St Michael's Mount causeway tide times in August 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: Sun 1 Aug, Mon 2 Aug, Tue 3 Aug, Wed 4 Aug, Thu 5 Aug, Fri 6 Aug, Sat 7 Aug, Tue 17 Aug and more

Daily tide times, August 2027

Day	Low tide	High tide	Daylight window	Range
Sun 1 Aug	10:39, 23:08	03:52, 16:18	08:39–12:39	Spring
Mon 2 Aug	11:26, 23:54	04:43, 17:05	09:26–13:26	Spring
Tue 3 Aug	12:10	05:28, 17:48	10:10–14:10	Spring
Wed 4 Aug	00:37, 12:52	06:10, 18:29	10:52–14:52	Spring
Thu 5 Aug	01:18, 13:32	06:50, 19:09	11:32–15:32	Spring
Fri 6 Aug	01:58, 14:12	07:30, 19:50	12:12–16:12	Spring
Sat 7 Aug	02:38, 14:53	08:12, 20:33	12:53–16:53	Spring
Sun 8 Aug	03:19, 15:36	08:56, 21:20	13:36–17:36	Mid
Mon 9 Aug	04:04, 16:25	09:45, 22:13	05:26–06:04	Mid
Tue 10 Aug	04:57, 17:29	10:43, 23:17	05:28–06:57	Mid
Wed 11 Aug	06:10, 19:01	11:53	05:30–08:10	Neap
Thu 12 Aug	07:45, 20:31	00:33, 13:12	05:45–09:45	Neap
Fri 13 Aug	09:01, 21:35	01:53, 14:28	07:01–11:01	Neap
Sat 14 Aug	09:55, 22:23	03:01, 15:27	07:55–11:55	Mid
Sun 15 Aug	10:38, 23:02	03:53, 16:13	08:38–12:38	Mid
Mon 16 Aug	11:13, 23:35	04:34, 16:51	09:13–13:13	Mid
Tue 17 Aug	11:44	05:09, 17:24	09:44–13:44	Spring
Wed 18 Aug	00:04, 12:12	05:40, 17:55	10:12–14:12	Spring
Thu 19 Aug	00:32, 12:40	06:11, 18:25	10:40–14:40	Spring
Fri 20 Aug	00:59, 13:09	06:41, 18:56	11:09–15:09	Spring
Sat 21 Aug	01:29, 13:41	07:13, 19:29	11:41–15:41	Spring
Sun 22 Aug	02:01, 14:16	07:47, 20:05	12:16–16:16	Spring
Mon 23 Aug	02:37, 14:55	08:25, 20:46	12:55–16:55	Mid
Tue 24 Aug	03:19, 15:42	09:10, 21:35	13:42–17:42	Mid
Wed 25 Aug	04:10, 16:42	10:05, 22:38	14:42–18:42	Mid
Thu 26 Aug	05:17, 18:02	11:16, 23:57	05:54–07:17	Neap
Fri 27 Aug	06:47, 19:42	23:57, 12:42	05:56–08:47	Neap
Sat 28 Aug	08:21, 21:04	01:25, 14:06	06:21–10:21	Mid
Sun 29 Aug	09:31, 22:04	02:43, 15:13	07:31–11:31	Mid
Mon 30 Aug	10:24, 22:53	03:43, 16:06	08:24–12:24	Spring
Tue 31 Aug	11:10, 23:37	04:31, 16:50	09:10–13:10	Spring

Day

Low tide

High tide

Daylight window

Range

Sun 1 Aug

10:39, 23:08

03:52, 16:18

08:39–12:39

Spring

Mon 2 Aug

11:26, 23:54

04:43, 17:05

09:26–13:26

Spring

Tue 3 Aug

12:10

05:28, 17:48

10:10–14:10

Spring

Wed 4 Aug

00:37, 12:52

06:10, 18:29

10:52–14:52

Spring

Thu 5 Aug

01:18, 13:32

06:50, 19:09

11:32–15:32

Spring

Fri 6 Aug

01:58, 14:12

07:30, 19:50

12:12–16:12

Spring

Sat 7 Aug

02:38, 14:53

08:12, 20:33

12:53–16:53

Spring

Sun 8 Aug

03:19, 15:36

08:56, 21:20

13:36–17:36

Mid

Mon 9 Aug

04:04, 16:25

09:45, 22:13

05:26–06:04

Mid

Tue 10 Aug

04:57, 17:29

10:43, 23:17

05:28–06:57

Mid

Wed 11 Aug

06:10, 19:01

11:53

05:30–08:10

Neap

Thu 12 Aug

07:45, 20:31

00:33, 13:12

05:45–09:45

Neap

Fri 13 Aug

09:01, 21:35

01:53, 14:28

07:01–11:01

Neap

Sat 14 Aug

09:55, 22:23

03:01, 15:27

07:55–11:55

Mid

Sun 15 Aug

10:38, 23:02

03:53, 16:13

08:38–12:38

Mid

Mon 16 Aug

11:13, 23:35

04:34, 16:51

09:13–13:13

Mid

Tue 17 Aug

11:44

05:09, 17:24

09:44–13:44

Spring

Wed 18 Aug

00:04, 12:12

05:40, 17:55

10:12–14:12

Spring

Thu 19 Aug

00:32, 12:40

06:11, 18:25

10:40–14:40

Spring

Fri 20 Aug

00:59, 13:09

06:41, 18:56

11:09–15:09

Spring

Sat 21 Aug

01:29, 13:41

07:13, 19:29

11:41–15:41

Spring

Sun 22 Aug

02:01, 14:16

07:47, 20:05

12:16–16:16

Spring

Mon 23 Aug

02:37, 14:55

08:25, 20:46

12:55–16:55

Mid

Tue 24 Aug

03:19, 15:42

09:10, 21:35

13:42–17:42

Mid

Wed 25 Aug

04:10, 16:42

10:05, 22:38

14:42–18:42

Mid

Thu 26 Aug

05:17, 18:02

11:16, 23:57

05:54–07:17

Neap

Fri 27 Aug

06:47, 19:42

23:57, 12:42

05:56–08:47

Neap

Sat 28 Aug

08:21, 21:04

01:25, 14:06

06:21–10:21

Mid

Sun 29 Aug

09:31, 22:04

02:43, 15:13

07:31–11:31

Mid

Mon 30 Aug

10:24, 22:53

03:43, 16:06

08:24–12:24

Spring

Tue 31 Aug

11:10, 23:37

04:31, 16:50

09:10–13:10

Spring

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 August 2027?

31 of 31 days in August 2027 have a low tide window in daylight at St Michael's Mount causeway. Good days include Sun 1 Aug 08:39–12:39, Mon 2 Aug 09:26–13:26, Tue 3 Aug 10:10–14:10, Wed 4 Aug 10:52–14:52, Thu 5 Aug 11:32–15:32, Fri 6 Aug 12:12–16:12 (local time).

When are the biggest tides at St Michael's Mount causeway in August 2027?

Spring tides, with the largest range, fall on Sun 1 Aug, Mon 2 Aug, Tue 3 Aug, Wed 4 Aug, Thu 5 Aug, Fri 6 Aug, Sat 7 Aug, Tue 17 Aug 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.