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controlled area, such as a no-wake zone
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Controlled area
It is a control buoy- indicates speed limits, no-wake zones, etc
An orange circle means a controlled area, such as a speed limit, anchoring or wake restrictions.They all look very similar, so you may want to refer to the explanation of more shapes: http://www.boatsafe.com/nauticalknowhow/regmarks.htm*NOTE that an orange diamond with black lettering within the diamond means a danger exists, such as rocks, shoals, stumps, or dams.
This is a non-lateral marker. It can indicate a controlled area, such as no wake. It can be an informational marker, a "keep out" marker, or a warning marker (Dam, Rock, etc)
keep out of that area
White buoy's with orange markings and black lettering are a regulatory marker for boaters.
Road work ahead
keep out of that area
Crossed diamonds indicate areas off-limits to all vessels such as swimming areas, dams, and spillways.*NOTE that an orange diamond with black lettering within the diamond means a danger exists, such as rocks, shoals, stumps, or dams.
Watch out for dangers such as rocks or stumps.