4406 - Tryon Shoals to Cape Egmont Navigation Chart (PEI)

Navigate the central-western waters of the Northumberland Strait with the Canadian Hydrographic Service (CHS) Nautical Chart 4406. This official marine chart provides essential coverage for the coast of Prince Edward Island from Tryon Shoals to Cape Egmont.Mapped at a detailed 1:75,574 scale, Chart 4406 is the primary navigational resource for mariners transiting the waters near the Confederation Bridge and exploring the red sandstone bays of the Island’s southern shore.

As an official CHS publication, this chart is meticulously engineered for the safety of commercial shipping, ferry operations, and recreational boaters.It features comprehensive bathymetric soundings (in metres) and detailed seafloor composition, critical for avoiding the extensive drying flats and shifting sands of Tryon Shoals and Borden Point. The chart provides accurate positioning for all major navigation aids, including the lights at Cape Egmont and the structural markers for the Confederation Bridge transit. Updated to the latest Notice to Mariners (NTM), Chart 4406 ensures you have the precision required for a safe passage through the heart of the Northumberland Strait, providing clear data on tides, currents, and underwater hazards.

Technical Specifications

• Chart Number: 4406

• Scale: 1:75,574

• Region: Atlantic Coast (Northumberland Strait, PEI)

• Coverage: Tryon Shoals, Borden-Carleton (Confederation Bridge), Seven Mile Bay, Bedeque Bay (approaches), and Cape Egmont.

• Dimensions: Approximately 36" x 41" (Standard large format).

• Edition Date: 1998-02-27 (Updated to 2026 NTM standards).

Key Navigation Features

• Confederation Bridge Transit: Detailed bathymetry and marker data for safely navigating the passage under the bridge between Borden-Carleton, PEI and Cape Jourimain, NB.

• Shoal Hazard Identification: Specialized mapping of the Tryon Shoals area to help mariners avoid the extensive shallow-water zones.

• Aids to Navigation: Precise locations and light characteristics for Cape Egmont, Seacow Head, and the bridge navigation lights.

• Safety Information: Clearly identifies submerged cables, seasonal buoys, and the strong tidal currents common in this narrow section of the strait.