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| Low tide in Cwm Harbour, Fishguard, Pembrokeshire, Wales |
| The tiny harbour at the village of Clovelly, Devon, England |
A harbour (or harbor) or haven is a place where ships may shelter from the weather or are stored. Harbours can be man-made or natural. A man-made harbour will have sea walls or breakwaters. A natural harbour will be surrounded on most sides by land. Harbours and ports are often confused. A port is a man-made coastal or riverine facility where boats and ships can load and unload. It may consist of quays, wharfs, jetties, pierA pier was originally a raised walkway over water that is supported by piles or pillars, as opposed to a quay or wharf. The original function was to provide access to the water either for loading and unloading facities for boats or for ritual purposes.s and slipIn telecommunications, a slip is a positional displacement in a sequence of transmitted symbols that causes the loss or insertion of one or more symbols. Slips are usually caused by inadequate synchronization of the two clocks controlling the transmissions with craneA crane is a tower or derrick equipped with cables and pulleys that is used to lift and lower materials. Cranes are commonly used in the construction industry and in manufacturing heavy equipment. Construction cranes are usually temporary structures, eiths or ramps. A port may have magazine buildings or warehouses for storage of goods and a transportFor other article subjects named transport see transport (disambiguation). Transport or transportation in American English, is the movement of people and goods from one place to another. The term is derived from the Latin trans meaning across and portare system, such as railway, road transporttraffic flow can create delays lasting hours. Road transport or road transportation is transport on roads, i. most transport over land which is not rail transport in the wide sense. A hybrid of road transport and ship transport is the historic horse-drawn or pipeline transportPipelines transport gases and liquids in common practice, and have been used to transport solid capsules through pneumatic tubes. Gas and liquid commodities transported through pipelines include: Natural gas Oil Sewage Slurry Water Accidents Pipelines con facilities for relaying goods inland.
During the D-DayIn military parlance, D-Day is a term often used to denote the day on which a combat attack or operation is to be initiated. By far the most well-known D-Day is June 6, 1944—the day on which the Battle of Normandy began—commencing the American and British operations of 1944, two artificial harbours (codenamed Mulberry) were built just off the invasion beaches.
Natural harbours have long been of great strategic and economic importance. Many of the great cities of the world are located on a natural harbour.
For harbours near the poles, being ice-free is an important advantage, ideally all-year round. Examples are Murmansk (Russia), Petsamo (Russia, formerly Finland), Vardø, and Prince Rupert, British Columbia ( Canada).
The largest artificially created harbour is located in Rotterdam, The Netherlands, with a transfer of 137 million tons/year. The second largest is Singapore (329 million tons/year). Other large harbors include:
3. Shanghai, China, 315,4
4. Hong Kong, China, 205,8
5. Ningbo, China, 185,2
6. Guangzhou, China, 171,1
7. Tianjin, China, 161,8
8. Nagoya, China, 153,2 China
10. Qingdao, China, 140,9
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