A danger zone has been established for mariners on the York River at the U.S. Naval Weapons Station, Cheatham Annex.

According to the U.S. Coast Guard District 05 Local Notice to Mariners, the danger area begins at mean low water on the shore at Cheatham Annex at 37° 17’ 33.10”N, 076° 36’ 19.06” W and extends into the water northeast to 37° 18’ 36.650”N, 076° 34’ 39.010”W; south, southeast to 37° 17’ 59.37”N, 076° 34’ 13.65”W; and southwest back to the shore at 37° 17’ 26.750”N, 076° 36’ 14.890”W.

Vessels may transit the area at any time, said the notice, but no vessel may anchor, fish, or conduct any waterborne activities within the danger zone any time live firing exercises are being conducted.

When live firing is being conducted, said the notice, a red flag will be displayed in a conspicuous location along the shore to signify the range is active. At night, red lights will be displayed.
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