Permanent Committee on Tides and Mean Sea Level
and
Tidal Interface Working Group

The ICSM Permanent Committee on Tides and Mean Sea Level (PCTMSL) is working on the development of national standards and best practice guidelines for tidal related matters.  It is also working towards co-ordinating a national database of tidal records.  More information can be obtained from their homepage.

In November 2006, ICSM disbanded its Tidal Interface Working Group (TIWG).  This had developed a Compendium of Terms Associate with the Tidal Interface Zone.  It is envisaged that future activities relating to the tidal interface zone will primarily be underaken by the PCTMSL.

Accuracy of Tidal Predictions

An assessment of the factors which contributing to confidence in the accuracy of tidal predictions can be accessed here.

Guidelines for Describing Maritime Boundaries

In December 2006 Guidelines for Describing Maritime Boundaries were published on the Office of Spatial Data Management (OSDM) web site.  This is a nationally significant document which should be used by any person or authority engaged in mapping and recording Maritime Boundaries.

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