Update: NIAS999 is expecting 'an increase in the number of less urgent calls' to 999 during the warmer weather.
With the improved weather seeing more people heading to Northern Ireland's coastline, emergency services are asking people to take proper precautions.
"When you get to the coast have a look at what the wind is doing, if there's a flag flying there you'll be able to see it fluttering and know the wind direction," he said.Mr Johnson says with a "little bit of forethought" people can stay safe and enjoy the water UV levels will also be very high for both Sunday and Monday - so cover up or put on a sunscreen and keep hydrated if you are going to but out in the sun for any length of time.
It is for extreme heat and covers an area including London, Manchester and York on Monday and Tuesday.
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