Supported Locations
West Coast USA
From Ucluelet to Ensenada. California coast data accuracy is 1-arc seconds (~30m), all other areas are 3-arc seconds (~100m).
East Coast USA
From Grand Manan Island to South Padre Island. Data accuracy is 3-arc seconds (~100m).
Hawaii & Puerto Rico
Data accuracy is 3-arc seconds (~100m).
French Mediterranean
Golfe du Lion to Côte d'Azur. Data accuracy is 3-arc seconds (~100m).
Atlantic Coast and English Channel
From Gijon to Cromer. Data accuracy is 3-arc seconds (~100m).
United Kingdom and Ireland
Data accuracy is 3-arc seconds (~100m).
Mariana Trench
Data accuracy is 6-arc seconds (~200m).
Scroll down for larger images. Images and bathymetric data are provided by NOAA and SHOM. See Data Sources for full acknowledgements.