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The Essex coast from Clacton to and including, St Peters Flat and the Colne and Blackwater estuaries

The Essex coast from Clacton to St Peters Flat, including Jaywick, Brightlingsea, Mersea Island, Heybridge, Maldon and the Colne and Blackwater estuaries

Flood alert area North Sea Essex East Anglia

Flood Alert Active Warning

Raised: 26 Oct 2026 at 11:05am • Updated: 26 Oct 2026 at 11:05am
High tides today may lead to flooding.
Flooding is possible from 10:15am to 12:15pm Monday 26th October.
Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Mersea, and the Hythe and Promenade at Maldon may be flooded. The detailed forecast is for a peak level at Clacton of 3.12mAODN at 11:15am, on Monday 26th October, which is 0.58m above tide tables, Wind Force 6, Southerly. The next high tide tomorrow is not expected to be as high as Storm Boelo moves past us.
We are closing flood gates .
Avoid coastal roads, footpaths and carparks, which may be flooded.
This message will be updated by 10:00AM on Tuesday 27 October or as the situation changes.

Map

Nearby Monitoring Stations

Flood Event History (50)

26 Oct 2026 at 11:05am Flood Alert
High tides today may lead to flooding. Flooding is possible from 10:15am to 12:15pm Monday 26th October. Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Mersea, and the H...
25 Oct 2026 at 1:00pm Flood Alert
High tides this evening may lead to flooding.  Flooding is possible Flooding is possible from 10:00pm Sunday 25th October to 12:00am Monday 26th October.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road an...
14 Oct 2026 at 8:47am Flood Alert
There is no longer a threat of flooding. 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. Continue to take care on waterside roads and footpaths and don't put yourself in unne...
13 Oct 2026 at 3:41pm Flood Alert
High tides overnight may lead to flooding.  Flooding is possible from 1:30am to 3:30am on Wednesday 14th October.  Clacton Promenade, Lee-over-Sands, and the front at Brightlingsea may experience some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at W...
11 Oct 2026 at 3:52pm Flood Alert
There is no longer a threat of flooding. 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...
11 Oct 2026 at 8:36am Flood Alert
High tides today may lead to flooding. Flooding is possible from 12pm to 2pm on Sunday 11th October. Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Mersea, and the Hythe...
10 Oct 2026 at 4:16pm Flood Alert
High tides overnight may lead to flooding. Flooding is possible from 11:45pm on Saturday 10th October to 1:45am on Sunday 11th October. Clacton Promenade, Lee-over-Sands, and the front at Brightlingsea may experience some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car pa...
10 Oct 2026 at 8:12am Flood Alert
High tides today may lead to flooding. Flooding is possible from 11:15am to 1:15pm on Saturday 10th October. Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Mersea, and t...
9 Oct 2026 at 2:25pm Flood Alert
High tides overnight may lead to flooding.  Flooding is possible on consecutive tides from 11pm on Friday 9th October through to 1am on Saturday 10th October.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Ro...
29 Sep 2026 at 5:21pm Flood Alert
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.   Continue to take care on waters...
29 Sep 2026 at 8:49am Flood Alert
High tides this afternoon may lead to flooding.  Flooding is possible between 1.15pm and 3:15pm today, Tuesday 29th September.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at...
28 Sep 2026 at 5:53pm Flood Alert
High tides overnight may lead to flooding.  Flooding is possible from 12:00am to 2:00am tomorrow, Tuesday 29th September.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West...
28 Sep 2026 at 8:40am Flood Alert
High tides this afternoon may lead to flooding.  Flooding is possible between 12:30pm and 2:30pm today, Monday 28th September.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at...
27 Sep 2026 at 5:38pm Flood Alert
There is no longer a threat of flooding, though standing water and debris may still remain.  The previous tide of concern has now passed, the weather is more settled and no flooding is expected.   We will continue to monitor the situation and will issue further alerts or warnings if necessary.   C...
27 Sep 2026 at 10:06am Flood Alert
There is no longer a threat of flooding, though standing water and debris may still remain.  The previous tide of concern has now passed, the weather is more settled and no flooding is expected.   We will continue to monitor the situation and will issue further alerts or warnings if necessary.   ...
26 Sep 2026 at 2:43pm Flood Alert
High tides today may lead to flooding.  Flooding is possible Flooding is possible between 23:45pm Saturday 26 September and 1:45am tomorrow, Sunday 27 September.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast...
13 Sep 2026 at 4:13pm Flood Alert
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.   Continue to take care on waters...
13 Sep 2026 at 9:09am Flood Alert
High tides today may lead to flooding.  Flooding is possible between 12:45pm and 2:45pm today, Sunday 13th September.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Mer...
12 Sep 2026 at 8:57am Flood Alert
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 roa...
11 Sep 2026 at 3:13pm Flood Alert
High tides overnight may lead to flooding.  Flooding is possible between 12am and 2am overnight on Saturday 12th September.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at We...
11 Sep 2026 at 9:20am Flood Alert
High tides today may lead to flooding.  Flooding is possible between 11:45am and 1:45pm today, Friday 11th September.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Mer...
15 Aug 2026 at 4:10pm Flood Alert
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.   Continue to take care on waters...
15 Aug 2026 at 9:01am Flood Alert
High tides today may lead to flooding.  Flooding is possible between 1.30pm and 3.30pm today, Saturday 15th August.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Merse...
14 Aug 2026 at 4:00pm Flood Alert
High tides overnight may lead to flooding.  Flooding is possible between 1.15 am and 3.15 am tomorrow morning, Saturday 15th August.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the fr...
19 Jul 2026 at 9:11am Flood Alert
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...
18 Jul 2026 at 5:07pm Flood Alert
High tides overnight may lead to flooding. Flooding is possible between 2am and 4am tomorrow, Sunday 19 July. Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Mersea, an...
18 Jul 2026 at 10:19am Flood Alert
High tides this afternoon may lead to flooding. Flooding is possible between 2:30pm and 4:30pm today Saturday 18 July. Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Me...
17 Jul 2026 at 3:45pm Flood Alert
High tides overnight may lead to flooding.  Flooding is possible between 02:15am to 04:15am tomorrow morning, Saturday 18 July.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front a...
19 Apr 2026 at 10:38am Flood Alert
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.   Continue to take care on waters...
18 Apr 2026 at 3:16pm Flood Alert
High tides overnight may lead to flooding.  Flooding is possible between 12:30am and 2:30am tomorrow, Sunday 19 April.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Me...
23 Mar 2026 at 9:06am Flood Alert
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.   Continue to take care on waters...
22 Mar 2026 at 3:05pm Flood Alert
High tides overnight may lead to flooding.  Flooding is possible between 1:15am and 3:15am tomorrow, Monday 23 March.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Mer...
3 Mar 2026 at 3:35pm Flood Alert
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.   Continue to take care on waters...
3 Mar 2026 at 8:44am Flood Alert
High tides today may lead to flooding.  Flooding is possible Flooding is possible between 11:00am and 1:00pm today, Tuesday 3 March.  Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the fr...
17 Feb 2026 at 8:35am Flood Alert
1 Jan 2026 at 2:49pm Flood Alert
7 Dec 2025 at 9:59am Flood Alert
16 Nov 2025 at 1:21pm Flood Alert
8 Nov 2025 at 10:10am Flood Alert
7 Nov 2025 at 8:47am Flood Alert
6 Nov 2025 at 8:27am Flood Alert
5 Nov 2025 at 8:13am Flood Alert
4 Nov 2025 at 2:56pm Flood Alert
25 Oct 2025 at 9:19am Flood Alert
23 Oct 2025 at 3:14pm Flood Alert
22 Oct 2025 at 2:29pm Flood Alert
9 Oct 2025 at 9:02am Flood Alert
8 Oct 2025 at 3:50pm Flood Alert
8 Oct 2025 at 9:17am Flood Alert
7 Oct 2025 at 3:09pm Flood Alert

Related Flood Areas

Official sources for this area

This area on the Environment Agency’s flood service →
Floodline quick dial: 213660 — call 0345 988 1188 and give that code for a recorded update on this area.
Area code: 051WACDV4C

Live warnings and area boundaries are the Environment Agency’s and the EA is the authority on them. Contains public sector information licensed under the Open Government Licence v3.0. This area in the EA’s own data.