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.

Second Severn Crossing

Tide Levels and Harmonics

 


Latest Tide Data (Predicted Tide Table)

Time (GMT)ElevationResidual
08-03-2026 13:405.720.12
 Next HWNext LW
22:13, 12.06 16:28, 1.81
Date Highest 2026 Date Lowest 2026
04-02 14.02m 06-03 0.49m

Second Severn Crossing Predicted Tide Table (Chart Datum)

08-03-202609-03-202610-03-2026
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High09:58
22:13
12.48m
12.06m
High10:26
22:40
11.83m
11.39m
High10:56
23:12
11.10m
10.66m
Low04:16
16:28
1.48m
1.81m
Low04:37
16:49
1.85m
2.17m
Low05:01
17:15
2.29m
2.62m
11-03-202612-03-202613-03-2026
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High11:33
23:54
10.30m
9.88m
High12:25
9.49m
High01:00
13:47
9.18m
8.91m
Low05:32
17:47
2.86m
3.24m
Low06:11
18:31
3.58m
3.98m
Low07:07
19:37
4.30m
4.65m