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.

2019-05-01	High Tide	2:20 AM BST	4.20 m	Low Tide	8:25 AM BST	1.68 m
	High Tide	2:22 PM BST	4.34 m	Low Tide	8:53 PM BST	1.21 m
2019-05-02	High Tide	2:59 AM BST	4.41 m	Low Tide	9:04 AM BST	1.43 m
	High Tide	3:00 PM BST	4.53 m	Low Tide	9:27 PM BST	1.02 m
2019-05-03	High Tide	3:32 AM BST	4.60 m	Low Tide	9:38 AM BST	1.20 m
	High Tide	3:34 PM BST	4.71 m	Low Tide	9:59 PM BST	0.86 m
2019-05-04	High Tide	4:04 AM BST	4.75 m	Low Tide	10:12 AM BST	1.02 m
	High Tide	4:07 PM BST	4.85 m	Low Tide	10:31 PM BST	0.76 m
2019-05-05	High Tide	4:35 AM BST	4.85 m	Low Tide	10:45 AM BST	0.88 m
	High Tide	4:41 PM BST	4.95 m	Low Tide	11:03 PM BST	0.73 m
2019-05-06	High Tide	5:07 AM BST	4.91 m	Low Tide	11:20 AM BST	0.82 m
	High Tide	5:17 PM BST	4.99 m	Low Tide	11:37 PM BST	0.76 m
2019-05-07	High Tide	5:40 AM BST	4.91 m	Low Tide	11:56 AM BST	0.81 m
	High Tide	5:55 PM BST	4.96 m
2019-05-08	Low Tide	12:13 AM BST	0.88 m	High Tide	6:16 AM BST	4.85 m
	Low Tide	12:35 PM BST	0.87 m	High Tide	6:37 PM BST	4.86 m
2019-05-09	Low Tide	12:53 AM BST	1.06 m	High Tide	6:56 AM BST	4.73 m
	Low Tide	1:19 PM BST	0.98 m	High Tide	7:25 PM BST	4.69 m
2019-05-10	Low Tide	1:38 AM BST	1.30 m	High Tide	7:43 AM BST	4.57 m
	Low Tide	2:11 PM BST	1.13 m	High Tide	8:23 PM BST	4.48 m
2019-05-11	Low Tide	2:33 AM BST	1.56 m	High Tide	8:41 AM BST	4.38 m
	Low Tide	3:14 PM BST	1.27 m	High Tide	9:32 PM BST	4.29 m
2019-05-12	Low Tide	3:42 AM BST	1.78 m	High Tide	9:52 AM BST	4.25 m
	Low Tide	4:31 PM BST	1.34 m	High Tide	10:51 PM BST	4.22 m
2019-05-13	Low Tide	5:04 AM BST	1.86 m	High Tide	11:10 AM BST	4.24 m
	Low Tide	5:52 PM BST	1.25 m
2019-05-14	High Tide	12:08 AM BST	4.30 m	Low Tide	6:25 AM BST	1.74 m
	High Tide	12:24 PM BST	4.39 m	Low Tide	7:05 PM BST	1.03 m
2019-05-15	High Tide	1:15 AM BST	4.49 m	Low Tide	7:33 AM BST	1.50 m
	High Tide	1:29 PM BST	4.61 m	Low Tide	8:05 PM BST	0.79 m
2019-05-16	High Tide	2:10 AM BST	4.70 m	Low Tide	8:28 AM BST	1.22 m
	High Tide	2:24 PM BST	4.84 m	Low Tide	8:56 PM BST	0.59 m
2019-05-17	High Tide	2:59 AM BST	4.87 m	Low Tide	9:16 AM BST	0.97 m
	High Tide	3:13 PM BST	5.02 m	Low Tide	9:41 PM BST	0.49 m
2019-05-18	High Tide	3:42 AM BST	4.99 m	Low Tide	9:59 AM BST	0.79 m
	High Tide	3:58 PM BST	5.12 m	Low Tide	10:24 PM BST	0.49 m
2019-05-19	High Tide	4:24 AM BST	5.04 m	Low Tide	10:41 AM BST	0.69 m
	High Tide	4:42 PM BST	5.12 m	Low Tide	11:03 PM BST	0.59 m
2019-05-20	High Tide	5:03 AM BST	5.03 m	Low Tide	11:21 AM BST	0.67 m
	High Tide	5:25 PM BST	5.04 m	Low Tide	11:42 PM BST	0.76 m
2019-05-21	High Tide	5:42 AM BST	4.96 m	Low Tide	12:01 PM BST	0.74 m
	High Tide	6:08 PM BST	4.87 m
2019-05-22	Low Tide	12:19 AM BST	0.98 m	High Tide	6:21 AM BST	4.84 m
	Low Tide	12:41 PM BST	0.88 m	High Tide	6:51 PM BST	4.65 m
2019-05-23	Low Tide	12:56 AM BST	1.24 m	High Tide	6:59 AM BST	4.67 m
	Low Tide	1:22 PM BST	1.07 m	High Tide	7:35 PM BST	4.40 m
2019-05-24	Low Tide	1:34 AM BST	1.51 m	High Tide	7:40 AM BST	4.48 m
	Low Tide	2:06 PM BST	1.29 m	High Tide	8:23 PM BST	4.15 m
2019-05-25	Low Tide	2:16 AM BST	1.76 m	High Tide	8:27 AM BST	4.28 m
	Low Tide	2:56 PM BST	1.50 m	High Tide	9:19 PM BST	3.94 m
2019-05-26	Low Tide	3:07 AM BST	1.97 m	High Tide	9:22 AM BST	4.09 m
	Low Tide	3:56 PM BST	1.67 m	High Tide	10:24 PM BST	3.81 m
2019-05-27	Low Tide	4:11 AM BST	2.12 m	High Tide	10:27 AM BST	3.97 m
	Low Tide	5:07 PM BST	1.74 m	High Tide	11:34 PM BST	3.81 m
2019-05-28	Low Tide	5:27 AM BST	2.14 m	High Tide	11:37 AM BST	3.96 m
	Low Tide	6:17 PM BST	1.68 m
2019-05-29	High Tide	12:38 AM BST	3.92 m	Low Tide	6:38 AM BST	2.02 m
	High Tide	12:40 PM BST	4.05 m	Low Tide	7:17 PM BST	1.53 m
2019-05-30	High Tide	1:31 AM BST	4.10 m	Low Tide	7:36 AM BST	1.81 m
	High Tide	1:32 PM BST	4.21 m	Low Tide	8:04 PM BST	1.34 m
2019-05-31	High Tide	2:15 AM BST	4.30 m	Low Tide	8:22 AM BST	1.57 m
	High Tide	2:17 PM BST	4.39 m	Low Tide	8:45 PM BST	1.15 m
2019-06-01	High Tide	2:53 AM BST	4.50 m	Low Tide	9:03 AM BST	1.33 m
	High Tide	2:57 PM BST	4.59 m	Low Tide	9:23 PM BST	0.99 m
2019-06-02	High Tide	3:29 AM BST	4.67 m	Low Tide	9:42 AM BST	1.11 m
	High Tide	3:37 PM BST	4.77 m	Low Tide	10:00 PM BST	0.87 m
2019-06-03	High Tide	4:04 AM BST	4.82 m	Low Tide	10:21 AM BST	0.92 m
	High Tide	4:17 PM BST	4.90 m	Low Tide	10:39 PM BST	0.81 m
2019-06-04	High Tide	4:42 AM BST	4.92 m	Low Tide	11:02 AM BST	0.79 m
	High Tide	4:59 PM BST	4.98 m	Low Tide	11:18 PM BST	0.83 m
2019-06-05	High Tide	5:21 AM BST	4.97 m	Low Tide	11:44 AM BST	0.72 m
	High Tide	5:44 PM BST	4.98 m
2019-06-06	Low Tide	12:00 AM BST	0.91 m	High Tide	6:02 AM BST	4.96 m
	Low Tide	12:29 PM BST	0.71 m	High Tide	6:32 PM BST	4.91 m
2019-06-07	Low Tide	12:45 AM BST	1.06 m	High Tide	6:47 AM BST	4.89 m
	Low Tide	1:17 PM BST	0.76 m	High Tide	7:24 PM BST	4.78 m
2019-06-08	Low Tide	1:33 AM BST	1.25 m	High Tide	7:37 AM BST	4.77 m
	Low Tide	2:10 PM BST	0.86 m	High Tide	8:21 PM BST	4.61 m
2019-06-09	Low Tide	2:27 AM BST	1.45 m	High Tide	8:34 AM BST	4.64 m
	Low Tide	3:10 PM BST	0.98 m	High Tide	9:24 PM BST	4.46 m
2019-06-10	Low Tide	3:29 AM BST	1.63 m	High Tide	9:38 AM BST	4.52 m
	Low Tide	4:16 PM BST	1.07 m	High Tide	10:33 PM BST	4.37 m
2019-06-11	Low Tide	4:40 AM BST	1.73 m	High Tide	10:48 AM BST	4.46 m
	Low Tide	5:28 PM BST	1.09 m	High Tide	11:42 PM BST	4.36 m
2019-06-12	Low Tide	5:54 AM BST	1.70 m	High Tide	11:58 AM BST	4.49 m
	Low Tide	6:37 PM BST	1.04 m
2019-06-13	High Tide	12:46 AM BST	4.43 m	Low Tide	7:04 AM BST	1.56 m
	High Tide	1:03 PM BST	4.58 m	Low Tide	7:39 PM BST	0.96 m
2019-06-14	High Tide	1:44 AM BST	4.55 m	Low Tide	8:04 AM BST	1.37 m
	High Tide	2:01 PM BST	4.70 m	Low Tide	8:33 PM BST	0.89 m
2019-06-15	High Tide	2:35 AM BST	4.67 m	Low Tide	8:56 AM BST	1.17 m
	High Tide	2:54 PM BST	4.79 m	Low Tide	9:21 PM BST	0.87 m
2019-06-16	High Tide	3:20 AM BST	4.78 m	Low Tide	9:43 AM BST	1.00 m
	High Tide	3:42 PM BST	4.85 m	Low Tide	10:04 PM BST	0.88 m
2019-06-17	High Tide	4:03 AM BST	4.86 m	Low Tide	10:27 AM BST	0.89 m
	High Tide	4:27 PM BST	4.86 m	Low Tide	10:43 PM BST	0.94 m
2019-06-18	High Tide	4:43 AM BST	4.90 m	Low Tide	11:08 AM BST	0.83 m
	High Tide	5:10 PM BST	4.82 m	Low Tide	11:21 PM BST	1.03 m
2019-06-19	High Tide	5:22 AM BST	4.91 m	Low Tide	11:48 AM BST	0.83 m
	High Tide	5:52 PM BST	4.72 m	Low Tide	11:58 PM BST	1.15 m
2019-06-20	High Tide	6:00 AM BST	4.87 m	Low Tide	12:27 PM BST	0.90 m
	High Tide	6:33 PM BST	4.59 m
2019-06-21	Low Tide	12:33 AM BST	1.29 m	High Tide	6:38 AM BST	4.78 m
	Low Tide	1:05 PM BST	1.01 m	High Tide	7:14 PM BST	4.43 m
2019-06-22	Low Tide	1:09 AM BST	1.44 m	High Tide	7:16 AM BST	4.65 m
	Low Tide	1:44 PM BST	1.16 m	High Tide	7:56 PM BST	4.26 m
2019-06-23	Low Tide	1:47 AM BST	1.61 m	High Tide	7:56 AM BST	4.49 m
	Low Tide	2:26 PM BST	1.33 m	High Tide	8:42 PM BST	4.10 m
2019-06-24	Low Tide	2:30 AM BST	1.77 m	High Tide	8:40 AM BST	4.31 m
	Low Tide	3:12 PM BST	1.48 m	High Tide	9:34 PM BST	3.97 m
2019-06-25	Low Tide	3:20 AM BST	1.93 m	High Tide	9:33 AM BST	4.15 m
	Low Tide	4:06 PM BST	1.60 m	High Tide	10:32 PM BST	3.90 m
2019-06-26	Low Tide	4:21 AM BST	2.03 m	High Tide	10:33 AM BST	4.05 m
	Low Tide	5:08 PM BST	1.66 m	High Tide	11:34 PM BST	3.91 m
2019-06-27	Low Tide	5:30 AM BST	2.04 m	High Tide	11:37 AM BST	4.03 m
	Low Tide	6:12 PM BST	1.62 m
2019-06-28	High Tide	12:33 AM BST	4.01 m	Low Tide	6:38 AM BST	1.93 m
	High Tide	12:38 PM BST	4.12 m	Low Tide	7:11 PM BST	1.51 m
2019-06-29	High Tide	1:25 AM BST	4.17 m	Low Tide	7:37 AM BST	1.73 m
	High Tide	1:33 PM BST	4.28 m	Low Tide	8:02 PM BST	1.35 m
2019-06-30	High Tide	2:12 AM BST	4.37 m	Low Tide	8:28 AM BST	1.48 m
	High Tide	2:23 PM BST	4.49 m	Low Tide	8:50 PM BST	1.18 m

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