A Safe Water Mark, as defined by the International Association of Lighthouse Authorities, is a sea mark used in maritime pilotage to indicate the end of a channel implying that open, deep and safe water lies ahead. The marker is also sometimes known as a Fairway Buoy.

It is recognisable by its red and white vertical stripes and round top-mark.

Safe Water Marks are painted half red and half white, vertically, and commonly bear a top-sign in shape of a red ball. Lighted buoys flash morse code "A".

References

• http://www.safetyafloat.ca/olcmod3.html#3.3

See also

• Navigation
• Lateral mark
• Cardinal mark
• Isolated danger mark
• Special mark