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🌊 Tide going out · high water in ~5h

Avonmouth Portbury

Tide 🌊 Tidal
England - South Coast catchment • Avonmouth • North Somerset • ID: E72639 • 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) • 1 reading/hr • 122 views

Set water level alerts

Get notified about Avonmouth Portbury — 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 mAOD/hr — a sign of rapidly increasing water levels.

Each one is saved as its own alert — pause or remove them individually any time.

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

Current Level
-2.213 mAOD
▼ Falling (-2cm/hr)
24h Max
2.948 mAOD
24h Min
-2.213 mAOD
Typical Range
-
Highest Recorded
8.63 mAOD
EA official record
8.26 in our data (since Jul 2017)
🚽 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

Falling · -497 cm over 8h
23 Aug 22:15 ▼ -2 cm -2.213 mAOD
23 Aug 21:15 ▼▼ -29 cm -2.198 mAOD
23 Aug 20:45 ▼▼ -20 cm -1.906 mAOD
23 Aug 20:30 ▼▼ -47 cm -1.710 mAOD
23 Aug 20:00 ▼▼ -26 cm -1.244 mAOD
23 Aug 19:45 ▼▼ -27 cm -0.988 mAOD
23 Aug 19:30 ▼▼ -28 cm -0.721 mAOD
23 Aug 19:15 ▼▼ -28 cm -0.441 mAOD
23 Aug 19:00 ▼▼ -29 cm -0.159 mAOD
23 Aug 18:45 ▼▼ -59 cm 0.129 mAOD
23 Aug 18:15 ▼▼ -58 cm 0.717 mAOD
23 Aug 17:45 ▼▼ -84 cm 1.299 mAOD
23 Aug 17:00 ▼▼ -25 cm 2.135 mAOD
23 Aug 16:45 ▼▼ -20 cm 2.381 mAOD
23 Aug 16:30 ▼▼ -28 cm 2.580 mAOD
23 Aug 16:00 ▼▼ -7 cm 2.858 mAOD
23 Aug 15:45 ▼ -2 cm 2.928 mAOD
23 Aug 15:30 ▲ +9 cm 2.948 mAOD
23 Aug 15:00 ▲▲ +10 cm 2.859 mAOD
23 Aug 14:45 2.761 mAOD

Rainfall & Weather

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Flood history near this gauge

Official Environment Agency warnings issued since 2012 for the 12 flood areas linked to this gauge (nearest 0.9 km away).

131flood warnings 163flood alerts

Most recent flood warning: 18 Oct 2024Somerset coast at Portishead and Portbury Dock, seafront properties and Portbury Dock areas

Year by year
YearWarningsAlerts
2026 0 1
2025 0 6
2024 14 20
2023 7 10
2022 1 7
2021 0 3
2020 26 23
2019 8 9
2018 5 12
2017 1 8
2016 21 25
2015 18 23
2014 24 12
2013 0 4
2012 6 0

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 Avonmouth flood history.

Nearby Stations

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Station Details

  • Monitoring Station: Avonmouth Portbury
  • Watercourse: Tide
  • Nearest Town: Avonmouth
  • County: North Somerset
  • Nearest reservoir: Wentwood (16.2 km) · 8.4% full (as of 9 Dec 2024)
  • Coordinates: 51°29'60"N 2°43'42"W (51.499990, -2.728468)
  • Open in: Google Maps · Apple Maps (opens your maps app)
  • Date Opened: 24 Feb 2012
  • Status: Active
  • Station Type: Tidal / coastal station
  • Station Reference: E72639
  • EA Gauge ID: E72639-level-tidal_level-Mean-15_min-mAOD
  • Parameter: Level
  • Unit: mAOD
  • Typical rise rate: 282 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: -2.21 mAOD (EA at 23 Aug 22:15)

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

Frequently asked questions

Is the Tide at Avonmouth Portbury flooding today?

The latest recorded level is -2.21m. Compare it with the recent history on the chart above to judge whether levels are unusually high.

Is the river level rising or falling at Avonmouth Portbury?

Based on the most recent readings, the level is currently falling. The chart above shows the last 7 days of measurements, updated roughly every 15 minutes.

How often is this river level data updated?

Readings are taken by the Environment Agency gauge roughly every 15 minutes and FloodRadar refreshes its data continuously, so the level shown is normally less than an hour old.

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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:

Check any UK postcode’s flood risk →

🏠 Buying or renting around here? Get the Property Flood-Risk Report for any English postcode — official risk band, floods since 1946, warning history, river behaviour and nearby storm overflows. £19 one-off. Learn more →