Swansea tide calendar, September 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 | Moon |
|---|---|---|---|---|---|---|
| Wed 1 | Low 01:16 0.5 m | High 07:26 9.7 m | Low 13:34 0.6 m | High 19:48 10.1 m | 06:27 – 20:02 | Waxing crescent |
| Thu 2 | Low 01:58 0.3 m | High 08:09 9.9 m | Low 14:14 0.4 m | High 20:30 10.2 m | 06:29 – 20:00 | Waxing crescent |
| Fri 3 | Low 02:37 0.3 m | High 08:48 9.8 m | Low 14:52 0.6 m | High 21:09 9.9 m | 06:31 – 19:58 | Waxing crescent |
| Sat 4 | Low 03:12 0.6 m | High 09:25 9.5 m | Low 15:26 0.9 m | High 21:46 9.5 m | 06:32 – 19:56 | Waxing crescent |
| Sun 5 | Low 03:45 1.1 m | High 10:00 9.0 m | Low 15:59 1.4 m | High 22:22 8.9 m | 06:34 – 19:53 | Waxing crescent |
| Mon 6 | Low 04:17 1.7 m | High 10:36 8.4 m | Low 16:34 2.0 m | High 22:59 8.1 m | 06:35 – 19:51 | Waxing crescent |
| Tue 7 | Low 04:53 2.4 m | High 11:15 7.7 m | Low 17:15 2.7 m | High 23:44 7.4 m | 06:37 – 19:49 | First quarter |
| Wed 8 | Low 05:40 3.1 m | High 12:07 7.1 m | Low 18:16 3.4 m | 06:39 – 19:47 | Waxing gibbous | |
| Thu 9 | High 00:48 6.7 m | Low 06:57 3.6 m | High 13:27 6.6 m | Low 19:57 3.8 m | 06:40 – 19:44 | Waxing gibbous |
| Fri 10 | High 02:22 6.4 m | Low 08:40 3.8 m | High 15:05 6.6 m | Low 21:37 3.6 m | 06:42 – 19:42 | Waxing gibbous |
| Sat 11 | High 03:54 6.7 m | Low 10:02 3.4 m | High 16:23 7.1 m | Low 22:46 3.1 m | 06:43 – 19:40 | Waxing gibbous |
| Sun 12 | High 04:58 7.2 m | Low 11:00 2.9 m | High 17:17 7.6 m | Low 23:34 2.5 m | 06:45 – 19:37 | Waxing gibbous |
| Mon 13 | High 05:43 7.7 m | Low 11:43 2.4 m | High 17:58 8.1 m | 06:47 – 19:35 | Waxing gibbous | |
| Tue 14 | Low 00:12 2.0 m | High 06:20 8.2 m | Low 12:19 1.9 m | High 18:33 8.5 m | 06:48 – 19:33 | Waxing gibbous |
| Wed 15 | Low 00:44 1.7 m | High 06:53 8.5 m | Low 12:51 1.6 m | High 19:05 8.8 m | 06:50 – 19:31 | Waxing gibbous |
| Thu 16 | Low 01:13 1.4 m | High 07:23 8.8 m | Low 13:21 1.3 m | High 19:36 9.0 m | 06:51 – 19:28 | Full moon |
| Fri 17 | Low 01:41 1.3 m | High 07:53 8.9 m | Low 13:50 1.2 m | High 20:05 9.1 m | 06:53 – 19:26 | Waning gibbous |
| Sat 18 | Low 02:08 1.2 m | High 08:22 9.0 m | Low 14:18 1.2 m | High 20:34 9.1 m | 06:55 – 19:24 | Waning gibbous |
| Sun 19 | Low 02:34 1.3 m | High 08:51 8.9 m | Low 14:47 1.3 m | High 21:04 8.9 m | 06:56 – 19:21 | Waning gibbous |
| Mon 20 | Low 03:02 1.4 m | High 09:21 8.7 m | Low 15:17 1.5 m | High 21:35 8.7 m | 06:58 – 19:19 | Waning gibbous |
| Tue 21 | Low 03:32 1.7 m | High 09:53 8.4 m | Low 15:51 1.8 m | High 22:10 8.3 m | 06:59 – 19:17 | Waning gibbous |
| Wed 22 | Low 04:06 2.1 m | High 10:32 8.0 m | Low 16:31 2.3 m | High 22:54 7.7 m | 07:01 – 19:14 | Waning gibbous |
| Thu 23 | Low 04:50 2.7 m | High 11:23 7.5 m | Low 17:26 2.9 m | High 23:56 7.1 m | 07:03 – 19:12 | Last quarter |
| Fri 24 | Low 05:58 3.3 m | High 12:44 7.0 m | Low 19:01 3.3 m | 07:04 – 19:10 | Waning crescent | |
| Sat 25 | High 01:35 6.8 m | Low 08:01 3.5 m | High 14:31 7.0 m | Low 20:59 3.1 m | 07:06 – 19:07 | Waning crescent |
| Sun 26 | High 03:18 7.1 m | Low 09:43 3.0 m | High 15:58 7.7 m | Low 22:20 2.4 m | 07:07 – 19:05 | Waning crescent |
| Mon 27 | High 04:34 7.8 m | Low 10:50 2.2 m | High 17:02 8.5 m | Low 23:19 1.5 m | 07:09 – 19:03 | Waning crescent |
| Tue 28 | High 05:31 8.6 m | Low 11:42 1.4 m | High 17:54 9.3 m | 07:11 – 19:01 | Waning crescent | |
| Wed 29 | Low 00:07 0.9 m | High 06:19 9.3 m | Low 12:27 0.8 m | High 18:40 9.8 m | 07:12 – 18:58 | Waning crescent |
| Thu 30 | Low 00:50 0.5 m | High 07:02 9.6 m | Low 13:09 0.5 m | High 19:23 10.0 m | 07:14 – 18:56 | New moon |
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.