LNM09-5852FC
SÉCURITÉReceived 01 Sept 2026, 00:00 UTC
Warning text
Positions open on the mapLAKE HURON - PORT SANILAC
General / Marine Construction (Excluding Bridges) / Dredging
Dredging the Port Sanilac Harbor Federal channel. Submerged pipe lying on the lake floor marked by orange round buoys every 1,000 feet. (2) white buoys will be seen North and South of the dredge. The white buoys indicate winch anchor locations. The disposal area starts South of the South breakwater 4,500’ and goes an additional 5,700’ Southward. Placement will be between the Ordinary High Watermark (Beach) to the 8’ depth contour. The disposal area will be marked with white buoys on each corner. The main contact will be Superintendent Joseph Martin. Cell# listed below. During rough seas our pipe pontoon will be floating outside of the channel. It is bright yellow, 25’x8’x6’ and has (2) flashing amber lights on each end that come on at night. Another pipe pontoon that is bright yellow (25’x8’x6’) and has (2) flashing amber lights on each end will be in the disposal area
Valid 2026-09-01 to 2026-11-15.
Position 43-25.82N 082-32.10W
USCG Great Lakes District Local Notice to Mariners 45/2026
Location map
Open on the full mapKeywordsmarine constructionrough seas