National Network of Regional Coastal Monitoring Programmes

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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.

Second Severn Crossing

Tide Levels and Harmonics

 


Latest Tide Data (Predicted Tide Table)

Time (GMT)ElevationResidual
11-04-2026 11:508.710.11
 Next HWNext LW
13:10, 9.14 19:00, 4.35
Date Highest 2026 Date Lowest 2026
04-02 14.02m 21-03 0.33m

Second Severn Crossing Predicted Tide Table (Chart Datum)

11-04-202612-04-202613-04-2026
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High00:24
13:10
9.41m
9.14m
High01:56
14:43
9.20m
9.27m
High03:27
16:03
9.70m
10.05m
Low06:36
19:00
3.98m
4.35m
Low07:54
20:40
4.32m
4.52m
Low09:58
22:45
3.97m
3.80m
14-04-202615-04-202616-04-2026
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High04:37
17:06
10.73m
11.19m
High05:32
17:57
11.92m
12.38m
High06:20
18:43
12.98m
13.35m
Low11:20
23:52
3.04m
2.73m
Low12:19
2.03m
Low00:45
13:09
1.71m
1.13m