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Marine Information Reporting (MAREP)

CHS relies on mariners to notify us when dangers to navigation are discovered or corrections to nautical charts and publications seem necessary. It is important to provide as much information as possible so that we can quickly update the affected product and ensure safety to navigation.


Reporter information

Observation details

Unfortunately, we are not able to accept file uploads using the MAREP form at this time. If you have a photo of the area or feature, or a screenshot of your chart plotter showing the location coordinates, please send it to chsinfo@dfo-mpo.gc.ca.

Affected CHS nautical charts and/or publications

Nautical charts

Nautical publications

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