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US Buoyage

State water obstruction mark

Technical visualState-water obstruction mark
State-water obstruction markA vertically striped black-and-white obstruction mark lies between open water and the nearest shore, with the shoreward side marked as no passage.STATE-WATER OBSTRUCTION MARK SHORE do not pass between mark and shore
State-water obstruction markA vertically striped black-and-white obstruction mark lies between open water and the nearest shore, with the shoreward side marked as no passage. 1231STATE-WATER OBSTRUCTION MARK2SHORE3do not pass between mark andshore

Nearest shore

The obstruction is between this mark and the nearest shore. Do not pass between the mark and shore.

Typically vertically striped black and white.

Meaning

Obstruction exists between the buoy and the nearest shore.

Action

Do not pass between the mark and shore.

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