Tide tables

Tide tables

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

See our Cumberland Basin tide table (pdf, 2MB) (opens new window) for up to date tide information.

Tide time differences on high water

Bristol (Cumberland Basin) & 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.