Swansea tide calendar, August 2027
High and low tides in local time (Europe/London), heights in m above Lowest Astronomical Tide, calculated by Marinalo over 19 years.
| Day | Tide 1 | Tide 2 | Tide 3 | Tide 4 |
|---|---|---|---|---|
| Sun 1 | High 05:58 8.5 m | Low 12:09 1.7 m | High 18:27 9.0 m | |
| Mon 2 | Low 00:41 1.3 m | High 06:55 9.1 m | Low 13:04 1.2 m | High 19:21 9.6 m |
| Tue 3 | Low 01:34 0.8 m | High 07:45 9.5 m | Low 13:54 0.8 m | High 20:10 10.0 m |
| Wed 4 | Low 02:21 0.5 m | High 08:32 9.7 m | Low 14:39 0.7 m | High 20:55 10.1 m |
| Thu 5 | Low 03:04 0.4 m | High 09:15 9.7 m | Low 15:20 0.7 m | High 21:36 10.0 m |
| Fri 6 | Low 03:43 0.6 m | High 09:55 9.5 m | Low 15:59 0.9 m | High 22:16 9.7 m |
| Sat 7 | Low 04:20 1.0 m | High 10:34 9.1 m | Low 16:36 1.4 m | High 22:55 9.1 m |
| Sun 8 | Low 04:57 1.6 m | High 11:14 8.5 m | Low 17:15 1.9 m | High 23:37 8.4 m |
| Mon 9 | Low 05:39 2.2 m | High 11:59 7.9 m | Low 18:02 2.5 m | |
| Tue 10 | High 00:27 7.7 m | Low 06:34 2.9 m | High 12:56 7.3 m | Low 19:06 3.1 m |
| Wed 11 | High 01:33 7.1 m | Low 07:48 3.3 m | High 14:10 7.0 m | Low 20:31 3.4 m |
| Thu 12 | High 02:56 6.9 m | Low 09:11 3.4 m | High 15:34 7.0 m | Low 21:58 3.4 m |
| Fri 13 | High 04:18 7.0 m | Low 10:25 3.2 m | High 16:47 7.3 m | Low 23:08 3.0 m |
| Sat 14 | High 05:21 7.4 m | Low 11:22 2.8 m | High 17:42 7.8 m | |
| Sun 15 | Low 00:00 2.5 m | High 06:08 7.9 m | Low 12:08 2.3 m | High 18:26 8.2 m |
| Mon 16 | Low 00:40 2.1 m | High 06:47 8.2 m | Low 12:46 2.0 m | High 19:03 8.5 m |
| Tue 17 | Low 01:14 1.8 m | High 07:21 8.5 m | Low 13:19 1.7 m | High 19:36 8.8 m |
| Wed 18 | Low 01:44 1.6 m | High 07:53 8.7 m | Low 13:50 1.5 m | High 20:06 8.9 m |
| Thu 19 | Low 02:11 1.4 m | High 08:22 8.8 m | Low 14:18 1.4 m | High 20:35 9.0 m |
| Fri 20 | Low 02:37 1.4 m | High 08:50 8.8 m | Low 14:45 1.4 m | High 21:02 9.0 m |
| Sat 21 | Low 03:02 1.4 m | High 09:18 8.7 m | Low 15:13 1.5 m | High 21:30 8.9 m |
| Sun 22 | Low 03:28 1.5 m | High 09:46 8.6 m | Low 15:42 1.6 m | High 22:00 8.7 m |
| Mon 23 | Low 03:58 1.8 m | High 10:18 8.3 m | Low 16:15 1.9 m | High 22:33 8.4 m |
| Tue 24 | Low 04:31 2.1 m | High 10:55 8.0 m | Low 16:55 2.3 m | High 23:14 7.9 m |
| Wed 25 | Low 05:15 2.6 m | High 11:44 7.5 m | Low 17:47 2.8 m | |
| Thu 26 | High 00:12 7.4 m | Low 06:19 3.1 m | High 12:58 7.1 m | Low 19:10 3.2 m |
| Fri 27 | High 01:41 7.0 m | Low 08:05 3.4 m | High 14:37 7.1 m | Low 20:58 3.2 m |
| Sat 28 | High 03:24 7.1 m | Low 09:47 3.1 m | High 16:08 7.6 m | Low 22:27 2.6 m |
| Sun 29 | High 04:46 7.8 m | Low 11:02 2.3 m | High 17:18 8.4 m | Low 23:35 1.8 m |
| Mon 30 | High 05:49 8.5 m | Low 12:00 1.6 m | High 18:14 9.2 m | |
| Tue 31 | Low 00:29 1.0 m | High 06:40 9.2 m | Low 12:49 1.0 m | High 19:03 9.8 m |
Calculated by Marinalo from the Mumbles tide station: TICON-4: Hart-Davis et al., DGFI-TUM, CC BY 4.0, doi:10.17882/109129. Not for navigation. How we calculate tides.