View the latest observations near East Pacific Hurricane Trudy and East Pacific Tropical Storm Simon.
Station ELQC1 - South Marsh, Elkhorn Slough Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
36.818 N 121.739 W (36°49'5" N 121°44'22" 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): | 63.14 °F |
| Conductivity (COND): | 52.38 mS/cm |
| Salinity (SAL): | 34.60 psu |
| Oxygen Saturation (O2PCT): | 107.7% |
| Oxygen Concentration (O2PPM): | 8.40 ppm |
| Turbidity (TURB): | 3 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-15 05:00 am | 4.6 | 63.32 | 52.37 | 34.50 | 108.20 | 8.40 | - | 2 | 8.20 | - |
| 2026-10-15 04:45 am | 4.6 | 63.32 | 52.38 | 34.60 | 108.60 | 8.50 | - | 2 | 8.20 | - |
| 2026-10-15 04:30 am | 4.6 | 63.50 | 52.36 | 34.50 | 112.20 | 8.70 | - | 3 | 8.20 | - |
| 2026-10-15 04:15 am | 4.6 | 63.50 | 52.36 | 34.50 | 110.20 | 8.60 | - | 3 | 8.20 | - |
| 2026-10-15 04:00 am | 4.6 | 63.50 | 52.36 | 34.50 | 111.90 | 8.70 | - | 3 | 8.20 | - |
| 2026-10-15 03:45 am | 4.6 | 63.68 | 52.39 | 34.60 | 111.60 | 8.70 | - | 3 | 8.20 | - |
| 2026-10-15 03:30 am | 4.6 | 64.22 | 52.27 | 34.50 | 108.00 | 8.30 | - | 3 | 8.20 | - |
| 2026-10-15 03:15 am | 4.6 | 64.94 | 52.23 | 34.50 | 106.60 | 8.20 | - | 3 | 8.20 | - |
| 2026-10-15 03:00 am | 4.6 | 65.12 | 52.23 | 34.50 | 120.00 | 9.20 | - | 4 | 8.20 | - |
| 2026-10-15 02:45 am | 4.6 | 65.12 | 52.24 | 34.50 | 121.50 | 9.30 | - | 3 | 8.20 | - |
| 2026-10-15 02:30 am | 4.6 | 65.30 | 52.24 | 34.50 | 122.40 | 9.30 | - | 4 | 8.20 | - |
| 2026-10-15 02:15 am | 4.6 | 65.48 | 52.25 | 34.50 | 122.80 | 9.40 | - | 4 | 8.30 | - |
| 2026-10-15 02:00 am | 4.6 | 65.48 | 52.28 | 34.50 | 125.60 | 9.60 | - | 4 | 8.30 | - |
| 2026-10-15 01:45 am | 4.3 | 65.30 | 52.27 | 34.50 | 127.20 | 9.70 | - | 4 | 8.30 | - |
| 2026-10-15 01:30 am | 4.3 | 65.48 | 52.33 | 34.50 | 129.20 | 9.80 | - | 4 | 8.30 | - |
| 2026-10-15 01:15 am | 3.9 | 65.66 | 52.34 | 34.50 | 130.90 | 10.00 | - | 4 | 8.30 | - |
| 2026-10-15 01:00 am | 3.9 | 65.48 | 52.36 | 34.50 | 131.40 | 10.00 | - | 4 | 8.30 | - |
| 2026-10-15 12:45 am | 3.6 | 65.48 | 52.36 | 34.60 | 132.10 | 10.10 | - | 4 | 8.30 | - |
| 2026-10-15 12:30 am | 3.6 | 65.48 | 52.37 | 34.60 | 131.80 | 10.00 | - | 4 | 8.30 | - |
| 2026-10-15 12:15 am | 3.6 | 65.30 | 52.39 | 34.60 | 132.20 | 10.10 | - | 4 | 8.30 | - |
| 2026-10-15 12:00 am | 3.3 | 65.12 | 52.40 | 34.60 | 132.00 | 10.10 | - | 4 | 8.30 | - |
| 2026-10-14 11:45 pm | 3.3 | 65.12 | 52.39 | 34.60 | 132.20 | 10.10 | - | 4 | 8.30 | - |
| 2026-10-14 11:30 pm | 3.0 | 64.94 | 52.38 | 34.60 | 132.00 | 10.10 | - | 5 | 8.30 | - |
| 2026-10-14 11:15 pm | 3.0 | 64.94 | 52.39 | 34.60 | 130.90 | 10.00 | - | 4 | 8.30 | - |
| 2026-10-14 11:00 pm | 2.6 | 64.94 | 52.37 | 34.60 | 131.30 | 10.10 | - | 4 | 8.30 | - |
| 2026-10-14 10:45 pm | 2.6 | 64.94 | 52.39 | 34.60 | 132.90 | 10.20 | - | 4 | 8.30 | - |
| 2026-10-14 10:30 pm | 2.3 | 64.94 | 52.38 | 34.60 | 133.50 | 10.20 | - | 4 | 8.30 | - |
| 2026-10-14 10:15 pm | 2.3 | 64.94 | 52.35 | 34.50 | 133.10 | 10.20 | - | 4 | 8.30 | - |
| 2026-10-14 10:00 pm | 2.0 | 64.94 | 52.35 | 34.50 | 132.90 | 10.20 | - | 4 | 8.30 | - |
| 2026-10-14 09:45 pm | 2.0 | 64.94 | 52.36 | 34.50 | 133.10 | 10.20 | - | 4 | 8.30 | - |
| 2026-10-14 09:30 pm | 2.0 | 64.94 | 52.37 | 34.60 | 133.20 | 10.20 | - | 3 | 8.30 | - |
| 2026-10-14 09:15 pm | 1.6 | 64.94 | 52.39 | 34.60 | 133.80 | 10.20 | - | 3 | 8.30 | - |
| 2026-10-14 09:00 pm | 1.6 | 64.94 | 52.39 | 34.60 | 133.00 | 10.20 | - | 4 | 8.30 | - |
| 2026-10-14 08:45 pm | 1.6 | 64.94 | 52.40 | 34.60 | 122.70 | 9.40 | - | 3 | 8.30 | - |
| 2026-10-14 08:30 pm | 1.6 | 64.94 | 52.40 | 34.60 | 130.90 | 10.00 | - | 3 | 8.30 | - |
| 2026-10-14 08:15 pm | 1.3 | 64.94 | 52.41 | 34.60 | 126.30 | 9.70 | - | 3 | 8.30 | - |
| 2026-10-14 08:00 pm | 1.3 | 64.94 | 52.40 | 34.60 | 134.90 | 10.30 | - | 3 | 8.30 | - |
| 2026-10-14 07:45 pm | 1.6 | 64.94 | 52.39 | 34.60 | 138.30 | 10.60 | - | 4 | 8.30 | - |
| 2026-10-14 07:30 pm | 1.6 | 65.12 | 52.40 | 34.60 | 140.20 | 10.70 | - | 4 | 8.30 | - |
| 2026-10-14 07:15 pm | 2.0 | 65.12 | 52.38 | 34.60 | 141.90 | 10.90 | - | 4 | 8.30 | - |
| 2026-10-14 07:00 pm | 2.0 | 65.12 | 52.38 | 34.60 | 143.40 | 11.00 | - | 4 | 8.30 | - |
| 2026-10-14 06:45 pm | 2.3 | 65.30 | 52.37 | 34.60 | 144.90 | 11.10 | - | 4 | 8.30 | - |
| 2026-10-14 06:30 pm | 2.6 | 65.30 | 52.36 | 34.50 | 145.70 | 11.10 | - | 4 | 8.30 | - |
| 2026-10-14 06:15 pm | 3.0 | 65.48 | 52.35 | 34.50 | 145.50 | 11.10 | - | 4 | 8.30 | - |
| 2026-10-14 06:00 pm | 3.3 | 65.48 | 52.33 | 34.50 | 145.50 | 11.10 | - | 4 | 8.30 | - |
| 2026-10-14 05:45 pm | 3.6 | 65.30 | 52.34 | 34.50 | 148.50 | 11.30 | - | 4 | 8.30 | - |
| 2026-10-14 05:30 pm | 3.6 | 65.30 | 52.33 | 34.50 | 147.20 | 11.20 | - | 3 | 8.30 | - |
| 2026-10-14 05:15 pm | 3.9 | 65.12 | 52.36 | 34.60 | 147.40 | 11.30 | - | 4 | 8.30 | - |
| 2026-10-14 05:00 pm | 4.3 | 65.12 | 52.33 | 34.50 | 145.70 | 11.10 | - | 3 | 8.30 | - |
| 2026-10-14 04:45 pm | 4.3 | 64.94 | 52.36 | 34.50 | 144.50 | 11.10 | - | 3 | 8.30 | - |
| 2026-10-14 04:30 pm | 4.6 | 64.94 | 52.35 | 34.50 | 142.40 | 10.90 | - | 3 | 8.30 | - |
| 2026-10-14 04:15 pm | 4.6 | 64.76 | 52.34 | 34.50 | 138.90 | 10.70 | - | 3 | 8.30 | - |
| 2026-10-14 04:00 pm | 4.6 | 64.76 | 52.33 | 34.50 | 135.70 | 10.40 | - | 3 | 8.30 | - |
| 2026-10-14 03:45 pm | 4.6 | 64.58 | 52.34 | 34.50 | 134.60 | 10.30 | - | 3 | 8.30 | - |
| 2026-10-14 03:30 pm | 4.9 | 64.40 | 52.32 | 34.50 | 131.60 | 10.10 | - | 3 | 8.30 | - |
| 2026-10-14 03:15 pm | 4.9 | 64.22 | 52.20 | 34.40 | 127.70 | 9.90 | - | 3 | 8.30 | - |
| 2026-10-14 03:00 pm | 4.9 | 63.68 | 52.31 | 34.50 | 124.90 | 9.70 | - | 3 | 8.20 | - |
| 2026-10-14 02:45 pm | 4.9 | 63.86 | 52.31 | 34.50 | 122.60 | 9.50 | - | 4 | 8.20 | - |
| 2026-10-14 02:30 pm | 4.9 | 63.86 | 52.33 | 34.50 | 121.60 | 9.40 | - | 3 | 8.20 | - |
| 2026-10-14 02:15 pm | 5.2 | 63.68 | 52.34 | 34.50 | 122.20 | 9.50 | - | 3 | 8.20 | - |
| 2026-10-14 02:00 pm | 5.2 | 63.50 | 52.27 | 34.50 | 118.70 | 9.20 | - | 3 | 8.20 | - |
| 2026-10-14 01:45 pm | 5.2 | 63.14 | 52.32 | 34.50 | 112.50 | 8.80 | - | 2 | 8.20 | - |
| 2026-10-14 01:30 pm | 5.2 | 62.96 | 52.35 | 34.50 | 112.20 | 8.80 | - | 3 | 8.20 | - |
| 2026-10-14 01:15 pm | 5.2 | 62.78 | 52.34 | 34.50 | 111.80 | 8.80 | - | 3 | 8.20 | - |
| 2026-10-14 01:00 pm | 5.2 | 62.78 | 52.37 | 34.50 | 112.20 | 8.80 | - | 3 | 8.20 | - |
| 2026-10-14 12:45 pm | 5.2 | 62.96 | 52.28 | 34.50 | 110.90 | 8.70 | - | 3 | 8.20 | - |
| 2026-10-14 12:30 pm | 5.2 | 63.68 | 52.16 | 34.40 | 107.90 | 8.40 | - | 3 | 8.20 | - |
| 2026-10-14 12:15 pm | 5.2 | 63.68 | 52.11 | 34.40 | 98.40 | 7.60 | - | 2 | 8.10 | - |
| 2026-10-14 12:00 pm | 5.2 | 63.68 | 52.12 | 34.40 | 106.40 | 8.30 | - | 3 | 8.20 | - |
| 2026-10-14 11:45 am | 5.2 | 63.68 | 52.12 | 34.40 | 109.20 | 8.50 | - | 3 | 8.20 | - |
| 2026-10-14 11:30 am | 5.2 | 63.50 | 52.11 | 34.40 | 107.70 | 8.40 | - | 3 | 8.20 | - |
| 2026-10-14 11:15 am | 4.9 | 63.50 | 52.09 | 34.30 | 107.20 | 8.30 | - | 3 | 8.20 | - |
| 2026-10-14 11:00 am | 4.9 | 63.50 | 52.08 | 34.30 | 106.60 | 8.30 | - | 3 | 8.20 | - |
| 2026-10-14 10:45 am | 4.9 | 63.50 | 52.09 | 34.30 | 105.70 | 8.20 | - | 3 | 8.20 | - |
| 2026-10-14 10:30 am | 4.9 | 63.50 | 52.10 | 34.40 | 104.80 | 8.20 | - | 3 | 8.20 | - |
| 2026-10-14 10:15 am | 4.9 | 63.32 | 52.15 | 34.40 | 104.60 | 8.20 | - | 3 | 8.20 | - |
| 2026-10-14 10:00 am | 4.9 | 63.14 | 52.17 | 34.40 | 103.90 | 8.10 | - | 4 | 8.20 | - |
| 2026-10-14 09:45 am | 4.9 | 62.96 | 52.21 | 34.40 | 102.90 | 8.10 | - | 3 | 8.20 | - |
| 2026-10-14 09:30 am | 4.6 | 62.60 | 52.25 | 34.50 | 102.10 | 8.00 | - | 3 | 8.20 | - |
| 2026-10-14 09:15 am | 4.6 | 62.60 | 52.28 | 34.50 | 102.00 | 8.00 | - | 4 | 8.20 | - |
| 2026-10-14 09:00 am | 4.6 | 62.60 | 52.27 | 34.50 | 102.30 | 8.00 | - | 3 | 8.20 | - |
| 2026-10-14 08:45 am | 4.6 | 62.60 | 52.29 | 34.50 | 102.70 | 8.10 | - | 4 | 8.20 | - |
| 2026-10-14 08:30 am | 4.6 | 62.60 | 52.31 | 34.50 | 102.70 | 8.10 | - | 3 | 8.20 | - |
| 2026-10-14 08:15 am | 4.6 | 62.60 | 52.32 | 34.50 | 103.40 | 8.10 | - | 4 | 8.20 | - |
| 2026-10-14 08:00 am | 4.6 | 62.60 | 52.33 | 34.50 | 103.60 | 8.10 | - | 3 | 8.20 | - |
| 2026-10-14 07:45 am | 4.3 | 62.60 | 52.35 | 34.50 | 103.30 | 8.10 | - | 3 | 8.20 | - |
| 2026-10-14 07:30 am | 4.3 | 62.60 | 52.34 | 34.50 | 103.10 | 8.10 | - | 3 | 8.20 | - |
| 2026-10-14 07:15 am | 4.3 | 62.78 | 52.38 | 34.60 | 104.40 | 8.20 | - | 3 | 8.20 | - |
| 2026-10-14 07:00 am | 4.3 | 62.60 | 52.39 | 34.60 | 88.90 | 7.00 | - | 2 | 8.10 | - |
| 2026-10-14 06:45 am | 4.3 | 62.60 | 52.39 | 34.60 | 93.10 | 7.30 | - | 3 | 8.20 | - |
| 2026-10-14 06:30 am | 4.3 | 62.78 | 52.39 | 34.60 | 97.10 | 7.60 | - | 2 | 8.20 | - |
| 2026-10-14 06:15 am | 4.3 | 62.78 | 52.40 | 34.60 | 103.90 | 8.10 | - | 3 | 8.20 | - |
| 2026-10-14 06:00 am | 4.3 | 62.96 | 52.38 | 34.60 | 102.70 | 8.00 | - | 3 | 8.20 | - |
Historical data for station ELQC1 are available at the NERRS website.
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