Harwich water level

Name: Harwich water level (Environment Agency)
Creator: Environment Agency
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

Tidal gauge, Essex, United Kingdom

Directions

Latest reading

Water level

3.30m Up 0.51 m over the last 24 hours

Measured 18 Oct 2026, 05:15 BST (56 min ago)

History

7 days 30 days

Water level

What this means

Harwich reads 3.30 m as of 18 Oct 2026, 05:15 BST. 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 has risen 0.51 m over the past 24 hours. In the last month it has stayed between 0.39 m and 4.51 m.

Over the past seven days the change adds up to +1.96 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: 0.39 m – 4.51 m
Lowest and highest in 12 months: 2.09 m – 2.64 m

Weather at the gauge

Rain in the last 3 days: 1.6 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

18 Sun 13° 8° 15 mm, 97% Wind 25 km/h

19 Mon 15° 10° 1.1 mm, 100% Wind 15 km/h

20 Tue 14° 12° 4.0 mm, 46% Wind 21 km/h

21 Wed 13° 9° 4.1 mm, 47% Wind 21 km/h

22 Thu 14° 6° 2.5 mm, 36% Wind 21 km/h

23 Fri 13° 7° 37 mm, 73% Wind 39 km/h

24 Sat 11° 4° 0.1 mm, 54% Wind 28 km/h

Forecast: Open-Meteo

Sunrise 07:25 AM Sunset 05:57 PM Daylight 10 hr, 32 min First quarter 46%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
HarwichTidal gauge	1.29 m	No reference yet	+0.51 m	0.0 km
CloptonRiver gauge, River Lark	0.27 m	Normal	±0	21 km
LanghamRiver gauge, River Stour	0.25 m	Very low	±0	24 km
HadleighRiver gauge, River Brett	0.31 m	Normal	±0	26 km
BrandestonRiver gauge, River Deben	0.27 m	Normal	+0.01 m	27 km
PolsteadRiver gauge, River Box	0.11 m	Very low	±0	28 km
FarnhamRiver gauge, River Alde	0.09 m	Very low	±0	29 km
CreetingRiver gauge, Stonham Watercourse	0.22 m	High	±0	29 km

Questions and answers

What is the water level of Harwich today?

On 18 Oct 2026, 05:15 BST, the water level was 3.30 m. Up 0.51 m over the last 24 hours.

Is Harwich rising or falling?

Up 0.51 m over the last 24 hours. Up 1.96 m over the last 7 days.

Is the level of Harwich normal?

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

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:E71424
Coordinates: 51.94798, 1.29210 (WGS84)
Vertical datum: station datum
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

Parameter	Last value	Time (UTC)	Quality
Water level	3.30 m	2026-10-18 04:15	Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

<iframe src="https://nivelmap.com/embed/1858?lang=en" width="360" height="230" style="border:0;max-width:100%" loading="lazy" title="Harwich water level"></iframe>

How to cite

Environment Agency: Harwich (ea:E71424). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-kingdom/essex/harwich-e71424

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.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer