Station EVMC1 - Vierra Mouth, Elkhorn Slough Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
Water Quality Station
36.811 N 121.779 W (36°48'40" N 121°46'45" W)
Large icon indicates selected station.
Stations with recent data
Stations with no data in last 8 hours
(24 hours for tsunami stations)
Stations with recent data Stations with no data in last 8 hours(24 hours for tsunami stations)
|
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): | 54.32 °F |
| Conductivity (COND): | 42.44 mS/cm |
| Salinity (SAL): | 27.20 psu |
| Oxygen Saturation (O2PCT): | 96.6% |
| Oxygen Concentration (O2PPM): | 8.70 ppm |
| Turbidity (TURB): | 8 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-21 04:45 am | 2.6 | 54.32 | 42.92 | 27.60 | 96.70 | 8.70 | - | 9 | 8.00 | - |
| 2026-02-21 04:30 am | 3.0 | 54.50 | 43.51 | 28.00 | 97.50 | 8.70 | - | 9 | 8.00 | - |
| 2026-02-21 04:15 am | 3.3 | 54.68 | 44.27 | 28.60 | 97.40 | 8.70 | - | 9 | 8.00 | - |
| 2026-02-21 04:00 am | 3.3 | 55.04 | 45.89 | 29.70 | 96.40 | 8.50 | - | 8 | 8.00 | - |
| 2026-02-21 03:45 am | 3.6 | 55.04 | 46.39 | 30.10 | 95.80 | 8.40 | - | 10 | 8.00 | - |
| 2026-02-21 03:30 am | 3.9 | 56.12 | 47.53 | 30.90 | 99.70 | 8.60 | - | 13 | 8.10 | - |
| 2026-02-21 03:15 am | 4.3 | 55.58 | 47.17 | 30.70 | 97.80 | 8.50 | - | 9 | 8.00 | - |
| 2026-02-21 03:00 am | 4.3 | 55.94 | 47.73 | 31.10 | 98.70 | 8.50 | - | 9 | 8.10 | - |
| 2026-02-21 02:45 am | 4.6 | 56.12 | 48.21 | 31.40 | 99.20 | 8.50 | - | 14 | 8.10 | - |
| 2026-02-21 02:30 am | 4.6 | 56.30 | 48.40 | 31.60 | 100.30 | 8.60 | - | 12 | 8.10 | - |
| 2026-02-21 02:15 am | 4.9 | 56.66 | 49.21 | 32.20 | 101.70 | 8.70 | - | 12 | 8.10 | - |
| 2026-02-21 02:00 am | 5.2 | 56.48 | 48.54 | 31.70 | 101.40 | 8.70 | - | 11 | 8.10 | - |
| 2026-02-21 01:45 am | 5.2 | 56.48 | 48.45 | 31.60 | 102.60 | 8.80 | - | 15 | 8.10 | - |
| 2026-02-21 01:30 am | 5.2 | 56.48 | 48.85 | 31.90 | 101.50 | 8.70 | - | 12 | 8.10 | - |
| 2026-02-21 01:15 am | 5.6 | 56.66 | 49.58 | 32.40 | 101.50 | 8.60 | - | 9 | 8.10 | - |
| 2026-02-21 01:00 am | 5.6 | 56.84 | 50.20 | 32.90 | 99.30 | 8.40 | - | 7 | 8.10 | - |
| 2026-02-21 12:45 am | 5.6 | 56.84 | 50.10 | 32.80 | 99.80 | 8.40 | - | 7 | 8.10 | - |
| 2026-02-21 12:30 am | 5.6 | 56.84 | 49.91 | 32.70 | 101.20 | 8.60 | - | 8 | 8.10 | - |
| 2026-02-21 12:15 am | 5.6 | 56.84 | 49.78 | 32.60 | 101.10 | 8.60 | - | 10 | 8.10 | - |
| 2026-02-21 12:00 am | 5.2 | 56.66 | 49.56 | 32.40 | 102.30 | 8.70 | - | 8 | 8.10 | - |
| 2026-02-20 11:45 pm | 5.2 | 56.66 | 49.45 | 32.30 | 103.00 | 8.70 | - | 10 | 8.10 | - |
| 2026-02-20 11:30 pm | 5.2 | 56.66 | 49.38 | 32.30 | 103.00 | 8.80 | - | 9 | 8.10 | - |
| 2026-02-20 11:15 pm | 4.9 | 56.66 | 49.38 | 32.30 | 103.50 | 8.80 | - | 12 | 8.10 | - |
| 2026-02-20 11:00 pm | 4.9 | 56.48 | 49.29 | 32.20 | 103.70 | 8.80 | - | 13 | 8.10 | - |
| 2026-02-20 10:45 pm | 4.6 | 56.48 | 49.03 | 32.00 | 103.80 | 8.90 | - | 13 | 8.10 | - |
| 2026-02-20 10:30 pm | 4.6 | 56.48 | 48.77 | 31.80 | 103.80 | 8.90 | - | 13 | 8.10 | - |
| 2026-02-20 10:15 pm | 4.3 | 56.66 | 48.67 | 31.80 | 103.80 | 8.80 | - | 17 | 8.10 | - |
| 2026-02-20 10:00 pm | 3.9 | 56.84 | 48.73 | 31.80 | 104.40 | 8.90 | - | 15 | 8.10 | - |
| 2026-02-20 09:45 pm | 3.6 | 56.84 | 48.62 | 31.70 | 104.80 | 8.90 | - | 17 | 8.10 | - |
| 2026-02-20 09:30 pm | 3.6 | 56.84 | 48.88 | 31.90 | 104.60 | 8.90 | - | 14 | 8.10 | - |
| 2026-02-20 09:15 pm | 3.3 | 56.66 | 49.02 | 32.00 | 102.50 | 8.70 | - | 13 | 8.10 | - |
| 2026-02-20 09:00 pm | 3.0 | 56.66 | 49.06 | 32.00 | 101.80 | 8.70 | - | 10 | 8.10 | - |
| 2026-02-20 08:45 pm | 2.6 | 56.66 | 48.82 | 31.90 | 101.60 | 8.60 | - | 13 | 8.10 | - |
| 2026-02-20 08:30 pm | 2.6 | 56.48 | 48.46 | 31.60 | 101.30 | 8.70 | - | 16 | 8.10 | - |
| 2026-02-20 08:15 pm | 2.3 | 55.94 | 45.52 | 29.50 | 100.10 | 8.70 | - | 14 | 8.10 | - |
| 2026-02-20 08:00 pm | 2.0 | 55.76 | 45.03 | 29.10 | 98.00 | 8.60 | - | 11 | 8.00 | - |
| 2026-02-20 07:45 pm | 2.0 | 55.22 | 42.51 | 27.30 | 98.10 | 8.70 | - | 10 | 8.00 | - |
| 2026-02-20 07:30 pm | 1.6 | 55.04 | 39.73 | 25.30 | 102.80 | 9.30 | - | 8 | 8.10 | - |
| 2026-02-20 07:15 pm | 1.6 | 55.04 | 40.45 | 25.90 | 102.40 | 9.20 | - | 13 | 8.10 | - |
| 2026-02-20 07:00 pm | 1.6 | 55.04 | 40.09 | 25.60 | 100.40 | 9.10 | - | 11 | 8.00 | - |
| 2026-02-20 06:45 pm | 1.3 | 54.86 | 40.00 | 25.50 | 101.20 | 9.10 | - | 4 | 8.00 | - |
| 2026-02-20 06:30 pm | 1.3 | 55.04 | 40.33 | 25.80 | 102.20 | 9.20 | - | 4 | 8.10 | - |
| 2026-02-20 06:15 pm | 1.3 | 55.22 | 41.82 | 26.80 | 101.40 | 9.10 | - | 4 | 8.00 | - |
| 2026-02-20 06:00 pm | 1.3 | 55.22 | 42.11 | 27.00 | 99.90 | 8.90 | - | 6 | 8.00 | - |
| 2026-02-20 05:45 pm | 1.3 | 55.22 | 41.22 | 26.40 | 100.90 | 9.10 | - | 7 | 8.00 | - |
| 2026-02-20 05:30 pm | 1.3 | 55.04 | 40.73 | 26.00 | 103.20 | 9.30 | - | 5 | 8.10 | - |
| 2026-02-20 05:15 pm | 1.6 | 54.86 | 40.06 | 25.60 | 104.10 | 9.40 | - | 7 | 8.10 | - |
| 2026-02-20 05:00 pm | 1.6 | 55.04 | 40.33 | 25.80 | 104.10 | 9.40 | - | 7 | 8.10 | - |
| 2026-02-20 04:45 pm | 1.6 | 55.04 | 40.65 | 26.00 | 103.90 | 9.40 | - | 8 | 8.10 | - |
| 2026-02-20 04:30 pm | 2.0 | 55.04 | 40.85 | 26.10 | 104.40 | 9.40 | - | 8 | 8.10 | - |
| 2026-02-20 04:15 pm | 2.0 | 55.22 | 41.34 | 26.50 | 103.50 | 9.30 | - | 7 | 8.10 | - |
| 2026-02-20 04:00 pm | 2.3 | 55.22 | 41.62 | 26.70 | 103.60 | 9.30 | - | 8 | 8.10 | - |
| 2026-02-20 03:45 pm | 2.6 | 55.94 | 44.49 | 28.70 | 102.70 | 9.00 | - | 10 | 8.10 | - |
| 2026-02-20 03:30 pm | 2.6 | 56.30 | 45.63 | 29.60 | 104.10 | 9.00 | - | 9 | 8.10 | - |
| 2026-02-20 03:15 pm | 3.0 | 56.30 | 46.58 | 30.20 | 103.80 | 9.00 | - | 9 | 8.10 | - |
| 2026-02-20 03:00 pm | 3.3 | 56.66 | 48.64 | 31.70 | 102.00 | 8.70 | - | 10 | 8.10 | - |
| 2026-02-20 02:45 pm | 3.3 | 56.66 | 49.10 | 32.10 | 102.00 | 8.70 | - | 12 | 8.10 | - |
| 2026-02-20 02:30 pm | 3.6 | 56.66 | 48.71 | 31.80 | 103.10 | 8.80 | - | 11 | 8.10 | - |
| 2026-02-20 02:15 pm | 3.9 | 56.66 | 49.52 | 32.40 | 101.90 | 8.60 | - | 11 | 8.10 | - |
| 2026-02-20 02:00 pm | 3.9 | 56.66 | 49.45 | 32.30 | 101.80 | 8.60 | - | 10 | 8.10 | - |
| 2026-02-20 01:45 pm | 4.3 | 56.66 | 49.08 | 32.10 | 102.20 | 8.70 | - | 12 | 8.10 | - |
| 2026-02-20 01:30 pm | 4.3 | 56.66 | 49.39 | 32.30 | 101.50 | 8.60 | - | 12 | 8.10 | - |
| 2026-02-20 01:15 pm | 4.6 | 56.66 | 49.04 | 32.00 | 101.40 | 8.60 | - | 13 | 8.10 | - |
| 2026-02-20 01:00 pm | 4.6 | 56.84 | 50.03 | 32.80 | 100.80 | 8.50 | - | 11 | 8.10 | - |
| 2026-02-20 12:45 pm | 4.6 | 56.84 | 50.16 | 32.80 | 100.50 | 8.50 | - | 7 | 8.10 | - |
| 2026-02-20 12:30 pm | 4.6 | 56.84 | 50.39 | 33.00 | 99.50 | 8.40 | - | 9 | 8.10 | - |
| 2026-02-20 12:15 pm | 4.9 | 56.84 | 50.39 | 33.00 | 100.40 | 8.50 | - | 9 | 8.10 | - |
| 2026-02-20 12:00 pm | 4.9 | 56.84 | 50.34 | 33.00 | 101.50 | 8.60 | - | 10 | 8.10 | - |
| 2026-02-20 11:45 am | 4.6 | 56.84 | 50.26 | 32.90 | 101.60 | 8.60 | - | 8 | 8.10 | - |
| 2026-02-20 11:30 am | 4.6 | 56.84 | 50.25 | 32.90 | 102.60 | 8.70 | - | 10 | 8.10 | - |
| 2026-02-20 11:15 am | 4.6 | 56.84 | 50.26 | 32.90 | 102.60 | 8.70 | - | 9 | 8.10 | - |
| 2026-02-20 11:00 am | 4.6 | 56.84 | 50.20 | 32.90 | 102.60 | 8.70 | - | 10 | 8.10 | - |
| 2026-02-20 10:45 am | 4.3 | 56.84 | 50.16 | 32.90 | 103.00 | 8.70 | - | 12 | 8.10 | - |
| 2026-02-20 10:30 am | 4.3 | 56.84 | 50.12 | 32.80 | 103.10 | 8.70 | - | 14 | 8.10 | - |
| 2026-02-20 10:15 am | 4.3 | 56.66 | 50.03 | 32.70 | 103.60 | 8.80 | - | 15 | 8.10 | - |
| 2026-02-20 10:00 am | 3.9 | 56.66 | 49.91 | 32.70 | 103.40 | 8.80 | - | 20 | 8.10 | - |
| 2026-02-20 09:45 am | 3.9 | 56.66 | 49.99 | 32.70 | 102.80 | 8.70 | - | 27 | 8.10 | - |
| 2026-02-20 09:30 am | 3.6 | 56.48 | 49.90 | 32.70 | 103.70 | 8.80 | - | 18 | 8.10 | - |
| 2026-02-20 09:15 am | 3.3 | 56.30 | 49.65 | 32.50 | 103.80 | 8.80 | - | 19 | 8.10 | - |
| 2026-02-20 09:00 am | 3.3 | 56.12 | 49.39 | 32.30 | 104.10 | 8.90 | - | 20 | 8.10 | - |
| 2026-02-20 08:45 am | 3.0 | 56.12 | 49.17 | 32.10 | 103.40 | 8.90 | - | 21 | 8.10 | - |
| 2026-02-20 08:30 am | 2.6 | 55.40 | 47.50 | 30.90 | 101.00 | 8.80 | - | 15 | 8.10 | - |
| 2026-02-20 08:15 am | 2.6 | 54.86 | 45.37 | 29.30 | 98.00 | 8.70 | - | 14 | 8.00 | - |
| 2026-02-20 08:00 am | 2.3 | 54.14 | 43.53 | 28.00 | 96.70 | 8.70 | - | 15 | 8.00 | - |
| 2026-02-20 07:45 am | 2.3 | 53.78 | 41.06 | 26.30 | 95.20 | 8.70 | - | 12 | 8.00 | - |
| 2026-02-20 07:30 am | 2.3 | 53.60 | 41.14 | 26.30 | 95.90 | 8.80 | - | 10 | 8.00 | - |
| 2026-02-20 07:15 am | 2.0 | 53.42 | 40.94 | 26.20 | 95.60 | 8.80 | - | 9 | 8.00 | - |
| 2026-02-20 07:00 am | 2.0 | 52.88 | 39.82 | 25.40 | 96.50 | 8.90 | - | 6 | 8.00 | - |
| 2026-02-20 06:45 am | 2.0 | 53.42 | 40.74 | 26.00 | 97.00 | 8.90 | - | 6 | 8.00 | - |
| 2026-02-20 06:30 am | 1.6 | 53.42 | 41.06 | 26.20 | 97.20 | 8.90 | - | 7 | 8.00 | - |
| 2026-02-20 06:15 am | 1.6 | 53.42 | 41.37 | 26.50 | 97.40 | 8.90 | - | 7 | 8.00 | - |
| 2026-02-20 06:00 am | 2.0 | 52.70 | 39.86 | 25.40 | 97.30 | 9.00 | - | 8 | 8.00 | - |
| 2026-02-20 05:45 am | 2.0 | 53.06 | 40.59 | 25.90 | 98.30 | 9.10 | - | 6 | 8.00 | - |
| 2026-02-20 05:30 am | 2.0 | 53.24 | 41.09 | 26.30 | 98.60 | 9.10 | - | 7 | 8.00 | - |
| 2026-02-20 05:15 am | 2.0 | 53.24 | 41.21 | 26.40 | 99.30 | 9.10 | - | 8 | 8.00 | - |
| 2026-02-20 05:00 am | 2.3 | 53.60 | 41.65 | 26.70 | 99.50 | 9.10 | - | 9 | 8.00 | - |
Historical data for station EVMC1 are available at the NERRS website.
NDBC on Facebook
NOAA on LinkedIn
NDBC on Twitter