Sydney Harbour, passing Circular Quay, 17 March 2018.
Vessel at 33°51'17.26" S 151°12'49.87" E

Wikipedia data:
Name: OPV Nemesis
Operator: New South Wales Police Force
Builder: Tenix Defence/BAE Systems Australia, Fremantle, Western Australia
Acquired: June 2008
Homeport: Sydney
Identification: IMO number: 9465875
Displacement: 104 tonnes
Length: 32 m (105 ft)
Propulsion: 2 x 1,825hp CAT 12V C32 ACERT diesel
Speed: 27 knots (50 km/h; 31 mph)
Range: 1,400 nautical miles (2,600 km; 1,600 mi)
Complement: Accommodation for up to 10
Armament: Standard police issue firearms
Notes: Carries 6.4 m (21 ft) rigid hull boarding craft