During the strike, the hospital will continue to provide essential and urgent services including the emergency department, emergency mental health, acute medical and surgical, intensive care, cancer treatments and maternity services.
Visiting hours remain unchanged.
Wairoa Hospital will provide ED services for essential and urgent cases. The inpatient ward remains open, with normal visiting hours, but outpatient clinics will be closed and district nursing services will stop from 11am.
Central Hawke's Bay Health Centre's in-patient ward will remain open, with normal visiting hours, but outpatient clinics will be closed, as will district nursing services from 11am.
If it's not an emergency, visit an Accident and Medical Centre or call Healthline on 0800-611-116 for free health advice from a registered nurse 24/7.
"Anyone in labour should follow their normal birth plan and contact their Lead Maternity Carer (LMC). Maternity services will remain open, providing safe maternity care," McKenna said.
"If you have a family member or support someone who will be in hospital on the day of the strike, you are welcome to spend extra time with your loved ones while the strikes are on."
New Zealand Nurses Organisation (NZNO) members will strike for eight hours between 11am and 7pm.
Midwifery Employee Representation and Advisory Service (MERAS) members will strike for 12 hours between 8am and 8pm.
General practices and most other health services across the region will not be directly affected by the strike action.
Full details of the impact of the strike across Hastings, Napier, Wairoa and Central Hawke's Bay sites are on the DHB's website, www.ourhealthhb.nz.
The website also contains a full list of medical centres and pharmacy opening hours.