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
12-12-2024 06:506.82-0.32
 Next HWNext LW
16:29, 12.20 10:30, 2.59
Date Highest 2024 Date Lowest 2024
20-09 17.75m 20-09 -0.09m

Second Severn Crossing Predicted Tide Table (Chart Datum)

12-12-202413-12-202414-12-2024
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High03:59
16:29
11.62m
12.21m
High04:59
17:28
12.25m
12.66m
High05:55
18:24
12.72m
12.88m
Low10:30
23:06
2.59m
2.15m
Low11:38
2.12m
Low00:07
12:36
1.82m
1.82m
15-12-202416-12-202417-12-2024
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High06:47
19:14
12.93m
12.87m
High07:36
20:04
12.92m
12.70m
High08:23
20:49
12.74m
12.41m
Low01:02
13:31
1.65m
1.69m
Low01:54
14:25
1.63m
1.73m
Low02:44
15:10
1.74m
1.89m