Notice to Navigators: Great Lakes


LNM 38-21



This section contains information of general concern to the Mariners. Mariners are advised to use caution while transiting these areas.


LAKE ONTARIO – NY – Rochester Harbor – Chart 14815 – Bridge Inspection

From September 28 through September 30, 2021, between the hours of 0800 and 1700 a 30-foot Harcon Vessel will be inspecting the I-490 Bridge at Mile 3.2 over the Genesee River just past the falls, the E-170 Long Pond Road at mile 265.94 over the Erie Canal and the E-153C Canal Trailway Bridge at mile 0.17 over the Genesee River. The Harcon will monitor VHF-FM Marine Channel 16 and will move to accommodate vessels with a 30- minute advance notice.


LAKE MICHIGAN – WI – Green Bay – Chart 14918

Ryba Marine Construction Co. will be performing maintenance dredging in Green Bay, WI from 24 Sep through 01 Nov 24 hours a day 7 days a week. Tug Thomas R. Morrish or Tug Kathy Lynn can be contacted on VHF channels 13 and 16. All mariners are requested to transit the area with caution.