The Nore is a long bank of sand and silt running along the south-centre of the final narrowing of the Thames Estuary, England. Its south-west is the very narrow Nore Sand. Just short of the Nore's easternmost point where it fades into the channels it has a notable point once marked by a lightship on the line where the estuary of the Thames nominally becomes the North Sea. A lit buoy today stands on this often map-marked divisor: between Havengore Creek in east Essex and Warden Point on the Isle of Sheppey in Kent.
Until 1964 it marked the seaward limit of the Port of London Authority. As the sandbank was a major hazard for shipping coming in and out of London, in 1732 it received the world's first lightship. This became a major landmark, and was used as an assembly point for shipping. Today it is marked by Sea Reach No. 1 Buoy.
The Nore is an anchorage, or open roadstead, used by the Royal Navy's North Sea Fleet, and to its local Command. It was the site of a notorious mutiny in 1797. The Great Nore is the cul-de-sac deep channel to the south of the Nore which opens out to the locally most deep water to the east, the Sheerness Approach.
The Nore is a hazard to shipping, so in 1732 the world's first lightship was moored over it  in an experiment by Robert Hamblin, who patented the idea.  This must have proved successful, as by 1819 England had nine lightships.  The Nore lightship was run by Trinity House, the general lighthouse authority for England, Wales, the Channel Islands and Gibraltar.
The early Nore lightships were small wooden vessels, often Dutch-built galliots.  By the end of the 19th century a larger ship with a revolving light had been instituted, but after about 1915 the authorities ceased to use one. Sea Reach No. 1 Buoy, as at 2006, marks the anchorage-point where the №3 lightship stood, about midway between Shoeburyness, Essex and Sheerness, Kent.
The earlier line crossing the deeper eastern part of the shoal where №1 lightship stood, the line between Havengore Creek, Essex and Warden Point, Kent remains the nominal (conventional) limit of the Thames with the North Sea.
The Nore has been the site of a Royal Navy anchorage since the age of sail, being adjacent to both the city and port of London and to the Medway, England's principal naval base and dockyard on the North Sea.
During the French Revolutionary War it was the scene of a notorious mutiny, when seamen protesting against their poor pay and working conditions refused orders and seized control of their ships in May 1797. The mutiny ended in June, and while the ringleaders were punished, much was done by the Admiralty to improve pay and conditions for the seamen.
In 1804, Jonathan Martin, would-be York Minster arsonist, was stationed aboard the 74-gun HMS Hercule here. 
From 1899 to 1955, the Royal Navy maintained a Commander-in-Chief, The Nore, a senior officer responsible for protecting the entrance to the port of London, and merchant traffic along the east coast of Britain. In the First World War the Nore Command principally had a supply and administrative function,  but in the Second World War it oversaw naval operations in the North Sea along the East coast of Britain, guarding against invasion and protecting trade. 
Also during the Second World War a series of defensive towers known as Maunsell Forts was built in the Thames estuary to protect the approach to London from air and sea attack. The Nore was the site of one of these, the Great Nore Tower. It was equipped with a battery of anti-aircraft guns and manned by a unit of the British Army. It was completed in 1943, but was abandoned at the end of hostilities.  It was badly damaged in a collision in 1953 and dismantled in 1959–1960.
The Corporation of Trinity House of Deptford Strond, also known as Trinity House, is the official authority for lighthouses in England, Wales, the Channel Islands and Gibraltar. Trinity House is also responsible for the provision and maintenance of other navigational aids, such as lightvessels, buoys, and maritime radio/satellite communication systems. It is also an official deep sea pilotage authority, providing expert navigators for ships trading in Northern European waters.
The history of lightvessels in the United Kingdom goes back over 250 years. This page also gives a list of lightvessel stations within the United Kingdom, the Channel Islands and Gibraltar.
The Downs is a roadstead in the southern North Sea near the English Channel off the east Kent coast, between the North and the South Foreland in southern England. In 1639 the Battle of the Downs took place here, when the Dutch navy destroyed a Spanish fleet which had sought refuge in neutral English waters. From the Elizabethan era onwards, the presence of the Downs helped to make Deal one of the premier ports in England, and in the 19th century, it was equipped with its own telegraph and timeball tower to enable ships to set their marine chronometers.
The Port of London Authority (PLA) is a self-funding public trust established on 31 March 1909 in accordance with the Port of London Act 1908 to govern the Port of London. Its responsibility extends over the Tideway of the River Thames and its continuation. It maintains and supervises navigation, and protects the river's environment.
Isle of Grain is a village and the easternmost point of the Hoo Peninsula within the district of Medway in Kent. No longer an island and now forming part of the peninsula, the area is almost all marshland and is a major habitat for diverse wetland birds. The village constitutes a civil parish, which at the 2011 census had a population of 1,648, a net decrease of 83 people in 10 years.
The Spithead and Nore mutinies were two major mutinies by sailors of the Royal Navy in 1797. They were the first in an increasing series of outbreaks of maritime radicalism in the Atlantic World. Despite their temporal proximity, the mutinies differed in character. The Spithead mutiny was a simple, peaceful, successful strike action to address economic grievances, while the Nore mutiny was a more radical action, articulating political ideals as well, which failed.
The Maunsell Forts are armed towers built in the Thames and Mersey estuaries during the Second World War to help defend the United Kingdom. They were operated as army and navy forts, and named after their designer, Guy Maunsell. The forts were decommissioned in the late 1950s and later used for other activities including pirate radio broadcasting. One of the forts is managed by the unrecognised Principality of Sealand; boats visit the remaining forts occasionally, and a consortium called Project Redsands is planning to conserve the fort situated at Red Sands.
The Thames Estuary is where the River Thames meets the waters of the North Sea, in the south-east of Great Britain.
HM Fort Roughs was one of several World War II installations that were designed by Guy Maunsell and known collectively as His Majesty's Forts or as Maunsell Sea Forts; its purpose was to guard the port of Harwich, Essex, and more broadly, the Thames estuary. This 4,500 ton artificial naval installation is similar in some respects to "fixed" offshore oil platforms. It is situated on Rough Sands, a sandbar located approximately 11 kilometres (6 nmi) from the coast of Suffolk and 13 kilometres (7 nmi) from the coast of Essex. Today it is the location and de facto capital of the self-proclaimed and unrecognised state, the Principality of Sealand.
Havengore is a former hydrographic survey launch, originally launched in 1956 for service with the Port of London Authority (PLA). After her withdrawal from service and sale in 1995, she was re-registered as a passenger vessel for up to 40 passengers. Based on the River Thames, Havengore has also served as a ceremonial vessel. She is best known for carrying the body of Sir Winston Churchill as part of his state funeral in 1965.
The Tideway is that part of the River Thames in England which is subject to tides. This stretch of water is downstream from Teddington Lock. The Tideway comprises the upper Thames Estuary including the Pool of London.
Ambrose Channel is the only shipping channel in and out of the Port of New York and New Jersey. The channel is considered to be part of Lower New York Bay and is located several miles off the coasts of Sandy Hook, New Jersey, and Breezy Point, New York. Ambrose Channel terminates at Ambrose Anchorage, just south of the Verrazano Narrows Bridge, the gateway to New York Harbor, where it becomes known as the Anchorage Channel. It is named for John Wolfe Ambrose, an engineer from New York.
Fisherman's Gat is a much-deepened channel in the North Sea, between the final long line of shoals loosely associated with the Thames Estuary. The channel cuts across Long Sand. In the west it opens onto the nominal cut-off point of Knock Deep (north) or the Princes Channel (south) which links to the Strait of Dover. In the west it opens to Black Deep, a Thames approach.
London was a 76-gun second-rate ship of the line in the Navy of the Commonwealth of England, originally built at Chatham Dockyard by shipwright John Taylor, and launched in June 1656. She gained fame as one of the ships that escorted Charles II from Holland back to England during the English Restoration, carrying Charles' younger brother James Duke of York, and commanded by Captain John Lawson.
The Black Deep is in the outer Thames Estuary. It is the greatest of three mainly natural shipping channels linking the Tideway to central zones of the North Sea without shoals, the others being the Barrow Deep and Princes Channel. Between these, a few others, and the shores of Kent, Suffolk and Essex are many long shoals in the North Sea, broadly shallow enough to wreck vessels of substantial draft at low tide.
The Kentish Knock is a long shoal in the North Sea east of Essex, England. It is the most easterly of those of the Thames Estuary and its core, which is shallower than 18 feet (5.5 m), extends 6 miles (9.7 km). Thus it is a major hazard to deep-draught navigation. It is exactly 28 miles (45 km) due east of Foulness Point, Essex and is centred about 15 miles (24 km) NNE of North Foreland, Kent – both are extreme points of those counties.
The Shoeburyness Boom refers to two successive defensive barriers across most of the Thames Estuary in the mid-20th century. As to the part perpendicular to the north shore most of the latter incarnation remains, and its nearest concrete mooring/patrol point 600 metres south. A 2 km stretch, this is designated a scheduled monument and marks the western edge of MoD Shoeburyness firing range, a restricted area. The rest was taken up in the 1960s.
The Swin is a passage in the Thames estuary between Maplin Sands, Foulness Sand and Gunfleet Sand northwest and the Barrow and Sunk sand ridges (shoals), southeast. The Swin was used by barges and leisure craft from the Essex rivers, and coasters and colliers from Hull, Great Grimsby, North East England, Edinburgh and other similar sets of trading ports.
Brighlingsea Naval Base was an installation of the British Royal Navy located at Brightlingsea, Essex, on the East Coast of England. It was a sub-area command under the Commander-in-Chief, The Nore from 1914 to 1921 and again from 1939 to 1945.
George Smeed is a Thames barge built in 1882 by Smeed Dean & Co. Ltd. in Murston.
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Coordinates: 51°28′30″N0°46′40″E / 51.47500°N 0.77778°E