Officers will confiscate alcohol, nitrous oxide and other illegal substances where appropriate. Section 35 dispersal powers will also be used to move individuals away from the area if necessary.
A Public Space Protection Order (PSPO) covering the coastline from Sandbanks to Highcliffe allows police and council officers to address behaviours such as aggression, swearing, loud music, public urination and BBQs being lit between 07:00 and 18:00.
Fixed penalty notices of £100 may be issued to anyone believed to have breached the order, reduced to £75 if paid within 14 days.
BCP Council has urged visitors to park responsibly. During the previous heatwave weekend in June, more than 1,300 parking tickets were issued and 10 vehicles were towed.
A multi-agency control room will monitor CCTV to help manage crowds, reduce crime and support public safety.
The council will also be deploying Community Safety Accreditation Scheme officers to patrol particularly busy areas.
The authority said: “We continue to work closely with Dorset Police and alongside partner agencies to help manage the influx of visitors to ensure everyone has a good weekend.”