But they are not the only two events on this weekend.
Other highlights tomorrow are the Ocean Swim Series, Legend of the Lake at Tikitapu (Blue Lake) and the Kiwanis Teddy Bears Picnic in Kuirau Park while Art in the Park is well worth a stroll on Sunday, as is the weekly Farmer's Market.
Team leader at iSite Rotorua Chelsea Jackson said accommodation was sitting at around 95 per cent capacity.
"There's obviously lots of events in town so we're looking forward to a busy weekend. We've been really busy for the last couple of weeks, possibly due to the weather.
"We've been dealing with mostly internationals for the past couple of days but I'm sure we'll get more of the domestic market coming through Friday/Saturday," Jackson said.
Rotorua police Senior Sergeant Brendan Keenan said police would be treating the Lakeside event essentially like New Year's Eve.
"We've got quite a lot of resources going into Lakeside across all our different work groups; we'll be doing routine patrols and taking a lot of preventative measures to ensure that it remains a peaceful night in Rotorua," Keenan said.
Keenan was aware of concerns about the potential mix of young people and alcohol.
"We are also obviously mindful of the spillover from the Warriors game - we will have a bit of a presence there, but a lot of resources have gone into this weekend to ensure a good night," Keenan said.
Destination Rotorua consumer marketing manager, Tom Worsp, said the Famously Rotorua marketing campaign had worked hard to change perceptions about Rotorua and encourage New Zealanders to visit more often.
"Having an amazing calendar of events has contributed to the Rotorua visitor economy growing from $751 million year ended December 2016 to $806m for the year ended December 2017 which is fantastic for Rotorua," Worsp said.
"It's fantastic to see new events like Crankworx, Ocean Swim Series, Summer Seafood Festival and Flochella come to Rotorua and fit into the events calendar alongside already well-established and successful events."
"Having events like these not only attract domestic visitors from out of town but have a positive effect on the vibrancy and people's perception of the destination."
WHAT'S ON
Vodafone Warriors vs Melbourne Storm
Saturday 3pm
Rotorua International Stadium
Ocean Swim Series
Saturday
Tikitapu (Blue Lake)
Rotorua Lakeside Concert
Saturday 7pm
Village Green
Kiwanis Teddy Bears Picnic
Saturday 11am - 1.30pm
Kuirau Park
Art in the Park 2018
Sunday 10am-4pm
The Arts Village
Rotorua Farmers Market
Every Sunday 9am
