Welcome to the Sussex heatAlert service

Sign up today for FREE heatwave alerts for East Sussex.

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This service operates between June and September every year. You can register for the service at any time throughout the year by visiting our Registration page.

What is heatAlert?

HeatAlert is a FREE service for the people of East Sussex that alerts you by text, voicemail or email when there are heatwaves or very hot temperatures forecast in your area. By providing advance warning of heatwaves there is time for you to plan and take preventative action.

The service runs annually from June to September.

You can register at any time to receive heatwave alerts.

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Heat Alert Forecasting


Heatwave and Summer preparedness - Conditions back to normal.

More about alert levels


Alert & Ready - Heatwave is forecast.

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Heatwave Action - temperature reached in one or more Met Office National Severe Weather Warning Service regions.

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Central government declares a Level 4 alert in the event of severe or prolonged heatwave affecting sectors other than health.

More about alert levels
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