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): | 3.9 ft |
 Ocean Temperature (OTMP): | 59.90 °F |
| Conductivity (COND): | 33.84 mS/cm |
| Salinity (SAL): | 21.30 psu |
| Oxygen Saturation (O2PCT): | 89.3% |
| Oxygen Concentration (O2PPM): | 7.80 ppm |
| Turbidity (TURB): | 7 FTU |
| pH (PH): | 7.60 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-22 02:00 am | 3.9 | 60.26 | 33.54 | 21.10 | 87.70 | 7.70 | - | 9 | 7.60 | - |
| 2026-05-22 01:45 am | 3.6 | 60.80 | 35.79 | 22.60 | 84.70 | 7.30 | - | 6 | 7.60 | - |
| 2026-05-22 01:30 am | 3.3 | 60.98 | 35.65 | 22.50 | 83.70 | 7.20 | - | 7 | 7.50 | - |
| 2026-05-22 01:15 am | 3.3 | 61.16 | 35.74 | 22.60 | 83.20 | 7.10 | - | 9 | 7.50 | - |
| 2026-05-22 01:00 am | 3.0 | 60.98 | 37.17 | 23.60 | 81.30 | 6.90 | - | 8 | 7.50 | - |
| 2026-05-22 12:45 am | 3.0 | 61.16 | 39.02 | 24.90 | 75.40 | 6.40 | - | 5 | 7.50 | - |
| 2026-05-22 12:30 am | 2.6 | 61.16 | 39.16 | 25.00 | 78.80 | 6.70 | - | 6 | 7.50 | - |
| 2026-05-22 12:15 am | 2.6 | 61.16 | 39.15 | 25.00 | 77.10 | 6.50 | - | 5 | 7.50 | - |
| 2026-05-22 12:00 am | 2.3 | 60.98 | 39.26 | 25.10 | 78.80 | 6.70 | - | 5 | 7.50 | - |
| 2026-05-21 11:45 pm | 2.3 | 60.98 | 39.33 | 25.10 | 85.80 | 7.30 | - | 5 | 7.60 | - |
| 2026-05-21 11:30 pm | 2.3 | 60.98 | 39.57 | 25.30 | 82.10 | 6.90 | - | 6 | 7.60 | - |
| 2026-05-21 11:15 pm | 2.3 | 60.98 | 39.60 | 25.30 | 88.40 | 7.50 | - | 5 | 7.60 | - |
| 2026-05-21 11:00 pm | 2.3 | 60.98 | 39.79 | 25.40 | 83.40 | 7.00 | - | 5 | 7.60 | - |
| 2026-05-21 10:45 pm | 2.3 | 61.16 | 38.95 | 24.80 | 77.80 | 6.60 | - | 6 | 7.50 | - |
| 2026-05-21 10:30 pm | 2.6 | 60.98 | 39.23 | 25.10 | 83.50 | 7.10 | - | 5 | 7.60 | - |
| 2026-05-21 10:15 pm | 2.6 | 60.98 | 39.36 | 25.10 | 87.60 | 7.40 | - | 5 | 7.60 | - |
| 2026-05-21 10:00 pm | 3.0 | 60.98 | 39.23 | 25.00 | 93.30 | 7.90 | - | 7 | 7.70 | - |
| 2026-05-21 09:45 pm | 3.0 | 61.16 | 38.35 | 24.40 | 96.30 | 8.20 | - | 6 | 7.70 | - |
| 2026-05-21 09:30 pm | 3.3 | 60.98 | 39.43 | 25.20 | 97.30 | 8.20 | - | 6 | 7.70 | - |
| 2026-05-21 09:15 pm | 3.6 | 60.98 | 39.31 | 25.10 | 98.60 | 8.30 | - | 6 | 7.70 | - |
| 2026-05-21 09:00 pm | 3.6 | 60.80 | 39.68 | 25.40 | 98.60 | 8.30 | - | 7 | 7.70 | - |
| 2026-05-21 08:45 pm | 3.9 | 60.80 | 40.31 | 25.80 | 98.80 | 8.30 | - | 7 | 7.70 | - |
| 2026-05-21 08:30 pm | 4.3 | 60.80 | 40.28 | 25.80 | 100.00 | 8.40 | - | 6 | 7.80 | - |
| 2026-05-21 08:15 pm | 4.3 | 60.62 | 41.26 | 26.50 | 89.40 | 7.50 | - | 6 | 7.70 | - |
| 2026-05-21 08:00 pm | 4.6 | 60.62 | 41.33 | 26.50 | 95.10 | 8.00 | - | 6 | 7.70 | - |
| 2026-05-21 07:45 pm | 4.6 | 60.62 | 40.95 | 26.30 | 98.50 | 8.30 | - | 6 | 7.70 | - |
| 2026-05-21 07:30 pm | 4.9 | 60.62 | 40.99 | 26.30 | 101.10 | 8.50 | - | 6 | 7.80 | - |
| 2026-05-21 07:15 pm | 5.2 | 60.62 | 41.43 | 26.60 | 97.20 | 8.20 | - | 7 | 7.80 | - |
| 2026-05-21 07:00 pm | 5.2 | 60.62 | 41.26 | 26.50 | 99.30 | 8.40 | - | 6 | 7.80 | - |
| 2026-05-21 06:45 pm | 5.2 | 60.44 | 41.20 | 26.40 | 102.50 | 8.60 | - | 7 | 7.80 | - |
| 2026-05-21 06:30 pm | 5.6 | 60.44 | 41.45 | 26.60 | 97.70 | 8.20 | - | 6 | 7.80 | - |
| 2026-05-21 06:15 pm | 5.6 | 60.44 | 41.49 | 26.60 | 101.50 | 8.60 | - | 6 | 7.80 | - |
| 2026-05-21 06:00 pm | 5.6 | 60.44 | 41.35 | 26.50 | 102.70 | 8.70 | - | 5 | 7.80 | - |
| 2026-05-21 05:45 pm | 5.6 | 60.44 | 41.14 | 26.40 | 102.30 | 8.60 | - | 5 | 7.80 | - |
| 2026-05-21 05:30 pm | 5.6 | 60.44 | 40.93 | 26.20 | 101.40 | 8.60 | - | 6 | 7.80 | - |
| 2026-05-21 05:15 pm | 5.2 | 60.44 | 40.47 | 25.90 | 100.80 | 8.50 | - | 5 | 7.80 | - |
| 2026-05-21 05:00 pm | 5.2 | 60.62 | 39.64 | 25.30 | 99.80 | 8.50 | - | 6 | 7.70 | - |
| 2026-05-21 04:45 pm | 4.9 | 60.80 | 38.66 | 24.60 | 99.40 | 8.50 | - | 8 | 7.70 | - |
| 2026-05-21 04:30 pm | 4.6 | 60.98 | 37.52 | 23.80 | 98.90 | 8.40 | - | 7 | 7.70 | - |
| 2026-05-21 04:15 pm | 4.3 | 61.16 | 36.51 | 23.10 | 98.40 | 8.40 | - | 9 | 7.70 | - |
| 2026-05-21 04:00 pm | 3.9 | 61.34 | 35.08 | 22.10 | 98.90 | 8.50 | - | 10 | 7.70 | - |
| 2026-05-21 03:45 pm | 3.6 | 61.70 | 32.45 | 20.30 | 99.60 | 8.60 | - | 11 | 7.70 | - |
| 2026-05-21 03:30 pm | 3.0 | 62.06 | 27.70 | 17.10 | 99.50 | 8.70 | - | 13 | 7.60 | - |
| 2026-05-21 03:15 pm | 2.6 | 62.60 | 20.48 | 12.30 | 99.00 | 8.90 | - | 17 | 7.60 | - |
| 2026-05-21 03:00 pm | 2.3 | 63.14 | 15.55 | 9.10 | 99.50 | 9.00 | - | 18 | 7.60 | - |
| 2026-05-21 02:45 pm | 2.0 | 64.40 | 11.81 | 6.80 | 100.20 | 9.10 | - | 15 | 7.50 | - |
| 2026-05-21 02:30 pm | 1.6 | 64.58 | 8.22 | 4.60 | 102.50 | 9.40 | - | 13 | 7.40 | - |
| 2026-05-21 02:15 pm | 1.3 | 64.58 | 5.68 | 3.10 | 103.70 | 9.60 | - | 11 | 7.20 | - |
| 2026-05-21 02:00 pm | 0.7 | 62.42 | 3.75 | 2.00 | 95.20 | 9.10 | - | 11 | 7.10 | - |
| 2026-05-21 01:45 pm | 0.3 | 63.50 | 7.19 | 4.00 | 29.60 | 2.80 | - | 10 | 6.80 | - |
| 2026-05-21 01:30 pm | 0.3 | 63.50 | 6.98 | 3.90 | 32.80 | 3.10 | - | 10 | 6.80 | - |
| 2026-05-21 01:15 pm | 0.3 | 62.78 | 7.76 | 4.30 | 31.20 | 2.90 | - | 11 | 6.80 | - |
| 2026-05-21 01:00 pm | 0.3 | 62.24 | 7.21 | 4.00 | 34.60 | 3.30 | - | 8 | 6.80 | - |
| 2026-05-21 12:45 pm | 0.3 | 62.06 | 7.09 | 3.90 | 37.00 | 3.50 | - | 8 | 6.70 | - |
| 2026-05-21 12:30 pm | 0.3 | 61.70 | 7.13 | 3.90 | 40.20 | 3.80 | - | 12 | 6.80 | - |
| 2026-05-21 12:15 pm | 0.3 | 61.52 | 6.94 | 3.80 | 39.90 | 3.80 | - | 6 | 6.80 | - |
| 2026-05-21 12:00 pm | 0.3 | 61.52 | 6.64 | 3.70 | 63.70 | 6.10 | - | 10 | 6.90 | - |
| 2026-05-21 11:45 am | 0.3 | 61.16 | 7.06 | 3.90 | 50.00 | 4.80 | - | 25 | 6.80 | - |
| 2026-05-21 11:30 am | 0.3 | 60.98 | 7.08 | 3.90 | 84.20 | 8.10 | - | 24 | 7.00 | - |
| 2026-05-21 11:15 am | 0.3 | 59.90 | 7.25 | 4.00 | 85.90 | 8.40 | - | 9 | 7.00 | - |
| 2026-05-21 11:00 am | 0.3 | 59.00 | 7.45 | 4.10 | 87.30 | 8.60 | - | 8 | 7.10 | - |
| 2026-05-21 10:45 am | 0.3 | 58.82 | 7.87 | 4.40 | 87.30 | 8.60 | - | 13 | 7.10 | - |
| 2026-05-21 10:30 am | 0.3 | 58.46 | 8.28 | 4.60 | 87.20 | 8.60 | - | 10 | 7.10 | - |
| 2026-05-21 10:15 am | 0.3 | 58.10 | 8.70 | 4.90 | 86.00 | 8.50 | - | 10 | 7.10 | - |
| 2026-05-21 10:00 am | 0.3 | 57.74 | 9.15 | 5.20 | 84.80 | 8.40 | - | 12 | 7.00 | - |
| 2026-05-21 09:45 am | 0.7 | 57.74 | 9.92 | 5.60 | 83.40 | 8.30 | - | 15 | 7.00 | - |
| 2026-05-21 09:30 am | 0.7 | 57.92 | 10.87 | 6.20 | 81.90 | 8.10 | - | 23 | 7.10 | - |
| 2026-05-21 09:15 am | 1.0 | 58.10 | 12.01 | 6.90 | 80.20 | 7.80 | - | 34 | 7.10 | - |
| 2026-05-21 09:00 am | 1.3 | 58.46 | 13.93 | 8.10 | 78.40 | 7.60 | - | 25 | 7.10 | - |
| 2026-05-21 08:45 am | 1.6 | 58.82 | 15.35 | 9.00 | 77.80 | 7.40 | - | 23 | 7.10 | - |
| 2026-05-21 08:30 am | 2.0 | 59.18 | 16.87 | 10.00 | 77.40 | 7.30 | - | 34 | 7.10 | - |
| 2026-05-21 08:15 am | 2.3 | 60.08 | 23.98 | 14.60 | 77.60 | 7.10 | - | 11 | 7.30 | - |
| 2026-05-21 08:00 am | 2.6 | 60.80 | 32.48 | 20.30 | 78.00 | 6.80 | - | 9 | 7.50 | - |
| 2026-05-21 07:45 am | 3.0 | 61.16 | 37.67 | 24.00 | 79.00 | 6.70 | - | 9 | 7.60 | - |
| 2026-05-21 07:30 am | 3.6 | 60.98 | 39.77 | 25.40 | 80.50 | 6.80 | - | 9 | 7.60 | - |
| 2026-05-21 07:15 am | 3.9 | 60.44 | 42.48 | 27.40 | 81.10 | 6.80 | - | 13 | 7.70 | - |
| 2026-05-21 07:00 am | 4.3 | 60.44 | 42.55 | 27.40 | 82.30 | 6.90 | - | 7 | 7.70 | - |
| 2026-05-21 06:45 am | 4.6 | 60.44 | 42.82 | 27.60 | 82.80 | 6.90 | - | 8 | 7.70 | - |
| 2026-05-21 06:30 am | 4.9 | 60.26 | 43.22 | 27.90 | 82.60 | 6.90 | - | 8 | 7.70 | - |
| 2026-05-21 06:15 am | 5.2 | 60.26 | 43.47 | 28.10 | 84.00 | 7.00 | - | 8 | 7.70 | - |
| 2026-05-21 06:00 am | 5.2 | 60.08 | 43.70 | 28.20 | 84.10 | 7.00 | - | 7 | 7.70 | - |
| 2026-05-21 05:45 am | 5.6 | 60.08 | 43.77 | 28.30 | 84.70 | 7.10 | - | 8 | 7.70 | - |
| 2026-05-21 05:30 am | 5.9 | 60.08 | 43.83 | 28.30 | 85.20 | 7.10 | - | 6 | 7.70 | - |
| 2026-05-21 05:15 am | 6.2 | 60.08 | 43.93 | 28.40 | 85.40 | 7.20 | - | 6 | 7.70 | - |
| 2026-05-21 05:00 am | 6.2 | 60.08 | 44.23 | 28.60 | 86.20 | 7.20 | - | 6 | 7.70 | - |
| 2026-05-21 04:45 am | 6.6 | 59.90 | 44.29 | 28.60 | 86.60 | 7.30 | - | 6 | 7.70 | - |
| 2026-05-21 04:30 am | 6.9 | 59.90 | 44.52 | 28.80 | 87.10 | 7.30 | - | 7 | 7.70 | - |
| 2026-05-21 04:15 am | 6.9 | 59.90 | 44.53 | 28.80 | 85.80 | 7.20 | - | 5 | 7.70 | - |
| 2026-05-21 04:00 am | 6.9 | 59.90 | 44.46 | 28.80 | 86.90 | 7.30 | - | 6 | 7.80 | - |
| 2026-05-21 03:45 am | 6.9 | 59.90 | 44.28 | 28.60 | 87.90 | 7.40 | - | 6 | 7.80 | - |
| 2026-05-21 03:30 am | 6.9 | 59.90 | 44.11 | 28.50 | 88.20 | 7.40 | - | 6 | 7.80 | - |
| 2026-05-21 03:15 am | 6.6 | 60.08 | 44.02 | 28.40 | 88.10 | 7.40 | - | 7 | 7.80 | - |
| 2026-05-21 03:00 am | 6.6 | 59.90 | 43.88 | 28.30 | 87.80 | 7.40 | - | 7 | 7.80 | - |
Historical data for station CHQO3 are available at the NERRS website.
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