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)
Stations with recent data Stations with no data in last 8 hours(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): | 4.6 ft |
 Ocean Temperature (OTMP): | 56.66 °F |
| Conductivity (COND): | 41.72 mS/cm |
| Salinity (SAL): | 26.80 psu |
| Oxygen Saturation (O2PCT): | 81.7% |
| Oxygen Concentration (O2PPM): | 7.20 ppm |
| Turbidity (TURB): | 7 FTU |
| pH (PH): | 7.50 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-13 05:00 pm | 4.6 | 56.66 | 41.56 | 26.70 | 81.90 | 7.20 | - | 7 | 7.50 | - |
| 2025-11-13 04:45 pm | 4.3 | 56.84 | 41.36 | 26.50 | 81.40 | 7.20 | - | 8 | 7.50 | - |
| 2025-11-13 04:30 pm | 3.9 | 56.84 | 41.10 | 26.30 | 81.90 | 7.20 | - | 10 | 7.50 | - |
| 2025-11-13 04:15 pm | 3.9 | 56.66 | 41.63 | 26.70 | 80.40 | 7.10 | - | 6 | 7.50 | - |
| 2025-11-13 04:00 pm | 3.6 | 56.84 | 41.32 | 26.50 | 81.90 | 7.20 | - | 7 | 7.50 | - |
| 2025-11-13 03:45 pm | 3.3 | 56.66 | 41.65 | 26.70 | 77.90 | 6.90 | - | 10 | 7.40 | - |
| 2025-11-13 03:30 pm | 3.3 | 56.66 | 41.62 | 26.70 | 75.60 | 6.70 | - | 6 | 7.40 | - |
| 2025-11-13 03:15 pm | 3.0 | 56.66 | 41.65 | 26.70 | 77.80 | 6.80 | - | 11 | 7.40 | - |
| 2025-11-13 03:00 pm | 3.0 | 56.48 | 41.31 | 26.50 | 76.30 | 6.70 | - | 7 | 7.40 | - |
| 2025-11-13 02:45 pm | 2.6 | 56.48 | 41.10 | 26.30 | 76.20 | 6.70 | - | 6 | 7.40 | - |
| 2025-11-13 02:30 pm | 2.6 | 56.48 | 40.66 | 26.00 | 75.30 | 6.70 | - | 7 | 7.40 | - |
| 2025-11-13 02:15 pm | 2.6 | 56.48 | 40.63 | 26.00 | 74.50 | 6.60 | - | 8 | 7.40 | - |
| 2025-11-13 02:00 pm | 2.3 | 56.48 | 40.78 | 26.10 | 70.40 | 6.20 | - | 9 | 7.40 | - |
| 2025-11-13 01:45 pm | 2.3 | 56.30 | 40.71 | 26.10 | 74.90 | 6.60 | - | 9 | 7.40 | - |
| 2025-11-13 01:30 pm | 2.3 | 56.30 | 40.91 | 26.20 | 73.60 | 6.50 | - | 10 | 7.40 | - |
| 2025-11-13 01:15 pm | 2.3 | 56.30 | 40.85 | 26.20 | 73.10 | 6.50 | - | 10 | 7.40 | - |
| 2025-11-13 01:00 pm | 2.3 | 56.12 | 40.16 | 25.70 | 70.30 | 6.30 | - | 22 | 7.40 | - |
| 2025-11-13 12:45 pm | 2.6 | 56.30 | 40.28 | 25.70 | 72.60 | 6.50 | - | 10 | 7.40 | - |
| 2025-11-13 12:30 pm | 2.6 | 55.94 | 39.99 | 25.50 | 71.90 | 6.40 | - | 8 | 7.40 | - |
| 2025-11-13 12:15 pm | 3.0 | 55.76 | 40.30 | 25.80 | 72.70 | 6.50 | - | 13 | 7.40 | - |
| 2025-11-13 12:00 pm | 3.3 | 55.76 | 40.84 | 26.10 | 73.20 | 6.50 | - | 9 | 7.40 | - |
| 2025-11-13 11:45 am | 3.3 | 55.76 | 41.41 | 26.50 | 65.50 | 5.80 | - | 17 | 7.40 | - |
| 2025-11-13 11:30 am | 3.6 | 55.76 | 41.40 | 26.50 | 70.80 | 6.30 | - | 21 | 7.40 | - |
| 2025-11-13 11:15 am | 3.6 | 55.76 | 41.71 | 26.70 | 69.40 | 6.20 | - | 9 | 7.40 | - |
| 2025-11-13 11:00 am | 3.9 | 55.76 | 41.75 | 26.80 | 72.20 | 6.40 | - | 10 | 7.40 | - |
| 2025-11-13 10:45 am | 4.3 | 55.76 | 41.34 | 26.50 | 74.30 | 6.60 | - | 8 | 7.40 | - |
| 2025-11-13 10:30 am | 4.3 | 55.76 | 41.74 | 26.80 | 75.50 | 6.70 | - | 7 | 7.50 | - |
| 2025-11-13 10:15 am | 4.6 | 55.76 | 41.83 | 26.80 | 74.90 | 6.70 | - | 8 | 7.50 | - |
| 2025-11-13 10:00 am | 4.9 | 55.76 | 42.00 | 27.00 | 76.50 | 6.80 | - | 7 | 7.50 | - |
| 2025-11-13 09:45 am | 5.2 | 55.76 | 42.49 | 27.30 | 77.20 | 6.80 | - | 8 | 7.50 | - |
| 2025-11-13 09:30 am | 5.2 | 55.76 | 41.99 | 26.90 | 77.30 | 6.90 | - | 7 | 7.50 | - |
| 2025-11-13 09:15 am | 5.6 | 55.76 | 43.07 | 27.70 | 78.50 | 6.90 | - | 8 | 7.50 | - |
| 2025-11-13 09:00 am | 5.9 | 55.76 | 43.23 | 27.80 | 77.60 | 6.90 | - | 9 | 7.50 | - |
| 2025-11-13 08:45 am | 6.2 | 55.76 | 43.46 | 28.00 | 75.60 | 6.70 | - | 21 | 7.50 | - |
| 2025-11-13 08:30 am | 6.2 | 55.76 | 43.48 | 28.00 | 78.20 | 6.90 | - | 9 | 7.50 | - |
| 2025-11-13 08:15 am | 6.2 | 55.76 | 43.46 | 28.00 | 75.80 | 6.70 | - | 7 | 7.50 | - |
| 2025-11-13 08:00 am | 6.2 | 55.76 | 43.54 | 28.10 | 79.40 | 7.00 | - | 7 | 7.50 | - |
| 2025-11-13 07:45 am | 6.6 | 55.76 | 43.61 | 28.10 | 79.60 | 7.00 | - | 7 | 7.60 | - |
| 2025-11-13 07:30 am | 6.6 | 55.76 | 43.63 | 28.10 | 80.40 | 7.10 | - | 8 | 7.60 | - |
| 2025-11-13 07:15 am | 6.6 | 55.76 | 43.44 | 28.00 | 80.60 | 7.10 | - | 9 | 7.60 | - |
| 2025-11-13 07:00 am | 6.6 | 55.76 | 43.16 | 27.80 | 80.60 | 7.10 | - | 7 | 7.50 | - |
| 2025-11-13 06:45 am | 6.2 | 55.76 | 42.76 | 27.50 | 80.30 | 7.10 | - | 8 | 7.50 | - |
| 2025-11-13 06:30 am | 6.2 | 55.76 | 42.31 | 27.20 | 79.80 | 7.10 | - | 8 | 7.50 | - |
| 2025-11-13 06:15 am | 5.9 | 55.76 | 41.80 | 26.80 | 79.20 | 7.00 | - | 9 | 7.50 | - |
| 2025-11-13 06:00 am | 5.6 | 55.76 | 41.38 | 26.50 | 78.60 | 7.00 | - | 9 | 7.50 | - |
| 2025-11-13 05:45 am | 5.2 | 55.76 | 40.88 | 26.20 | 78.00 | 7.00 | - | 9 | 7.50 | - |
| 2025-11-13 05:30 am | 4.9 | 55.76 | 39.97 | 25.50 | 77.00 | 6.90 | - | 9 | 7.40 | - |
| 2025-11-13 05:15 am | 4.6 | 55.58 | 38.66 | 24.60 | 75.50 | 6.80 | - | 10 | 7.40 | - |
| 2025-11-13 05:00 am | 4.3 | 55.58 | 37.15 | 23.50 | 74.20 | 6.70 | - | 10 | 7.40 | - |
| 2025-11-13 04:45 am | 3.9 | 55.40 | 36.10 | 22.80 | 73.60 | 6.70 | - | 10 | 7.30 | - |
| 2025-11-13 04:30 am | 3.6 | 55.40 | 35.28 | 22.20 | 73.50 | 6.80 | - | 10 | 7.30 | - |
| 2025-11-13 04:15 am | 3.3 | 55.22 | 34.44 | 21.70 | 73.00 | 6.70 | - | 12 | 7.30 | - |
| 2025-11-13 04:00 am | 3.0 | 55.22 | 33.74 | 21.20 | 73.00 | 6.80 | - | 13 | 7.20 | - |
| 2025-11-13 03:45 am | 2.6 | 55.04 | 32.78 | 20.50 | 72.70 | 6.80 | - | 14 | 7.20 | - |
| 2025-11-13 03:30 am | 2.3 | 55.04 | 31.79 | 19.80 | 72.40 | 6.80 | - | 14 | 7.20 | - |
| 2025-11-13 03:15 am | 2.0 | 54.86 | 30.61 | 19.00 | 72.20 | 6.80 | - | 15 | 7.10 | - |
| 2025-11-13 03:00 am | 2.0 | 54.68 | 27.77 | 17.10 | 72.80 | 6.90 | - | 16 | 7.10 | - |
| 2025-11-13 02:45 am | 1.6 | 54.50 | 24.86 | 15.20 | 73.90 | 7.20 | - | 17 | 7.00 | - |
| 2025-11-13 02:30 am | 1.3 | 54.50 | 22.96 | 13.90 | 74.40 | 7.30 | - | 22 | 7.00 | - |
| 2025-11-13 02:15 am | 1.0 | 54.32 | 21.06 | 12.70 | 75.00 | 7.40 | - | 20 | 6.90 | - |
| 2025-11-13 02:00 am | 1.0 | 54.32 | 17.83 | 10.60 | 75.80 | 7.60 | - | 11 | 6.90 | - |
| 2025-11-13 01:45 am | 0.7 | 54.14 | 16.99 | 10.00 | 76.80 | 7.70 | - | 12 | 6.90 | - |
| 2025-11-13 01:30 am | 0.7 | 54.14 | 15.46 | 9.10 | 77.20 | 7.80 | - | 10 | 6.90 | - |
| 2025-11-13 01:15 am | 0.3 | 54.14 | 15.13 | 8.80 | 77.80 | 7.90 | - | 10 | 6.90 | - |
| 2025-11-13 01:00 am | 0.3 | 54.14 | 15.25 | 8.90 | 77.60 | 7.90 | - | 12 | 6.90 | - |
| 2025-11-13 12:45 am | 0.3 | 54.14 | 15.54 | 9.10 | 77.90 | 7.90 | - | 12 | 6.90 | - |
| 2025-11-13 12:30 am | 0.3 | 54.14 | 16.25 | 9.60 | 77.70 | 7.80 | - | 14 | 6.90 | - |
| 2025-11-13 12:15 am | 0.3 | 54.32 | 17.32 | 10.20 | 77.40 | 7.80 | - | 25 | 6.90 | - |
| 2025-11-13 12:00 am | 0.3 | 54.32 | 19.65 | 11.70 | 76.60 | 7.60 | - | 16 | 7.00 | - |
| 2025-11-12 11:45 pm | 0.7 | 54.50 | 21.89 | 13.20 | 75.80 | 7.40 | - | 21 | 7.00 | - |
| 2025-11-12 11:30 pm | 1.0 | 54.50 | 23.16 | 14.00 | 75.10 | 7.30 | - | 10 | 7.00 | - |
| 2025-11-12 11:15 pm | 1.0 | 54.50 | 24.49 | 14.90 | 74.50 | 7.20 | - | 13 | 7.00 | - |
| 2025-11-12 11:00 pm | 1.3 | 54.68 | 26.13 | 16.00 | 73.40 | 7.10 | - | 11 | 7.10 | - |
| 2025-11-12 10:45 pm | 1.6 | 55.22 | 35.32 | 22.30 | 72.80 | 6.70 | - | 9 | 7.30 | - |
| 2025-11-12 10:30 pm | 2.0 | 55.40 | 37.86 | 24.00 | 73.30 | 6.70 | - | 7 | 7.30 | - |
| 2025-11-12 10:15 pm | 2.3 | 55.40 | 39.63 | 25.30 | 74.30 | 6.70 | - | 7 | 7.40 | - |
| 2025-11-12 10:00 pm | 2.6 | 55.58 | 40.64 | 26.00 | 75.40 | 6.70 | - | 6 | 7.40 | - |
| 2025-11-12 09:45 pm | 3.0 | 55.58 | 41.18 | 26.40 | 76.40 | 6.80 | - | 6 | 7.40 | - |
| 2025-11-12 09:30 pm | 3.0 | 55.76 | 41.84 | 26.80 | 77.20 | 6.90 | - | 6 | 7.50 | - |
| 2025-11-12 09:15 pm | 3.6 | 55.76 | 42.21 | 27.10 | 77.40 | 6.90 | - | 5 | 7.50 | - |
| 2025-11-12 09:00 pm | 3.6 | 55.76 | 42.32 | 27.20 | 78.00 | 6.90 | - | 6 | 7.50 | - |
| 2025-11-12 08:45 pm | 3.9 | 55.76 | 42.46 | 27.30 | 78.40 | 6.90 | - | 6 | 7.50 | - |
| 2025-11-12 08:30 pm | 4.3 | 55.76 | 42.67 | 27.40 | 78.80 | 7.00 | - | 7 | 7.50 | - |
| 2025-11-12 08:15 pm | 4.3 | 55.76 | 42.75 | 27.50 | 79.80 | 7.10 | - | 5 | 7.50 | - |
| 2025-11-12 08:00 pm | 4.6 | 55.76 | 43.00 | 27.70 | 79.60 | 7.00 | - | 6 | 7.50 | - |
| 2025-11-12 07:45 pm | 4.9 | 55.76 | 43.06 | 27.70 | 79.50 | 7.00 | - | 6 | 7.50 | - |
| 2025-11-12 07:30 pm | 4.9 | 55.76 | 43.13 | 27.80 | 80.40 | 7.10 | - | 6 | 7.50 | - |
| 2025-11-12 07:15 pm | 5.2 | 55.76 | 43.30 | 27.90 | 80.40 | 7.10 | - | 7 | 7.50 | - |
| 2025-11-12 07:00 pm | 5.2 | 55.76 | 43.33 | 27.90 | 80.60 | 7.10 | - | 7 | 7.50 | - |
| 2025-11-12 06:45 pm | 5.6 | 55.76 | 43.52 | 28.00 | 80.50 | 7.10 | - | 8 | 7.50 | - |
| 2025-11-12 06:30 pm | 5.6 | 55.76 | 43.53 | 28.00 | 79.60 | 7.00 | - | 6 | 7.60 | - |
| 2025-11-12 06:15 pm | 5.9 | 55.76 | 43.55 | 28.10 | 83.00 | 7.30 | - | 7 | 7.60 | - |
| 2025-11-12 06:00 pm | 5.9 | 55.76 | 43.57 | 28.10 | 84.40 | 7.40 | - | 8 | 7.60 | - |
Historical data for station CHQO3 are available at the NERRS website.
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