The marine chart shows depth and hydrology of Lake Ontario on the map, which is located in the Ontario, New York state (Madison, Simcoe, Jefferson). Coordinates: 43.6580092, -77.84921046.

Fishing spots, Relief Shading and depth contours layers are available in most Lake maps. Nautical navigation features include advanced instrumentation to gather wind speed direction, water temperature, water depth, and accurate GPS …

Fishing spots, Relief Shading and depth contours layers are available in most Lake maps. Nautical navigation features include advanced instrumentation to gather wind speed direction, water temperature, water depth, and accurate GPS …

Please visit the Chart Locator or the ENC download page for NOAA Electronic Navigational Charts. This chart display or derived product can be used as a planning or analysis tool and may not be used as a navigational aid. NOTE: Use the official, full scale NOAA nautical chart for real navigation whenever possible.

Mar 2, 2025 · With a mean surface elevation of 243 feet (74 m) above sea level, Lake Ontario has a mean depth of 283 feet (86 m), and its deepest point is 802 feet (244 m). A general surface current (8 miles a day) flows toward the east and is strongest along the south shore.

The lake's average depth is 47 fathoms 1 foot (283 ft; 86 m), with a maximum depth of 133 fathoms 4 feet (802 ft; 244 m) in the Rochester Basin. [6][7] The lake's primary source is the Niagara River, draining Lake Erie, with the Saint Lawrence River serving as the outlet.

Explore marine nautical charts and depth maps of all the popular reservoirs, rivers, lakes and seas in the United States. Interactive map with convenient search and detailed information about water bodies

It is our goal to bring you screen shots updated every 30 minutes from as close to the water's edge as possible. The live cam images seen here are from LOU Members who live or own …

Lake Ontario - Navigation and Cruising Guide -The St. Lawrence River to the Welland Canal - charts, aids to navigation, distances, water depths, & weather.

Interactive map of Lake Ontario that includes Marina Locations, Boat Ramps. Access other maps for various points of interests and businesses.