Sites of Interest

Current and recent water level (observations)

• Water levels at your finger tips! - (1-877-775-0790) and voice announcing water level for gauging stations
• Water levels of Great Lakes and Arctic Regions

Data for the St. Lawrence River tributaries

• Environnement Québec
• Ottawa River Regulation Planning Board

Great Lakes Data (Water levels)

• Environment Canada - Great Lakes - St. Lawrence River Water Levels
• Great Lakes Information Network (GLIN)
• International Joint Commission (IJC)
• The Canadian Hydrographic Service, Central and Arctic Region

Historic water levels

• Great Lakes water level graphs
• National archives of Tide and Water Level

Informations on Tides and Currents

• Hydrodynamique marine - École Nationale Supérieure d’Électrotechnique, d’Électronique, d’Informatique, d’Hydraulique et des Télécommunications (French only)
• NOAA Rip currents
• Rip currents … a threat to life!

Ocean forecast for the Estuary and Gulf of St. Lawrence

• St. Lawrence Observatory (OSL)

USA National Oceanographic Atmospheric Administration

• National Ocean Service (NOS) Center for Operational Oceanographic Products and Services (CO-OPS)
• National Oceanographic Data Center

Water level for the Fraser River

• AVADepth - Forecast of available water depths for vessels navigating the Fraser River South Arm Channel (Canadian Coast Guard – Pacific region)

Water level forecasts (some include plots of average levels, record levels, and recent levels)

• Canadian water level bulletin – Great Lakes and Montreal Harbour
• Water level bulletin – St. Lawrence River

Other sites of interest for currents and water levels

• Admiralty – United Kingdom Hydrographic Office (UKHO)
• Global Sea Level Observing System (GLOSS)
• Great Lakes Commission
• Great Lakes St. Lawrence Seaway System
• Integrated Science Data Management (ISDM)
• International Hydrographic Organisation (IHO)
• National Oceanic & Atmospheric Administration (NOAA)
• Service hydrographique et Océanographique de la Marine (SHOM) (French only)
• The Great Lakes Forecasting System (GLFS)
• University of Hawaii Sea Level Center
• US Army Corps of Engineers