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Ocean data & seafloor

Explore seafloor shading and source forecasts around Denman and Hornby Islands. These layers support exploration; they are not navigation charts or a trip safety assessment.

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CHS NONNA source notice

This product was made by Pat & Tony Data Services and contains intellectual property of the Canadian Hydrographic Service (CHS) of the Department of Fisheries and Oceans. This product does not meet the requirements of the Navigation Safety Regulations, 2020 under the Canada Shipping Act, 2001. Charts and publications issued by or on the authority of CHS must be used to meet the requirements of those regulations. The copyright in the data are and remain the property of His Majesty the King in Right of Canada and shall not be sold, licensed, leased, assigned or given to a third party. The incorporation of CHS data in this product does not constitute an endorsement or an approval of this product by the Canadian Hydrographic Service, the Department of Fisheries and Oceans or His Majesty the King in Right of Canada.

CHS NONNA 10: nominal 10m, locally derived Chart Datum. Coverage and survey dates vary. Gaps are not zero depth; colours are not numeric soundings.

Marine source context

Named marine areas, reporting stations and nearby wave-model cells each describe different places. Missing warnings are not an all-clear.

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Available weather forecast · Explore CatchWindow