St Michael's Mount causeway tide times in December 2026
The cobbled causeway opens roughly 2 hours either side of low tide. At other times only the ferry runs.
31 days with a daylight low tide window
Spring tides: Wed 23 Dec, Thu 24 Dec, Fri 25 Dec, Sat 26 Dec, Sun 27 Dec, Mon 28 Dec
Daily tide times, December 2026
| Day | Low tide | High tide | Daylight window | Range |
|---|---|---|---|---|
| Tue 1 Dec | 03:13, 15:57 | 08:57, 21:35 | 13:57–17:00 | Mid |
| Wed 2 Dec | 04:19, 17:06 | 10:05, 22:46 | 15:06–17:00 | Mid |
| Thu 3 Dec | 05:31, 18:16 | 11:15, 23:55 | 16:16–16:59 | Mid |
| Fri 4 Dec | 06:43, 19:20 | 12:21 | 07:24–08:43 | Mid |
| Sat 5 Dec | 07:46, 20:15 | 00:55, 13:18 | 07:26–09:46 | Mid |
| Sun 6 Dec | 08:40, 21:03 | 01:47, 14:09 | 07:27–10:40 | Mid |
| Mon 7 Dec | 09:27, 21:47 | 02:34, 14:55 | 07:28–11:27 | Mid |
| Tue 8 Dec | 10:10, 22:26 | 03:17, 15:37 | 08:10–12:10 | Mid |
| Wed 9 Dec | 10:48, 23:02 | 03:57, 16:16 | 08:48–12:48 | Mid |
| Thu 10 Dec | 11:24, 23:35 | 04:35, 16:53 | 09:24–13:24 | Mid |
| Fri 11 Dec | 11:57 | 05:12, 17:30 | 09:57–13:57 | Mid |
| Sat 12 Dec | 00:06, 12:29 | 05:49, 18:06 | 10:29–14:29 | Mid |
| Sun 13 Dec | 00:38, 13:02 | 06:26, 18:44 | 11:02–15:02 | Mid |
| Mon 14 Dec | 01:12, 13:39 | 07:05, 19:25 | 11:39–15:39 | Mid |
| Tue 15 Dec | 01:51, 14:21 | 07:47, 20:12 | 12:21–16:21 | Mid |
| Wed 16 Dec | 02:35, 15:08 | 08:36, 21:05 | 13:08–16:58 | Mid |
| Thu 17 Dec | 03:26, 16:03 | 09:31, 22:06 | 14:03–16:58 | Mid |
| Fri 18 Dec | 04:26, 17:06 | 10:32, 23:10 | 15:06–16:59 | Mid |
| Sat 19 Dec | 05:34, 18:15 | 11:36 | 16:15–16:59 | Mid |
| Sun 20 Dec | 06:47, 19:23 | 00:13, 12:39 | 07:39–08:47 | Mid |
| Mon 21 Dec | 07:55, 20:26 | 01:13, 13:37 | 07:39–09:55 | Mid |
| Tue 22 Dec | 08:56, 21:21 | 02:08, 14:31 | 07:40–10:56 | Mid |
| Wed 23 Dec | 09:50, 22:12 | 02:59, 15:22 | 07:50–11:50 | Spring |
| Thu 24 Dec | 10:40, 22:59 | 03:47, 16:10 | 08:40–12:40 | Spring |
| Fri 25 Dec | 11:27, 23:45 | 04:34, 16:56 | 09:27–13:27 | Spring |
| Sat 26 Dec | 12:13 | 05:19, 17:42 | 10:13–14:13 | Spring |
| Sun 27 Dec | 00:29, 12:59 | 06:04, 18:28 | 10:59–14:59 | Spring |
| Mon 28 Dec | 01:14, 13:45 | 06:51, 19:16 | 11:45–15:45 | Spring |
| Tue 29 Dec | 01:59, 14:32 | 07:39, 20:06 | 12:32–16:32 | Mid |
| Wed 30 Dec | 02:47, 15:23 | 08:31, 21:01 | 13:23–17:06 | Mid |
| Thu 31 Dec | 03:40, 16:19 | 09:27, 22:00 | 14:19–17:07 | Mid |
Check a specific date with the tide chart St Michael's Mount causeway tours
Questions
When is low tide at St Michael's Mount causeway in December 2026?
31 of 31 days in December 2026 have a low tide window in daylight at St Michael's Mount causeway. Good days include Sat 5 Dec 07:26–09:46, Sun 6 Dec 07:27–10:40, Mon 7 Dec 07:28–11:27, Tue 8 Dec 08:10–12:10, Wed 9 Dec 08:48–12:48, Thu 10 Dec 09:24–13:24 (local time).
When are the biggest tides at St Michael's Mount causeway in December 2026?
Spring tides, with the largest range, fall on Wed 23 Dec, Thu 24 Dec, Fri 25 Dec, Sat 26 Dec, Sun 27 Dec, Mon 28 Dec.
St Michael's Mount causeway tide times by month
Times are local (Europe/London), predicted from our harmonic tide model. Follow official crossing times and safety notices on site.