Rainfall data from the past month has shown massive rainfall totals throughout Hawke's Bay; with no area going unaffected by the past wet month.
Between 4pm on March 20 and 4pm on April 20 Wairoa received 298mm, Te Pohue 364.5mm, Napier 199.2mm, and Takapau 275.8mm.
With winter now on the way, Mr Mercer said his advice to residents was to "just enjoy a settled week".
Today some isolated coastal showers and areas of cloud were expected before clearing in the afternoon and becoming fine with light winds.
Tomorrow was expected to be a stellar day with light winds but mainly fine, Mr Mercer said, with a high of 20C.
A large low is expected to cross east over the North Island later in the week, followed by a front bringing rain.
Although Friday was expected to be fine, widespread scattered rain was forecast for Saturday.
There would also be northerlies, strong in exposed places, Mr Mercer said.
On Sunday a few showers were expected, but would clear. Northwesterlies were also forecast, with the week ending on a high of 21C.