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
15-08-2026 18:308.250.05
 Next HWNext LW
20:54, 12.75 03:14, 1.29
Date Highest 2026 Date Lowest 2026
04-02 13.05m 18-01 2.59m

Penarth Predicted Tide Table (Chart Datum)

15-08-202616-08-202617-08-2026
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High08:40
20:54
12.68m
12.75m
High09:14
21:26
12.32m
12.33m
High09:45
21:57
11.80m
11.76m
Low02:43
14:54
1.01m
1.13m
Low03:14
15:24
1.30m
1.46m
Low03:41
15:51
1.71m
1.88m
18-08-202619-08-202620-08-2026
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High10:14
22:28
11.22m
11.12m
High10:44
23:00
10.60m
10.40m
High11:20
23:41
9.95m
9.63m
Low04:06
16:17
2.17m
2.36m
Low04:32
16:47
2.64m
2.90m
Low05:03
17:25
3.18m
3.52m