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.
UNDERSTANDING TIDE CLOCKSOnce set, your tide clock is synchronised with the Lunar cycle 24 Hours 50 minutes to the day. The Moon is the major controlling influence of the Earths tides. Tide clocks rotate twice per day approx, 12 hours 25 minutes per cycle corresponding with the two high and low tides of the day.