Meteorologist with weatherzone Graeme Brittain says modelling shows a higher chance of drier conditions than raining.

"It is early days but the maximum temperature for Christmas Day looks like being around the mid 20s," he said.

"The modelling suggests it is more likely to be sunny than overcast."

Mr Brittain said the lead-up to Christmas Day and the weekend looks slightly different.

There could be a few showers with the chance of a thunderstorm on Monday afternoon, he said.

"The rainfall will be concentrated further north around the Coffs Harbour area and on the ranges, but the Port Macquarie-Hastings is still a chance it could experience some storms.

"Tuesday looks like less chance of storms but a chance of a shower while there is even less chance of rainfall on Wednesday."

Monday's maximum temperature will climb to 28 degrees before hitting 29 degrees on Tuesday. Wednesday will see a slight dip to 28 degrees.

The minimum temperature is 19 degrees for the early part of the week.

"The maximum and minimum temperatures are around 2 to 3 degrees above the average for this time of the year," he said.

Thursday will be the hottest day of the week.

Hot air is being pushed across the Mid-North Coast by a low pressure trough pushing up from the south west.

This will see maximum temperatures in the low 30s on Thursday and into the mid 30s further inland.

There is also the risk of a shower on Thursday, but later in the day.

Friday will be quite humid with temperatures in the mid 20s but becoming milder into the weekend.

The biggest wave action will be Monday with a swell between 1 to 1.5 metres before easing into Tuesday and the remainder of the week.

Port Macquarie Lifeguard's Blake Polverino said Town and Flynns beaches were the pick for a swim today while Lighthouse Beach will have the best wave.

"We are likely to get a north east wind jump up and make conditions rough and choppy later in the day," he added.

Lifeguard supervisor James Turnham has praised Festival of the Sun-goers.

The three day festival ended on Sunday.

Mr Turnham said despite the poor water conditions, most festival goers obeyed lifeguard instructions and signage and remained a good distance from the dangerous breakwall rip currents.

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