View the latest observations near East Pacific Tropical Storm Trudy and East Pacific Hurricane Simon.
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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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): | 4.6 ft |
 Ocean Temperature (OTMP): | 63.32 °F |
| Conductivity (COND): | 53.47 mS/cm |
| Salinity (SAL): | 35.40 psu |
| Oxygen Saturation (O2PCT): | 69.8% |
| Oxygen Concentration (O2PPM): | 5.40 ppm |
| Turbidity (TURB): | 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-14 08:45 am | 4.6 | 63.50 | 53.82 | 35.60 | 68.50 | 5.30 | - | 6 | 8.20 | - |
| 2026-10-14 08:30 am | 4.6 | 63.68 | 54.17 | 35.90 | 51.40 | 4.00 | - | 6 | 8.20 | - |
| 2026-10-14 08:15 am | 4.6 | 63.50 | 54.52 | 36.10 | 51.20 | 3.90 | - | 6 | 8.20 | - |
| 2026-10-14 08:00 am | 4.6 | 63.86 | 55.03 | 36.50 | 44.70 | 3.40 | - | 7 | 8.20 | - |
| 2026-10-14 07:45 am | 4.6 | 63.86 | 55.01 | 36.50 | 42.10 | 3.20 | - | 7 | 8.10 | - |
| 2026-10-14 07:30 am | 4.6 | 63.86 | 55.00 | 36.50 | 51.00 | 3.90 | - | 5 | 8.20 | - |
| 2026-10-14 07:15 am | 4.6 | 64.04 | 54.99 | 36.50 | 48.80 | 3.70 | - | 5 | 8.20 | - |
| 2026-10-14 07:00 am | 4.6 | 64.04 | 54.98 | 36.50 | 50.10 | 3.80 | - | 6 | 8.20 | - |
| 2026-10-14 06:45 am | 4.6 | 64.04 | 54.95 | 36.50 | 47.40 | 3.60 | - | 6 | 8.20 | - |
| 2026-10-14 06:30 am | 4.6 | 64.04 | 54.95 | 36.50 | 48.30 | 3.70 | - | 6 | 8.20 | - |
| 2026-10-14 06:15 am | 4.6 | 64.04 | 54.84 | 36.40 | 42.70 | 3.30 | - | 6 | 8.10 | - |
| 2026-10-14 06:00 am | 4.6 | 64.04 | 54.81 | 36.40 | 43.50 | 3.30 | - | 5 | 8.10 | - |
| 2026-10-14 05:45 am | 4.6 | 63.86 | 54.65 | 36.20 | 49.50 | 3.80 | - | 5 | 8.10 | - |
| 2026-10-14 05:30 am | 4.6 | 63.68 | 53.78 | 35.60 | 72.40 | 5.60 | - | 6 | 8.10 | - |
| 2026-10-14 05:15 am | 4.6 | 63.50 | 52.76 | 34.80 | 86.70 | 6.70 | - | 6 | 8.20 | - |
| 2026-10-14 05:00 am | 4.6 | 63.50 | 52.30 | 34.50 | 95.00 | 7.40 | - | 7 | 8.20 | - |
| 2026-10-14 04:45 am | 4.6 | 63.32 | 52.26 | 34.50 | 95.60 | 7.40 | - | 6 | 8.20 | - |
| 2026-10-14 04:30 am | 4.6 | 63.32 | 52.21 | 34.40 | 96.80 | 7.50 | - | 7 | 8.20 | - |
| 2026-10-14 04:15 am | 4.6 | 63.32 | 52.22 | 34.40 | 96.70 | 7.50 | - | 7 | 8.20 | - |
| 2026-10-14 04:00 am | 4.6 | 63.14 | 52.21 | 34.40 | 97.50 | 7.60 | - | 7 | 8.20 | - |
| 2026-10-14 03:45 am | 4.6 | 63.14 | 52.25 | 34.50 | 96.70 | 7.60 | - | 7 | 8.20 | - |
| 2026-10-14 03:30 am | 4.6 | 62.96 | 52.31 | 34.50 | 97.50 | 7.60 | - | 7 | 8.20 | - |
| 2026-10-14 03:15 am | 4.6 | 62.96 | 52.38 | 34.60 | 96.60 | 7.60 | - | 7 | 8.20 | - |
| 2026-10-14 03:00 am | 4.6 | 62.96 | 52.48 | 34.60 | 95.70 | 7.50 | - | 7 | 8.20 | - |
| 2026-10-14 02:45 am | 4.6 | 63.14 | 52.60 | 34.70 | 97.40 | 7.60 | - | 8 | 8.30 | - |
| 2026-10-14 02:30 am | 4.6 | 63.32 | 52.76 | 34.80 | 98.40 | 7.70 | - | 10 | 8.30 | - |
| 2026-10-14 02:15 am | 4.6 | 63.68 | 52.90 | 34.90 | 98.80 | 7.60 | - | 7 | 8.30 | - |
| 2026-10-14 02:00 am | 4.6 | 63.86 | 53.10 | 35.10 | 99.50 | 7.70 | - | 7 | 8.30 | - |
| 2026-10-14 01:45 am | 4.6 | 64.22 | 53.34 | 35.30 | 102.10 | 7.80 | - | 6 | 8.30 | - |
| 2026-10-14 01:30 am | 4.6 | 64.58 | 53.63 | 35.50 | 104.90 | 8.00 | - | 7 | 8.40 | - |
| 2026-10-14 01:15 am | 4.6 | 65.30 | 53.99 | 35.80 | 105.60 | 8.00 | - | 6 | 8.40 | - |
| 2026-10-14 01:00 am | 4.6 | 65.30 | 54.23 | 35.90 | 93.10 | 7.00 | - | 6 | 8.40 | - |
| 2026-10-14 12:45 am | 4.6 | 65.66 | 54.51 | 36.20 | 98.00 | 7.40 | - | 6 | 8.40 | - |
| 2026-10-14 12:30 am | 4.6 | 65.66 | 54.66 | 36.30 | 100.50 | 7.60 | - | 6 | 8.30 | - |
| 2026-10-14 12:15 am | 4.6 | 65.66 | 54.60 | 36.20 | 102.80 | 7.70 | - | 6 | 8.30 | - |
| 2026-10-14 12:00 am | 4.6 | 65.84 | 54.60 | 36.20 | 110.10 | 8.30 | - | 7 | 8.40 | - |
| 2026-10-13 11:45 pm | 4.6 | 65.84 | 54.49 | 36.10 | 111.00 | 8.30 | - | 7 | 8.40 | - |
| 2026-10-13 11:30 pm | 4.6 | 66.02 | 54.55 | 36.20 | 121.20 | 9.10 | - | 8 | 8.40 | - |
| 2026-10-13 11:15 pm | 4.6 | 66.02 | 54.49 | 36.10 | 122.80 | 9.20 | - | 7 | 8.40 | - |
| 2026-10-13 11:00 pm | 4.6 | 66.20 | 54.41 | 36.10 | 123.80 | 9.30 | - | 7 | 8.40 | - |
| 2026-10-13 10:45 pm | 4.6 | 66.20 | 54.37 | 36.00 | 127.80 | 9.60 | - | 7 | 8.40 | - |
| 2026-10-13 10:30 pm | 4.6 | 66.20 | 54.19 | 35.90 | 132.80 | 10.00 | - | 8 | 8.50 | - |
| 2026-10-13 10:15 pm | 4.6 | 66.38 | 53.97 | 35.70 | 138.20 | 10.40 | - | 7 | 8.50 | - |
| 2026-10-13 10:00 pm | 4.6 | 66.38 | 53.98 | 35.80 | 140.10 | 10.50 | - | 7 | 8.50 | - |
| 2026-10-13 09:45 pm | 4.6 | 66.56 | 53.98 | 35.80 | 142.70 | 10.70 | - | 7 | 8.50 | - |
| 2026-10-13 09:30 pm | 4.6 | 66.74 | 54.00 | 35.80 | 144.60 | 10.80 | - | 7 | 8.50 | - |
| 2026-10-13 09:15 pm | 4.6 | 66.74 | 54.03 | 35.80 | 146.20 | 10.90 | - | 7 | 8.50 | - |
| 2026-10-13 09:00 pm | 4.6 | 66.92 | 54.02 | 35.80 | 148.20 | 11.00 | - | 7 | 8.50 | - |
| 2026-10-13 08:45 pm | 4.6 | 67.10 | 54.00 | 35.80 | 150.40 | 11.20 | - | 7 | 8.50 | - |
| 2026-10-13 08:30 pm | 4.6 | 67.10 | 53.95 | 35.70 | 153.00 | 11.40 | - | 7 | 8.50 | - |
| 2026-10-13 08:15 pm | 4.6 | 67.10 | 53.92 | 35.70 | 154.40 | 11.50 | - | 7 | 8.50 | - |
| 2026-10-13 08:00 pm | 4.6 | 67.10 | 53.82 | 35.60 | 154.00 | 11.50 | - | 7 | 8.50 | - |
| 2026-10-13 07:45 pm | 4.6 | 66.92 | 53.73 | 35.60 | 151.00 | 11.30 | - | 7 | 8.50 | - |
| 2026-10-13 07:30 pm | 4.6 | 67.28 | 53.66 | 35.50 | 150.90 | 11.20 | - | 7 | 8.50 | - |
| 2026-10-13 07:15 pm | 4.6 | 67.64 | 53.85 | 35.70 | 150.90 | 11.20 | - | 8 | 8.50 | - |
| 2026-10-13 07:00 pm | 4.6 | 68.00 | 53.84 | 35.60 | 155.20 | 11.40 | - | 7 | 8.50 | - |
| 2026-10-13 06:45 pm | 4.6 | 68.18 | 53.84 | 35.60 | 158.70 | 11.70 | - | 7 | 8.50 | - |
| 2026-10-13 06:30 pm | 4.6 | 68.36 | 53.90 | 35.70 | 161.00 | 11.80 | - | 7 | 8.50 | - |
| 2026-10-13 06:15 pm | 4.6 | 68.54 | 53.93 | 35.70 | 162.60 | 11.90 | - | 8 | 8.50 | - |
| 2026-10-13 06:00 pm | 4.6 | 68.54 | 54.02 | 35.80 | 164.30 | 12.00 | - | 7 | 8.50 | - |
| 2026-10-13 05:45 pm | 4.6 | 68.54 | 53.56 | 35.40 | 162.90 | 12.00 | - | 13 | 8.50 | - |
| 2026-10-13 05:30 pm | 4.6 | 68.54 | 53.44 | 35.40 | 163.80 | 12.00 | - | 11 | 8.50 | - |
| 2026-10-13 05:15 pm | 4.6 | 68.54 | 53.74 | 35.60 | 161.70 | 11.90 | - | 7 | 8.50 | - |
| 2026-10-13 05:00 pm | 4.6 | 68.36 | 54.12 | 35.90 | 156.10 | 11.40 | - | 8 | 8.50 | - |
| 2026-10-13 04:45 pm | 4.6 | 68.54 | 53.42 | 35.30 | 150.20 | 11.00 | - | 8 | 8.50 | - |
| 2026-10-13 04:30 pm | 4.6 | 68.36 | 53.17 | 35.20 | 152.70 | 11.30 | - | 7 | 8.50 | - |
| 2026-10-13 04:15 pm | 4.6 | 67.46 | 52.21 | 34.40 | 133.90 | 10.00 | - | 8 | 8.30 | - |
| 2026-10-13 04:00 pm | 4.6 | 67.28 | 52.11 | 34.40 | 134.50 | 10.10 | - | 9 | 8.30 | - |
| 2026-10-13 03:45 pm | 4.6 | 67.28 | 52.11 | 34.40 | 138.80 | 10.40 | - | 7 | 8.30 | - |
| 2026-10-13 03:30 pm | 4.6 | 67.10 | 52.10 | 34.40 | 136.30 | 10.20 | - | 7 | 8.30 | - |
| 2026-10-13 03:15 pm | 4.6 | 67.10 | 52.06 | 34.30 | 134.70 | 10.10 | - | 8 | 8.30 | - |
| 2026-10-13 03:00 pm | 4.6 | 66.92 | 52.02 | 34.30 | 132.60 | 10.00 | - | 7 | 8.30 | - |
| 2026-10-13 02:45 pm | 4.6 | 66.74 | 52.00 | 34.30 | 130.10 | 9.80 | - | 7 | 8.30 | - |
| 2026-10-13 02:30 pm | 4.6 | 66.56 | 51.98 | 34.30 | 127.80 | 9.60 | - | 7 | 8.30 | - |
| 2026-10-13 02:15 pm | 4.6 | 66.38 | 51.91 | 34.20 | 124.70 | 9.40 | - | 7 | 8.20 | - |
| 2026-10-13 02:00 pm | 4.6 | 66.20 | 51.89 | 34.20 | 122.90 | 9.30 | - | 7 | 8.20 | - |
| 2026-10-13 01:45 pm | 4.6 | 66.02 | 51.85 | 34.20 | 120.60 | 9.20 | - | 7 | 8.20 | - |
| 2026-10-13 01:30 pm | 4.6 | 65.66 | 51.82 | 34.20 | 117.30 | 8.90 | - | 7 | 8.20 | - |
| 2026-10-13 01:15 pm | 4.6 | 65.48 | 51.83 | 34.20 | 116.00 | 8.90 | - | 7 | 8.20 | - |
| 2026-10-13 01:00 pm | 4.6 | 65.12 | 51.87 | 34.20 | 115.60 | 8.90 | - | 7 | 8.20 | - |
| 2026-10-13 12:45 pm | 4.6 | 64.94 | 51.89 | 34.20 | 114.80 | 8.80 | - | 7 | 8.20 | - |
| 2026-10-13 12:30 pm | 4.6 | 64.58 | 51.90 | 34.20 | 113.40 | 8.70 | - | 7 | 8.20 | - |
| 2026-10-13 12:15 pm | 4.6 | 64.22 | 51.95 | 34.20 | 112.40 | 8.70 | - | 7 | 8.20 | - |
| 2026-10-13 12:00 pm | 4.6 | 63.86 | 51.98 | 34.30 | 111.60 | 8.70 | - | 7 | 8.20 | - |
| 2026-10-13 11:45 am | 4.6 | 63.50 | 52.04 | 34.30 | 109.60 | 8.50 | - | 7 | 8.20 | - |
| 2026-10-13 11:30 am | 4.6 | 63.32 | 52.05 | 34.30 | 106.90 | 8.30 | - | 7 | 8.20 | - |
| 2026-10-13 11:15 am | 4.6 | 62.96 | 52.09 | 34.30 | 103.90 | 8.10 | - | 7 | 8.20 | - |
| 2026-10-13 11:00 am | 4.6 | 62.78 | 52.12 | 34.40 | 100.50 | 7.90 | - | 7 | 8.20 | - |
| 2026-10-13 10:45 am | 4.6 | 62.60 | 52.16 | 34.40 | 96.50 | 7.60 | - | 7 | 8.10 | - |
| 2026-10-13 10:30 am | 4.6 | 62.42 | 52.22 | 34.40 | 93.50 | 7.40 | - | 7 | 8.10 | - |
| 2026-10-13 10:15 am | 4.6 | 62.42 | 52.32 | 34.50 | 90.00 | 7.10 | - | 7 | 8.10 | - |
| 2026-10-13 10:00 am | 4.6 | 62.24 | 52.42 | 34.60 | 86.10 | 6.80 | - | 6 | 8.10 | - |
| 2026-10-13 09:45 am | 4.6 | 62.06 | 52.55 | 34.70 | 81.70 | 6.40 | - | 6 | 8.10 | - |
| 2026-10-13 09:30 am | 4.6 | 62.06 | 52.72 | 34.80 | 77.20 | 6.10 | - | 6 | 8.10 | - |
| 2026-10-13 09:15 am | 4.6 | 62.06 | 52.90 | 34.90 | 73.70 | 5.80 | - | 6 | 8.10 | - |
| 2026-10-13 09:00 am | 4.6 | 62.24 | 53.12 | 35.10 | 69.80 | 5.50 | - | 6 | 8.10 | - |
Historical data for station EHSC1 are available at the NERRS website.
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