Swansea tide calendar, March 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 |
|---|---|---|---|---|
| Mon 1 | Low 05:25 3.4 m | High 11:58 6.8 m | Low 18:09 3.7 m | |
| Tue 2 | High 00:34 6.6 m | Low 07:03 3.8 m | High 13:34 6.5 m | Low 19:49 3.8 m |
| Wed 3 | High 02:15 6.6 m | Low 08:46 3.7 m | High 15:07 6.7 m | Low 21:14 3.5 m |
| Thu 4 | High 03:37 7.1 m | Low 09:59 3.1 m | High 16:12 7.2 m | Low 22:14 2.9 m |
| Fri 5 | High 04:33 7.6 m | Low 10:48 2.5 m | High 16:58 7.8 m | Low 22:58 2.3 m |
| Sat 6 | High 05:14 8.2 m | Low 11:26 2.0 m | High 17:35 8.3 m | Low 23:35 1.8 m |
| Sun 7 | High 05:50 8.7 m | Low 12:00 1.6 m | High 18:09 8.7 m | |
| Mon 8 | Low 00:09 1.4 m | High 06:23 9.1 m | Low 12:30 1.2 m | High 18:41 9.0 m |
| Tue 9 | Low 00:40 1.1 m | High 06:54 9.3 m | Low 12:59 1.0 m | High 19:11 9.2 m |
| Wed 10 | Low 01:09 1.0 m | High 07:24 9.5 m | Low 13:26 0.9 m | High 19:41 9.3 m |
| Thu 11 | Low 01:39 0.9 m | High 07:54 9.5 m | Low 13:54 1.0 m | High 20:11 9.3 m |
| Fri 12 | Low 02:08 1.0 m | High 08:25 9.3 m | Low 14:23 1.1 m | High 20:42 9.1 m |
| Sat 13 | Low 02:40 1.2 m | High 08:58 9.0 m | Low 14:55 1.5 m | High 21:17 8.7 m |
| Sun 14 | Low 03:15 1.6 m | High 09:35 8.5 m | Low 15:33 2.0 m | High 21:58 8.2 m |
| Mon 15 | Low 03:58 2.2 m | High 10:23 7.9 m | Low 16:21 2.6 m | High 22:55 7.6 m |
| Tue 16 | Low 05:00 2.8 m | High 11:33 7.2 m | Low 17:41 3.3 m | |
| Wed 17 | High 00:24 7.1 m | Low 06:45 3.3 m | High 13:18 6.9 m | Low 19:45 3.4 m |
| Thu 18 | High 02:10 7.2 m | Low 08:38 2.9 m | High 14:58 7.4 m | Low 21:19 2.8 m |
| Fri 19 | High 03:34 7.9 m | Low 09:56 2.1 m | High 16:09 8.1 m | Low 22:24 2.0 m |
| Sat 20 | High 04:36 8.8 m | Low 10:52 1.3 m | High 17:03 8.9 m | Low 23:14 1.2 m |
| Sun 21 | High 05:25 9.5 m | Low 11:38 0.7 m | High 17:49 9.5 m | Low 23:58 0.7 m |
| Mon 22 | High 06:09 9.9 m | Low 12:19 0.4 m | High 18:30 9.8 m | |
| Tue 23 | Low 00:37 0.5 m | High 06:49 10.1 m | Low 12:55 0.4 m | High 19:07 9.8 m |
| Wed 24 | Low 01:12 0.5 m | High 07:26 10.0 m | Low 13:28 0.6 m | High 19:42 9.6 m |
| Thu 25 | Low 01:43 0.7 m | High 08:00 9.6 m | Low 13:58 0.9 m | High 20:14 9.3 m |
| Fri 26 | Low 02:13 1.1 m | High 08:32 9.2 m | Low 14:27 1.3 m | High 20:44 8.9 m |
| Sat 27 | Low 02:41 1.5 m | High 09:03 8.6 m | Low 14:56 1.8 m | High 21:15 8.4 m |
| Sun 28 | Low 04:12 2.0 m | High 10:35 8.0 m | Low 16:29 2.4 m | High 22:49 7.8 m |
| Mon 29 | Low 04:49 2.6 m | High 11:15 7.4 m | Low 17:11 3.0 m | High 23:33 7.3 m |
| Tue 30 | Low 05:40 3.3 m | High 12:12 6.8 m | Low 18:14 3.5 m | |
| Wed 31 | High 00:41 6.7 m | Low 07:09 3.7 m | High 13:42 6.4 m | Low 19:56 3.8 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.