Swansea tide calendar, April 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 |
|---|---|---|---|---|
| Thu 1 | High 02:20 6.6 m | Low 08:59 3.7 m | High 15:18 6.6 m | Low 21:27 3.5 m |
| Fri 2 | High 03:49 6.9 m | Low 10:14 3.2 m | High 16:28 7.1 m | Low 22:32 3.0 m |
| Sat 3 | High 04:50 7.5 m | Low 11:06 2.6 m | High 17:18 7.7 m | Low 23:19 2.4 m |
| Sun 4 | High 05:35 8.1 m | Low 11:46 2.0 m | High 17:57 8.3 m | Low 23:58 1.8 m |
| Mon 5 | High 06:12 8.6 m | Low 12:21 1.5 m | High 18:33 8.8 m | |
| Tue 6 | Low 00:34 1.3 m | High 06:48 9.1 m | Low 12:55 1.1 m | High 19:08 9.1 m |
| Wed 7 | Low 01:08 1.0 m | High 07:22 9.4 m | Low 13:27 0.9 m | High 19:42 9.4 m |
| Thu 8 | Low 01:42 0.8 m | High 07:56 9.5 m | Low 14:00 0.8 m | High 20:16 9.5 m |
| Fri 9 | Low 02:15 0.8 m | High 08:31 9.5 m | Low 14:32 0.9 m | High 20:51 9.4 m |
| Sat 10 | Low 02:49 0.9 m | High 09:06 9.3 m | Low 15:06 1.1 m | High 21:27 9.1 m |
| Sun 11 | Low 03:25 1.2 m | High 09:44 8.9 m | Low 15:42 1.5 m | High 22:06 8.7 m |
| Mon 12 | Low 04:05 1.6 m | High 10:27 8.4 m | Low 16:24 2.1 m | High 22:53 8.2 m |
| Tue 13 | Low 04:54 2.2 m | High 11:22 7.7 m | Low 17:20 2.7 m | High 23:56 7.6 m |
| Wed 14 | Low 06:06 2.8 m | High 12:39 7.2 m | Low 18:51 3.2 m | |
| Thu 15 | High 01:25 7.3 m | Low 07:54 3.0 m | High 14:15 7.1 m | Low 20:38 3.1 m |
| Fri 16 | High 02:57 7.5 m | Low 09:25 2.6 m | High 15:39 7.6 m | Low 21:58 2.5 m |
| Sat 17 | High 04:12 8.1 m | Low 10:31 1.9 m | High 16:44 8.2 m | Low 22:57 1.8 m |
| Sun 18 | High 05:10 8.8 m | Low 11:23 1.3 m | High 17:35 8.8 m | Low 23:46 1.3 m |
| Mon 19 | High 05:58 9.3 m | Low 12:08 0.9 m | High 18:20 9.3 m | |
| Tue 20 | Low 00:29 0.9 m | High 06:41 9.6 m | Low 12:47 0.7 m | High 19:01 9.5 m |
| Wed 21 | Low 01:08 0.8 m | High 07:21 9.6 m | Low 13:24 0.8 m | High 19:39 9.4 m |
| Thu 22 | Low 01:43 0.9 m | High 07:58 9.5 m | Low 13:58 1.0 m | High 20:14 9.3 m |
| Fri 23 | Low 02:16 1.1 m | High 08:33 9.2 m | Low 14:29 1.2 m | High 20:47 9.0 m |
| Sat 24 | Low 02:46 1.4 m | High 09:05 8.8 m | Low 14:59 1.6 m | High 21:19 8.7 m |
| Sun 25 | Low 03:17 1.7 m | High 09:37 8.4 m | Low 15:30 1.9 m | High 21:51 8.3 m |
| Mon 26 | Low 03:49 2.1 m | High 10:11 7.9 m | Low 16:05 2.3 m | High 22:25 7.9 m |
| Tue 27 | Low 04:26 2.5 m | High 10:51 7.4 m | Low 16:46 2.8 m | High 23:07 7.5 m |
| Wed 28 | Low 05:13 3.0 m | High 11:42 7.0 m | Low 17:41 3.2 m | |
| Thu 29 | High 00:04 7.0 m | Low 06:23 3.4 m | High 12:54 6.6 m | Low 19:01 3.5 m |
| Fri 30 | High 01:22 6.8 m | Low 07:59 3.5 m | High 14:18 6.6 m | Low 20:27 3.4 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.