Removal of cargo and dive operations will continue today depending on weather.
Winds of about 15 knots were expected today, easing to light winds tomorrow morning and increasing to 20-25 knots on Wednesday. The sea was expected to remain around 1m through until Tuesday, before waves of at least 2m forecast for Wednesday and Thursday.
A water and air exclusion zone remains around and above the Rena for operational safety reasons.
There were four incursions into the zone over the weekend, which have been dealt with, the harbourmaster said.
Meanwhile, a clean-up team of 16 is working on Motiti Island this week with planning is being carried out for operations on the East Coast and Matakana Island.
Spill response team remain ready if more oil is released from Rena.
The last oil-affected birds were successfully released back into the wild on Friday.
Total waste collected remains at 1044 sq m.