The current phase of the spring/neap cycle, and the biggest spring tides ahead. Choose any period from the next few weeks to next year.
Currently
Falling towards neaps
Spring tides easing towards neaps. Next large springs from 24 Oct, peaking 27 Oct.
Next 8 weeks · 14 Oct 2026 – 9 Dec 2026
Spring-tide window Spring peak Now
Spring tides in this period
Period
Peak
Year rank
Size
Height
24–30 Oct
27 Oct
5th/25
Large
9.78m
9–11 Nov
10 Nov
21st/25
Small
9.22m
23–27 Nov
25 Nov
13th/25
Moderate
9.64m
Spring periods are centred on the highest predicted high water in each lunar cycle; the shaded window varies with spring size (1–3 days either side). Size (small / moderate / large) and rank are relative to all springs in the peak's own calendar year, so dates outside 2026 show their year: a spring's rank isn't comparable across the year boundary.
Rank
Peak date
Period
Size
Height
1st
21 Mar
past
18–24 Mar
Large
9.86m
2nd
15 Aug
past
12–18 Aug
Large
9.86m
3rd
11 Sep
past
8–14 Sep
Large
9.83m
4th
19 Apr
past
16–22 Apr
Large
9.82m
5th
27 Oct
in 13d
24–30 Oct
Large
9.78m
6th
29 Sep
past
26 Sep–2 Oct
Large
9.76m
7th
26 Dec
in 73d
23–29 Dec
Large
9.76m
8th
3 Feb
past
31 Jan–6 Feb
Large
9.71m
9th
17 Jul
past
15–19 Jul
Moderate
9.71m
10th
20 Feb
past
18–22 Feb
Moderate
9.68m
Period
Peak
Season rank
Size
Height
19–25 Feb 2027
22 Feb 2027
1st/12
Large
10.08m
21–27 Jan 2027
24 Jan 2027
2nd/12
Large
10.0m
8–14 Sep 2026
11 Sep 2026
3rd/12
Large
9.83m
24–30 Oct 2026
27 Oct 2026
4th/12
Large
9.78m
26 Sep–2 Oct 2026
29 Sep 2026
5th/12
Large
9.76m
23–29 Dec 2026
26 Dec 2026
6th/12
Large
9.76m
23–27 Nov 2026
25 Nov 2026
7th/12
Moderate
9.64m
8–12 Oct 2026
10 Oct 2026
8th/12
Moderate
9.61m
8–10 Feb 2027
9 Feb 2027
9th/12
Small
9.29m
9–11 Nov 2026
10 Nov 2026
10th/12
Small
9.22m
Ranked against all springs peaking in 2026, highest first.
Ranked by height within the 1 Sep 2026–28 Feb 2027 window, the UK's storm-surge season, when large autumn/winter springs are most likely to coincide with Atlantic low-pressure systems and elevated coastal flood risk. Automatically moves on to next year's window once the current one has passed. This "season rank" is independent of the calendar-year rank shown on the other tab, since the season spans two calendar years, so dates here always show the year.
Tides: Liverpool (Gladstone Dock) tide predictions from the National Tidal & Sea Level Facility (NTSLF), National Oceanography Centre. A single well-correlated standard port is used as a national proxy, because the spring/neap rhythm and its annual peaks are driven by the lunar cycle and fall on essentially the same dates around the coast. At Liverpool high waters reach ~9–10m during large springs and ~7.5m at neaps; only the relative strength of each spring tide (size and rank) is shown, not absolute levels for other places.
A new map of every river level gauge the Environment Agency, Natural Resources Wales and SEPA publish, updated every 15 minutes. Each gauge is judged against its own history, from low to exceptional, and each catchment is shaded by how its rivers are responding as a whole. Scrub back through the last two weeks, or open any gauge for its own page with its chart, thresholds and nearby gauges. The homepage now carries a River Levels card with the catchment map and the ten highest gauges.
Compare any model against radar, with a full-page chart
The forecast against radar comparison map now works with every model: UKV, DMI Harmonie, ECMWF HRES and AIFS, GFS, NOAA AIGFS and Met Office Global. Open any area and choose Open full chart to see its rain over time on one large chart: what radar measured, and each forecast run starting from what had already fallen by its run time. Compare the latest runs of one model, or several models side by side, and share the view as a link. The full chart covers runs from 12 October onwards.
Useful?Thanks
New8 Oct
Leave out unreliable rain gauges
Every rain gauge map and table now has a Quality control switch. Turn it on and gauges that the rain gauge check judges likely faulty, such as blocked or stuck ones, are left out of the map, the lists and the totals, for whatever period you are looking at. A small note beside the switch says how many were left out. It is on by default, and you can turn it off.
This application brings together real-time data from multiple sources to help you stay
informed about weather and flood conditions across the UK.
report_problem
Important
This application is unofficial and provided for informational, research, and analysis purposes only. Uptime, data completeness, and real-time accuracy are not guaranteed.
To avoid over-reliance during active weather or flood events, do not make safety-critical decisions using this tool. For official warnings and instructions, consult the primary public services directly:
Google Analytics is used to see which pages are useful and where the site is slow. It's off until you say otherwise, and your choice is remembered. Nothing else on this site sets non-essential cookies, and advertising or personalisation cookies are never allowed.
Analytics is currently on.
You can change this at any time from the Cookie preferences link in the page footer.