Highest & lowest predicted tides at Barmouth

Barmouth, years 2008 to 2026

Highest astronomical tide 5.69m
Mean high water springs 5.05m
Mean high water neaps 3.66m
Mean low water neaps 1.83m
Mean low water springs 0.80m
Lowest astronomical tide 0.32m

Highest equinoctial spring tides

5.38m 10 Mar 2008 5.41m 15 Oct 2008
5.46m 11 Feb 2009 5.47m 22 Aug 2009
5.58m 2 Mar 2010 5.60m 9 Sep 2010
5.59m 20 Feb 2011 5.62m 28 Sep 2011
5.48m 10 Mar 2012 5.52m 16 Oct 2012
5.49m 14 Jan 2013 5.46m 22 Aug 2013
5.62m 2 Feb 2014 5.62m 10 Sep 2014
5.65m 21 Feb 2015 5.69m 29 Sep 2015
5.58m 11 Mar 2016 5.66m 17 Oct 2016
5.42m 30 Mar 2017 5.53m 5 Nov 2017
5.46m 2 Feb 2018 5.49m 11 Sep 2018
5.54m 22 Feb 2019 5.63m 30 Sep 2019
5.56m 12 Mar 2020 5.66m 17 Oct 2020
5.47m 30 Mar 2021 5.53m 5 Nov 2021
5.35m 3 Feb 2022 5.44m 11 Sep 2022
5.53m 22 Feb 2023 5.61m 30 Sep 2023
5.61m 12 Mar 2024 5.65m 19 Sep 2024
5.52m 31 Mar 2025 5.57m 8 Oct 2025
5.33m 21 Mar 2026 5.34m 27 Oct 2026

Lowest equinoctial spring tides

0.58m 21 Feb 2008 0.51m 3 Aug 2008
0.42m 11 Feb 2009 0.40m 22 Aug 2009
0.34m 1 Mar 2010 0.43m 12 Aug 2010
0.41m 20 Mar 2011 0.56m 31 Aug 2011
0.49m 9 Apr 2012 0.56m 6 Jul 2012
0.47m 11 Feb 2013 0.42m 25 Jul 2013
0.34m 2 Mar 2014 0.39m 13 Aug 2014
0.34m 21 Mar 2015 0.47m 1 Sep 2015
0.40m 9 Apr 2016 0.63m 19 Sep 2016
0.53m 26 Jun 2017 0.49m 25 Jul 2017
0.39m 3 Mar 2018 0.41m 13 Aug 2018
0.32m 22 Mar 2019 0.43m 1 Sep 2019
0.37m 11 Mar 2020 0.55m 19 Sep 2020
0.51m 30 Mar 2021 0.65m 26 Jul 2021
0.48m 3 Mar 2022 0.47m 14 Aug 2022
0.38m 22 Mar 2023 0.42m 2 Sep 2023
0.36m 11 Mar 2024 0.53m 22 Aug 2024
0.49m 30 Mar 2025 0.69m 10 Sep 2025
0.54m 3 Mar 2026 0.48m 14 Aug 2026

10 highest tides

5.69 m 29 Sep 2015
5.66 m 17 Oct 2016
5.66 m 17 Oct 2020
5.65 m 19 Sep 2024
5.65 m 21 Feb 2015
5.64 m 18 Oct 2020
5.64 m 28 Sep 2015
5.63 m 18 Oct 2024
5.63 m 30 Sep 2019
5.62 m 29 Sep 2019

10 lowest tides

0.32 m 22 Mar 2019
0.33 m 21 Mar 2019
0.34 m 21 Mar 2015
0.34 m 22 Mar 2015
0.34 m 1 Mar 2010
0.34 m 21 Feb 2019
0.34 m 2 Mar 2014
0.35 m 2 Mar 2010
0.36 m 11 Mar 2024
0.37 m 11 Mar 2020

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