Safe Water Mark

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Safe Water Mark

Safe Water Mark

Safe water mark is located in the central channel or in the middle of the channel, indicating that its surroundings are navigable waters. Safe water mark can also be used to replace the cardinal mark or lateral mark to indicate that the ship is approaching the land.

As for the exact meaning in each case, it is important to consult an appropriate chart. Safe water mark is sometimes known as a fairway buoy.

Safe Water Mark Sketch

Safe Water Mark

Features of Safe Water Mark


Safe Water Mark


Red and White Vertical Stripes


Spherical, or Pillar with Top-sign or Bar Shape

Top Sign

Single Red Ball


White Light, Equal Light and Dark, Every 4 Seconds

White Light, Long Flash, Every 10 Seconds

White Light, Morse Code(A) with Intervals of 6 Seconds

IALA Standard

Our safe water marks are in line with the standards of International Association of Lighthouse Authorities. It can be widely used in most waters of the world.

Product Size

For different customers have their own requirements on size, the diameter of the buoys is changable. It can be 0.8m, 1.0m, 1.2m, 2.4m etc. We can customize the products for your special requirements. If you have any questions about our products, please feel free to contact us. Waiting for your e-mail or phone call.

Safe Water Mark

Safe Water Mark Buoy

Contact with us now

Our mail: manager@hiseamarine.com

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