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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): | 2.6 ft |
 Ocean Temperature (OTMP): | 75.20 °F |
| Conductivity (COND): | 50.77 mS/cm |
| Salinity (SAL): | 33.30 psu |
| Oxygen Concentration (O2PCT): | 89.7% |
| Oxygen Concentration (O2PPM): | 6.20 ppm |
| Turbidity (TURB): | 110 FTU |
| pH (PH): | 8.20 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-05-11 05:45 pm | 2.6 | 75.56 | 50.99 | 33.50 | 88.50 | 6.10 | - | 101 | 8.20 | - |
| 2025-05-11 05:30 pm | 2.6 | 75.20 | 50.65 | 33.20 | 91.40 | 6.40 | - | 104 | 8.20 | - |
| 2025-05-11 05:15 pm | 2.6 | 74.84 | 50.89 | 33.40 | 97.10 | 6.80 | - | 88 | 8.20 | - |
| 2025-05-11 05:00 pm | 2.6 | 74.66 | 50.81 | 33.40 | 97.30 | 6.80 | - | 96 | 8.20 | - |
| 2025-05-11 04:45 pm | 2.6 | 74.30 | 50.49 | 33.10 | 89.40 | 6.30 | - | 85 | 8.20 | - |
| 2025-05-11 04:30 pm | 2.6 | 73.94 | 50.92 | 33.50 | 88.70 | 6.20 | - | 86 | 8.20 | - |
| 2025-05-11 04:15 pm | 2.6 | 73.58 | 50.78 | 33.40 | 91.00 | 6.40 | - | 91 | 8.10 | - |
| 2025-05-11 04:00 pm | 2.6 | 73.40 | 50.74 | 33.30 | 76.10 | 5.40 | - | 99 | 8.10 | - |
| 2025-05-11 03:45 pm | 2.6 | 73.22 | 50.78 | 33.40 | 83.50 | 5.90 | - | 95 | 8.10 | - |
| 2025-05-11 03:30 pm | 2.6 | - | 50.87 | 33.40 | 89.90 | 6.40 | - | 90 | 8.10 | - |
| 2025-05-11 03:15 pm | 2.6 | 72.68 | 50.83 | 33.40 | 91.90 | 6.60 | - | 100 | 8.10 | - |
| 2025-05-11 03:00 pm | 2.6 | 72.50 | 50.87 | 33.40 | 88.80 | 6.30 | - | 108 | 8.10 | - |
| 2025-05-11 02:45 pm | 2.6 | 72.32 | 50.66 | 33.30 | 88.10 | 6.30 | - | 102 | 8.10 | - |
| 2025-05-11 02:30 pm | 2.6 | 72.14 | 50.52 | 33.20 | 73.50 | 5.30 | - | 118 | 8.10 | - |
| 2025-05-11 02:15 pm | 2.6 | 72.14 | 50.80 | 33.40 | 76.70 | 5.50 | - | 93 | 8.10 | - |
| 2025-05-11 02:00 pm | 2.6 | 71.96 | 50.63 | 33.30 | 86.60 | 6.20 | - | 90 | 8.10 | - |
| 2025-05-11 01:45 pm | 2.6 | 71.96 | 50.77 | 33.40 | 94.60 | 6.80 | - | 97 | 8.10 | - |
| 2025-05-11 01:30 pm | 2.6 | 71.78 | 50.84 | 33.40 | 88.70 | 6.40 | - | 86 | 8.10 | - |
| 2025-05-11 01:15 pm | 2.6 | 71.60 | 51.20 | 33.70 | 98.30 | 7.10 | - | 77 | 8.10 | - |
| 2025-05-11 01:00 pm | 2.6 | 71.42 | 51.08 | 33.60 | 100.20 | 7.20 | - | 81 | 8.20 | - |
| 2025-05-11 12:45 pm | 2.6 | 71.42 | 51.18 | 33.70 | 96.50 | 7.00 | - | 76 | 8.10 | - |
| 2025-05-11 12:30 pm | 2.6 | 71.06 | 51.30 | 33.80 | 86.30 | 6.20 | - | 62 | 8.10 | - |
| 2025-05-11 12:15 pm | 2.6 | 70.88 | 51.34 | 33.80 | 93.40 | 6.80 | - | 81 | 8.10 | - |
| 2025-05-11 12:00 pm | 2.6 | 70.52 | 51.46 | 33.90 | 85.50 | 6.20 | - | 60 | 8.10 | - |
| 2025-05-11 11:45 am | 2.6 | 70.16 | 51.54 | 33.90 | 82.90 | 6.00 | - | 56 | 8.10 | - |
| 2025-05-11 11:30 am | 2.6 | 69.62 | 51.65 | 34.00 | 81.50 | 6.00 | - | 57 | 8.10 | - |
| 2025-05-11 11:15 am | 2.6 | 68.90 | 51.76 | 34.10 | 74.20 | 5.50 | - | 60 | 8.10 | - |
| 2025-05-11 11:00 am | 2.6 | 68.00 | 51.87 | 34.20 | 66.70 | 5.00 | - | 24 | 8.10 | - |
| 2025-05-11 10:45 am | 2.6 | 67.28 | 52.06 | 34.30 | 59.80 | 4.50 | - | 41 | 8.10 | - |
| 2025-05-11 10:30 am | 2.6 | 66.74 | 52.39 | 34.60 | 50.20 | 3.80 | - | 33 | 8.10 | - |
| 2025-05-11 10:15 am | 2.6 | 66.20 | 52.66 | 34.80 | 43.50 | 3.30 | - | 40 | 8.10 | - |
| 2025-05-11 10:00 am | 2.6 | 65.66 | 53.21 | 35.20 | 34.30 | 2.60 | - | 46 | 8.10 | - |
| 2025-05-11 09:45 am | 2.6 | 64.94 | 53.65 | 35.50 | 29.90 | 2.30 | - | 42 | 8.20 | - |
| 2025-05-11 09:30 am | 2.6 | 64.22 | 54.11 | 35.80 | 24.60 | 1.90 | - | 34 | 8.20 | - |
| 2025-05-11 09:15 am | 2.6 | 63.50 | 54.72 | 36.30 | 14.20 | 1.10 | - | 44 | 8.20 | - |
| 2025-05-11 09:00 am | 2.6 | 62.60 | 55.40 | 36.80 | 8.70 | 0.70 | - | 43 | 8.30 | - |
| 2025-05-11 08:45 am | 2.6 | 62.42 | 55.70 | 37.00 | 5.60 | 0.40 | - | 46 | 8.30 | - |
| 2025-05-11 08:30 am | 2.6 | 61.34 | 56.05 | 37.30 | - | - | - | 41 | 8.40 | - |
| 2025-05-11 08:15 am | 2.6 | 59.90 | 55.72 | 37.00 | - | - | - | 53 | 8.50 | - |
| 2025-05-11 08:00 am | 2.6 | 59.72 | 55.72 | 37.00 | - | - | - | 56 | 8.50 | - |
| 2025-05-11 07:45 am | 2.6 | 59.36 | 55.45 | 36.80 | - | - | - | 23 | 8.50 | - |
| 2025-05-11 07:30 am | 2.6 | - | 55.05 | 36.50 | - | - | - | 50 | 8.40 | - |
| 2025-05-11 07:15 am | 2.6 | 59.18 | 54.74 | 36.30 | - | - | - | 14 | 8.40 | - |
| 2025-05-11 07:00 am | 2.6 | - | 54.34 | 36.00 | - | - | - | 14 | 8.40 | - |
| 2025-05-11 06:45 am | 2.3 | 59.18 | 53.96 | 35.70 | - | - | - | 18 | 8.30 | - |
| 2025-05-11 06:30 am | 2.6 | 59.18 | 53.54 | 35.40 | - | - | - | 17 | 8.20 | - |
| 2025-05-11 06:15 am | 2.6 | 59.54 | 53.37 | 35.30 | - | - | - | 42 | 8.20 | - |
| 2025-05-11 06:00 am | 2.6 | 59.72 | 53.00 | 35.00 | - | - | - | 15 | 8.10 | - |
| 2025-05-11 05:45 am | 2.6 | 59.90 | 52.67 | 34.70 | - | - | - | 22 | 8.10 | - |
| 2025-05-11 05:30 am | 2.6 | 60.08 | 52.47 | 34.60 | - | - | - | 15 | 8.00 | - |
| 2025-05-11 05:15 am | 2.6 | 60.26 | 52.22 | 34.40 | - | - | - | 17 | 8.00 | - |
| 2025-05-11 05:00 am | 2.6 | 60.44 | 52.06 | 34.30 | - | - | - | 14 | 8.00 | - |
| 2025-05-11 04:45 am | 2.6 | 60.62 | 52.11 | 34.30 | - | - | - | 14 | 8.00 | - |
| 2025-05-11 04:30 am | 2.6 | 60.80 | 52.09 | 34.30 | - | 0.10 | - | 13 | 8.00 | - |
| 2025-05-11 04:15 am | 2.6 | 60.98 | 51.88 | 34.20 | 2.20 | 0.20 | - | 16 | 8.00 | - |
| 2025-05-11 04:00 am | 2.6 | 60.62 | 51.67 | 34.00 | 6.20 | 0.50 | - | 13 | 8.00 | - |
| 2025-05-11 03:45 am | 2.6 | 60.62 | 51.63 | 34.00 | 8.90 | 0.70 | - | 13 | 8.00 | - |
| 2025-05-11 03:30 am | 2.6 | 60.26 | 51.82 | 34.10 | 7.80 | 0.60 | - | 12 | 8.00 | - |
| 2025-05-11 03:15 am | 3.0 | 60.98 | 51.41 | 33.80 | 18.00 | 1.40 | - | 11 | 8.00 | - |
| 2025-05-11 03:00 am | 3.0 | 61.88 | 51.10 | 33.60 | 33.70 | 2.70 | - | 12 | 8.00 | - |
| 2025-05-11 02:45 am | 3.0 | 62.42 | 51.06 | 33.60 | 41.60 | 3.30 | - | 16 | 8.00 | - |
| 2025-05-11 02:30 am | 3.0 | 64.58 | 50.68 | 33.30 | 53.10 | 4.10 | - | 17 | 8.10 | - |
| 2025-05-11 02:15 am | 3.0 | 64.94 | 50.73 | 33.40 | 60.40 | 4.70 | - | 88 | 8.10 | - |
| 2025-05-11 02:00 am | 3.0 | 65.12 | 50.65 | 33.30 | 61.30 | 4.70 | - | 76 | 8.10 | - |
| 2025-05-11 01:45 am | 3.0 | 65.30 | 50.57 | 33.20 | 66.20 | 5.10 | - | 92 | 8.10 | - |
| 2025-05-11 01:30 am | 3.0 | 65.48 | 50.55 | 33.20 | 67.90 | 5.20 | - | 87 | 8.10 | - |
| 2025-05-11 01:15 am | 3.0 | 65.66 | 50.57 | 33.20 | 73.20 | 5.60 | - | 92 | 8.10 | - |
| 2025-05-11 01:00 am | 3.0 | 65.66 | 50.50 | 33.20 | 76.00 | 5.80 | - | 60 | 8.10 | - |
| 2025-05-11 12:45 am | 3.0 | 65.84 | 50.56 | 33.20 | 79.70 | 6.10 | - | 66 | 8.20 | - |
| 2025-05-11 12:30 am | 3.0 | 66.20 | 50.53 | 33.20 | 81.80 | 6.20 | - | 12 | 8.20 | - |
| 2025-05-11 12:15 am | 3.0 | 66.74 | 50.68 | 33.30 | 83.20 | 6.30 | - | 72 | 8.20 | - |
| 2025-05-11 12:00 am | 3.0 | 67.46 | 50.81 | 33.40 | 86.30 | 6.50 | - | 54 | 8.20 | - |
| 2025-05-10 11:45 pm | 3.0 | 68.18 | 50.87 | 33.50 | 88.90 | 6.60 | - | 38 | 8.20 | - |
| 2025-05-10 11:30 pm | 3.0 | 68.54 | 50.91 | 33.50 | 88.80 | 6.60 | - | 37 | 8.20 | - |
| 2025-05-10 11:15 pm | 3.0 | 68.72 | 50.97 | 33.50 | 91.60 | 6.80 | - | 77 | 8.30 | - |
| 2025-05-10 11:00 pm | 3.0 | 69.08 | 50.89 | 33.50 | 92.00 | 6.80 | - | 54 | 8.30 | - |
| 2025-05-10 10:45 pm | 3.0 | 69.26 | 50.91 | 33.50 | 91.40 | 6.70 | - | 73 | 8.30 | - |
| 2025-05-10 10:30 pm | 3.0 | 69.44 | 50.95 | 33.50 | 96.90 | 7.10 | - | 40 | 8.30 | - |
| 2025-05-10 10:15 pm | 2.6 | 69.62 | 50.95 | 33.50 | 93.00 | 6.80 | - | 23 | 8.30 | - |
| 2025-05-10 10:00 pm | 2.6 | 69.80 | 51.01 | 33.60 | 98.80 | 7.20 | - | 58 | 8.30 | - |
| 2025-05-10 09:45 pm | 2.6 | 70.16 | 51.08 | 33.60 | 97.80 | 7.10 | - | 71 | 8.30 | - |
| 2025-05-10 09:30 pm | 2.6 | 70.34 | 51.04 | 33.60 | 102.10 | 7.40 | - | 77 | 8.30 | - |
| 2025-05-10 09:15 pm | 2.6 | 70.70 | 50.98 | 33.50 | 107.00 | 7.80 | - | 16 | 8.30 | - |
| 2025-05-10 09:00 pm | 2.6 | 71.06 | 51.21 | 33.70 | 115.90 | 8.40 | - | 10 | 8.40 | - |
| 2025-05-10 08:45 pm | 2.6 | 71.06 | 51.29 | 33.80 | 115.50 | 8.30 | - | 10 | 8.40 | - |
| 2025-05-10 08:30 pm | 2.6 | 71.24 | 51.38 | 33.80 | 114.00 | 8.20 | - | 10 | 8.30 | - |
| 2025-05-10 08:15 pm | 2.6 | 71.24 | 51.25 | 33.70 | 110.90 | 8.00 | - | 10 | 8.30 | - |
| 2025-05-10 08:00 pm | 2.6 | 71.60 | 51.19 | 33.70 | 109.10 | 7.80 | - | 10 | 8.20 | - |
| 2025-05-10 07:45 pm | 2.6 | 71.96 | 51.30 | 33.80 | 108.80 | 7.80 | - | 12 | 8.20 | - |
| 2025-05-10 07:30 pm | 2.6 | 71.96 | 51.22 | 33.70 | 105.10 | 7.50 | - | 10 | 8.20 | - |
| 2025-05-10 07:15 pm | 2.6 | 72.32 | 51.20 | 33.70 | 105.00 | 7.50 | - | 10 | 8.20 | - |
| 2025-05-10 07:00 pm | 2.6 | 72.68 | 51.21 | 33.70 | 102.20 | 7.30 | - | 10 | 8.20 | - |
Links which are specific to this station are listed below:
Real Time Data in tabular form for the last forty-five days.
Historical Data & Climatic Summaries for quality controlled data for prior months and years.
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