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
09-12-2025 17:103.890.9
 Next HWNext LW
22:21, 10.91 04:28, 2.97
Date Highest 2025 Date Lowest 2025
08-11 56.61m 28-04 2.59m

Penarth Predicted Tide Table (Chart Datum)

09-12-202510-12-202511-12-2025
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High09:50
22:21
11.48m
10.91m
High10:37
23:09
10.92m
10.35m
High11:26
23:59
10.41m
9.88m
Low03:43
16:14
2.50m
2.56m
Low04:28
16:59
2.98m
3.03m
Low05:13
17:46
3.37m
3.41m
12-12-202513-12-202514-12-2025
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High12:20
10.03m
High00:55
13:19
9.58m
9.82m
High01:58
14:22
9.49m
9.80m
Low06:03
18:37
3.65m
3.67m
Low07:00
19:34
3.81m
3.79m
Low08:04
20:38
3.83m
3.73m