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Avonmouth Portbury water level

Tidal gauge, Bristol, United Kingdom

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Right now

Latest reading

Surface elevation

-1.73m Up 0.40 m over the last 24 hours

0 5 Highest onrecord 8.63 m

History

History
-505mOct 12Oct 14Oct 16Oct 17Oct 19-505mOct 12Oct 16Oct 19
-505mSep 19Sep 27Oct 4Oct 12Oct 19-505mSep 19Oct 4Oct 19
Surface elevation

What this means

The Environment Agency has Avonmouth Portbury at −1.73 m. There is no published reference for this tidal gauge yet, so we can't say whether that is high or low for the season.

It is on the way up, by 0.40 m over the past 24 hours. The 30-day range is −5.44 m – 7.51 m.

Over the past seven days the change adds up to −1.66 m.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Key numbers

Lowest and highest in 30 days
−5.44 m – 7.51 m
Lowest and highest in 12 months
0.10 m – 1.14 m
Highest on record
8.63 mJanuary 3, 2014

Weather at the gauge

Rain in the last 3 days: 3.7 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 14° 9° – Wind 22 km/h
18 Sun 13° 9° – Wind 29 km/h
19 Mon 15° 9° 3.0 mm, 84% Wind 32 km/h
20 Tue 13° 9° 5.1 mm, 66% Wind 10 km/h
21 Wed 15° 8° 4.2 mm, 62% Wind 17 km/h
22 Thu 14° 6° 6.3 mm, 68% Wind 15 km/h
23 Fri 14° 8° 26 mm, 84% Wind 26 km/h

Forecast: Open-Meteo

Sunrise 07:42 AM Sunset 06:11 PM Daylight 10 hr, 29 min First quarter 61%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Markham BrookRiver gauge 5.30 m Very low ±0 3.8 km
WraxallRiver gauge, Land Yeo 0.02 m Very low ±0 6.7 km
Cribbs Causeway ReservoirRiver gauge 42.57 m Normal +0.01 m 8.5 km
Filton Southmead RoadRiver gauge, River Trym 0.02 m Normal ±0 9.8 km
Ashton ValeRiver gauge, River Avon 0.94 m Normal ±0 9.8 km
Colliters BrookRiver gauge 0.01 m Low ±0 10 km
Bristol Harbour Passage StreetRiver gauge, Bristol Frome 6.15 m Very low −0.01 m 11 km
Bristol Bedminster St Johns Lane UpstreamRiver gauge, River Avon 0.34 m Normal +0.01 m 11 km

Questions and answers

Is Avonmouth Portbury really −1.73 m deep?

No. −1.73 m is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Avonmouth Portbury today?

On 19 Oct 2026, 18:30 BST, the surface elevation was −1.73 m. Up 0.40 m over the last 24 hours.

Is Avonmouth Portbury rising or falling?

Up 0.40 m over the last 24 hours. Down 1.66 m over the last 7 days.

Is the level of Avonmouth Portbury normal?

The agency publishes no normal range for this gauge yet, so we show the trend only.

What is the highest water level ever recorded at Avonmouth Portbury?

The highest level on record is 8.63 m on January 3, 2014.

How often is this data updated?

The Environment Agency publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the Environment Agency, the official operator of this gauge, and are published under the Open Government Licence v3.0. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment Agency
Station code
ea:E72639 (Agency page)
Coordinates
51.49999, -2.72847 (WGS84)
Vertical datum
ODN
Update interval
every 15 minutes
Licence
Open Government Licence v3.0. Contains Environment Agency data licensed under the Open Government Licence v3.0

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation −1.73 m 2026-10-19 17:30 Provisional

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How to cite

Environment Agency: Avonmouth Portbury (ea:E72639). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/bristol/avonmouth-portbury

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.