A sea lion on navigational buoy #14 in San Diego Harbor.
Green Can #11
Green can #11 near the mouth of the Saugatuck River.
Green Can #11 on Map
Green Can #11 on a nautical chart
NOAA Weather buoy

A buoy (/ˈb.i, bɔɪ/)[1][2] is a floating device that can have many purposes. It can be anchored (stationary) or allowed to drift with ocean currents.


Navigational buoys

Marker buoys

Buoys are often used to temporarily or permanently mark the positions of underwater objects:


Several types of marker buoys may be used by divers:





Specific forms


buoy with letter box in Töre[13]


Other uses


See also


  1. ^ "buoy". Dictionary.com Unabridged (Online). n.d.
  2. ^ "buoy". The American Heritage Dictionary of the English Language (5th ed.). HarperCollins.
  3. ^ "Emergency Wreck Buoys | Navigation Buoys | Trinity House". Archived from the original on 2014-07-02. Retrieved 2014-05-26.
  4. ^ "Large Navigational Buoys (LNB)". United States Coast Guard. Retrieved Jul 6, 2015.
  5. ^ a b National Oceanic and Atmospheric Administration (2013). US Chart No. 1. Silver Spring: NOAA. p. 89.
  6. ^ Cobb, John N., "The Lobster Fishery of Maine", Bulletin of the United States Fish Commission, Vol. 19, Pages 241–265, 1899; from Project Gutenberg
  7. ^ Taft, Hank; Taft, Jan, A Cruising Guide to the Maine Coast and the Maine Coast Guides for Small Boats, Peaks Island, Maine : Diamond Pass Publishing, 5th Edition, 2009. Cf. Chapter: "BUOY, OH BUOY" Archived 2008-11-18 at the Wayback Machine, and Chapter: "Fisherman, Lobsterboats, and Working Harbors" Archived 2012-03-20 at the Wayback Machine
  8. ^ Davies, D (1998). "Diver location devices". Journal of the South Pacific Underwater Medicine Society. 28 (3). Archived from the original on 2009-05-19. Retrieved 2013-04-16.((cite journal)): CS1 maint: unfit URL (link)
  9. ^ [METOCEAN. (2008). METOCEAN SLDMB: Operating & Maintenance Manual (Version 3.0 ed.) Retrieved from http://www.metocean.com.
  10. ^ [Bang, I., Mooers, C. N. K., Haus, B., Turner, C., Lewandowski, M. (2007). Technical Report: Surface Drifter Advection and Dispersion in the Florida Current Between Key West and Jacksonville, Florida. Technical Report.].
  11. ^ Kery, SM (1989). "Diving in support of buoy engineering: The RTEAM project". In: Lang, MA; Jaap, WC (Ed). Diving for Science…1989. Proceedings of the American Academy of Underwater Sciences Annual Scientific Diving Symposium 28 September – 1 October 1989 Wood Hole Oceanographic Institution, Woods Hole, Massachusetts, USA. Archived from the original on 2013-06-21. Retrieved 2013-04-16.((cite journal)): CS1 maint: unfit URL (link)
  12. ^ IALA (2008). "International Dictionary of Marine Aids to Navigation – ODAS buoy". Retrieved 10 December 2016.
  13. ^ RCC Pilotage Foundation: Baltic Sea and Approaches. Imray, Laurie, Norie and Wilson Ltd, 2019, p. 241, ISBN 9781846238925.
  14. ^ Die Postboje, www.steinhude-am-meer.de.
  15. ^ "Pranks: Some old, some new". USS RICH. USS RICH Association.
  16. ^ "buoy". Oxford English Dictionary. Vol. II (2nd ed.). Oxford University Press. 1989. p. 661. verb, sense 3.
  17. ^ Buoy System Harnesses Wave Energy - ABC News
  18. ^ George Stephen, Company Founder and Inventor of the Weber Kettle Grill Archived June 23, 2007, at the Wayback Machine