uk tide times and heights Tide Times & Heights for Leith on 16th December 2018 01:53 - Low Tide ( 2.06m ) 08:50 - High Tide ( 4.43m ) 14:37 - Low Tide ( 2.45m ) 21:06 - High Tide ( 4.50m ) Tide Times & Heights for Portsmouth on 16th December 2018 05:18 - High Tide ( 3.99m ) 10:50 - Low Tide ( 2.12m ) 17:35 - High Tide ( 3.77m ) 23:18 - Low Tide ( 1.95m )