St Michael's Mount causeway tide times in May 2027
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: Tue 4 May, Wed 5 May, Thu 6 May, Fri 7 May, Sat 8 May, Sun 9 May, Mon 10 May, Tue 18 May and more
Daily tide times, May 2027
| Day | Low tide | High tide | Daylight window | Range |
|---|---|---|---|---|
| Sat 1 May | 07:39, 19:59 | 00:55, 13:32 | 05:39–09:39 | Neap |
| Sun 2 May | 08:35, 20:52 | 01:53, 14:23 | 06:35–10:35 | Mid |
| Mon 3 May | 09:20, 21:37 | 02:40, 15:07 | 07:20–11:20 | Mid |
| Tue 4 May | 10:00, 22:19 | 03:22, 15:46 | 08:00–12:00 | Spring |
| Wed 5 May | 10:40, 22:59 | 04:01, 16:23 | 08:40–12:40 | Spring |
| Thu 6 May | 11:19, 23:39 | 04:39, 17:00 | 09:19–13:19 | Spring |
| Fri 7 May | 11:58 | 05:17, 17:38 | 09:58–13:58 | Spring |
| Sat 8 May | 00:20, 12:39 | 05:57, 18:17 | 10:39–14:39 | Spring |
| Sun 9 May | 01:03, 13:22 | 06:38, 18:59 | 11:22–15:22 | Spring |
| Mon 10 May | 01:49, 14:08 | 07:22, 19:46 | 12:08–16:08 | Spring |
| Tue 11 May | 02:39, 14:58 | 08:12, 20:39 | 12:58–16:58 | Mid |
| Wed 12 May | 03:36, 15:57 | 09:10, 21:41 | 05:03–05:36 | Mid |
| Thu 13 May | 04:42, 17:07 | 10:20, 22:55 | 05:02–06:42 | Mid |
| Fri 14 May | 05:59, 18:27 | 11:40 | 05:00–07:59 | Mid |
| Sat 15 May | 07:15, 19:42 | 00:13, 12:58 | 05:15–09:15 | Mid |
| Sun 16 May | 08:21, 20:46 | 01:25, 14:02 | 06:21–10:21 | Mid |
| Mon 17 May | 09:17, 21:40 | 02:24, 14:54 | 07:17–11:17 | Mid |
| Tue 18 May | 10:06, 22:28 | 03:15, 15:40 | 08:06–12:06 | Spring |
| Wed 19 May | 10:50, 23:11 | 04:00, 16:22 | 08:50–12:50 | Spring |
| Thu 20 May | 11:31, 23:52 | 04:41, 17:01 | 09:31–13:31 | Spring |
| Fri 21 May | 12:09 | 05:21, 17:39 | 10:09–14:09 | Spring |
| Sat 22 May | 00:30, 12:44 | 05:59, 18:17 | 10:44–14:44 | Spring |
| Sun 23 May | 01:06, 13:18 | 06:36, 18:55 | 11:18–15:18 | Mid |
| Mon 24 May | 01:40, 13:50 | 07:14, 19:34 | 11:50–15:50 | Mid |
| Tue 25 May | 02:15, 14:24 | 07:54, 20:15 | 12:24–16:24 | Mid |
| Wed 26 May | 02:51, 15:02 | 08:37, 21:01 | 13:02–17:02 | Mid |
| Thu 27 May | 03:33, 15:46 | 09:26, 21:53 | 04:41–05:33 | Mid |
| Fri 28 May | 04:22, 16:39 | 10:25, 22:53 | 04:40–06:22 | Neap |
| Sat 29 May | 05:20, 17:42 | 11:29, 23:56 | 04:39–07:20 | Neap |
| Sun 30 May | 06:25, 18:51 | 12:34 | 04:38–08:25 | Mid |
| Mon 31 May | 07:31, 19:58 | 00:57, 13:32 | 05:31–09:31 | 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 May 2027?
31 of 31 days in May 2027 have a low tide window in daylight at St Michael's Mount causeway. Good days include Mon 3 May 07:20–11:20, Tue 4 May 08:00–12:00, Wed 5 May 08:40–12:40, Thu 6 May 09:19–13:19, Fri 7 May 09:58–13:58, Sat 8 May 10:39–14:39 (local time).
When are the biggest tides at St Michael's Mount causeway in May 2027?
Spring tides, with the largest range, fall on Tue 4 May, Wed 5 May, Thu 6 May, Fri 7 May, Sat 8 May, Sun 9 May, Mon 10 May, Tue 18 May and more.
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.