Highest & lowest predicted tides at St. Helier
St. Helier, years 2008 to 2026
Highest astronomical tide
12.18m
Mean high water springs
11.00m
Mean high water neaps
8.02m
Mean low water neaps
4.11m
Mean low water springs
1.33m
Lowest astronomical tide
0.10m
Highest equinoctial spring tides
11.58m
10 Mar 2008
11.44m
16 Oct 2008
11.76m
11 Feb 2009
11.92m
22 Aug 2009
12.10m
2 Mar 2010
12.10m
9 Sep 2010
12.07m
21 Mar 2011
12.00m
28 Sep 2011
11.82m
10 Mar 2012
11.69m
16 Oct 2012
11.66m
12 Feb 2013
11.83m
22 Aug 2013
12.01m
2 Feb 2014
12.12m
10 Sep 2014
12.15m
21 Feb 2015
12.18m
29 Sep 2015
12.04m
11 Mar 2016
12.01m
17 Oct 2016
11.72m
30 Mar 2017
11.64m
5 Nov 2017
11.74m
2 Feb 2018
11.92m
11 Sep 2018
12.02m
22 Mar 2019
12.13m
30 Sep 2019
12.06m
11 Mar 2020
12.06m
19 Sep 2020
11.87m
30 Mar 2021
11.74m
8 Oct 2021
11.51m
4 Mar 2022
11.73m
11 Sep 2022
11.94m
22 Feb 2023
12.03m
1 Sep 2023
12.15m
12 Mar 2024
12.13m
19 Sep 2024
11.93m
31 Mar 2025
11.81m
8 Oct 2025
11.49m
21 Mar 2026
11.57m
14 Aug 2026
Lowest equinoctial spring tides
0.67m
7 Apr 2008
0.89m
3 Aug 2008
0.45m
11 Feb 2009
0.41m
22 Aug 2009
0.15m
2 Mar 2010
0.32m
10 Sep 2010
0.23m
21 Mar 2011
0.54m
29 Sep 2011
0.50m
9 Apr 2012
0.84m
17 Oct 2012
0.59m
11 Feb 2013
0.49m
25 Jul 2013
0.23m
2 Mar 2014
0.27m
13 Aug 2014
0.12m
21 Mar 2015
0.31m
1 Sep 2015
0.25m
11 Mar 2016
0.56m
18 Oct 2016
0.58m
30 Mar 2017
0.81m
25 Jul 2017
0.46m
3 Mar 2018
0.49m
11 Sep 2018
0.19m
22 Mar 2019
0.36m
2 Sep 2019
0.17m
11 Mar 2020
0.49m
19 Sep 2020
0.42m
30 Mar 2021
0.84m
8 Oct 2021
0.69m
4 Mar 2022
0.63m
12 Sep 2022
0.26m
22 Feb 2023
0.29m
2 Sep 2023
0.10m
12 Mar 2024
0.35m
20 Sep 2024
0.36m
30 Mar 2025
0.74m
10 Sep 2025
0.80m
20 Mar 2026
0.73m
15 Aug 2026
10 highest tides
12.18 m
29 Sep 2015
12.15 m
21 Feb 2015
12.15 m
12 Mar 2024
12.13 m
19 Sep 2024
12.13 m
30 Sep 2019
12.12 m
22 Mar 2015
12.12 m
10 Sep 2014
12.10 m
9 Sep 2010
12.10 m
2 Mar 2010
12.10 m
31 Aug 2015
10 lowest tides
0.10 m
12 Mar 2024
0.12 m
21 Mar 2015
0.14 m
21 Feb 2015
0.15 m
2 Mar 2010
0.15 m
22 Mar 2015
0.16 m
11 Mar 2024
0.17 m
20 Feb 2015
0.17 m
11 Mar 2020
0.19 m
22 Mar 2019
0.22 m
21 Feb 2019