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Conditions are worth watching: the Environment Agency has a Flood Alert in force for Hunstanton coast in Norfolk — flooding is possible from 16:45am to 20:15am on Friday 9th October. Flooding is possible — be prepared and keep an eye on updates.
Updated 2026-10-09 18:46:36 UTC · Official GOV.UK warnings · Flood preparation & help guide
King's Lynn, known until 1537 as Bishop's Lynn and colloquially as Lynn, is a port and market town in the borough of King's Lynn and West Norfolk in the county of Norfolk, England. It is 36 miles (58 km) north-east of Peterborough, 44 miles (71 km) north-north-east of Cambridge, 44 miles (71 km) west of Norwich, and about 5 miles inland from The Wash estuary. In 2021 it had a population of 47,610.
Towns and villages near Kings Lynn with a page of their own: the homes in a flood risk area there, the nearest river gauges, and recorded floods.
Clenchwarton · Wiggenhall St Germans · Terrington St Clement · Tilney St Lawrence · Terrington St John · Walpole St Peter
Place names: Contains OS data © Crown copyright and database rights 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Contains National Statistics data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.
The nearest watercourse on the river map is the River Great Ouse (Eau Brink Cut) (tidal here), about 50 m from the middle of Kings Lynn's gauges.
A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on the River Great Ouse (Eau Brink Cut) nearest the middle of Kings Lynn's gauges. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.
Kings Lynn is monitored by 1 Environment Agency river level station on the River Great Ouse, in Norfolk. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.
The River Great Ouse is monitored by 1 station (Freebridge). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.
There are 8 Environment Agency flood warning areas within 10km of Kings Lynn. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: Saddlebow, South Lynn, and Nelson Street, Queen Street, King Street, Central Road and Estuary Road in Kings Lynn; Clenchwarton Road, Poppyfields, St Peter's Road, St Peter's Close, Hare Road, Sculthorpe Avenue, Ferry Road and Fox's Lane in West Lynn; Highgate, North End, North Lynn, South Wootton, Gaywood, Fairstead and Hardwick in Kings Lynn; Admiralty Point, Terrington St Clement, Clenchwarton, Tilney All Saints, Tilney High End, Walpole Cross Keys and Eau Brink.
There are 18 storm overflows within 5km of Kings Lynn. None of the 17 with a reporting monitor are currently discharging (1 has no live status right now). Enable "Sewage" on the map above to see their locations.
6 of them, nearest first, with their own page of live status and past discharges:
If flooding is forecast in Kings Lynn, call Floodline on 0345 988 1188 for the latest information. Move valuables upstairs, turn off gas and electricity if safe to do so, and avoid walking or driving through flood water. Sign up for flood warnings on any station page above to receive email alerts when water levels rise. For emergency numbers, a preparation checklist and insurance guidance, see our flood help & preparation guide.
Kings Lynn gets about 634 mm of rain a year on average (wettest month July, 61 mm; driest March, 39 mm). That is 45% drier than the UK as a whole, which averages 1,163 mm a year. See the rain gauges →
A thirty-year average for the area, not a forecast and not a flood risk on its own. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 1.8 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of the town centre — most recent first. These are records of mapped extents, not a full list of floods. See them on the map →
Records, not floods: no outline on the record is not evidence a place has not flooded.
Current verdict: Watch. Conditions are worth watching: the Environment Agency has a Flood Alert in force for Hunstanton coast in Norfolk — flooding is possible from 16:45am to 20:15am on Friday 9th October. Flooding is possible — be prepared and keep an eye on updates.
Kings Lynn has river level monitoring on River Great Ouse — 1 monitoring station in total.
Use the GOV.UK Check for Flooding service (check-for-flooding.service.gov.uk) or call Floodline on 0345 988 1188 (24 hours). You can also set up free FloodRadar email or browser alerts from any station page above.
Follow official advice: move valuables and vehicles to safety, never walk or drive through flood water, turn off gas and electricity if safe, and check on vulnerable neighbours. See our flood preparation guide at floodradar.co.uk/flood-help.
Yes — the Environment Agency's Recorded Flood Outlines dataset shows 2 recorded flood extents around the town centre since 1703, most recently in 1978. That is a count of mapped extents, not of separate floods. Records, not floods: no outline on the record is not evidence a place has not flooded. See the flood history link below.
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