Oregon Administrative Rules
Chapter 250 - OREGON STATE MARINE BOARD
Division 10 - STATEWIDE RULES
Section 250-010-0240 - Characteristics of Waterway Markers

(a) A solid red marker shall indicate that side of a channel to be kept to the right of a vessel when entering the channel from the main water body;

(b) A solid green marker shall indicate that side of a channel to be kept to the left of a vessel when entering the channel from the main water body;

(c) A red and white vertically striped marker shall indicate the center of a navigable channel.

(a) A diamond shape of international orange with white center shall be used to indicate danger from natural or man-made hazard. The nature of the hazard may be indicated by words or well-known abbreviations in black letters inside the diamond shape, or above and/or below it on white background. Common messages include Danger, Rocks, and Low Water.

(b) A diamond shape of international orange with a cross of the same color within it against a white center shall be used to indicate a water zone where vessels may not enter. Any words or well-known abbreviations must be in black letters above and/or below the shape on white background. Common messages include Exclusion Zone, No Entry, Swim Area, and No Boats.

(c) A circle of international orange with white center shall be used to indicate water zone within which a control or restriction is imposed upon operation of vessels and/or use of the zoned area. The nature of the control shall be indicated by words, numerals, or well-known abbreviations in black letters inside the circular shape, or above and/or below it. Common messages include Slow No Wake, speed restrictions, and motor type restrictions.

(d) A rectangular shape of international orange with white center may be used to convey other information of an official nature which will contribute to the health, safety, and well-being of boaters using the state's waters. The message will be presented within the shape in black letters. Common messages include Marina Entrance, Wildlife Refuge, services, and other general information.