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
17-02-2026 21:1010.58-0.23
 Next HWNext LW
07:58, 13.25 02:26, 1.29
Date Highest 2026 Date Lowest 2026
04-02 14.02m 03-02 0.75m

Second Severn Crossing Predicted Tide Table (Chart Datum)

17-02-202618-02-202619-02-2026
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High07:21
19:41
12.71m
12.84m
High07:58
20:17
13.25m
13.25m
High08:33
20:52
13.48m
13.37m
Low01:43
14:07
1.84m
1.45m
Low02:26
14:47
1.29m
1.03m
Low03:04
15:25
1.00m
0.85m
20-02-202621-02-202622-02-2026
 Time (GMT)Height Time (GMT)Height Time (GMT)Height
High09:08
21:26
13.46m
13.24m
High09:43
22:01
13.24m
12.94m
High10:20
22:37
12.86m
12.51m
Low03:39
15:59
0.95m
0.89m
Low04:11
16:31
1.08m
1.07m
Low04:42
17:02
1.32m
1.36m