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A harbor (
American English American English, sometimes called United States English or U.S. English, is the set of varieties of the English language native to the United States. English is the most widely spoken language in the United States and in most circumstances ...
), harbour (
British English British English (BrE, en-GB, or BE) is, according to Oxford Dictionaries, "English as used in Great Britain, as distinct from that used elsewhere". More narrowly, it can refer specifically to the English language in England, or, more broadl ...
; see spelling differences), or haven is a sheltered body of water where
ship A ship is a large watercraft that travels the world's oceans and other sufficiently deep waterways, carrying cargo or passengers, or in support of specialized missions, such as defense, research, and fishing. Ships are generally distinguished ...
s,
boat A boat is a watercraft of a large range of types and sizes, but generally smaller than a ship, which is distinguished by its larger size, shape, cargo or passenger capacity, or its ability to carry boats. Small boats are typically found on i ...
s, and
barge Barge nowadays generally refers to a flat-bottomed inland waterway vessel which does not have its own means of mechanical propulsion. The first modern barges were pulled by tugs, but nowadays most are pushed by pusher boats, or other vessels. ...
s can be docked. The term ''harbor'' is often used interchangeably with ''
port A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as H ...
'', which is a man-made facility built for loading and unloading vessels and dropping off and picking up passengers. Ports usually include one or more harbors.
Alexandria Port The Port of Alexandria is on the West Verge of the Nile Delta between the Mediterranean Sea and Mariut Lake in Alexandria, Egypt, and is considered the second most important city and the main port in Egypt. Alexandria port consists of two harbour ...
in
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a List of transcontinental countries, transcontinental country spanning the North Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via a land bridg ...
is an example of a port with two harbors. Harbors may be natural or artificial. An artificial harbor can have deliberately constructed
breakwater Breakwater may refer to: * Breakwater (structure), a structure for protecting a beach or harbour Places * Breakwater, Victoria, a suburb of Geelong, Victoria, Australia * Breakwater Island, Antarctica * Breakwater Islands, Nunavut, Canada * Br ...
s,
sea wall A seawall (or sea wall) is a form of coastal defense constructed where the sea, and associated coastal processes, impact directly upon the landforms of the coast. The purpose of a seawall is to protect areas of human habitation, conservation ...
s, or
jetty A jetty is a structure that projects from land out into water. A jetty may serve as a breakwater, as a walkway, or both; or, in pairs, as a means of constricting a channel. The term derives from the French word ', "thrown", signifying somet ...
s or they can be constructed by
dredging Dredging is the excavation of material from a water environment. Possible reasons for dredging include improving existing water features; reshaping land and water features to alter drainage, navigability, and commercial use; constructing d ...
, which requires maintenance by further periodic dredging. An example of an artificial harbor is
Long Beach Harbor The Port of Long Beach, also known as the Harbor Department of the City of Long Beach, is a container port in the United States, which adjoins Port of Los Angeles. Acting as a major gateway for US–Asian trade, the port occupies of land with ...
,
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
,
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
, which was an array of
salt marshes A salt marsh or saltmarsh, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water that is regularly flooded by the tides. It is domina ...
and
tidal flats Mudflats or mud flats, also known as tidal flats or, in Ireland, slob or slobs, are coastal wetlands that form in intertidal areas where sediments have been deposited by tides or rivers. A global analysis published in 2019 suggested that tidal f ...
too shallow for modern
merchant ships A merchant ship, merchant vessel, trading vessel, or merchantman is a watercraft that transports cargo or carries passengers for hire. This is in contrast to pleasure craft, which are used for personal recreation, and naval ships, which are ...
before it was first dredged in the early 20th century. In contrast, a natural harbor is surrounded on several sides of land. Examples of natural harbors include
Sydney Harbour Port Jackson, consisting of the waters of Sydney Harbour, Middle Harbour, North Harbour and the Lane Cove River, Lane Cove and Parramatta River, Parramatta Rivers, is the ria or harbor, natural harbour of Sydney, New South Wales, Australia. T ...
,
New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...
, Australia and
Trincomalee Harbour Trincomalee Harbour is a seaport in Trincomalee Bay or Koddiyar Bay, a large natural harbour situated on the northeastern coast of Sri Lanka. Located by Trincomalee, Sri Lanka, in the heart of the Indian Ocean, its strategic importance has sh ...
in Sri Lanka.


History

As a rule, the harbor is called the water area of the port, directly adjacent to the berth am, where the loading and unloading of ships, embarkation and disembarkation of passengers are carried out. Also in the harbor, ships can be at a long anchorage at the pier or at
anchor An anchor is a device, normally made of metal , used to secure a vessel to the bed of a body of water to prevent the craft from drifting due to wind or current. The word derives from Latin ''ancora'', which itself comes from the Greek � ...
. For this purpose, special places for anchorage will be equipped on the territory of the harbor. The harbor can be artificial or natural. For a natural harbor, choose a place well protected from waves and wind, surrounded on several sides by land areas.'' Stanyukovich KM '' Dictionary of marine terms found in stories. An artificial harbor usually has purpose-built
breakwater Breakwater may refer to: * Breakwater (structure), a structure for protecting a beach or harbour Places * Breakwater, Victoria, a suburb of Geelong, Victoria, Australia * Breakwater Island, Antarctica * Breakwater Islands, Nunavut, Canada * Br ...
s, and dredging is also used in the construction of artificial harbors. Natural harbors require maintenance through periodic depth measurements and, if necessary, further periodic dredging. An example of an artificial harbor is Long Beach Harbor,
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...
, USA, which was an array of salt marshes and tidal banks too shallow for modern merchant ships. At the beginning of the 20th century, dredging works were carried out here.


Artificial harbors

Artificial harbors are frequently built for use as ports. The oldest artificial harbor known is the Ancient Egyptian site at Wadi al-Jarf, on the Red Sea coast, which is at least 4500 years old (ca. 2600-2550 BCE, reign of King Khufu). The largest artificially created harbor is Jebel Ali in
Dubai Dubai (, ; ar, wikt:دبي, دبي, translit=Dubayy, , ) is the List of cities in the United Arab Emirates#Major cities, most populous city in the United Arab Emirates (UAE) and the capital of the Emirate of Dubai, the most populated of the 7 ...
. Other large and busy artificial harbors include: * Port of Houston,
Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...
, United States; * Port of Long Beach, California, United States; * Port of Los Angeles in San Pedro, California, United States. * Port of Rotterdam,
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
; * Port of Savannah, Georgia, United States; The Ancient Carthaginians constructed fortified, artificial harbors called cothons.


Natural harbors

A natural harbor is a landform where a section of a body of water is protected and deep enough to allow anchorage. Many such harbors are rias. Natural harbors have long been of great strategic naval and
economic An economy is an area of the production, distribution and trade, as well as consumption of goods and services. In general, it is defined as a social domain that emphasize the practices, discourses, and material expressions associated with th ...
importance, and many great cities of the world are located on them. Having a protected harbor reduces or eliminates the need for breakwaters as it will result in calmer waves inside the harbor. Some examples are: * Bali Strait, Indonesia * Berehaven Harbour, Ireland * Balikpapan Bay in East Kalimantan, Indonesia *
Mumbai Mumbai (, ; also known as Bombay — the official name until 1995) is the capital city of the Indian state of Maharashtra and the ''de facto'' financial centre of India. According to the United Nations, as of 2018, Mumbai is the secon ...
in
Maharashtra Maharashtra (; , abbr. MH or Maha) is a state in the western peninsular region of India occupying a substantial portion of the Deccan Plateau. Maharashtra is the second-most populous state in India and the second-most populous country subdi ...
, India * Boston Harbor in
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
, United States * Burrard Inlet in
Vancouver Vancouver ( ) is a major city in western Canada, located in the Lower Mainland region of British Columbia. As the most populous city in the province, the 2021 Canadian census recorded 662,248 people in the city, up from 631,486 in 2016. ...
,
British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, for ...
,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...
* Cork Harbour, Ireland * Grand Harbour,
Malta Malta ( , , ), officially the Republic of Malta ( mt, Repubblika ta' Malta ), is an island country in the Mediterranean Sea. It consists of an archipelago, between Italy and Libya, and is often considered a part of Southern Europe. It lies ...
* Guantánamo Bay,
Cuba Cuba ( , ), officially the Republic of Cuba ( es, República de Cuba, links=no ), is an island country comprising the island of Cuba, as well as Isla de la Juventud and several minor archipelagos. Cuba is located where the northern Caribb ...
* Gulf of Paria,
Trinidad and Tobago Trinidad and Tobago (, ), officially the Republic of Trinidad and Tobago, is the southernmost island country in the Caribbean. Consisting of the main islands Trinidad and Tobago, and numerous much smaller islands, it is situated south of ...
* Halifax Harbour in
Nova Scotia Nova Scotia ( ; ; ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. Nova Scotia is Latin for "New Scotland". Most of the population are native Eng ...
,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...
*
Hamilton Harbour Hamilton Harbour, formerly known as Burlington Bay, lies on the western tip of Lake Ontario, bounded on the northwest by the City of Burlington, on the south by the City of Hamilton, and on the east by Hamilton Beach (south of the Burlington ...
in
Ontario Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...
,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...
* Killybegs in
County Donegal County Donegal ( ; ga, Contae Dhún na nGall) is a county of Ireland in the province of Ulster and in the Northern and Western Region. It is named after the town of Donegal in the south of the county. It has also been known as County Tyrcon ...
,
Ireland Ireland ( ; ga, Éire ; Ulster-Scots: ) is an island in the North Atlantic Ocean, in north-western Europe. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the s ...
* Kingston Harbour,
Jamaica Jamaica (; ) is an island country situated in the Caribbean Sea. Spanning in area, it is the third-largest island of the Greater Antilles and the Caribbean (after Cuba and Hispaniola). Jamaica lies about south of Cuba, and west of Hispa ...
* Marsamxett Harbour, Malta * Milford Haven in
Wales Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in ...
,
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and ...
*
New York Harbor New York Harbor is at the mouth of the Hudson River where it empties into New York Bay near the East River tidal estuary, and then into the Atlantic Ocean on the east coast of the United States. It is one of the largest natural harbors in ...
in the United States * Pago Pago Harbor in
American Samoa American Samoa ( sm, Amerika Sāmoa, ; also ' or ') is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the island country of Samoa. Its location is centered on . It is east of the Internatio ...
*
Pearl Harbor Pearl Harbor is an American lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. It was often visited by the Naval fleet of the United States, before it was acquired from the Hawaiian Kingdom by the U.S. with the signing of the ...
in
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...
, United States *
Poole Harbour Poole Harbour is a large natural harbour in Dorset, southern England, with the town of Poole on its shores. The harbour is a drowned valley ( ria) formed at the end of the last ice age and is the estuary of several rivers, the largest bei ...
in England, United Kingdom *
Port Hercules Port Hercules (french: Port Hercule) is the only deep-water port in Monaco. The port has been in use since ancient times. The modern port was completed in 1926, and underwent substantial improvements in the 1970s. It covers almost , enough to pr ...
,
Principality of Monaco Monaco (; ), officially the Principality of Monaco (french: Principauté de Monaco; Monégasque dialect, Ligurian: ; oc, Principat de Mónegue), is a Sovereign state, sovereign city-state and European microstates, microstate on the French Riv ...
*
Sydney Harbour Port Jackson, consisting of the waters of Sydney Harbour, Middle Harbour, North Harbour and the Lane Cove River, Lane Cove and Parramatta River, Parramatta Rivers, is the ria or harbor, natural harbour of Sydney, New South Wales, Australia. T ...
in
Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...
, technically a ria * Tanjung Perak in
Surabaya Surabaya ( jv, ꦱꦸꦫꦧꦪ or jv, ꦯꦹꦫꦨꦪ; ; ) is the capital city of the Indonesian province of East Java and the second-largest city in Indonesia, after Jakarta. Located on the northeastern border of Java island, on the M ...
, Indonesia *
Port of Tobruk The Port of Tobruk ( ar, ميناء طبرق) is a port located at Tobruk, Libya. Opened in 1986, it is located in Eastern Libya near the Egyptian border - about east of Benghazi. The entrance to the main channel into the port is between Tobru ...
in
Tobruk Tobruk or Tobruck (; grc, Ἀντίπυργος, ''Antipyrgos''; la, Antipyrgus; it, Tobruch; ar, طبرق, Tubruq ''Ṭubruq''; also transliterated as ''Tobruch'' and ''Tubruk'') is a port city on Libya's eastern Mediterranean coast, near ...
,
Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to the east, Suda ...
* Presque Isle Bay in
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
, United States * Prince William Sound in
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U ...
, United States *
Puget Sound Puget Sound ( ) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish Sea. It is located along the northwestern coast of the U.S. state of Washington. It is a complex estuarine system of interconnected m ...
in
Washington state Washington (), officially the State of Washington, is a U.S. state, state in the Northwestern United States, Pacific Northwest region of the Western United States. Named for George Washington—the first President of the United States, U.S. p ...
, United States * Roadstead of Brest in
Brittany Brittany (; french: link=no, Bretagne ; br, Breizh, or ; Gallo: ''Bertaèyn'' ) is a peninsula, historical country and cultural area in the west of modern France, covering the western part of what was known as Armorica during the period ...
, France *
San Francisco Bay San Francisco Bay is a large tidal estuary in the U.S. state of California, and gives its name to the San Francisco Bay Area. It is dominated by the big cities of San Francisco, San Jose, and Oakland. San Francisco Bay drains water f ...
in California, United States * Scapa Flow in
Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to ...
, United Kingdom * Sept-Îles in
Côte-Nord Côte-Nord (, ; ; land area ) is the second-largest administrative region by land area in Quebec, Canada, after Nord-du-Québec. It covers much of the northern shore of the Saint Lawrence River estuary and the Gulf of Saint Lawrence past T ...
, in
Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirte ...
,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...
* Shelburne in
Nova Scotia Nova Scotia ( ; ; ) is one of the thirteen provinces and territories of Canada. It is one of the three Maritime provinces and one of the four Atlantic provinces. Nova Scotia is Latin for "New Scotland". Most of the population are native Eng ...
,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...
* Subic Bay in
Zambales Zambales, officially the Province of Zambales ( fil, Lalawigan ng Zambales; ilo, Probinsia ti Zambales; Pangasinan: ''Luyag/Probinsia na Zambales''; xsb, Probinsya nin Zambales), is a province in the Philippines located in the Central Luzon re ...
,
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
* Tampa Bay in
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and ...
, United States *
Trincomalee Harbour Trincomalee Harbour is a seaport in Trincomalee Bay or Koddiyar Bay, a large natural harbour situated on the northeastern coast of Sri Lanka. Located by Trincomalee, Sri Lanka, in the heart of the Indian Ocean, its strategic importance has sh ...
,
Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...
*
Tuticorin Thoothukudi (formerly Tuticorin) is a port city, a municipal corporation and an industrial city in Thoothukudi district in the Indian state of Tamil Nadu. The city lies in the Coromandel Coast of Bay of Bengal. Thoothukudi is the capital and ...
in
Tamil Nadu Tamil Nadu (; , TN) is a state in southern India. It is the tenth largest Indian state by area and the sixth largest by population. Its capital and largest city is Chennai. Tamil Nadu is the home of the Tamil people, whose Tamil language ...
, India *
Victoria Harbour Victoria Harbour is a natural landform harbor, harbour in Hong Kong separating Hong Kong Island in the south from the Kowloon Peninsula to the north. The harbour's deep, sheltered waters and strategic location on South China Sea were instrume ...
in
Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China (abbr. Hong Kong SAR or HKSAR), is a List of cities in China, city and Special administrative regions of China, special ...
* Visakhapatnam Harbour, India * Vizhinjam in
Trivandrum Thiruvananthapuram (; ), also known by its List of renamed Indian cities and states, former name Trivandrum (), is the Capital city, capital of the Indian state of Kerala. It is the most populous city in Kerala with a population of 957,730 as ...
,
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area, the List of countries and dependencies by population, second-most populous ...
*
Waitemata Harbour Waitemata or Waitematā may refer to: * Waitematā Harbour, the primary harbour of Auckland, New Zealand * Waitematā (local board area), a local government area in Auckland, New Zealand ** Waitematā Local Board, a local board of Auckland Council, ...
in
Auckland Auckland (pronounced ) ( mi, Tāmaki Makaurau) is a large metropolitan city in the North Island of New Zealand. The most populous urban area in the country and the fifth largest city in Oceania, Auckland has an urban population of about I ...
, New Zealand * Zihuatanejo Harbor,
Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country in the southern portion of North America. It is borders of Mexico, bordered to the north by the United States; to the so ...


Ice-free harbors

For harbors near the North and South poles, being ice-free is an important advantage, especially when it is year-round. Examples of these are: * Hammerfest, Norway * Liinakhamari,
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...
* Murmansk, Russia *
Nakhodka Nakhodka ( rus, Нахо́дка, p=nɐˈxotkə) is a port city in Primorsky Krai, Russia, located on the Trudny Peninsula jutting into the Nakhodka Bay of the Sea of Japan, about east of Vladivostok, the administrative center of the kra ...
in Nakhodka Bay, Russia * Pechenga, Russia * Prince Rupert,
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by to ...
* Valdez,
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
* Vardø, Norway * Vostochny Port, Russia The world's southernmost harbor, located at
Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest cont ...
's Winter Quarters Bay (77° 50′ South), is sometimes ice-free, depending on the summertime
pack ice Drift ice, also called brash ice, is sea ice that is not attached to the shoreline or any other fixed object (shoals, grounded icebergs, etc.).Leppäranta, M. 2011. The Drift of Sea Ice. Berlin: Springer-Verlag. Unlike fast ice, which is "faste ...
conditions.


Important harbors

Although the world's busiest port is a contested title, in 2017 the world's busiest harbor by cargo tonnage was the
Port of Ningbo-Zhoushan The Port of Ningbo-Zhoushan is the busiest port in the world in terms of cargo tonnage. It handled 888.96 million tons of cargo in 2015. The port is located in Ningbo and Zhoushan, on the coast of the East China Sea, in Zhejiang province on ...
. The following are large natural harbors:


See also

* Boyd's Automatic tide signalling apparatus * Dock * Ice pier *
Inland harbor An inland harbor (or inland harbour) is a harbor that is quite far away from the ocean or sea, such as Berlin, Germany or Paris, France. Inland harbors are connected to a large body of water by an important river or canal passing near the cente ...
* List of marinas *
List of seaports Lists of ports cover ports of various types, maritime facilities with one or more wharves where ships may dock to load and discharge passengers and cargo. Most are on the sea coast or an estuary, but some are many miles inland, with access to th ...
* Mandracchio *
Marina A marina (from Spanish , Portuguese and Italian : ''marina'', "coast" or "shore") is a dock or basin with moorings and supplies for yachts and small boats. A marina differs from a port in that a marina does not handle large passenger ships or ...
* Mulberry harbour * Quay * Roadstead *
Seaport A port is a maritime facility comprising one or more wharves or loading areas, where ships load and discharge cargo and passengers. Although usually situated on a sea coast or estuary, ports can also be found far inland, such as ...
* Shipyard *
Wharf A wharf, quay (, also ), staith, or staithe is a structure on the shore of a harbour or on the bank of a river or canal where ships may dock to load and unload cargo or passengers. Such a structure includes one or more berths ( mooring locati ...


Notes


External links


Harbor Maintenance Finance and Funding
Congressional Research Service The Congressional Research Service (CRS) is a public policy research institute of the United States Congress. Operating within the Library of Congress, it works primarily and directly for members of Congress and their committees and staff on a ...
* {{Ports and harbors Coastal construction Nautical terminology Bodies of water Infrastructure Industrial buildings it:Porto tt:Лиман