Illinois, Chicago Harbor Bridge Maintenance

From July 19 through August 21, 2021, between the hours of 0600 and 1800 daily, inspectors will utilize a 30-foot Inspection vessel to inspect the following Bridges in the Greater Chicago Area: The Bryn Mawr Avenue at Mile 10.00, over the North Shore Channel. The Devon Avenue Bridge at Mile 11.01 over the North Shore Read More

Alabama, Black Warrior River, Lock Notices

BANKHEAD AND OLIVER LOCKS BLACK WARRIOR RIVER MILES 365.1 AND 337.7, ALABAMA REFERENCE NAVIGATION BULLETINS 21-07 AND 21-55 Notice is given to mariners that Oliver Lock (mile 337.7) will open to traffic today, 21-JULY- 2021 at 1800 CST. Bankhead Lock (mile 365.1) has experienced significant weather delays in painting of the miter gates and operating Read More

Great Lakes Water Levels Updates

Expected water levels on the Great Lakes. See enclosure for the expected water levels on the Great Lakes. Connecting Channels and the St. Lawrence River, given in inches above (+) or below (-) Low Water Datum (LWD). LWD is a plane of reference used on a navigation chart. It is also known as chart datum.See Read More

Alabama, Demopolis, Marine Event Caution

BLACK WARRIOR AND TOMBIGBEE WATERWAY TOMBIGBEE RIVER – DEMOPOLIS LAKE, ALABAMA RIVER MILES 214.5 – 216 On July 31, 2021, from 11:00 a.m. until 5:00 p.m., and on August 1, 2021, from 12:30 p.m. until 5:00 p.m., the Demopolis Parks and Recreation will sponsor boat race between approximate Miles 216.0 and 214.5, Demopolis City Landing. Read More

Florida, Lake Okeechobee, Lake Levels Update

U. S. Army Corps of Engineers, Jacksonville District Data Ending  2400 hours 19 JUL 2021     Today’s Lake Okeechobee Stage = 13.47 (Feet-NGVD29) Today’s Route 1 Navigational Depth ≈ 7.41 Feet Today’s Route 2 Navigational Depth ≈ 5.61 Feet Bridge Clearance = 49.87 Feet Feet Report Generated 20JUL2021 @ 09:45** Preliminary Data-Subject to Revision** Due to the changing water Read More

New York Canal Clorures

Notice to Mariners Canal System Update – Weather Related Closures July 19, 2021 The New York State Canal Corporation today announced the following sections of the Canal system are closed due to the recent heavy rainfall, high flows, and extremely hazardous conditions: Erie Canal Lock E-2 (Waterford) through E-19 (Frankfort) Lock E-24 (Baldwinsville) through E-33 Read More

Alabama, Black Warrior – Tombigbee Waterway, Marine Events

BLACK WARRIOR AND TOMBIGBEE WATERWAY TOMBIGBEE RIVER – DEMOPOLIS LAKE, ALABAMA RIVER MILES 214.5 – 216 REFERENCE NAVIGATION BULLETINS 21-29 AND 21-45: Notice is given to mariners that the Demopolis Parks and Recreation will be sponsoring a boat race at Demopolis City Landing. The event has been updated to the following dates and times: Rumble Read More