Coastal navigation refers to the process of determining the position, course, and direction of a water vessel along the coast or shoreline. It involves utilizing various tools and techniques to safely navigate through coastal waters, keeping the vessel away from potential dangers such as rocks, reefs, sandbars, and shallow areas.
Coastal navigation typically involves the use of navigational aids such as charts, compasses, GPS systems, depth finders, and radar. These tools help mariners establish their position, identify landmarks, and understand the layout of the coastal area they are navigating. Navigational charts, specifically, provide detailed information about the depth of the water, underwater hazards, channels, and other important features along the coastline.
In addition to using navigational aids, coastal navigation also encompasses the use of visual references to assist in determining a vessel's position. This may involve observing landmarks like lighthouses, buoys, or distinctive shoreline features. By comparing these visual cues with the information on the charts, mariners can accurately determine their location and make adjustments to their course if needed.
Coastal navigation relies heavily on the knowledge and skills of the mariner. It requires an understanding of celestial navigation techniques, chart reading, tides, currents, and weather conditions. Mariners must also be aware of local laws, regulations, and navigational restrictions that may apply in coastal areas.
Overall, coastal navigation is an essential skill for mariners operating in coastal waters. It enables them to safely navigate and guide their vessels along the coast, ensuring the safety of the crew, passengers, and the vessel itself.
The word "coastal" is derived from the Old English word "coste", which means "rib, side, or border". It has its roots in the Latin word "costa", meaning "rib, side, or edge". The term "navigation" comes from the Latin word "navigatio", which is derived from "navigare" meaning "to sail", consisting of "navis" (ship) + "agere" (to drive or direct).
Therefore, the etymology of the term "coastal navigation" can be understood as the combination of "coste" (meaning "border or edge") and "navigation" (meaning "to sail or direct a ship"). This suggests that coastal navigation refers to the practice of guiding or directing a ship along the border or edges of a coast.