International St Lawrence River Board of Control

http://www.islrbc.org/

International Joint Commission

http://www.ijc.org/

Lake Ontario St Lawrence River Study

http://www.losl.org/

Great Lakes Information Network

http://www.great-lakes.net/

USACE Detroit District Web Page

http://www.lre.usace.army.mil/

National Oceanographic and Atmospheric Administration

http://co-ops.nos.noaa.gov/

WATER LEVELS

Environment Canada Water Levels Page (with links)

http://www.on.ec.gc.ca/water/levels/intro.html 

Detroit District Water Level Bulletin

http://www.lre.usace.army.mil/greatlakes/hh/

Canadian Water Level Bulletin

http://chswww.bur.dfo.ca/danp/bulletin_e.html

CHS Hourly Water Levels

http://chswww.bur.dfo.ca/danp/gs_selection_e.html

Level News Site

http://www.on.ec.gc.ca/water/level-news/intro-e.html

WEATHER FORECASTING

Environment Canada 5-Day Weather Outlooks – Ontario

http://weatheroffice.ec.gc.ca/forecast/canada/on e.html

Environment Canada Weather Radar – Ontario

http://weatheroffice.ec.gc.ca/radar/index_e.html?id=ont 

Environment Canada Climatological Outlooks

http://weatheroffice.ec.gc.ca/saisons/index_e.html

National Weather Service

http://www.nws.noaa.gov

NOAA Climatological Outlooks

http://www.cpc.ncep.noaa.gov/products/predictions/

Environment Canada Marine Weather Forecasts

http://weatheroffice.ec.gc.ca/marine/region 08_e.html

STREAMFLOW DATA

Canadian Real-Time Streamflows

http://scitech.pyr.ec.gc.ca/waterweb/formnav.asp?fang=0

U.S. Real-Time Streamflows (U.S.G.S.)

http://waterdata.usgs.gov/nwis/rt

GENERAL

Canadian Hydrographic Service (CHS)

http://chswww.bur.dfo.ca/danp/tidal_e.html

Great Lakes Nautical Charts (U.S.)

http://www.noaa.gov/charts.html

CHS - Nautical Charts (Canadian)

http://www.chs-shc.dfo-mpo.gc.ca/chs/en/products/default.asp

Recent Report on Crustal Movement

http://www.geod.nrcan.gc.ca/pgr/index_e.php