View the latest observations near Atlantic Tropical Storm Edouard, Central Pacific Hurricane Lowell, East Pacific Hurricane Karina and East Pacific Tropical Storm Marie.
Station EVMC1 - Vierra Mouth, Elkhorn Slough Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
36.811 N 121.779 W (36°48'40" N 121°46'45" 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): | 3.6 ft |
 Ocean Temperature (OTMP): | 59.72 °F |
| Conductivity (COND): | 51.37 mS/cm |
| Salinity (SAL): | 33.80 psu |
| Oxygen Saturation (O2PCT): | 104.7% |
| Oxygen Concentration (O2PPM): | 8.50 ppm |
| Turbidity (TURB): | 2 FTU |
| pH (PH): | 8.10 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-01 09:45 am | 3.6 | 60.26 | 51.37 | 33.80 | 97.90 | 7.90 | - | 2 | 8.00 | - |
| 2026-09-01 09:30 am | 3.3 | 60.44 | 51.27 | 33.70 | 91.50 | 7.40 | - | 3 | 8.00 | - |
| 2026-09-01 09:15 am | 3.0 | 60.80 | 51.22 | 33.70 | 88.60 | 7.10 | - | 2 | 8.00 | - |
| 2026-09-01 09:00 am | 3.0 | 61.88 | 51.25 | 33.70 | 89.80 | 7.10 | - | 3 | 8.00 | - |
| 2026-09-01 08:45 am | 3.0 | 62.60 | 51.33 | 33.80 | 89.70 | 7.10 | - | 3 | 8.00 | - |
| 2026-09-01 08:30 am | 2.6 | 62.60 | 51.34 | 33.80 | 86.80 | 6.80 | - | 4 | 8.00 | - |
| 2026-09-01 08:15 am | 2.6 | 62.60 | 51.35 | 33.80 | 88.70 | 7.00 | - | 3 | 8.00 | - |
| 2026-09-01 08:00 am | 2.6 | 62.96 | 51.33 | 33.80 | 91.70 | 7.20 | - | 4 | 8.00 | - |
| 2026-09-01 07:45 am | 2.6 | 63.14 | 51.45 | 33.90 | 89.80 | 7.00 | - | 4 | 8.00 | - |
| 2026-09-01 07:30 am | 2.3 | 63.14 | 51.38 | 33.80 | 89.60 | 7.00 | - | 5 | 8.00 | - |
| 2026-09-01 07:15 am | 2.3 | 63.32 | 51.43 | 33.90 | 88.30 | 6.90 | - | 3 | 8.00 | - |
| 2026-09-01 07:00 am | 2.3 | 63.50 | 51.43 | 33.90 | 95.70 | 7.50 | - | 4 | 8.10 | - |
| 2026-09-01 06:45 am | 2.3 | 63.14 | 51.38 | 33.80 | 95.10 | 7.50 | - | 4 | 8.10 | - |
| 2026-09-01 06:30 am | 2.6 | 62.96 | 51.39 | 33.80 | 95.70 | 7.50 | - | 3 | 8.00 | - |
| 2026-09-01 06:15 am | 2.6 | 62.60 | 51.38 | 33.80 | 96.70 | 7.60 | - | 3 | 8.10 | - |
| 2026-09-01 06:00 am | 2.6 | 62.24 | 51.35 | 33.80 | 96.40 | 7.60 | - | 3 | 8.10 | - |
| 2026-09-01 05:45 am | 2.6 | 62.06 | 51.33 | 33.80 | 97.70 | 7.80 | - | 4 | 8.10 | - |
| 2026-09-01 05:30 am | 3.0 | 61.70 | 51.33 | 33.80 | 98.00 | 7.80 | - | 4 | 8.10 | - |
| 2026-09-01 05:15 am | 3.0 | 61.16 | 51.34 | 33.80 | 98.00 | 7.80 | - | 3 | 8.00 | - |
| 2026-09-01 05:00 am | 3.0 | 60.62 | 51.33 | 33.80 | 97.30 | 7.80 | - | 3 | 8.00 | - |
| 2026-09-01 04:45 am | 3.3 | 60.08 | 51.32 | 33.70 | 95.20 | 7.70 | - | 3 | 8.00 | - |
| 2026-09-01 04:30 am | 3.3 | 59.72 | 51.35 | 33.80 | 93.00 | 7.60 | - | 3 | 8.00 | - |
| 2026-09-01 04:15 am | 3.6 | 59.36 | 51.37 | 33.80 | 89.90 | 7.30 | - | 4 | 8.00 | - |
| 2026-09-01 04:00 am | 3.6 | 58.82 | 51.37 | 33.80 | 87.70 | 7.20 | - | 3 | 8.00 | - |
| 2026-09-01 03:45 am | 3.9 | 58.46 | 51.41 | 33.80 | 85.20 | 7.00 | - | 3 | 8.00 | - |
| 2026-09-01 03:30 am | 3.9 | 58.28 | 51.43 | 33.80 | 85.00 | 7.00 | - | 3 | 8.00 | - |
| 2026-09-01 03:15 am | 3.9 | 58.82 | 51.42 | 33.80 | 84.90 | 7.00 | - | 3 | 8.00 | - |
| 2026-09-01 03:00 am | 4.3 | 58.46 | 51.44 | 33.80 | 85.60 | 7.10 | - | 3 | 8.00 | - |
| 2026-09-01 02:45 am | 4.3 | 58.28 | 51.34 | 33.70 | 86.40 | 7.10 | - | 2 | 8.00 | - |
| 2026-09-01 02:30 am | 4.3 | 58.46 | 51.38 | 33.80 | 85.50 | 7.10 | - | 3 | 8.00 | - |
| 2026-09-01 02:15 am | 4.3 | 57.20 | 51.50 | 33.80 | 73.80 | 6.20 | - | 1 | 7.90 | - |
| 2026-09-01 02:00 am | 4.3 | 56.84 | 51.54 | 33.90 | 78.00 | 6.60 | - | 1 | 7.90 | - |
| 2026-09-01 01:45 am | 4.3 | 57.02 | 51.50 | 33.80 | 78.20 | 6.60 | - | 1 | 7.90 | - |
| 2026-09-01 01:30 am | 4.3 | 57.38 | 51.46 | 33.80 | 84.20 | 7.00 | - | 1 | 8.00 | - |
| 2026-09-01 01:15 am | 4.3 | 57.20 | 51.50 | 33.80 | 84.80 | 7.10 | - | 1 | 8.00 | - |
| 2026-09-01 01:00 am | 4.3 | 58.10 | 51.32 | 33.70 | 87.00 | 7.20 | - | 1 | 8.00 | - |
| 2026-09-01 12:45 am | 4.3 | 58.28 | 51.30 | 33.70 | 87.00 | 7.20 | - | 2 | 8.00 | - |
| 2026-09-01 12:30 am | 4.3 | 57.92 | 51.39 | 33.80 | 90.30 | 7.50 | - | 1 | 8.00 | - |
| 2026-09-01 12:15 am | 3.9 | 58.46 | 51.42 | 33.80 | 91.10 | 7.50 | - | 2 | 8.00 | - |
| 2026-09-01 12:00 am | 3.9 | 58.64 | 51.40 | 33.80 | 98.60 | 8.10 | - | 2 | 8.00 | - |
| 2026-08-31 11:45 pm | 3.6 | 59.54 | 51.40 | 33.80 | 106.10 | 8.70 | - | 2 | 8.10 | - |
| 2026-08-31 11:30 pm | 3.6 | 60.26 | 51.30 | 33.70 | 110.10 | 8.90 | - | 2 | 8.10 | - |
| 2026-08-31 11:15 pm | 3.3 | 60.80 | 51.33 | 33.80 | 107.90 | 8.70 | - | 2 | 8.10 | - |
| 2026-08-31 11:00 pm | 3.3 | 61.16 | 51.38 | 33.80 | 108.20 | 8.70 | - | 2 | 8.10 | - |
| 2026-08-31 10:45 pm | 3.0 | 61.16 | 51.44 | 33.80 | 109.00 | 8.70 | - | 2 | 8.10 | - |
| 2026-08-31 10:30 pm | 3.0 | 61.34 | 51.45 | 33.90 | 108.10 | 8.60 | - | 3 | 8.10 | - |
| 2026-08-31 10:15 pm | 2.6 | 62.78 | 51.47 | 33.90 | 100.00 | 7.90 | - | 4 | 8.10 | - |
| 2026-08-31 10:00 pm | 2.6 | 64.22 | 51.58 | 34.00 | 98.70 | 7.60 | - | 4 | 8.10 | - |
| 2026-08-31 09:45 pm | 2.3 | 65.12 | 51.63 | 34.00 | 92.70 | 7.10 | - | 4 | 8.10 | - |
| 2026-08-31 09:30 pm | 2.3 | 65.30 | 51.70 | 34.10 | 92.00 | 7.00 | - | 4 | 8.10 | - |
| 2026-08-31 09:15 pm | 2.0 | 65.66 | 51.71 | 34.10 | 95.60 | 7.30 | - | 5 | 8.10 | - |
| 2026-08-31 09:00 pm | 2.0 | 65.84 | 51.74 | 34.10 | 93.00 | 7.10 | - | 4 | 8.10 | - |
| 2026-08-31 08:45 pm | 2.0 | 66.02 | 51.77 | 34.10 | 98.40 | 7.50 | - | 5 | 8.10 | - |
| 2026-08-31 08:30 pm | 1.6 | 66.38 | 51.85 | 34.20 | 102.90 | 7.80 | - | 5 | 8.10 | - |
| 2026-08-31 08:15 pm | 1.6 | 66.56 | 51.85 | 34.20 | 98.10 | 7.40 | - | 5 | 8.10 | - |
| 2026-08-31 08:00 pm | 1.6 | 66.38 | 51.85 | 34.20 | 105.60 | 8.00 | - | 4 | 8.10 | - |
| 2026-08-31 07:45 pm | 1.6 | 66.56 | 51.84 | 34.20 | 100.30 | 7.60 | - | 8 | 8.10 | - |
| 2026-08-31 07:30 pm | 1.6 | 66.38 | 51.82 | 34.20 | 103.40 | 7.80 | - | 5 | 8.10 | - |
| 2026-08-31 07:15 pm | 1.6 | 66.20 | 51.79 | 34.10 | 107.30 | 8.10 | - | 5 | 8.10 | - |
| 2026-08-31 07:00 pm | 1.6 | 65.84 | 51.77 | 34.10 | 107.80 | 8.20 | - | 5 | 8.10 | - |
| 2026-08-31 06:45 pm | 2.0 | 65.48 | 51.74 | 34.10 | 107.90 | 8.20 | - | 8 | 8.10 | - |
| 2026-08-31 06:30 pm | 2.0 | 64.94 | 51.66 | 34.00 | 110.00 | 8.40 | - | 6 | 8.10 | - |
| 2026-08-31 06:15 pm | 2.0 | 64.58 | 51.62 | 34.00 | 110.30 | 8.50 | - | 6 | 8.10 | - |
| 2026-08-31 06:00 pm | 2.3 | 63.86 | 51.58 | 34.00 | 111.00 | 8.60 | - | 6 | 8.10 | - |
| 2026-08-31 05:45 pm | 2.3 | 63.32 | 51.52 | 33.90 | 111.40 | 8.70 | - | 5 | 8.10 | - |
| 2026-08-31 05:30 pm | 2.6 | 62.42 | 51.52 | 33.90 | 112.80 | 8.90 | - | 6 | 8.10 | - |
| 2026-08-31 05:15 pm | 3.0 | 61.52 | 51.50 | 33.90 | 112.80 | 9.00 | - | 5 | 8.10 | - |
| 2026-08-31 05:00 pm | 3.0 | 60.98 | 51.50 | 33.90 | 112.90 | 9.00 | - | 5 | 8.10 | - |
| 2026-08-31 04:45 pm | 3.3 | 60.44 | 51.49 | 33.90 | 112.00 | 9.00 | - | 5 | 8.10 | - |
| 2026-08-31 04:30 pm | 3.6 | 59.72 | 51.52 | 33.90 | 111.90 | 9.10 | - | 4 | 8.10 | - |
| 2026-08-31 04:15 pm | 3.9 | 59.18 | 51.52 | 33.90 | 110.30 | 9.00 | - | 3 | 8.10 | - |
| 2026-08-31 04:00 pm | 3.9 | 59.18 | 51.52 | 33.90 | 108.20 | 8.90 | - | 4 | 8.10 | - |
| 2026-08-31 03:45 pm | 4.3 | 58.64 | 51.55 | 33.90 | 105.90 | 8.70 | - | 3 | 8.10 | - |
| 2026-08-31 03:30 pm | 4.6 | 58.28 | 51.55 | 33.90 | 103.90 | 8.60 | - | 3 | 8.10 | - |
| 2026-08-31 03:15 pm | 4.9 | 58.10 | 51.55 | 33.90 | 103.40 | 8.60 | - | 2 | 8.10 | - |
| 2026-08-31 03:00 pm | 4.9 | 57.92 | 51.56 | 33.90 | 105.10 | 8.70 | - | 3 | 8.10 | - |
| 2026-08-31 02:45 pm | 5.2 | 57.56 | 51.52 | 33.90 | 105.70 | 8.80 | - | 3 | 8.10 | - |
| 2026-08-31 02:30 pm | 5.2 | 57.02 | 51.56 | 33.90 | 98.30 | 8.20 | - | 2 | 8.00 | - |
| 2026-08-31 02:15 pm | 5.6 | 56.84 | 51.59 | 33.90 | 97.10 | 8.10 | - | 2 | 8.00 | - |
| 2026-08-31 02:00 pm | 5.6 | 56.84 | 51.58 | 33.90 | 96.10 | 8.10 | - | 2 | 8.00 | - |
| 2026-08-31 01:45 pm | 5.6 | 56.48 | 51.66 | 33.90 | 86.20 | 7.30 | - | 2 | 8.00 | - |
| 2026-08-31 01:30 pm | 5.9 | 55.40 | 51.67 | 33.90 | 74.80 | 6.40 | - | 2 | 7.90 | - |
| 2026-08-31 01:15 pm | 5.9 | 55.40 | 51.64 | 33.90 | 73.60 | 6.30 | - | 1 | 7.90 | - |
| 2026-08-31 01:00 pm | 5.9 | 55.58 | 51.56 | 33.80 | 77.60 | 6.60 | - | 1 | 7.90 | - |
| 2026-08-31 12:45 pm | 5.6 | 55.94 | 51.58 | 33.90 | 83.30 | 7.10 | - | 1 | 7.90 | - |
| 2026-08-31 12:30 pm | 5.6 | 56.12 | 51.60 | 33.90 | 86.90 | 7.40 | - | 2 | 8.00 | - |
| 2026-08-31 12:15 pm | 5.6 | 56.48 | 51.59 | 33.90 | 92.60 | 7.80 | - | 2 | 8.00 | - |
| 2026-08-31 12:00 pm | 5.2 | 56.84 | 51.58 | 33.90 | 96.50 | 8.10 | - | 2 | 8.00 | - |
| 2026-08-31 11:45 am | 5.2 | 57.02 | 51.54 | 33.90 | 99.30 | 8.30 | - | 2 | 8.00 | - |
| 2026-08-31 11:30 am | 5.2 | 57.38 | 51.56 | 33.90 | 103.10 | 8.60 | - | 2 | 8.10 | - |
| 2026-08-31 11:15 am | 4.9 | 57.56 | 51.51 | 33.80 | 105.10 | 8.80 | - | 2 | 8.10 | - |
| 2026-08-31 11:00 am | 4.6 | 57.92 | 51.49 | 33.80 | 106.50 | 8.80 | - | 2 | 8.10 | - |
| 2026-08-31 10:45 am | 4.6 | 58.28 | 51.48 | 33.80 | 106.60 | 8.80 | - | 2 | 8.10 | - |
| 2026-08-31 10:30 am | 4.3 | 58.46 | 51.47 | 33.80 | 108.40 | 8.90 | - | 2 | 8.10 | - |
| 2026-08-31 10:15 am | 3.9 | 58.64 | 51.45 | 33.80 | 107.40 | 8.90 | - | 2 | 8.10 | - |
| 2026-08-31 10:00 am | 3.6 | 58.64 | 51.46 | 33.80 | 107.40 | 8.80 | - | 2 | 8.10 | - |
Historical data for station EVMC1 are available at the NERRS website.
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