Derwent catchment
• Mowthorpe Weir Head • North Yorkshire • ID: L2711 • Level
(35m ago) • 4 readings/hr • 156 views
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You'll be notified when this gauge is rising more than 0.10 m/hr — a sign of rapidly increasing water levels.
You'll be notified when a new storm-overflow (sewage) discharge starts within ~3 km of this gauge, based on the water companies' near-real-time feeds.
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EA/SEPA/NRW data and are best-efforts. Terms
High tides are expected to cause flooding today.
Flooding is expected from 15:00 to 20:30 on 25/10/2026.
This is due to high tides, strong winds and large waves.
Flooding at the coast and overtopping waves is possible in the coming days due to strong winds associated with storm Bolelo and high astronomical tides. Locations most affected will be coastal roads, footpaths and foreshore areas.
We are closely monitoring the situation
Avoid coastal roads, footpaths and carparks, which may be flooded. stay away from promenades where wave and spray overtopping is possible
This message will be updated by 6:00PM on Sunday 25 October or as the situation changes.
High tides are expected to cause flooding today.
Flooding is expected from 15:00 to 21:00 on 25/10/2026.
Flooding at the coast and overtopping waves is possible in the coming days due to strong winds associated with storm Bolelo and high astronomical tides. Locations most affected will be coastal roads, footpaths and foreshore areas.
We are closely monitoring the situation .
Avoid coastal roads, footpaths and carparks, which may be flooded. stay away from promenades where wave and spray overtopping is possible.
This message will be updated by 6:00PM on Sunday 25 October or as the situation changes.
High tides today may lead to flooding.
Flooding is possible from 15:00hrs to 21:00hrs on 25/10/2026.
This is due to high tides, strong winds and large waves. Flooding at the coast and overtopping waves is possible in the coming days due to strong winds associated with storm Bolelo and high astronomical tides. Locations most affected will be coastal roads, footpaths and foreshore areas.
We are closely monitoring the situation and may issue flood warnings.
Avoid coastal roads, footpaths and carparks, which may be flooded. stay away from promenades where wave and spray overtopping is possible
This message will be updated by 10:00PM on Sunday 25 October or as the situation changes.
Flood predictions aren't generated for
lock / structure gauges —
their levels are driven by gate operation,
not by catchment rainfall, so the forecast models would have no skill here.
None of the storm overflows FloodRadar holds is traced upstream of this gauge on the mapped river network. That is not the same as none: the map leaves out many small streams and culverts, so an overflow it cannot place may still drain here, and not every company publishes every overflow. Those nearby are listed below.
Nearby, connection not known
Within 6 km in a straight line, but the river map cannot say whether their water passes this gauge.
Yorkshire Water · into Burniston Beck · 6.0 km away in a straight line · not connected to this gauge on the river map
21 spills · 60 hours in 2025
Not discharging now · last
2 other overflows within 6 km are downstream of this gauge or on another branch of the river network, so they are not listed.
These are the water companies' monitor statuses; a spill does not by itself explain a change in the gauge level. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels. Sewage & storm overflows →
Warnings apply to a whole flood area, not necessarily this exact spot. Years before 2006 aren't covered by the EA's historic record.
See also the Mowthorpe Weir Head flood history.
Flood areas linked to this gauge
Flood warnings and alerts are issued for whole areas. These are the 7 areas linked to this gauge, nearest first.
Is the River Derwent at Mowthorpe Weir Head flooding today?
The current level is 41.49mAOD, which is within the typical range of 41.23 to 42.90mAOD. Flooding is unlikely at this level.
Is the river level rising or falling at Mowthorpe Weir Head?
Based on the most recent readings, the level is currently falling slightly. The chart above shows the last 12 hours of measurements by default (up to 7 days), updated roughly every 15 minutes.
What is a normal level for the River Derwent at Mowthorpe Weir Head?
The typical range at this station is 41.23mAOD to 42.90mAOD, based on Environment Agency historical data. Levels above 42.90mAOD are higher than usually seen and may indicate a flood risk.
How often is this river level data updated?
Readings are supplied by the Environment Agency gauge. FloodRadar checks for updates roughly every 15 minutes; the timestamp above shows how recent the latest available reading is.
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Postcodes within 5 km with properties in the Environment Agency’s rivers-and-sea flood-risk bands:
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