NSW nurses and midwives have voted to accept a 3 per cent interim wage increase offer with improvements to working conditions, but they say it is "not the end" of their dispute with the state government.

The interim offer will be back paid to July 1, plus 0.5 per cent in superannuation following years-long industrial action.

Public sector nurses and midwives will also see night shift penalty rates lifted from 15 per cent to 20 per cent, as well as a guarantee of two consecutive days off and no changes made to rosters without consultation.

Workers will also be free from night shifts if they have annual leave booked, unless requested.

Health Minister Ryan Park said around 56,000 healthcare workers across the state would benefit.

"We've been working with them [NSW Nurses and Midwives' As

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