With its track record as a high-risk period for drownings, swimmers and boaters are urged to be responsible around water during Easter.
Surf lifesavers are on standby for what will be a busy period on local beaches.
During the last three surf seasons, NSW has averaged a coastal drowning every 8.9 days, while the Easter long weekend rises to a drowning every two days.
The period, Good Friday to Easter Monday, accounts for about five per cent of total drownings for the season.
Volunteer surf lifesavers perform between 300 and 500 rescues on average during Easter while callouts to emergency services also spikes significantly.
With many people expected to pack beaches along this coast this weekend, Surf Life Saving NSW CEO Steven Pearce wants everyone to be cautious.
"Lifesavers and lifeguards will be out in force this Easter and Anzac Day period but we need the public to also take responsibility for their own safety," Mr Pearce said.
"If you're heading to the beach over Easter please take care. Only swim at a patrolled location, check the weather and tide forecasts and wear the correct safety gear including a lifejacket in you're fishing from rocks or boating."
Above average temperatures are expected across most of the NSW coast.
According to the Bureau of Meteorology, there is a high chance of rain and thunderstorms on Good Friday in the Manning.
This will continue on Easter Saturday, with the chance of a thunderstorm becoming less likely in the evening. Conditions will ease on Easter Sunday and Easter Monday, with minimal rain expected. Temperatures across the weekend will sit in the mid 20s.
The volunteer surf life saving season ends on Sunday, April 28.
Meanwhile, boaters are urged to use the free Marine Rescue NSW app when out on the water.
The app is a fast and efficient way to log in and off with local units.
Marine Rescue NSW deputy commissioner Dean Storey outlined the benefits of the app.
"It's a great tool for boaters to indicate where they are heading, when they expect to return, how many people are on board and their contact details," Mr Storey said.
"Logging on and logging off with MRNSW saves lives on the water. A search can quickly be mounted for overdue boaters."
Almost 9000 skippers have logged on with the app since the October long weekend last year.
"When boaters choose the app's safety tracking option, their position is updated every 30 minutes," Mr Storey said.
"It gives our professionally trained volunteers a last known position, if a search has to be organised."
The app can be downloaded on the App Store for Apple devices or Google Play for Androids.
In the last six months, volunteer crews completed about 1700 rescue missions across the State. More than 460 of these were life threatening emergencies.
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