Race course marker buoys are used for buoy racing, the most prevalent form of yacht racing and power boat racing. They delimit the course and must be passed to a specified side.

The meaning of BUOY is float; especially, nautical : a floating object moored to the bottom to mark a channel or something (such as a shoal) lying under the water.

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BUOY meaning: 1. a floating object on the top of the sea, used for directing ships and warning them of possible…. Learn more.

1. A float placed in water and usually moored, as to mark a location, enable retrieval of a sunken object, or record oceanographic data. 2. A life buoy.

BUOY definition: a distinctively shaped and marked float, sometimes carrying a signal or signals, anchored to mark a channel, anchorage, navigational hazard, etc., or to provide a mooring place …

A buoy is a floating object that is used to show ships and boats where they can go and to warn them of danger.

Buoy, floating object anchored at a definite location to guide or warn mariners, to mark positions of submerged objects, or to moor vessels in lieu of anchoring.

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Dec 8, 2025 · National Data Buoy Center - Recent observations from buoy 45007 (42.674N 87.026W) - SOUTH MICHIGAN - 43NM East Southeast of Milwaukee, WI.