Highest & lowest predicted tides at Holyhead
Holyhead, years 2008 to 2026
Highest astronomical tide
6.33m
Mean high water springs
5.66m
Mean high water neaps
4.51m
Mean low water neaps
2.02m
Mean low water springs
0.71m
Lowest astronomical tide
0.00m
Highest equinoctial spring tides
5.99m
7 Apr 2008
6.00m
15 Oct 2008
6.10m
11 Feb 2009
6.13m
21 Aug 2009
6.23m
2 Mar 2010
6.27m
9 Sep 2010
6.22m
20 Feb 2011
6.25m
28 Sep 2011
6.08m
10 Mar 2012
6.13m
15 Dec 2012
6.14m
13 Jan 2013
6.12m
22 Aug 2013
6.26m
2 Feb 2014
6.28m
10 Sep 2014
6.28m
21 Feb 2015
6.33m
29 Sep 2015
6.20m
11 Mar 2016
6.27m
17 Oct 2016
6.02m
30 Mar 2017
6.10m
5 Nov 2017
6.11m
2 Feb 2018
6.14m
10 Sep 2018
6.19m
21 Feb 2019
6.27m
29 Sep 2019
6.19m
11 Mar 2020
6.28m
17 Oct 2020
6.08m
30 Mar 2021
6.11m
5 Nov 2021
6.00m
3 Feb 2022
6.07m
11 Sep 2022
6.17m
22 Feb 2023
6.25m
30 Sep 2023
6.25m
12 Mar 2024
6.30m
19 Sep 2024
6.16m
31 Mar 2025
6.19m
8 Oct 2025
5.93m
21 Mar 2026
5.97m
26 Dec 2026
Lowest equinoctial spring tides
0.26m
7 Apr 2008
0.39m
3 Aug 2008
0.24m
11 Feb 2009
0.16m
22 Aug 2009
0.05m
1 Mar 2010
0.09m
10 Sep 2010
0.03m
20 Mar 2011
0.18m
31 Aug 2011
0.17m
7 Apr 2012
0.39m
18 Sep 2012
0.27m
26 Jun 2013
0.21m
25 Jul 2013
0.10m
2 Mar 2014
0.10m
13 Aug 2014
0.00m
21 Mar 2015
0.12m
1 Sep 2015
0.03m
8 Apr 2016
0.24m
17 Oct 2016
0.19m
27 Apr 2017
0.32m
25 Jul 2017
0.21m
3 Mar 2018
0.17m
13 Aug 2018
0.04m
22 Mar 2019
0.10m
1 Sep 2019
0.01m
11 Mar 2020
0.15m
19 Sep 2020
0.12m
30 Mar 2021
0.36m
8 Oct 2021
0.38m
3 Mar 2022
0.30m
14 Aug 2022
0.15m
22 Mar 2023
0.13m
2 Sep 2023
0.00m
11 Mar 2024
0.14m
20 Sep 2024
0.08m
30 Mar 2025
0.32m
8 Oct 2025
0.35m
20 Mar 2026
0.33m
14 Aug 2026
10 highest tides
6.33 m
29 Sep 2015
6.30 m
19 Sep 2024
6.28 m
28 Sep 2015
6.28 m
21 Feb 2015
6.28 m
10 Sep 2014
6.28 m
17 Oct 2020
6.27 m
17 Oct 2016
6.27 m
18 Oct 2024
6.27 m
29 Sep 2019
6.27 m
9 Sep 2010
10 lowest tides
0.00 m
21 Mar 2015
0.00 m
11 Mar 2024
0.01 m
11 Mar 2020
0.01 m
8 Apr 2020
0.02 m
9 Apr 2020
0.03 m
20 Mar 2011
0.03 m
8 Apr 2016
0.04 m
20 Feb 2015
0.04 m
22 Mar 2019
0.05 m
1 Mar 2010