California Ocean & Coastal Monitoring Inventoryⓘ Includes monitoring within 12 nautical miles of the California coast only
Program
All Programs▼
Select allClear
Parameter
All Parameters▼
Select allClear
EOV
All EOVs▼
Select allClear
Layers
Not loaded
Filter Dischargers
×
Name
All Dischargers▼
Select allClear
Type
All Types▼
Select allClear
Parameter
All Parameters▼
Select allClear
Not loaded
Not loaded
Not loaded
Other Layers▼
BOEM-designated offshore wind energy areas off Humboldt and Morro Bay.
Not loaded
State Water Quality Protection Areas – Areas of Special Biological Significance.
Not loaded
State Water Board program monitoring bacteria levels at California beaches to protect public health.
Not loaded
Resolution
3 km loaded
🌊
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.