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.
The daily cycle of the rising and falling of the sea level is called the tide. The tide rises and falls about 4 times in 24 hours and the period in between cycles when the tide is neither rising or falling is called the slack tide.