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OCEAN SCIENCE / SOURCE-AWARE DATA

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Compare observations, model forecasts and satellite estimates with their dates, units and source coverage intact.

Station observations and official alerts

England coastal levels and flood alerts

Tidal-level measurements and active river/coastal flood alerts in England. Units and local datums stay separate. Station samples can arrive late in batches.

Data times: 2026-09-08 00:00:00 UTC to 2026-09-12 11:45:00 UTC

Retrieved: 2026-09-12 12:29:33 UTC

Background collection interval: 15 minutes. Individual observation dates can be older.

Provider refresh failed; retained values may be old.. Retained data may be stale.

79 readings match. Dates below are observation or satellite-product times.

Water Level · all sampled locations
LocationTime UTCValue / unitQuality / context
Lowestoft52.473°, 1.750°2026-09-12 11:45:00 UTC0.455 mAODstatusActiveTidal Level · E70039
Lowestoft52.473°, 1.750°2026-09-12 11:45:00 UTC1.955 mUnknown station statusTidal Level · E70024
Sheerness51.446°, 0.743°2026-09-12 11:45:00 UTC1.959 mAODstatusActiveTidal Level · E71539
Sheerness51.446°, 0.743°2026-09-12 11:45:00 UTC4.859 mUnknown station statusTidal Level · E71524
Bournemouth50.714°, -1.875°2026-09-12 11:45:00 UTC0.265 mAODstatusActiveTidal Level · E71939
Bournemouth50.714°, -1.875°2026-09-12 11:45:00 UTC1.665 mUnknown station statusTidal Level · E71924
Cromer52.934°, 1.302°2026-09-12 11:45:00 UTC-1.326 mAODstatusActiveTidal Level · E71239
Cromer52.934°, 1.302°2026-09-12 11:45:00 UTC1.474 mUnknown station statusTidal Level · E71224
Weymouth50.609°, -2.448°2026-09-12 11:45:00 UTC-0.65 mAODstatusActiveTidal Level · E72039
Weymouth50.608°, -2.448°2026-09-12 11:45:00 UTC0.28 mUnknown station statusTidal Level · E72024
Dover51.114°, 1.323°2026-09-12 11:45:00 UTC3.362 mAODstatusActiveTidal Level · E71639
Dover51.114°, 1.322°2026-09-12 11:45:00 UTC7.032 mUnknown station statusTidal Level · E71624
Heysham54.032°, -2.920°2026-09-12 11:45:00 UTC5.382 mAODstatusActiveTidal Level · E73439
Ilfracombe51.211°, -4.112°2026-09-12 11:45:00 UTC-3.792 mAODstatusActiveTidal Level · E72439
Ilfracombe51.211°, -4.112°2026-09-12 11:45:00 UTC1.008 mUnknown station statusTidal Level · E72424
North Shields55.007°, -1.440°2026-09-12 11:45:00 UTC-1.688 mAODstatusActiveTidal Level · E70939
North Shields55.007°, -1.440°2026-09-12 11:45:00 UTC0.912 mUnknown station statusTidal Level · E70924
Plymouth50.368°, -4.185°2026-09-12 11:45:00 UTC-2.184 mAODstatusActiveTidal Level · E72139
Plymouth50.368°, -4.185°2026-09-12 11:45:00 UTC1.036 mUnknown station statusTidal Level · E72124
Newhaven50.782°, 0.057°2026-09-12 11:45:00 UTC3.392 mAODstatusActiveTidal Level · E71739
Newhaven50.782°, 0.057°2026-09-12 11:45:00 UTC6.912 mUnknown station statusTidal Level · E71724
Whitby54.490°, -0.615°2026-09-12 11:45:00 UTC-2.154 mAODstatusActiveTidal Level · E71039
Whitby54.490°, -0.615°2026-09-12 11:45:00 UTC0.846 mUnknown station statusTidal Level · E71024
Harwich51.948°, 1.292°2026-09-12 11:45:00 UTC1.832 mAODstatusActiveTidal Level · E71439
Harwich51.948°, 1.292°2026-09-12 11:45:00 UTC3.842 mUnknown station statusTidal Level · E71424
Newlyn50.103°, -5.543°2026-09-12 11:45:00 UTC-2.234 mAODstatusActiveTidal Level · E72239
Newlyn50.103°, -5.543°2026-09-12 11:45:00 UTC0.816 mUnknown station statusTidal Level · E72224
Portsmouth50.802°, -1.111°2026-09-12 11:45:00 UTC2.092 mAODUnknown station statusTidal Level · E71839
Portsmouth50.802°, -1.111°2026-09-12 11:45:00 UTC4.822 mUnknown station statusTidal Level · E71824
Immingham53.630°, -0.187°2026-09-12 11:45:00 UTC-2.629 mAODstatusActiveTidal Level · E71139
Immingham53.630°, -0.188°2026-09-12 11:45:00 UTC1.271 mUnknown station statusTidal Level · E71124
Portrush55.201°, -6.651°2026-09-12 11:45:00 UTC-0.581 mAODUnknown station statusTidal Level · E73939
Portrush55.201°, -6.651°2026-09-12 11:45:00 UTC0.659 mUnknown station statusTidal Level · E73924
Leith55.990°, -3.182°2026-09-12 11:45:00 UTC2.684 mUnknown station statusTidal Level · E70824
Leith55.990°, -3.182°2026-09-12 11:45:00 UTC-0.216 mAODUnknown station statusTidal Level · E70839
Aberdeen57.144°, -2.080°2026-09-12 11:45:00 UTC0.946 mAODUnknown station statusTidal Level · E70739
Aberdeen57.144°, -2.080°2026-09-12 11:45:00 UTC3.196 mUnknown station statusTidal Level · E70724
Bangor54.665°, -5.670°2026-09-12 11:45:00 UTC1.62 mAODUnknown station statusTidal Level · E73839
Bangor54.665°, -5.670°2026-09-12 11:45:00 UTC3.63 mUnknown station statusTidal Level · E73824
Wick58.441°, -3.086°2026-09-12 11:45:00 UTC3.717 mUnknown station statusTidal Level · E70624
Wick58.441°, -3.086°2026-09-12 11:45:00 UTC2.007 mAODUnknown station statusTidal Level · E70639
Port Erin54.085°, -4.768°2026-09-12 11:45:00 UTC5.552 mUnknown station statusTidal Level · E73524
Port Erin54.085°, -4.768°2026-09-12 11:45:00 UTC2.802 mAODUnknown station statusTidal Level · E73539
Kinlochbervie58.457°, -5.050°2026-09-12 11:45:00 UTC-0.008 mAODUnknown station statusTidal Level · E70339
Kinlochbervie58.457°, -5.050°2026-09-12 11:45:00 UTC2.492 mUnknown station statusTidal Level · E70324
Tobermory56.623°, -6.064°2026-09-12 11:45:00 UTC1.06 mUnknown station statusTidal Level · E74224
Tobermory56.623°, -6.064°2026-09-12 11:45:00 UTC-1.33 mAODUnknown station statusTidal Level · E74239
Lerwick60.154°, -1.140°2026-09-12 11:45:00 UTC2.328 mUnknown station statusTidal Level · E74424
Lerwick60.154°, -1.140°2026-09-12 11:45:00 UTC1.108 mAODUnknown station statusTidal Level · E74439
Avonmouth Portbury51.500°, -2.728°2026-09-12 11:30:00 UTC-0.272 mAODstatusActiveTidal Level · E72639
Page 1 of 2

Reported flood alerts and warnings

These include inland river alerts. Use the official service for current advice; this is research context.

Warning no longer in forceChristchurch Harbour

There is no longer a threat of flooding, though standing water and debris may still remain.  We do not expect to see similar impacts from the next high tide.   We will continue to monitor the situation and will issue further alerts or warnings if necessary.   Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger. Never drive through flood water, just 30cm of fast flowing water is enough to move your car.  

Message updated 2026-09-12 07:26:00 UTC · Official flood information

Warning no longer in forceTidal Thames riverside from Putney Bridge to Teddington Weir

There is no longer a threat of flooding, though standing water and debris may still remain.  Weather conditions are expected to improve and no further flooding is expected.   We will continue to monitor the situation and will issue further alerts or warnings if necessary.   Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger. Never drive through flood water, just 30cm of fast flowing water is enough to move your car.

Message updated 2026-09-12 08:29:00 UTC · Official flood information

Flood alertHunstanton coast in Norfolk

High tides tomorrow morning may lead to flooding.  Flooding is possible from 06:00am to 10:00am on Sunday 13 September 2026.  Areas most at risk are around Hunstanton seafront. Flood gates in the area will be closed by the Local Authority which will make access difficult. The detailed forecast is for a peak level at King's Lynn of 4.67mAODN at 08:15am on 13 September, Wind Force 3, Westerly. The current series of high spring tides has now reached its peak and will fall away over the next few days.  We are closely monitoring the situation .  Avoid beaches and coastal promenades, which may be flooded .  This message will be updated by 11:00AM on 13 September 2026 or as the situation changes.

Message updated 2026-09-12 10:17:00 UTC · Official flood information

Flood alertSomerset coast at Porlock Weir

High tides tomorrow morning may lead to flooding.  Flooding is possible Around high tide  We are entering a sequence of Spring tides that may lead to flooding. Flooding is possible around 06:45 on Friday 11th September. Flooding is forecast to affect locations at Porlock Bay, with low lying land and roads expected to be most affected, particularly around the coastline between Gore Point and Hurlstone Point including Porlock Weir. The first high tide is at 06:45 on Friday with a peak height of 6.12m and a F4 north westerly wind. The second high tide is at 19:00 on Friday with a peak height of 6.37m and a F4 westerly wind  We are closely monitoring the situation .  Avoid coastal roads, footpaths and carparks, which may be flooded .  This message will be updated by 12:19PM on 10 September 2026 or as the situation changes.

Message updated 2026-09-10 12:29:00 UTC · Official flood information

Flood alertCoast at North Morecambe Bay

High tides today may lead to flooding. Flooding is possible from 10:45 to 14:45, today Saturday 12 September 2026, peaking at 12:45. Areas most at risk lie within the Sandside area of North Morecambe Bay. Locations most affected will be coastal roads and footpaths. We are closely monitoring the situation. Avoid beaches and coastal promenades, which may be flooded. Do not drive through flood water or put yourself or others at risk. The following tide, Saturday night, is also forecast to exceed the Flood Alert threshold. This message will be updated by 17:00 today, Saturday 12 September 2026, or as the situation changes.

Message updated 2026-09-12 08:20:00 UTC · Official flood information

Flood alertTyne estuary

High tides on Sunday may lead to flooding.  Flooding is possible between 4.30am - 5.45am on Sunday 13 September  The location most likely to be affected is Newcastle Quayside, particularly the area around the Swing Bridge.  We are closely monitoring the situation .  Avoid low lying roads near rivers, which may be flooded . Stay out of any flood water.  This message will be updated by 10:00AM on 13 September 2026 or as the situation changes.

Message updated 2026-09-12 08:47:00 UTC · Official flood information

Warning no longer in forceNorth Sea coast at Withernsea, Easington and Kilnsea

There is no longer a threat of flooding, though standing water and debris may still remain. Coastal conditions are expected to improve and no flooding is expected. We will continue to monitor the situation and will issue further alerts or warnings if necessary. If you have been evacuated only return to your property once the emergency services have advised that it is safe to do so. Never drive through flood water, just 30cm of fast flowing water is enough to move your car.

Message updated 2026-09-12 10:47:00 UTC · Official flood information

Flood alertTidal River Avon at Bristol, Pill and Shirehampton

High tides over the next two days may lead to flooding.  Flooding is possible from 7:30PM to 9:30PM on 11/09, from 08:00am to 10:00am and from 08:00PM to 10:00PM on 12/09.  Areas most at risk include the tidal River Avon from Sea Mills to Conham in Bristol and between the Avonmouth Bridge and Shirehampton Park including Pill and Shirehampton. The detailed tidal forecast for those who use it is for a peak level at Avonmouth Portbury. The first forecast high water of 7.42 mAODN is at 8:30PM 11/09, which is 0.14 m above tide tables, with Westerly force 4 winds. The second forecast high water is at 09:00AM 12/09 with a level of 7.4 mAODN with South-Westerly force 5 winds. (mAODN is height above average sea level.)  We are closely monitoring the situation .  Take care and avoid walking, cycling or driving through flood water .  This message will be updated by 1:35PM on 12 September 2026 or as the situation changes.

Message updated 2026-09-11 13:41:00 UTC · Official flood information

Flood alertWyre estuary from Fleetwood and Knott End to Little Eccleston

Flooding is possible from 12:30pm on 12/09/2026. The flood alert threshold for Hambleton is forecast to be reached for today's midday and midnight tides. We are closely monitoring the situation. Avoid coastal roads, footpaths and carparks, which may be flooded. This message will be updated by 6:00pm on 12 September 2026 or as the situation changes.

Message updated 2026-09-12 07:34:00 UTC · Official flood information

Warning no longer in forceHumber estuary from Spurn Point to Winestead Outfall

There is no longer a threat of flooding, though standing water and debris may still remain. Coastal conditions are expected to improve and no flooding is expected. We will continue to monitor the situation and will issue further alerts or warnings if necessary. If you have been evacuated only return to your property once the emergency services have advised that it is safe to do so. Never drive through flood water, just 30cm of fast flowing water is enough to move your car.

Message updated 2026-09-12 10:51:00 UTC · Official flood information

Warning no longer in forceThe tidal Deben estuary

There is no longer a threat of flooding, though standing water and debris may still remain.  We do not expect to see similar impacts from the next high tide.   We will continue to monitor the situation and will issue further alerts or warnings if necessary.   Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger. Never drive through flood water, just 30cm of fast flowing water is enough to move your car.  

Message updated 2026-09-12 08:49:00 UTC · Official flood information

Warning no longer in forceThe Suffolk and Essex coast from Felixstowe to Clacton including Orwell and Stour estuaries

There is no longer a threat of flooding, though standing water and debris may still remain.  We do not expect to see similar impacts from the next high tide.   We will continue to monitor the situation and will issue further alerts or warnings if necessary.   Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger. Never drive through flood water, just 30cm of fast flowing water is enough to move your car.  

Message updated 2026-09-12 08:52:00 UTC · Official flood information

Warning no longer in forceThe Essex coast from Clacton to and including, St Peters Flat and the Colne and Blackwater estuaries

There is no longer a threat of flooding, though standing water and debris may still remain.  We do not expect to see similar impacts from the next high tide.   We will continue to monitor the situation and will issue further alerts or warnings if necessary.   Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger. Never drive through flood water, just 30cm of fast flowing water is enough to move your car.  

Message updated 2026-09-12 08:57:00 UTC · Official flood information

Warning no longer in forceThe Essex coast at Coalhouse Fort

There is no longer a threat of flooding, though standing water and debris may still remain.  We do not expect to see similar impacts from the next high tide.   We will continue to monitor the situation and will issue further alerts or warnings if necessary.   Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger. Never drive through flood water, just 30cm of fast flowing water is enough to move your car.  

Message updated 2026-09-12 08:55:00 UTC · Official flood information