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
11-02-2025 21:208.3-0.34
 Next HWNext LW
07:19, 12.44 01:37, 2.02
Date Highest 2025 Date Lowest 2025
01-02 13.75m 01-02 0.58m

Second Severn Crossing Predicted Tide Table (Chart Datum)

11-02-202512-02-202513-02-2025
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High06:31
19:01
11.73m
11.94m
High07:19
19:43
12.44m
12.54m
High07:58
20:19
12.88m
12.85m
Low00:43
13:18
2.67m
2.31m
Low01:37
14:06
2.02m
1.78m
Low02:21
14:45
1.58m
1.51m
14-02-202515-02-202516-02-2025
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High08:32
20:51
13.03m
12.87m
High09:02
21:20
12.94m
12.69m
High09:30
21:46
12.70m
12.36m
Low02:56
15:18
1.39m
1.48m
Low03:27
15:45
1.42m
1.60m
Low03:53
16:09
1.56m
1.80m