4381 - Mahone Bay Navigation Chart (Nova Scotia)

Navigate one of Canada's most celebrated sailing destinations with the Canadian Hydrographic Service (CHS) Nautical Chart 4381. This official marine chart provides comprehensive coverage of Mahone Bay, Nova Scotia—a legendary body of water known for its hundreds of islands, hidden coves, and the iconic town of Mahone Bay itself.Mapped at a detailed 1:40,000 scale, Chart 4381 is the primary navigational resource for exploring the waters between the Aspotogan Peninsula and the vibrant boating hub of Chester.

As an official CHS publication, this chart is meticulously designed for both safety and discovery. It features high-density bathymetric soundings (in metres) and detailed seafloor characteristics, essential for navigating the bay’s intricate island clusters and avoiding submerged rocks. The chart provides accurate positioning for all major navigation aids, including the lights at Quaker Island, Cross Island, and Hobson Island. Whether you are tracing the historic legends of Oak Island, seeking a quiet anchorage in the Tancook Islands, or docking in the town of Chester, Chart 4381 offers the precision required for a safe and memorable voyage. Updated to the latest Notice to Mariners (NTM), it remains the gold standard for commercial mariners and recreational sailors throughout the South Shore.

Technical Specifications

• Chart Number: 4381

• Scale: 1:40,000

• Region: Atlantic Coast (South Shore, Nova Scotia)

• Coverage: Complete Mahone Bay area, including Chester, Oak Island, the Tancook Islands, and the Aspotogan Peninsula.

• Dimensions: Approximately 33" x 47" (Standard large format).

• Latest Edition: New Edition dated April 28, 2023 (Updated to 2026 NTM standards).

Key Navigation Features

• Island Navigation: High-resolution mapping of the famous Mahone Bay islands, identifying safe passages and sheltered channels.

• Aids to Navigation: Precise locations and light characteristics for all major lighthouses and coastal buoys in the bay.

• Strategic Landmarks: Includes detailed markings for historic sites like Oak Island and major yacht clubs in Chester and Mahone Bay.

• Bathymetry: Features precise depth contours and spot soundings (in metres) to assist in anchoring and avoiding the bay’s rocky shoals.