Asked by: Yinet Moure
asked in category: General Last Updated: 13th April, 2020

How do you read nautical chart depth?

Multiply fathoms by 6 to measure depths byfeet.
The first number indicates the number of fathoms. Thesecond number, which will be a small subscript, is the number ofadditional feet. For example, a listing of 0 and 3 means adepth of 0 fathoms, 3 feet. A listing of 3 and 2 means 3fathoms, 2 feet, or 20 feet total.

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Also question is, what do nautical charts show?

A nautical chart is one of the most fundamentaltools available to the mariner. It is a map that depicts theconfiguration of the shoreline and seafloor. It provides waterdepths, locations of dangers to navigation, locations andcharacteristics of aids to navigation, anchorages, and otherfeatures.

what does Foul mean on nautical chart? Foul is a nautical term meaning toentangle or entwine, and more generally that something is wrong ordifficult. The term dates back to usage with wind-drivensailing ships.

Similarly, how is water depth measured?

Fathom. A fathom is a unit of length in the imperial andthe U.S. customary systems equal to 6 feet (1.8288 m), usedespecially for measuring the depth ofwater.

What is depth contour?

depth contour. A line connecting points of equaldepth below the hydrographic datum. Also called bathymetriccontour or depth curve. Dictionary of Military andAssociated Terms.

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