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⚠ Sensor unreliable — readings not validated

Dover

Tide 🌊 Tidal
England - South Coast catchment • Dover • Kent • ID: E71639 • Level
This gauge is tidally influenced — levels rise and fall with each tide, so rapid changes here are normal and don't necessarily indicate flooding.
(1h ago) • 4 readings/hr • 158 views
⚠
Sensor data may be unreliable — recent readings are physically implausible for this gauge (far outside its normal range). Treat the level shown with caution; the EA may be reporting a faulty sensor.
stuck at error value -3.67–-3.67 mAOD (readings flow, daily summaries stalled since 2026-05-29)

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Get notified about Dover — tick as many as you like, they all share the notify settings below.

You'll be notified when this gauge is rising more than 0.10 m/hr — a sign of rapidly increasing water levels.

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Not an emergency service — if in danger call 999. Alerts rely on EA/SEPA/NRW data and are best-efforts. Terms

Current Level
1.322 mAOD
Trend unavailable
24h Max
2.754 mAOD
24h Min
-1.955 mAOD
Typical Range
-
Highest Recorded
4.76 mAOD
EA official record
A 8.27 reading (19 Jul 2018) sits in our unverified raw history and is not treated as the record
🚽 Sewage overflows nearby

Recent Water Levels

🌍 floodradar.co.uk
1 day

Flood predictions aren't generated for tidal gauges — their levels are driven by the tide, not by catchment rainfall, so the forecast models would have no skill here.

Recent Readings

Rising · +295 cm over 7h
08 Oct 00:45 ▼▼ -23 cm 1.322 mAOD
08 Oct 00:30 ▼▼ -22 cm 1.547 mAOD
08 Oct 00:15 ▼▼ -20 cm 1.767 mAOD
08 Oct 00:00 ▼▼ -49 cm 1.969 mAOD
07 Oct 23:15 ▼▼ -29 cm 2.463 mAOD
07 Oct 22:15 ▬ steady 2.753 mAOD
07 Oct 22:00 ▲ +6 cm 2.754 mAOD
07 Oct 21:30 ▲▲ +6 cm 2.695 mAOD
07 Oct 21:15 ▲▲ +13 cm 2.631 mAOD
07 Oct 21:00 ▲▲ +18 cm 2.502 mAOD
07 Oct 20:45 ▲▲ +22 cm 2.320 mAOD
07 Oct 20:30 ▲▲ +28 cm 2.103 mAOD
07 Oct 20:15 ▲▲ +33 cm 1.822 mAOD
07 Oct 20:00 ▲▲ +39 cm 1.489 mAOD
07 Oct 19:45 ▲▲ +43 cm 1.104 mAOD
07 Oct 19:30 ▲▲ +84 cm 0.671 mAOD
07 Oct 19:00 ▲▲ +73 cm -0.166 mAOD
07 Oct 18:30 ▲▲ +54 cm -0.898 mAOD
07 Oct 18:00 ▲▲ +19 cm -1.440 mAOD
07 Oct 17:45 -1.632 mAOD

Station Details

  • Monitoring Station: Dover
  • Watercourse: Tide
  • Nearest Town: Dover
  • County: Kent
  • Coordinates: 51°6'52"N 1°19'22"E (51.114372, 1.322641)
  • Open in: Google Maps · Apple Maps (opens your maps app)
  • Date Opened: 26 Jan 2012
  • Status: Active
  • Station Type: Tidal / coastal station
Technical details: references, datum, range, flow archive
  • Station Reference: E71639
  • RLOI id: 1158 (the EA's check-for-flooding station id)
  • EA Gauge ID: E71639-level-tidal_level-Mean-15_min-mAOD
  • Parameter: Level
  • Unit: mAOD
  • Typical rise rate: 222 cm/hr (p95 sustained over 90 days)
  • Typical data delay: ~37 min (measured reading→publication lag)
  • Tidal: 🌊 Yes — levels follow the tide
  • Lock / structure: No
  • Catchment Area: England - South Coast
  • EA Cross-check: 1.32 mAOD (EA at 8 Oct 00:45)

Geographic coordinates may reflect the access point for the gauge, and not the precise location in the watercourse that it is taking readings from.

Nearby Stations

Gauges connected to this river, and others nearby. A distance “by river” follows the river on the map; any other is in a straight line.

Nearby

Rainfall & Weather

Loading rainfall and weather data...

Flood history near this gauge

Official Environment Agency warnings issued since 2011 for the 2 flood areas linked to this gauge (nearest 0.9 km away).

9flood warnings 51flood alerts

Most recent flood warning: 30 Mar 2025 — Coast at St Margaret's at Cliffe, Dover, Folkestone and Sandgate

Year by year
YearWarningsAlerts
2025 1 4
2024 1 11
2023 0 9
2022 0 6
2021 0 3
2020 3 7
2019 2 8
2014 1 0
2013 1 2
2011 0 1

Warnings apply to a whole flood area, not necessarily this exact spot. Years before 2006 aren't covered by the EA's historic record. See also the Dover flood history.

Flood areas linked to this gauge

Flood warnings and alerts are issued for whole areas. These are the 2 areas linked to this gauge, nearest first.

Frequently asked questions

Is the Tide at Dover flooding today?

The latest recorded level is 1.32m. Compare it with the recent history on the chart above to judge whether levels are unusually high.

How often is this river level data updated?

Readings are supplied by the Environment Agency gauge. FloodRadar checks for updates roughly every 15 minutes; the timestamp above shows how recent the latest available reading is.

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📮 Flood risk by postcode near this gauge

Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:

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