Station CHQO3 - Winchester Arm, South Slough Reserve, OR
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
43.282 N 124.320 W (43°16'57" N 124°19'13" 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): | 7.5 ft |
 Ocean Temperature (OTMP): | 68.54 °F |
| Conductivity (COND): | 47.17 mS/cm |
| Salinity (SAL): | 30.70 psu |
| Oxygen Saturation (O2PCT): | 84.9% |
| Oxygen Concentration (O2PPM): | 6.40 ppm |
| Turbidity (TURB): | 8 FTU |
| pH (PH): | 7.70 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-07-11 12:00 am | 7.5 | 68.72 | 47.07 | 30.70 | 84.50 | 6.40 | - | 8 | 7.70 | - |
| 2025-07-10 11:45 pm | 7.2 | 68.90 | 47.06 | 30.70 | 84.40 | 6.40 | - | 9 | 7.70 | - |
| 2025-07-10 11:30 pm | 6.9 | 69.08 | 46.88 | 30.50 | 84.30 | 6.30 | - | 9 | 7.70 | - |
| 2025-07-10 11:15 pm | 6.9 | 69.26 | 46.40 | 30.20 | 84.00 | 6.30 | - | 10 | 7.70 | - |
| 2025-07-10 11:00 pm | 6.6 | 69.44 | 46.08 | 29.90 | 85.10 | 6.40 | - | 10 | 7.70 | - |
| 2025-07-10 10:45 pm | 6.2 | 69.98 | 45.73 | 29.70 | 86.20 | 6.50 | - | 10 | 7.70 | - |
| 2025-07-10 10:30 pm | 5.9 | 70.34 | 45.43 | 29.50 | 86.80 | 6.50 | - | 9 | 7.70 | - |
| 2025-07-10 10:15 pm | 5.6 | 70.34 | 44.69 | 28.90 | 86.70 | 6.50 | - | 10 | 7.70 | - |
| 2025-07-10 10:00 pm | 5.2 | 70.70 | 42.98 | 27.70 | 86.70 | 6.50 | - | 8 | 7.60 | - |
| 2025-07-10 09:45 pm | 4.9 | 71.06 | 42.02 | 27.00 | 86.80 | 6.50 | - | 8 | 7.60 | - |
| 2025-07-10 09:30 pm | 4.6 | 70.88 | 41.15 | 26.40 | 85.50 | 6.50 | - | 8 | 7.50 | - |
| 2025-07-10 09:15 pm | 4.3 | 70.88 | 40.39 | 25.90 | 80.50 | 6.10 | - | 8 | 7.50 | - |
| 2025-07-10 09:00 pm | 4.3 | 70.88 | 39.72 | 25.40 | 79.60 | 6.10 | - | 8 | 7.50 | - |
| 2025-07-10 08:45 pm | 3.9 | 71.24 | 41.12 | 26.40 | 71.70 | 5.40 | - | 7 | 7.40 | - |
| 2025-07-10 08:30 pm | 3.6 | 71.42 | 40.94 | 26.20 | 71.90 | 5.40 | - | 7 | 7.40 | - |
| 2025-07-10 08:15 pm | 3.6 | 71.42 | 41.86 | 26.90 | 74.60 | 5.60 | - | 8 | 7.40 | - |
| 2025-07-10 08:00 pm | 3.3 | 71.06 | 42.76 | 27.50 | 57.30 | 4.30 | - | 7 | 7.30 | - |
| 2025-07-10 07:45 pm | 3.3 | 71.06 | 43.04 | 27.70 | 59.70 | 4.50 | - | 11 | 7.30 | - |
| 2025-07-10 07:30 pm | 3.0 | 71.24 | 42.67 | 27.50 | 81.50 | 6.10 | - | 5 | 7.40 | - |
| 2025-07-10 07:15 pm | 3.0 | 71.06 | 42.82 | 27.60 | 59.30 | 4.40 | - | 7 | 7.30 | - |
| 2025-07-10 07:00 pm | 3.0 | 71.24 | 42.99 | 27.70 | 66.10 | 4.90 | - | 13 | 7.30 | - |
| 2025-07-10 06:45 pm | 3.0 | 71.06 | 42.81 | 27.60 | 77.90 | 5.80 | - | 6 | 7.40 | - |
| 2025-07-10 06:30 pm | 3.0 | 71.24 | 43.05 | 27.80 | 74.70 | 5.60 | - | 7 | 7.40 | - |
| 2025-07-10 06:15 pm | 3.0 | 71.06 | 42.73 | 27.50 | 74.60 | 5.60 | - | 13 | 7.40 | - |
| 2025-07-10 06:00 pm | 3.3 | 71.06 | 43.03 | 27.70 | 81.80 | 6.10 | - | 6 | 7.40 | - |
| 2025-07-10 05:45 pm | 3.6 | 70.88 | 42.22 | 27.20 | 84.00 | 6.30 | - | 6 | 7.50 | - |
| 2025-07-10 05:30 pm | 3.6 | 70.88 | 42.47 | 27.30 | 83.80 | 6.30 | - | 5 | 7.50 | - |
| 2025-07-10 05:15 pm | 3.9 | 70.70 | 43.21 | 27.90 | 83.60 | 6.30 | - | 5 | 7.50 | - |
| 2025-07-10 05:00 pm | 3.9 | 70.70 | 43.33 | 28.00 | 81.70 | 6.10 | - | 5 | 7.50 | - |
| 2025-07-10 04:45 pm | 4.3 | 70.34 | 43.71 | 28.20 | 80.70 | 6.10 | - | 6 | 7.50 | - |
| 2025-07-10 04:30 pm | 4.6 | 70.16 | 44.03 | 28.50 | 81.00 | 6.10 | - | 7 | 7.50 | - |
| 2025-07-10 04:15 pm | 4.6 | 70.16 | 44.26 | 28.60 | 79.70 | 6.00 | - | 7 | 7.50 | - |
| 2025-07-10 04:00 pm | 4.9 | 69.80 | 44.32 | 28.70 | 74.60 | 5.60 | - | 6 | 7.40 | - |
| 2025-07-10 03:45 pm | 4.9 | 69.80 | 44.33 | 28.70 | 80.40 | 6.10 | - | 6 | 7.50 | - |
| 2025-07-10 03:30 pm | 5.2 | 69.62 | 44.38 | 28.70 | 76.80 | 5.80 | - | 7 | 7.50 | - |
| 2025-07-10 03:15 pm | 5.2 | 69.62 | 44.61 | 28.90 | 77.80 | 5.90 | - | 5 | 7.50 | - |
| 2025-07-10 03:00 pm | 5.6 | 69.44 | 44.72 | 29.00 | 81.40 | 6.20 | - | 6 | 7.50 | - |
| 2025-07-10 02:45 pm | 5.6 | 69.26 | 44.77 | 29.00 | 76.50 | 5.80 | - | 6 | 7.50 | - |
| 2025-07-10 02:30 pm | 5.6 | 69.26 | 44.78 | 29.00 | 77.90 | 5.90 | - | 5 | 7.50 | - |
| 2025-07-10 02:15 pm | 5.6 | 69.26 | 44.78 | 29.00 | 76.40 | 5.80 | - | 5 | 7.50 | - |
| 2025-07-10 02:00 pm | 5.6 | 69.08 | 44.53 | 28.80 | 78.10 | 5.90 | - | 6 | 7.50 | - |
| 2025-07-10 01:45 pm | 5.6 | 69.08 | 44.46 | 28.80 | 78.70 | 6.00 | - | 6 | 7.50 | - |
| 2025-07-10 01:30 pm | 5.6 | 69.08 | 44.10 | 28.50 | 78.00 | 5.90 | - | 6 | 7.50 | - |
| 2025-07-10 01:15 pm | 5.2 | 68.90 | 43.41 | 28.00 | 76.00 | 5.80 | - | 6 | 7.50 | - |
| 2025-07-10 01:00 pm | 4.9 | 68.90 | 42.76 | 27.60 | 74.00 | 5.70 | - | 7 | 7.40 | - |
| 2025-07-10 12:45 pm | 4.9 | 68.72 | 42.11 | 27.10 | 73.50 | 5.70 | - | 7 | 7.40 | - |
| 2025-07-10 12:30 pm | 4.6 | 68.54 | 41.36 | 26.60 | 72.40 | 5.60 | - | 8 | 7.40 | - |
| 2025-07-10 12:15 pm | 4.3 | 68.36 | 40.58 | 26.00 | 71.00 | 5.50 | - | 9 | 7.40 | - |
| 2025-07-10 12:00 pm | 3.9 | 68.00 | 38.93 | 24.80 | 69.30 | 5.40 | - | 10 | 7.30 | - |
| 2025-07-10 11:45 am | 3.6 | 67.64 | 36.40 | 23.10 | 68.40 | 5.50 | - | 12 | 7.30 | - |
| 2025-07-10 11:30 am | 3.3 | 67.28 | 32.39 | 20.30 | 69.10 | 5.60 | - | 19 | 7.30 | - |
| 2025-07-10 11:15 am | 2.6 | 66.74 | 28.54 | 17.70 | 69.30 | 5.80 | - | 20 | 7.20 | - |
| 2025-07-10 11:00 am | 2.3 | 66.20 | 23.96 | 14.60 | 71.70 | 6.10 | - | 21 | 7.20 | - |
| 2025-07-10 10:45 am | 2.0 | 65.84 | 19.53 | 11.70 | 73.80 | 6.40 | - | 19 | 7.20 | - |
| 2025-07-10 10:30 am | 1.6 | 65.84 | 16.00 | 9.40 | 76.50 | 6.70 | - | 15 | 7.20 | - |
| 2025-07-10 10:15 am | 1.3 | 65.48 | 13.10 | 7.60 | 76.70 | 6.90 | - | 14 | 7.10 | - |
| 2025-07-10 10:00 am | 1.0 | 64.94 | 11.13 | 6.40 | 77.40 | 7.00 | - | 13 | 7.00 | - |
| 2025-07-10 09:45 am | 0.7 | 65.84 | 15.86 | 9.30 | 9.40 | 0.80 | - | 20 | 6.90 | - |
| 2025-07-10 09:30 am | 0.3 | 65.48 | 15.93 | 9.40 | 9.80 | 0.90 | - | 22 | 6.90 | - |
| 2025-07-10 09:15 am | 0.3 | 65.30 | 16.24 | 9.60 | 10.20 | 0.90 | - | 20 | 6.90 | - |
| 2025-07-10 09:00 am | 0.3 | 65.30 | 16.51 | 9.70 | 9.00 | 0.80 | - | 15 | 6.90 | - |
| 2025-07-10 08:45 am | 0.3 | 65.12 | 16.54 | 9.70 | 7.10 | 0.60 | - | 18 | 6.90 | - |
| 2025-07-10 08:30 am | 0.3 | 64.94 | 16.01 | 9.40 | 8.90 | 0.80 | - | 20 | 6.90 | - |
| 2025-07-10 08:15 am | 0.3 | 64.94 | 16.01 | 9.40 | 11.20 | 1.00 | - | 80 | 6.90 | - |
| 2025-07-10 08:00 am | 0.3 | 64.94 | 16.33 | 9.60 | 10.20 | 0.90 | - | 20 | 6.90 | - |
| 2025-07-10 07:45 am | 0.7 | 64.76 | 15.50 | 9.10 | 12.00 | 1.10 | - | 51 | 6.80 | - |
| 2025-07-10 07:30 am | 0.7 | 64.76 | 15.17 | 8.90 | 23.40 | 2.10 | - | 20 | 6.80 | - |
| 2025-07-10 07:15 am | 0.7 | 64.58 | 14.67 | 8.60 | 47.60 | 4.30 | - | 11 | 6.90 | - |
| 2025-07-10 07:00 am | 0.7 | 64.58 | 14.89 | 8.70 | 51.90 | 4.70 | - | 27 | 6.90 | - |
| 2025-07-10 06:45 am | 0.7 | 64.76 | 14.93 | 8.70 | 56.50 | 5.10 | - | 13 | 6.90 | - |
| 2025-07-10 06:30 am | 0.7 | 64.94 | 15.60 | 9.20 | 58.60 | 5.20 | - | 13 | 6.90 | - |
| 2025-07-10 06:15 am | 1.0 | 65.12 | 16.51 | 9.70 | 63.10 | 5.60 | - | 18 | 6.90 | - |
| 2025-07-10 06:00 am | 1.0 | 65.48 | 17.96 | 10.70 | 62.70 | 5.50 | - | 18 | 6.90 | - |
| 2025-07-10 05:45 am | 1.3 | 66.02 | 19.51 | 11.70 | 63.10 | 5.50 | - | 20 | 6.90 | - |
| 2025-07-10 05:30 am | 1.3 | 66.56 | 21.90 | 13.20 | 61.20 | 5.20 | - | 21 | 6.90 | - |
| 2025-07-10 05:15 am | 1.6 | 67.10 | 23.53 | 14.30 | 61.00 | 5.20 | - | 19 | 6.90 | - |
| 2025-07-10 05:00 am | 2.0 | 67.64 | 25.70 | 15.70 | 61.80 | 5.10 | - | 13 | 7.00 | - |
| 2025-07-10 04:45 am | 2.3 | 68.18 | 27.65 | 17.00 | 61.70 | 5.10 | - | 10 | 7.00 | - |
| 2025-07-10 04:30 am | 2.6 | 69.62 | 34.47 | 21.70 | 61.80 | 4.90 | - | 7 | 7.20 | - |
| 2025-07-10 04:15 am | 3.0 | 70.88 | 40.07 | 25.60 | 63.60 | 4.80 | - | 5 | 7.30 | - |
| 2025-07-10 04:00 am | 3.6 | 71.24 | 41.91 | 26.90 | 66.30 | 5.00 | - | 5 | 7.40 | - |
| 2025-07-10 03:45 am | 3.9 | 71.42 | 42.63 | 27.50 | 70.20 | 5.20 | - | 4 | 7.40 | - |
| 2025-07-10 03:30 am | 4.3 | 71.60 | 43.54 | 28.10 | 70.90 | 5.30 | - | 4 | 7.40 | - |
| 2025-07-10 03:15 am | 4.6 | 71.60 | 44.38 | 28.70 | 73.70 | 5.50 | - | 5 | 7.50 | - |
| 2025-07-10 03:00 am | 4.9 | 71.78 | 44.85 | 29.00 | 75.10 | 5.50 | - | 5 | 7.50 | - |
| 2025-07-10 02:45 am | 5.2 | 71.60 | 45.40 | 29.40 | 72.00 | 5.30 | - | 6 | 7.50 | - |
| 2025-07-10 02:30 am | 5.2 | 71.78 | 45.01 | 29.20 | 77.70 | 5.70 | - | 5 | 7.50 | - |
| 2025-07-10 02:15 am | 5.6 | 71.60 | 45.55 | 29.60 | 77.60 | 5.70 | - | 8 | 7.60 | - |
| 2025-07-10 02:00 am | 5.9 | 71.24 | 45.91 | 29.80 | 75.10 | 5.50 | - | 6 | 7.60 | - |
| 2025-07-10 01:45 am | 6.2 | 71.42 | 45.86 | 29.80 | 81.90 | 6.00 | - | 5 | 7.60 | - |
| 2025-07-10 01:30 am | 6.6 | 71.06 | 46.34 | 30.10 | 80.00 | 5.90 | - | 8 | 7.60 | - |
| 2025-07-10 01:15 am | 6.9 | 70.70 | 46.46 | 30.20 | 78.50 | 5.80 | - | 6 | 7.60 | - |
| 2025-07-10 01:00 am | 6.9 | 70.52 | 46.67 | 30.40 | 78.50 | 5.80 | - | 5 | 7.60 | - |
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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