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
11-12-2025 09:509.510.33
 Next HWNext LW
11:26, 10.41 17:46, 3.41
Date Highest 2025 Date Lowest 2025
08-11 56.61m 28-04 2.59m

Penarth Predicted Tide Table (Chart Datum)

11-12-202512-12-202513-12-2025
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High11:26
23:59
10.41m
9.88m
High12:20
10.03m
High00:55
13:19
9.58m
9.82m
Low05:13
17:46
3.37m
3.41m
Low06:03
18:37
3.65m
3.67m
Low07:00
19:34
3.81m
3.79m
14-12-202515-12-202516-12-2025
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High01:58
14:22
9.49m
9.80m
High03:02
15:24
9.67m
9.98m
High04:01
16:20
10.04m
10.27m
Low08:04
20:38
3.83m
3.73m
Low09:10
21:42
3.66m
3.48m
Low10:11
22:38
3.33m
3.12m