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 21 
JNCC ID 98 
Name of estuary Tees Estuary 
Alternative name  
Grid reference NZ535265  
WFD water body ID GB510302509900 
WFD water body name Tees 
MAGIC URL link MAGIC link 1 
Latitude 54.63099529 
Longitude -1.15779374 
JNCC classification Coastal Plain  
Updated classification Spit Enclosed   read more on estuary classification..
Tidal classification Macrotidal  
Spring tidal range (m) 4.6  
Mean High Water Springs (mODN) 2.65 
Mean Low Water Springs (mODN) -1.95 
Mean Tide Level (mODN) 0.3 
Mean river flow (m3/s) 16.9 
Low river flow (m3/s) 2.64  
High river flow (m3/s) 42 
Name of furthest downstream flow gauge Broken Scar  
DEFRA Hydrology Gauge Data Explorer URL link DEFRA Hydrology Gauge link    
Area of basin (Ha) 1347.2  
Intertidal area (Ha) 470  
Shoreline length (km) 121.4  
Channel length (km) 38.4  
Mouth width (m) 1240  
Valley width (m) 2800  
Volume at mean tide level (m3) 66400000  
Surface area at mean tide level (m2) 9420000  
CSA at mean tide level (m2) 234  
Volume at low water (m3) 47800000  
Surface area at low water (m2) 6980000  
CSA at low water (m2)  
Volume at high water (m3) 90000000 
Surface area at high water (m2) 10700000 
CSA at high water (m2) 1976 
Volume of tidal prism (m3) 42200000 
Dronkers' gamma (nondim) 1 
Storage volume over intertidal (m3) 10100000 
Channel volume to MTL (m3) 79900000 
Ratio of storage volume to channel volume (nondim) 0.13 
Hydraulic depth at MTL (m) 7 
DEFRA Catchment Data Explorer URL link DEFRA Catchment link   
Estuary template download link  

Quick links

Last Modified on: 20 June 2025
Printed from the Estuary Guide on 01/11/2026 02:33:06