USCG Exam PracticeTides and currents — predictions and corrections
Spring tides, which have the greatest tidal range, occur when the moon is in which phase(s)?
- A. New moon only
- B. First and last quarter
- ✓ New and full moonCorrect
- D. Full moon only
Why C is correct
Spring tides occur near both new and full moon and produce the greatest range. Neap tides, with the smallest range, occur near first and last quarter moon.
Cited:Bowditch Ch. 9 §902