Program
Parameter
EOV
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Resolution
3 km loaded
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California Ocean & Coastal Monitoring Inventory
An interactive inventory of ocean and coastal monitoring programs operating within 12 nautical miles of the California coast.
1
Show Programs
Programs are hidden by default. Click any program name in the legend (bottom right) to toggle it on or off. Use All On / All Off for bulk control.
2
Filter by Program, Parameter, or EOV
Use the dropdowns in the toolbar to filter by monitoring program, measured parameter, or GOOS Essential Ocean Variable (EOV).
3
Explore Hex Cells
Each hexagon represents one monitoring program at that location. Click any hex to view program details: parameters, frequency, platform, depth, and coordinate.
4
Change Resolution & Zoom
Switch between 1 km, 3 km, and 5 km hex grid resolutions using the toolbar buttons.
Additional Layers
Dischargers
WWTP/discharger monitoring stations and parameters.

Transects
Ship survey track lines for tow, trawl, acoustic, and net sampling cruises.

Bathymetry
GEBCO 2025 seafloor depth by zone (shelf, mesopelagic, deep ocean).

Monitoring Gaps
Hex cells within the 12 nmi coastal buffer with no known monitoring coverage.

Wind Energy Areas
BOEM-designated offshore wind energy areas off Humboldt and Morro Bay.
Seafloor Depth
0 m1000 m3000+ m