Station EHSC1 - North Marsh, Elkhorn Slough Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
36.835 N 121.738 W (36°50'5" N 121°44'18" W)
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(24 hours for tsunami stations)
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These oceanographic data are displayed in rounded times. Click on the graph icon in the table below to see a time series plot of the last five days of that observation. | |
| Depth (DEPTH): | 3.6 ft |
 Ocean Temperature (OTMP): | 50.90 °F |
| Conductivity (COND): | 42.33 mS/cm |
| Salinity (SAL): | 27.10 psu |
| Oxygen Saturation (O2PCT): | 86.9% |
| Oxygen Concentration (O2PPM): | 8.20 ppm |
| Turbidity (TURB): | 10 FTU |
| pH (PH): | 8.00 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-17 11:45 pm | 3.6 | 50.90 | 42.24 | 27.00 | 87.00 | 8.20 | - | 10 | 8.00 | - |
| 2026-02-17 11:30 pm | 3.6 | 50.90 | 42.14 | 27.00 | 86.70 | 8.20 | - | 10 | 8.00 | - |
| 2026-02-17 11:15 pm | 3.6 | 50.90 | 41.94 | 26.80 | 87.10 | 8.20 | - | 11 | 8.00 | - |
| 2026-02-17 11:00 pm | 3.6 | 50.90 | 41.89 | 26.80 | 85.90 | 8.10 | - | 12 | 8.00 | - |
| 2026-02-17 10:45 pm | 3.6 | 50.90 | 41.71 | 26.70 | 85.30 | 8.00 | - | 12 | 8.00 | - |
| 2026-02-17 10:30 pm | 3.6 | 50.72 | 41.64 | 26.60 | 86.40 | 8.20 | - | 12 | 8.10 | - |
| 2026-02-17 10:15 pm | 3.6 | 50.72 | 41.73 | 26.70 | 86.90 | 8.20 | - | 12 | 8.10 | - |
| 2026-02-17 10:00 pm | 3.6 | 50.72 | 41.90 | 26.80 | 86.30 | 8.10 | - | 11 | 8.10 | - |
| 2026-02-17 09:45 pm | 3.6 | 50.54 | 42.02 | 26.90 | 84.10 | 7.90 | - | 11 | 8.20 | - |
| 2026-02-17 09:30 pm | 3.6 | 50.36 | 42.15 | 27.00 | 83.40 | 7.90 | - | 11 | 8.20 | - |
| 2026-02-17 09:15 pm | 3.6 | 50.36 | 42.47 | 27.20 | 82.40 | 7.80 | - | 8 | 8.20 | - |
| 2026-02-17 09:00 pm | 3.6 | 50.36 | 42.87 | 27.50 | 82.90 | 7.80 | - | 5 | 8.30 | - |
| 2026-02-17 08:45 pm | 3.6 | 50.36 | 43.16 | 27.70 | 84.80 | 8.00 | - | 5 | 8.40 | - |
| 2026-02-17 08:30 pm | 3.6 | 50.54 | 43.17 | 27.70 | 85.80 | 8.10 | - | 5 | 8.30 | - |
| 2026-02-17 08:15 pm | 3.6 | 50.90 | 42.89 | 27.50 | 91.00 | 8.50 | - | 4 | 8.20 | - |
| 2026-02-17 08:00 pm | 3.6 | 51.08 | 43.01 | 27.60 | 92.50 | 8.70 | - | 4 | 8.20 | - |
| 2026-02-17 07:45 pm | 3.6 | 50.90 | 42.70 | 27.40 | 93.90 | 8.80 | - | 3 | 8.20 | - |
| 2026-02-17 07:30 pm | 3.6 | 50.90 | 42.64 | 27.30 | 96.70 | 9.10 | - | 3 | 8.20 | - |
| 2026-02-17 07:15 pm | 3.6 | 50.72 | 42.53 | 27.20 | 94.80 | 8.90 | - | 4 | 8.30 | - |
| 2026-02-17 07:00 pm | 3.6 | 50.72 | 42.42 | 27.20 | 95.20 | 9.00 | - | 4 | 8.30 | - |
| 2026-02-17 06:45 pm | 3.6 | 50.72 | 42.47 | 27.20 | 94.30 | 8.90 | - | 4 | 8.30 | - |
| 2026-02-17 06:30 pm | 3.6 | 50.72 | 42.69 | 27.30 | 96.10 | 9.00 | - | 5 | 8.30 | - |
| 2026-02-17 06:15 pm | 3.6 | 50.90 | 42.83 | 27.40 | 97.20 | 9.10 | - | 4 | 8.30 | - |
| 2026-02-17 06:00 pm | 3.6 | 50.90 | 42.93 | 27.50 | 99.60 | 9.30 | - | 4 | 8.30 | - |
| 2026-02-17 05:45 pm | 3.6 | 51.08 | 43.04 | 27.60 | 100.90 | 9.40 | - | 4 | 8.30 | - |
| 2026-02-17 05:30 pm | 3.6 | 50.90 | 42.99 | 27.60 | 103.70 | 9.70 | - | 4 | 8.30 | - |
| 2026-02-17 05:15 pm | 3.6 | 51.26 | 43.06 | 27.60 | 105.30 | 9.80 | - | 4 | 8.30 | - |
| 2026-02-17 05:00 pm | 3.6 | 51.26 | 43.16 | 27.70 | 107.40 | 10.00 | - | 4 | 8.30 | - |
| 2026-02-17 04:45 pm | 3.6 | 51.62 | 43.36 | 27.80 | 107.90 | 10.00 | - | 4 | 8.20 | - |
| 2026-02-17 04:30 pm | 3.6 | 51.98 | 43.89 | 28.20 | 109.40 | 10.10 | - | 4 | 8.20 | - |
| 2026-02-17 04:15 pm | 3.6 | 51.98 | 43.96 | 28.30 | 109.40 | 10.10 | - | 4 | 8.20 | - |
| 2026-02-17 04:00 pm | 3.6 | 52.16 | 44.16 | 28.40 | 111.00 | 10.20 | - | 5 | 8.20 | - |
| 2026-02-17 03:45 pm | 3.6 | 52.34 | 44.40 | 28.60 | 105.80 | 9.70 | - | 5 | 8.10 | - |
| 2026-02-17 03:30 pm | 3.6 | 53.06 | 45.23 | 29.20 | 97.00 | 8.80 | - | 4 | 8.00 | - |
| 2026-02-17 03:15 pm | 3.6 | 53.06 | 45.37 | 29.30 | 95.70 | 8.60 | - | 5 | 8.00 | - |
| 2026-02-17 03:00 pm | 3.6 | 53.06 | 45.35 | 29.30 | 95.90 | 8.70 | - | 5 | 8.00 | - |
| 2026-02-17 02:45 pm | 3.6 | 53.24 | 45.41 | 29.30 | 94.90 | 8.60 | - | 5 | 8.00 | - |
| 2026-02-17 02:30 pm | 3.6 | 53.24 | 45.66 | 29.50 | 92.50 | 8.30 | - | 6 | 8.00 | - |
| 2026-02-17 02:15 pm | 3.6 | 52.88 | 45.42 | 29.30 | 95.00 | 8.60 | - | 7 | 8.10 | - |
| 2026-02-17 02:00 pm | 3.6 | 53.24 | 45.63 | 29.50 | 92.50 | 8.30 | - | 7 | 7.90 | - |
| 2026-02-17 01:45 pm | 3.6 | 53.24 | 45.68 | 29.50 | 88.60 | 8.00 | - | 9 | 7.90 | - |
| 2026-02-17 01:30 pm | 3.6 | 53.24 | 45.72 | 29.60 | 92.40 | 8.30 | - | 7 | 7.90 | - |
| 2026-02-17 01:15 pm | 3.6 | 53.42 | 45.83 | 29.60 | 91.60 | 8.20 | - | 8 | 7.90 | - |
| 2026-02-17 01:00 pm | 3.6 | 53.42 | 45.94 | 29.70 | 92.00 | 8.20 | - | 6 | 7.90 | - |
| 2026-02-17 12:45 pm | 3.6 | 53.60 | 45.99 | 29.80 | 91.50 | 8.20 | - | 5 | 7.90 | - |
| 2026-02-17 12:30 pm | 3.6 | 53.60 | 46.03 | 29.80 | 90.20 | 8.10 | - | 4 | 7.90 | - |
| 2026-02-17 12:15 pm | 3.6 | 53.78 | 46.22 | 29.90 | 87.90 | 7.80 | - | 4 | 7.90 | - |
| 2026-02-17 12:00 pm | 3.6 | 53.60 | 46.17 | 29.90 | 89.10 | 8.00 | - | 4 | 7.90 | - |
| 2026-02-17 11:45 am | 3.6 | 53.60 | 46.15 | 29.90 | 88.80 | 7.90 | - | 4 | 7.90 | - |
| 2026-02-17 11:30 am | 3.6 | 53.60 | 46.15 | 29.90 | 88.40 | 7.90 | - | 4 | 7.90 | - |
| 2026-02-17 11:15 am | 3.6 | 53.42 | 46.09 | 29.80 | 87.30 | 7.80 | - | 4 | 7.90 | - |
| 2026-02-17 11:00 am | 3.6 | 53.24 | 46.07 | 29.80 | 87.70 | 7.90 | - | 4 | 7.90 | - |
| 2026-02-17 10:45 am | 3.6 | 53.24 | 46.07 | 29.80 | 86.70 | 7.80 | - | 4 | 7.90 | - |
| 2026-02-17 10:30 am | 3.6 | 53.06 | 46.03 | 29.80 | 85.40 | 7.70 | - | 4 | 7.90 | - |
| 2026-02-17 10:15 am | 3.6 | 53.06 | 45.95 | 29.70 | 83.30 | 7.50 | - | 4 | 7.90 | - |
| 2026-02-17 10:00 am | 3.6 | 52.88 | 45.84 | 29.60 | 81.50 | 7.40 | - | 4 | 7.90 | - |
| 2026-02-17 09:45 am | 3.6 | 52.88 | 45.71 | 29.50 | 80.50 | 7.30 | - | 4 | 7.90 | - |
| 2026-02-17 09:30 am | 3.6 | 52.70 | 45.52 | 29.40 | 79.20 | 7.20 | - | 4 | 7.90 | - |
| 2026-02-17 09:15 am | 3.6 | 52.34 | 45.32 | 29.30 | 77.30 | 7.00 | - | 4 | 7.90 | - |
| 2026-02-17 09:00 am | 3.6 | 52.16 | 45.11 | 29.10 | 75.50 | 6.90 | - | 5 | 7.90 | - |
| 2026-02-17 08:45 am | 3.6 | 52.16 | 44.94 | 29.00 | 74.80 | 6.80 | - | 5 | 7.90 | - |
| 2026-02-17 08:30 am | 3.6 | 52.16 | 44.87 | 28.90 | 73.90 | 6.80 | - | 5 | 7.90 | - |
| 2026-02-17 08:15 am | 3.6 | 52.34 | 44.79 | 28.90 | 70.50 | 6.40 | - | 5 | 7.90 | - |
| 2026-02-17 08:00 am | 3.6 | 52.34 | 44.77 | 28.90 | 69.80 | 6.40 | - | 5 | 7.90 | - |
| 2026-02-17 07:45 am | 3.6 | 52.16 | 44.66 | 28.80 | 68.30 | 6.30 | - | 5 | 7.90 | - |
| 2026-02-17 07:30 am | 3.6 | 52.16 | 44.53 | 28.70 | 68.40 | 6.30 | - | 5 | 7.90 | - |
| 2026-02-17 07:15 am | 3.6 | 52.16 | 44.50 | 28.70 | 67.90 | 6.20 | - | 5 | 7.90 | - |
| 2026-02-17 07:00 am | 3.6 | 52.16 | 44.36 | 28.60 | 65.50 | 6.00 | - | 5 | 7.90 | - |
| 2026-02-17 06:45 am | 3.6 | 52.34 | 44.15 | 28.40 | 67.70 | 6.20 | - | 5 | 7.90 | - |
| 2026-02-17 06:30 am | 3.6 | 52.16 | 44.11 | 28.40 | 67.20 | 6.20 | - | 5 | 8.00 | - |
| 2026-02-17 06:15 am | 3.6 | 51.98 | 44.47 | 28.60 | 65.60 | 6.00 | - | 4 | 8.00 | - |
| 2026-02-17 06:00 am | 3.6 | 51.44 | 44.54 | 28.70 | 68.60 | 6.30 | - | 4 | 8.10 | - |
| 2026-02-17 05:45 am | 3.6 | 51.98 | 44.72 | 28.80 | 63.20 | 5.80 | - | 4 | 8.10 | - |
| 2026-02-17 05:30 am | 3.6 | 52.70 | 45.08 | 29.10 | 58.90 | 5.30 | - | 5 | 8.00 | - |
| 2026-02-17 05:15 am | 3.6 | 53.24 | 45.61 | 29.50 | 57.40 | 5.20 | - | 4 | 7.90 | - |
| 2026-02-17 05:00 am | 3.6 | 52.52 | 45.14 | 29.10 | 63.60 | 5.80 | - | 5 | 8.00 | - |
| 2026-02-17 04:45 am | 3.6 | 52.88 | 45.35 | 29.30 | 62.70 | 5.70 | - | 4 | 8.00 | - |
| 2026-02-17 04:30 am | 3.6 | 53.24 | 45.57 | 29.50 | 62.00 | 5.60 | - | 4 | 7.90 | - |
| 2026-02-17 04:15 am | 3.6 | 53.42 | 45.65 | 29.50 | 57.40 | 5.20 | - | 4 | 7.90 | - |
| 2026-02-17 04:00 am | 3.6 | 53.78 | 45.82 | 29.60 | 63.90 | 5.70 | - | 7 | 7.90 | - |
| 2026-02-17 03:45 am | 3.6 | 53.96 | 45.99 | 29.80 | 67.50 | 6.00 | - | 3 | 7.90 | - |
| 2026-02-17 03:30 am | 3.6 | 53.96 | 45.98 | 29.80 | 71.60 | 6.40 | - | 4 | 7.90 | - |
| 2026-02-17 03:15 am | 3.6 | 54.14 | 46.05 | 29.80 | 74.80 | 6.60 | - | 4 | 7.90 | - |
| 2026-02-17 03:00 am | 3.6 | 53.96 | 45.92 | 29.70 | 74.70 | 6.60 | - | 4 | 7.90 | - |
| 2026-02-17 02:45 am | 3.6 | 54.14 | 46.01 | 29.80 | 73.90 | 6.60 | - | 4 | 7.90 | - |
| 2026-02-17 02:30 am | 3.6 | 54.32 | 46.08 | 29.80 | 74.90 | 6.70 | - | 4 | 7.90 | - |
| 2026-02-17 02:15 am | 3.6 | 54.32 | 46.17 | 29.90 | 76.30 | 6.80 | - | 4 | 7.90 | - |
| 2026-02-17 02:00 am | 3.6 | 54.32 | 46.22 | 30.00 | 80.00 | 7.10 | - | 5 | 7.90 | - |
| 2026-02-17 01:45 am | 3.6 | 54.32 | 46.19 | 29.90 | 80.40 | 7.10 | - | 6 | 7.90 | - |
| 2026-02-17 01:30 am | 3.6 | 54.32 | 46.10 | 29.90 | 81.00 | 7.20 | - | 5 | 7.90 | - |
| 2026-02-17 01:15 am | 3.6 | 54.32 | 45.99 | 29.80 | 82.20 | 7.30 | - | 5 | 7.90 | - |
| 2026-02-17 01:00 am | 3.6 | 54.14 | 45.92 | 29.70 | 81.90 | 7.30 | - | 5 | 8.00 | - |
| 2026-02-17 12:45 am | 3.6 | 54.14 | 45.85 | 29.70 | 84.00 | 7.50 | - | 5 | 8.00 | - |
| 2026-02-17 12:30 am | 3.6 | 54.14 | 45.72 | 29.60 | 84.30 | 7.50 | - | 6 | 8.00 | - |
| 2026-02-17 12:15 am | 3.6 | 53.96 | 45.50 | 29.40 | 84.40 | 7.50 | - | 7 | 8.00 | - |
| 2026-02-17 12:00 am | 3.6 | 53.96 | 45.37 | 29.30 | 84.20 | 7.50 | - | 7 | 8.00 | - |
Historical data for station EHSC1 are available at the NERRS website.
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