Estuary detail

Below is an interactive map and a table of parameters derived through various sources – Nature Conservancy Council (Davidson et al, 1991), EMPHASYS (2000c), Dyer (2002) in Futurecoast, Townend (2005), ABPmer (2024) and ABPmer (2025). The data is indicative of recently determined bulk properties suitable for broadscale intercomparison of estuaries.

Alternatively take a look in the viewer.

Estuaries Database Viewer View in Estuaries Database Viewer
Estuary ID 20 
JNCC ID 97 
Name of estuary Wear Estuary 
Alternative name  
Grid reference NZ395585  
WFD water body ID GB510302402900 
WFD water body name Wear 
MAGIC URL link MAGIC link 1 
Latitude 54.91046082 
Longitude -1.37228481 
JNCC classification Complex  
Updated classification Ria   read more on estuary classification..
Tidal classification Macrotidal  
Spring tidal range (m) 4.4  
Mean High Water Springs (mODN) 2.58 
Mean Low Water Springs (mODN) -1.82 
Mean Tide Level (mODN) 0.42 
Mean river flow (m3/s) 11.29 
Low river flow (m3/s) 2.77  
High river flow (m3/s) 30.48 
Name of furthest downstream flow gauge Chester Le Street  
DEFRA Hydrology Gauge Data Explorer URL link DEFRA Hydrology Gauge link    
Area of basin (Ha) 200.4  
Intertidal area (Ha) 30  
Shoreline length (km) 37.6  
Channel length (km) 17  
Mouth width (m) 200  
Valley width (m) 900  
Volume at mean tide level (m3) 5350000  
Surface area at mean tide level (m2) 1900000  
CSA at mean tide level (m2) 924  
Volume at low water (m3) 1780000  
Surface area at low water (m2) 1230000  
CSA at low water (m2) 591 
Volume at high water (m3) 9440000 
Surface area at high water (m2) 2090000 
CSA at high water (m2) 1412 
Volume of tidal prism (m3) 7660000 
Dronkers' gamma (nondim) 5.75 
Storage volume over intertidal (m3) 2240000 
Channel volume to MTL (m3) 7200000 
Ratio of storage volume to channel volume (nondim) 0.31 
Hydraulic depth at MTL (m) 2.8 
DEFRA Catchment Data Explorer URL link DEFRA Catchment link   
Estuary template download link  

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Last Modified on: 20 June 2025
Printed from the Estuary Guide on 29/10/2026 02:15:32