4302 - Strait of Canso | Official Nova Scotia Marine Map

Navigate one of Canada's most critical industrial and recreational waterways with the CHS Nautical Chart 4302: Strait of Canso. Published by the Canadian Hydrographic Service (CHS), this official chart provides essential high-resolution coverage of the deep-water channel separating mainland Nova Scotia from Cape Breton Island.

Chart 4302 is the definitive resource for mariners transiting the Strait of Canso, covering the area from Chedabucto Bay in the south to the Canso Causeway and the lock system. This region is home to some of the deepest ice-free harbors in North America and serves as a major corridor for commercial shipping, industrial tankers, and pleasure craft moving between the Atlantic Ocean and the Gulf of St. Lawrence.

Key Navigational Features:

• Official Hydrography: Features precise depth soundings, seabed characteristics, and detailed tidal information for the entire Strait.

• Industrial & Port Details: Includes bathymetry for major terminals at Port Hawkesbury, Mulgrave, and the Point Tupper industrial area.

• Canso Lock & Causeway: Provides critical navigational data for the approach to the Canso Lock, including height clearances and regulatory markers.

• Navigational Aids: Clearly marked buoys, range lights, shore-based beacons, and landmarks essential for safe transit through the narrow passage.

• Safety & Hazard Mapping: Identifies underwater infrastructure, shoals, and hazards to ensure the safety of large-scale commercial vessels and recreational boats alike.

Whether you are a pilot for a supertanker, a local fisherman, or a cruiser heading toward the Bras d'Or Lakes, Chart 4302 offers the reliability and accuracy required for professional navigation.