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 52 
JNCC ID 133 
Name of estuary Lymington Estuary 
Alternative name  
Grid reference SZ335955  
WFD water body ID GB520704202100 
WFD water body name Lymington 
MAGIC URL link MAGIC link 1 
Latitude 50.75383068 
Longitude -1.52645634 
JNCC classification Coastal Plain  
Updated classification Spit Enclosed   read more on estuary classification..
Tidal classification Mesotidal  
Spring tidal range (m) 2.4  
Mean High Water Springs (mODN) 1.12 
Mean Low Water Springs (mODN) -1.28 
Mean Tide Level (mODN) 0.11 
Mean river flow (m3/s) 15 
Low river flow (m3/s)  
High river flow (m3/s)  
Name of furthest downstream flow gauge Brockenhurst  
DEFRA Hydrology Gauge Data Explorer URL link DEFRA Hydrology Gauge link    
Area of basin (Ha) 1366.5  
Intertidal area (Ha) 589  
Shoreline length (km) 18.1  
Channel length (km) 4.2  
Mouth width (m) 450  
Valley width (m) 450  
Volume at mean tide level (m3) 1860000  
Surface area at mean tide level (m2) 1260000  
CSA at mean tide level (m2) 1787  
Volume at low water (m3) 690000  
Surface area at low water (m2) 433000  
CSA at low water (m2) 699 
Volume at high water (m3) 3540000 
Surface area at high water (m2) 2030000 
CSA at high water (m2) 2875 
Volume of tidal prism (m3) 2850000 
Dronkers' gamma (nondim) 0.25 
Storage volume over intertidal (m3) 1810000 
Channel volume to MTL (m3) 1730000 
Ratio of storage volume to channel volume (nondim) 1.05 
Hydraulic depth at MTL (m) 1.5 
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 01/11/2026 02:36:15