Tide tables

Tide tables

Information on the tide times and tide tables for Bristol Harbour.

See our tide tables for up to date tide information:

Tide time differences on high water

Bristol (Cumberland Basin) and Avonmouth

High Water Bristol and High Water Avonmouth

Place Difference / hours:minutes
Avonmouth 00.00
Barry -00.22
Beachley +00.12
Berkeley +00.37
Bridgewater -00.22
Bristol +00.10
Cardiff -00.15
Chepstow +00.20
Clevedon -00.15
Flatholm -00.15
Lynmouth -01.05
Minehead -00.40
Newport -00.15
Porlock -00.50
Portishead -00.01
Sea Mills +00.05
Sharpness Docks +00.42
Steepholm -00.20
Watchet -00.42
Weston-Super-Mare -00.25

Simplified tide reduction table

Approximate depths of water on Cumberland Basin outer cill in metres.

Flood: Hours before high water Ebb: Hours after high water
Predicted H.W. Kingsroad Chart Datum 3.5 3 2.5 2 1.5 1 0.5 Predicted H.W. Cumberland Basin cill 0.5 1 1.5 2 2.5 3 3.5
14.2 1.5 3.3 5.0 6.8 8.6 10.0 10.8 11.1 10.7 9.6 8.2 6.7 5.6 4.4 3.3
13.7 1.7 3.3 5.0 6.7 8.3 9.6 10.3 10.6 10.2 9.1 7.9 6.5 5.3 4.2 3.1
13.2 2.0 3.4 5.0 6.5 8.0 9.2 9.9 10.1 9.7 8.7 7.5 6.3 5.1 4.0 3.0
12.7 2.3 3.5 5.0 6.4 7.7 8.7 9.4 9.6 9.3 8.4 7.3 6.1 4.9 3.9 2.9
12.2 2.6 3.7 5.0 6.2 7.4 8.3 8.9 9.1 8.8 8.1 7.0 6.0 4.9 3.9 3.0
11.7 2.9 3.9 5.0 6.1 7.1 7.9 6.4 8.6 8.3 7.7 6.7 5.7 4.8 3.8 3.0
11.2 3.1 4.0 5.0 5.9 6.8 7.5 7.9 8.1 7.8 7.2 6.4 5.5 4.6 3.8 3.0
10.7 3.3 4.1 4.9 5.8 6.5 7.1 7.5 7.6 7.4 6.9 6.1 5.3 4.5 3.7 3.0
10.2 3.4 4.1 4.8 5.5 6.2 6.7 7.0 7.1 6.9 6.5 5.8 5.1 4.4 3.7 3.0
9.7 3.4 4.1 4.7 4.3 5.9 6.3 6.5 6.6 6.5 6.1 5.6 4.9 4.3 3.7 3.1
9.2 3.4 4.0 4.5 5.0 5.5 5.8 6.0 6.1 6.0 5.7 5.3 4.8 4.2 3.6 3.1

 

For greater accuracy refer to Arrowsmith' Bristol Channel Tide Table.

Tidal predictions are computed by the Institute of Oceanographic Sciences, copyright reserved.