Swansea tide calendar, January 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 |
|---|---|---|---|---|
| Fri 1 | High 00:19 7.5 m | Low 06:29 2.8 m | High 12:50 7.6 m | Low 19:09 2.9 m |
| Sat 2 | High 01:22 7.3 m | Low 07:37 3.0 m | High 13:59 7.4 m | Low 20:14 2.9 m |
| Sun 3 | High 02:30 7.3 m | Low 08:45 3.0 m | High 15:07 7.4 m | Low 21:15 2.8 m |
| Mon 4 | High 03:35 7.5 m | Low 09:49 2.8 m | High 16:06 7.6 m | Low 22:10 2.6 m |
| Tue 5 | High 04:31 7.8 m | Low 10:44 2.6 m | High 16:57 7.9 m | Low 22:58 2.4 m |
| Wed 6 | High 05:19 8.0 m | Low 11:31 2.3 m | High 17:41 8.1 m | Low 23:40 2.2 m |
| Thu 7 | High 06:00 8.3 m | Low 12:10 2.1 m | High 18:19 8.2 m | |
| Fri 8 | Low 00:18 2.1 m | High 06:37 8.5 m | Low 12:45 2.0 m | High 18:55 8.3 m |
| Sat 9 | Low 00:52 1.9 m | High 07:11 8.6 m | Low 13:16 1.9 m | High 19:28 8.4 m |
| Sun 10 | Low 01:24 1.8 m | High 07:42 8.7 m | Low 13:44 1.8 m | High 19:58 8.4 m |
| Mon 11 | Low 01:53 1.8 m | High 08:11 8.7 m | Low 14:12 1.8 m | High 20:28 8.4 m |
| Tue 12 | Low 02:23 1.8 m | High 08:40 8.6 m | Low 14:40 1.9 m | High 20:58 8.3 m |
| Wed 13 | Low 02:53 1.9 m | High 09:11 8.5 m | Low 15:11 2.0 m | High 21:31 8.1 m |
| Thu 14 | Low 03:27 2.0 m | High 09:45 8.3 m | Low 15:46 2.2 m | High 22:08 7.9 m |
| Fri 15 | Low 04:07 2.3 m | High 10:26 8.1 m | Low 16:30 2.5 m | High 22:55 7.6 m |
| Sat 16 | Low 04:56 2.6 m | High 11:18 7.7 m | Low 17:29 2.8 m | High 23:57 7.4 m |
| Sun 17 | Low 06:03 2.9 m | High 12:28 7.4 m | Low 18:48 3.0 m | |
| Mon 18 | High 01:14 7.3 m | Low 07:26 3.0 m | High 13:52 7.4 m | Low 20:14 3.0 m |
| Tue 19 | High 02:37 7.5 m | Low 08:50 2.8 m | High 15:15 7.7 m | Low 21:31 2.6 m |
| Wed 20 | High 03:53 7.9 m | Low 10:06 2.3 m | High 16:27 8.2 m | Low 22:40 2.1 m |
| Thu 21 | High 05:00 8.6 m | Low 11:14 1.7 m | High 17:29 8.7 m | Low 23:41 1.6 m |
| Fri 22 | High 05:58 9.2 m | Low 12:12 1.2 m | High 18:24 9.2 m | |
| Sat 23 | Low 00:35 1.2 m | High 06:50 9.6 m | Low 13:03 0.8 m | High 19:13 9.5 m |
| Sun 24 | Low 01:23 0.9 m | High 07:37 9.9 m | Low 13:48 0.6 m | High 19:58 9.6 m |
| Mon 25 | Low 02:06 0.8 m | High 08:20 10.0 m | Low 14:29 0.7 m | High 20:40 9.5 m |
| Tue 26 | Low 02:45 0.9 m | High 09:00 9.8 m | Low 15:06 0.9 m | High 21:18 9.2 m |
| Wed 27 | Low 03:20 1.2 m | High 09:38 9.3 m | Low 15:41 1.4 m | High 21:55 8.7 m |
| Thu 28 | Low 03:56 1.7 m | High 10:16 8.8 m | Low 16:18 1.9 m | High 22:34 8.2 m |
| Fri 29 | Low 04:34 2.2 m | High 10:57 8.1 m | Low 17:01 2.5 m | High 23:19 7.6 m |
| Sat 30 | Low 05:23 2.8 m | High 11:49 7.4 m | Low 17:59 3.1 m | |
| Sun 31 | High 00:18 7.1 m | Low 06:30 3.3 m | High 12:59 7.0 m | Low 19:15 3.5 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.