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Services and information
Marine weather
Marine forecasts and warnings for regions in Canada.
Tides, currents and water levels
Vertical datums, predictions, observations, archives and history.
Nautical charts
Find, purchase, register or update a chart, locate a dealer, notices to mariners.
Buoys, lights and aids to navigation
Lights, buoys and fog signals, sailing directions, reference stations, levels of service and outage reporting.
Navigation by region
Weather, tides, ice, hazards, notices and charts by waterway.
Wave data
Buoy status reports, format descriptions, and wind and wave climate hindcasts.
Ice and icebreaking
Charts, current conditions, ice operations centres, icebreaker vessels and services, photo gallery.
Marine communications and traffic services
MCTS centres, shipping notices, vessel traffic management, radio aids, global maritime distress and safety systems.
Features
CHS Digital Transformation Initiative

At the Canadian Hydrographic Service, innovation is a guiding principle for the bold digital transformation initiative now underway.
2025 Tide Tables Available Now

Download your 2025 Canadian Tide and Current Tables now to help navigate safely through Canadian waters.
Download Sailing Directions today

Discover free, downloadable Sailing Directions or purchase the booklet as an indispensable companion to nautical charts before sailing.
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