Low Water Datum and Water Levels

Alpena-Night-MasonStreetAll depths and clearances stated herein are determined from low water datum 577.5', IGLD. at Rimouski. Quebec, Canada, 1985.

Water level data, history and projections, and tables of possible storm-induced rises at key locations are available from the U.S. Army Corps of Engineers by calling 313-226-6443.  Water levels can also be found on the NOAA web site.  http://tidesandcurrents.noaa.gov

Contact Information from NOAA Tides and Currents:

For Great Lakes information, contact:

Great Lakes Center for Operational Oceanographic Products and Services (CO-OPS)
1305 East-West Highway
Silver Spring, MD  20910-3281
Phone: 301.713.2897 ext. 191
Fax: 301.713.4435
E-mail: Great Lakes