CTD profiles were collected by the U.S. Geological Survey (USGS) Pacific Coastal and Marine Science Center to measure the physical characteristics of Corte Madera tidal creek over the course of a tidal cycle during one of the largest spring tides in both Winter and Summer. Conductivity, temperature, and pressure data were collected, as well as suspended-sediment concentration in the water column. Each profile was collected from surface to bed. Profiles were collected on 4 days: August 8 and 9 of 2022 and January 19 and 20 of 2023. Data files are grouped by season (summer or winter).