Sharps Island

Near Tilghman Island, MD, near Sharps Island Lighthouse
38.619, -76.41

This is the deepest-water 2025 station, so it is the first to observe the onset of hypoxic conditions in a mainstem Chesapeake Bay Program water-quality segment.

  • Data visualizations for this location are available at the IOOS website.
  • QA/QCed data are available for this location for 2024 and 2025.
  • Quality control information is available at this IOOS webpage.
Parameter Value Unit Date Graphs
Depth: 2.00m
Dissolved Oxygen Concentration 7.1 mg/L 2026-09-07 2:30 AM EDT 1 | 7 | 30
Salinity 17.2 PSU 2026-09-07 2:30 AM EDT 1 | 7 | 30
Temperature 27.3 °C 2026-09-07 2:30 AM EDT 1 | 7 | 30
Depth: 5.00m
Dissolved Oxygen Concentration 6.1 mg/L 2026-09-07 2:30 AM EDT 1 | 7 | 30
Salinity 16.3 PSU 2026-09-07 2:30 AM EDT 1 | 7 | 30
Temperature 27.3 °C 2026-09-07 2:30 AM EDT 1 | 7 | 30
Depth: 8.00m
Dissolved Oxygen Concentration 6.3 mg/L 2026-09-07 2:30 AM EDT 1 | 7 | 30
Salinity 16.5 PSU 2026-09-07 2:30 AM EDT 1 | 7 | 30
Temperature 27.3 °C 2026-09-07 2:30 AM EDT 1 | 7 | 30
Depth: 11.00m
Dissolved Oxygen Concentration - - - 1 | 7 | 30
Salinity - - - 1 | 7 | 30
Temperature - - - 1 | 7 | 30
Depth: 13.00m
Dissolved Oxygen Concentration 0.5 mg/L 2026-09-07 2:30 AM EDT 1 | 7 | 30
Salinity 16.6 PSU 2026-09-07 2:30 AM EDT 1 | 7 | 30
Temperature 27.3 °C 2026-09-07 2:30 AM EDT 1 | 7 | 30
Depth: 15.00m
Dissolved Oxygen Concentration 0.4 mg/L 2026-09-07 2:30 AM EDT 1 | 7 | 30
Salinity 20.9 PSU 2026-09-07 2:30 AM EDT 1 | 7 | 30
Temperature 27.3 °C 2026-09-07 2:30 AM EDT 1 | 7 | 30

This is the deepest-water 2025 station, so it is the first to observe the onset of hypoxic conditions in a mainstem Chesapeake Bay Program water-quality segment.

  • Data visualizations for this location are available at the IOOS website.
  • QA/QCed data are available for this location for 2024 and 2025.
  • Quality control information is available at this IOOS webpage.