In addition, the role, scope of practice, and prescribing authorization of a nurse midwife will vary depending on licensure and where they practice. Certified Nurse Midwife responsibilities may include: 1  Primary and specialty care for women.
Messages: 357. Slack tide is when the current goes slack between tide changes and slack usually last 30min to an hour after peak high tide or peak low tide(hence high slack or low slack). Feb 27, 2008.
A Tide Clock has a Lunar Quartz Movement to indicate the tidal pattern for where it has been set. It is relatively simple and quite an accurate instrument, rotating at 12 hours 25 minutes synchronising with the Moon's lunar cycle.