North East Lincolnshire Council

Test Sirens in Grimsby

Environment Agency tests flood sirens in Grimsby and Cleethorpes

The Environment Agency is conducting its annual test of the flood sirens in Grimsby and Cleethorpes on Friday 23 August.

Installed in 2007, the 18 sirens help warn over 25,000 households and local businesses of imminent tidal flooding. The siren on the Willows Estate in Grimsby is used to warn residents about flooding from the New Cut Drain and the River Freshney, while the others warn of flooding from the Humber.

Testing will take place on Friday 23 August between 10am and 2pm.  If you hear the sirens during this time, you do not need to take any action. If flooding is expected on the day, the test will be rescheduled and flood warnings will be issued through the Environment Agency’s free Flood Warning System.

Environment Agency staff will be present together with representatives from North East Lincolnshire council at The Old Bus Station, Riverhead Square, Grimsby in the Incident Command Vehicle between 9am and 3pm on 23 August. They’ll be able to answer questions about the sirens and provide information about your own flood risk, including what steps you can take to prepare for an emergency.

The sirens in Grimsby and Cleethorpes are a secondary flood warning tool to the Environment Agency’s free Flood Warning Service, which provides targeted flooding warnings via phone call or text to mobile landlines or through email.

Greg Smith, Flood Resilience Team Leader with the Environment Agency, said:

“The flood sirens we own and operate in Grimsby and Cleethorpes help us warn over 25,000 households and local businesses. It’s important that we conduct these annual tests to make sure the sirens will work during an emergency.  I invite you to come and see me at the Old Bus Station to share your views on the Flood Sirens and ask me any questions around our Flood Warning Service.

“Our free Flood Warning Service provides as much notice as possible ahead of a potential flooding incident. While the sirens are a vital secondary flood warning tool, we encourage everyone to check their flood risk and sign up for flood warnings. You can sign up for our free, targeted flood warnings by calling 0345 988 1188 or by visiting

“Our flood defences reduce the risk of flooding to thousands of homes and businesses in Grimsby and Cleethorpes, but we cannot remove the risk of flooding entirely. This is why it is important that everyone plays their part to protect themselves from the risk of flooding.

Cllr Stewart Swinburn, Cabinet member for the environment at North East Lincolnshire Council, said: “On the flood siren testing day, council officers will be joining the Environment Agency in Freshney Place Shopping Centre to answer any questions on flood risk and how you can prepare. It’s really important that everyone knows what they need to do in the event of flooding.”

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