
Low00:49
13:10
2.27m
2.16m
Low01:26
13:47
2.20m
2.14m
Low02:02
14:23
2.25m
2.23m