Mean low water springs

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Definition of Mean low water springs (MLWS):
The height of mean low water springs is the average throughout a year of the heights of two successive low waters during those periods of 24 hours (approximately once a fortnight) when the range of the tide is greatest.[1].
This is the common definition for Mean low water springs (MLWS), other definitions can be discussed in the article


  1. CIRIA (1996). Beach management manual. CIRIA Report 153.

See also

  1. Tides
  2. Mean low water neaps
  3. Mean high water springs