Access to St Marys Island - Tide Times

Access to the Island is restricted due to the tide as the causeway is covered by the sea for aproximately 4 Hours at each high tide. (Aproximately 2 hours either side if the high tide time.)

The exact amount of time depends on the height of the tides and weather conditions.

A notice is posted beside the causeway which gives more exact times when the causeway will be covered

St. Mary\’s Lighthouse and Visitor Centre have a facebook page which gives the crossing times on their timeline. - For Link Click Here

Details are given below of the high and low tide times and are to be used as a guide only. Details posted locally should be checked. The table also give the height of each of the tides.

2019-07-01	High Tide	2:55 AM BST	4.58 m	Low Tide	9:16 AM BST	1.21 m
	High Tide	3:11 PM BST	4.70 m	Low Tide	9:34 PM BST	1.03 m
2019-07-02	High Tide	3:38 AM BST	4.78 m	Low Tide	10:01 AM BST	0.94 m
	High Tide	3:59 PM BST	4.88 m	Low Tide	10:19 PM BST	0.92 m
2019-07-03	High Tide	4:21 AM BST	4.96 m	Low Tide	10:47 AM BST	0.72 m
	High Tide	4:47 PM BST	5.01 m	Low Tide	11:04 PM BST	0.86 m
2019-07-04	High Tide	5:05 AM BST	5.08 m	Low Tide	11:34 AM BST	0.56 m
	High Tide	5:36 PM BST	5.08 m	Low Tide	11:50 PM BST	0.87 m
2019-07-05	High Tide	5:51 AM BST	5.14 m	Low Tide	12:21 PM BST	0.48 m
	High Tide	6:26 PM BST	5.06 m
2019-07-06	Low Tide	12:36 AM BST	0.95 m	High Tide	6:38 AM BST	5.13 m
	Low Tide	1:10 PM BST	0.48 m	High Tide	7:17 PM BST	4.97 m
2019-07-07	Low Tide	1:23 AM BST	1.08 m	High Tide	7:27 AM BST	5.06 m
	Low Tide	2:01 PM BST	0.57 m	High Tide	8:10 PM BST	4.82 m
2019-07-08	Low Tide	2:13 AM BST	1.25 m	High Tide	8:20 AM BST	4.93 m
	Low Tide	2:54 PM BST	0.72 m	High Tide	9:06 PM BST	4.64 m
2019-07-09	Low Tide	3:08 AM BST	1.44 m	High Tide	9:17 AM BST	4.77 m
	Low Tide	3:53 PM BST	0.92 m	High Tide	10:05 PM BST	4.47 m
2019-07-10	Low Tide	4:09 AM BST	1.60 m	High Tide	10:21 AM BST	4.61 m
	Low Tide	4:57 PM BST	1.10 m	High Tide	11:09 PM BST	4.35 m
2019-07-11	Low Tide	5:19 AM BST	1.70 m	High Tide	11:29 AM BST	4.49 m
	Low Tide	6:06 PM BST	1.23 m
2019-07-12	High Tide	12:15 AM BST	4.31 m	Low Tide	6:34 AM BST	1.68 m
	High Tide	12:38 PM BST	4.46 m	Low Tide	7:14 PM BST	1.28 m
2019-07-13	High Tide	1:17 AM BST	4.36 m	Low Tide	7:44 AM BST	1.55 m
	High Tide	1:44 PM BST	4.49 m	Low Tide	8:14 PM BST	1.28 m
2019-07-14	High Tide	2:14 AM BST	4.47 m	Low Tide	8:42 AM BST	1.37 m
	High Tide	2:41 PM BST	4.56 m	Low Tide	9:04 PM BST	1.25 m
2019-07-15	High Tide	3:03 AM BST	4.60 m	Low Tide	9:32 AM BST	1.19 m
	High Tide	3:32 PM BST	4.63 m	Low Tide	9:48 PM BST	1.23 m
2019-07-16	High Tide	3:47 AM BST	4.74 m	Low Tide	10:16 AM BST	1.03 m
	High Tide	4:17 PM BST	4.69 m	Low Tide	10:27 PM BST	1.20 m
2019-07-17	High Tide	4:27 AM BST	4.85 m	Low Tide	10:56 AM BST	0.92 m
	High Tide	4:58 PM BST	4.71 m	Low Tide	11:03 PM BST	1.19 m
2019-07-18	High Tide	5:05 AM BST	4.93 m	Low Tide	11:34 AM BST	0.87 m
	High Tide	5:37 PM BST	4.70 m	Low Tide	11:38 PM BST	1.20 m
2019-07-19	High Tide	5:41 AM BST	4.95 m	Low Tide	12:09 PM BST	0.87 m
	High Tide	6:14 PM BST	4.64 m
2019-07-20	Low Tide	12:11 AM BST	1.24 m	High Tide	6:16 AM BST	4.91 m
	Low Tide	12:44 PM BST	0.93 m	High Tide	6:50 PM BST	4.55 m
2019-07-21	Low Tide	12:44 AM BST	1.31 m	High Tide	6:49 AM BST	4.82 m
	Low Tide	1:17 PM BST	1.04 m	High Tide	7:25 PM BST	4.44 m
2019-07-22	Low Tide	1:18 AM BST	1.42 m	High Tide	7:23 AM BST	4.69 m
	Low Tide	1:51 PM BST	1.17 m	High Tide	8:02 PM BST	4.31 m
2019-07-23	Low Tide	1:55 AM BST	1.56 m	High Tide	8:00 AM BST	4.53 m
	Low Tide	2:29 PM BST	1.32 m	High Tide	8:43 PM BST	4.17 m
2019-07-24	Low Tide	2:36 AM BST	1.71 m	High Tide	8:42 AM BST	4.36 m
	Low Tide	3:12 PM BST	1.48 m	High Tide	9:31 PM BST	4.05 m
2019-07-25	Low Tide	3:25 AM BST	1.87 m	High Tide	9:34 AM BST	4.20 m
	Low Tide	4:04 PM BST	1.62 m	High Tide	10:29 PM BST	3.97 m
2019-07-26	Low Tide	4:26 AM BST	1.99 m	High Tide	10:37 AM BST	4.09 m
	Low Tide	5:08 PM BST	1.70 m	High Tide	11:32 PM BST	3.96 m
2019-07-27	Low Tide	5:38 AM BST	2.00 m	High Tide	11:46 AM BST	4.09 m
	Low Tide	6:18 PM BST	1.69 m
2019-07-28	High Tide	12:36 AM BST	4.07 m	Low Tide	6:52 AM BST	1.86 m
	High Tide	12:54 PM BST	4.20 m	Low Tide	7:25 PM BST	1.57 m
2019-07-29	High Tide	1:34 AM BST	4.26 m	Low Tide	7:58 AM BST	1.59 m
	High Tide	1:56 PM BST	4.42 m	Low Tide	8:23 PM BST	1.39 m
2019-07-30	High Tide	2:28 AM BST	4.51 m	Low Tide	8:54 AM BST	1.25 m
	High Tide	2:53 PM BST	4.67 m	Low Tide	9:15 PM BST	1.18 m
2019-07-31	High Tide	3:17 AM BST	4.78 m	Low Tide	9:45 AM BST	0.90 m
	High Tide	3:45 PM BST	4.92 m	Low Tide	10:04 PM BST	0.98 m
2019-08-01	High Tide	4:04 AM BST	5.04 m	Low Tide	10:34 AM BST	0.58 m
	High Tide	4:35 PM BST	5.12 m	Low Tide	10:50 PM BST	0.83 m
2019-08-02	High Tide	4:51 AM BST	5.25 m	Low Tide	11:21 AM BST	0.34 m
	High Tide	5:24 PM BST	5.24 m	Low Tide	11:36 PM BST	0.76 m
2019-08-03	High Tide	5:37 AM BST	5.38 m	Low Tide	12:08 PM BST	0.22 m
	High Tide	6:12 PM BST	5.26 m
2019-08-04	Low Tide	12:21 AM BST	0.76 m	High Tide	6:23 AM BST	5.41 m
	Low Tide	12:55 PM BST	0.22 m	High Tide	7:00 PM BST	5.18 m
2019-08-05	Low Tide	1:06 AM BST	0.86 m	High Tide	7:10 AM BST	5.34 m
	Low Tide	1:42 PM BST	0.36 m	High Tide	7:48 PM BST	5.00 m
2019-08-06	Low Tide	1:51 AM BST	1.03 m	High Tide	7:59 AM BST	5.17 m
	Low Tide	2:30 PM BST	0.62 m	High Tide	8:38 PM BST	4.76 m
2019-08-07	Low Tide	2:40 AM BST	1.27 m	High Tide	8:52 AM BST	4.92 m
	Low Tide	3:23 PM BST	0.94 m	High Tide	9:32 PM BST	4.51 m
2019-08-08	Low Tide	3:36 AM BST	1.52 m	High Tide	9:52 AM BST	4.63 m
	Low Tide	4:24 PM BST	1.28 m	High Tide	10:33 PM BST	4.28 m
2019-08-09	Low Tide	4:44 AM BST	1.74 m	High Tide	11:01 AM BST	4.39 m
	Low Tide	5:34 PM BST	1.55 m	High Tide	11:41 PM BST	4.16 m
2019-08-10	Low Tide	6:06 AM BST	1.82 m	High Tide	12:17 PM BST	4.27 m
	Low Tide	6:50 PM BST	1.67 m
2019-08-11	High Tide	12:52 AM BST	4.18 m	Low Tide	7:28 AM BST	1.72 m
	High Tide	1:31 PM BST	4.29 m	Low Tide	7:57 PM BST	1.65 m
2019-08-12	High Tide	1:56 AM BST	4.32 m	Low Tide	8:32 AM BST	1.51 m
	High Tide	2:33 PM BST	4.40 m	Low Tide	8:51 PM BST	1.56 m
2019-08-13	High Tide	2:48 AM BST	4.51 m	Low Tide	9:23 AM BST	1.28 m
	High Tide	3:23 PM BST	4.53 m	Low Tide	9:34 PM BST	1.45 m
2019-08-14	High Tide	3:32 AM BST	4.70 m	Low Tide	10:04 AM BST	1.09 m
	High Tide	4:05 PM BST	4.64 m	Low Tide	10:11 PM BST	1.34 m
2019-08-15	High Tide	4:11 AM BST	4.86 m	Low Tide	10:41 AM BST	0.94 m
	High Tide	4:42 PM BST	4.72 m	Low Tide	10:44 PM BST	1.24 m
2019-08-16	High Tide	4:46 AM BST	4.98 m	Low Tide	11:14 AM BST	0.86 m
	High Tide	5:16 PM BST	4.76 m	Low Tide	11:16 PM BST	1.17 m
2019-08-17	High Tide	5:19 AM BST	5.03 m	Low Tide	11:46 AM BST	0.83 m
	High Tide	5:49 PM BST	4.76 m	Low Tide	11:47 PM BST	1.14 m
2019-08-18	High Tide	5:50 AM BST	5.03 m	Low Tide	12:16 PM BST	0.86 m
	High Tide	6:21 PM BST	4.72 m
2019-08-19	Low Tide	12:18 AM BST	1.17 m	High Tide	6:20 AM BST	4.96 m
	Low Tide	12:46 PM BST	0.94 m	High Tide	6:52 PM BST	4.64 m
2019-08-20	Low Tide	12:49 AM BST	1.25 m	High Tide	6:51 AM BST	4.85 m
	Low Tide	1:16 PM BST	1.06 m	High Tide	7:23 PM BST	4.53 m
2019-08-21	Low Tide	1:21 AM BST	1.37 m	High Tide	7:23 AM BST	4.72 m
	Low Tide	1:48 PM BST	1.21 m	High Tide	7:57 PM BST	4.39 m
2019-08-22	Low Tide	1:57 AM BST	1.53 m	High Tide	8:00 AM BST	4.55 m
	Low Tide	2:25 PM BST	1.40 m	High Tide	8:38 PM BST	4.24 m
2019-08-23	Low Tide	2:40 AM BST	1.72 m	High Tide	8:47 AM BST	4.36 m
	Low Tide	3:12 PM BST	1.60 m	High Tide	9:30 PM BST	4.08 m
2019-08-24	Low Tide	3:35 AM BST	1.89 m	High Tide	9:48 AM BST	4.17 m
	Low Tide	4:14 PM BST	1.79 m	High Tide	10:36 PM BST	3.98 m
2019-08-25	Low Tide	4:49 AM BST	2.00 m	High Tide	11:05 AM BST	4.08 m
	Low Tide	5:33 PM BST	1.88 m	High Tide	11:52 PM BST	4.01 m
2019-08-26	Low Tide	6:16 AM BST	1.91 m	High Tide	12:26 PM BST	4.16 m
	Low Tide	6:55 PM BST	1.80 m
2019-08-27	High Tide	1:03 AM BST	4.19 m	Low Tide	7:35 AM BST	1.62 m
	High Tide	1:38 PM BST	4.40 m	Low Tide	8:04 PM BST	1.57 m
2019-08-28	High Tide	2:05 AM BST	4.49 m	Low Tide	8:37 AM BST	1.21 m
	High Tide	2:39 PM BST	4.71 m	Low Tide	9:00 PM BST	1.27 m
2019-08-29	High Tide	2:58 AM BST	4.84 m	Low Tide	9:30 AM BST	0.78 m
	High Tide	3:32 PM BST	5.02 m	Low Tide	9:48 PM BST	0.99 m
2019-08-30	High Tide	3:47 AM BST	5.16 m	Low Tide	10:18 AM BST	0.41 m
	High Tide	4:21 PM BST	5.26 m	Low Tide	10:34 PM BST	0.76 m
2019-08-31	High Tide	4:33 AM BST	5.43 m	Low Tide	11:04 AM BST	0.16 m
	High Tide	5:07 PM BST	5.41 m	Low Tide	11:18 PM BST	0.63 m

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