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): | 6.9 ft |
 Ocean Temperature (OTMP): | 45.86 °F |
| Conductivity (COND): | 36.33 mS/cm |
| Salinity (SAL): | 22.80 psu |
| Oxygen Saturation (O2PCT): | 93.7% |
| Oxygen Concentration (O2PPM): | 9.60 ppm |
| Turbidity (TURB): | 3 FTU |
| pH (PH): | 7.80 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-24 03:00 am | 6.6 | 45.50 | 35.11 | 21.90 | 93.50 | 9.70 | - | 3 | 7.80 | - |
| 2026-01-24 02:45 am | 6.2 | 45.50 | 34.10 | 21.20 | 93.40 | 9.80 | - | 4 | 7.80 | - |
| 2026-01-24 02:30 am | 5.9 | 45.50 | 32.85 | 20.40 | 93.70 | 9.80 | - | 4 | 7.80 | - |
| 2026-01-24 02:15 am | 5.6 | 45.32 | 31.42 | 19.40 | 93.60 | 9.90 | - | 4 | 7.70 | - |
| 2026-01-24 02:00 am | 5.2 | 44.96 | 28.88 | 17.70 | 93.00 | 10.00 | - | 4 | 7.70 | - |
| 2026-01-24 01:45 am | 4.9 | 44.24 | 24.41 | 14.70 | 92.20 | 10.20 | - | 4 | 7.50 | - |
| 2026-01-24 01:30 am | 4.6 | 44.06 | 21.28 | 12.70 | 91.70 | 10.30 | - | 5 | 7.40 | - |
| 2026-01-24 01:15 am | 3.9 | 43.88 | 19.60 | 11.60 | 91.30 | 10.40 | - | 4 | 7.40 | - |
| 2026-01-24 01:00 am | 3.6 | 43.34 | 16.39 | 9.60 | 90.80 | 10.50 | - | 5 | 7.20 | - |
| 2026-01-24 12:45 am | 3.3 | 42.62 | 10.55 | 5.90 | 90.50 | 10.90 | - | 6 | 7.00 | - |
| 2026-01-24 12:30 am | 3.0 | 42.26 | 6.51 | 3.50 | 90.60 | 11.10 | - | 7 | 6.90 | - |
| 2026-01-24 12:15 am | 2.6 | 41.90 | 3.68 | 1.90 | 91.20 | 11.40 | - | 7 | 6.90 | - |
| 2026-01-24 12:00 am | 2.3 | 41.54 | 1.64 | 0.80 | 91.60 | 11.60 | - | 7 | 6.90 | - |
| 2026-01-23 11:45 pm | 2.0 | 41.72 | 1.14 | 0.60 | 92.20 | 11.60 | - | 8 | 7.00 | - |
| 2026-01-23 11:30 pm | 1.6 | 41.72 | 0.81 | 0.40 | 92.50 | 11.70 | - | 6 | 6.90 | - |
| 2026-01-23 11:15 pm | 1.3 | 41.90 | 0.61 | 0.30 | 91.80 | 11.60 | - | 5 | 7.00 | - |
| 2026-01-23 11:00 pm | 1.0 | 41.90 | 0.51 | 0.30 | 92.10 | 11.60 | - | 6 | 7.00 | - |
| 2026-01-23 10:45 pm | 1.0 | 41.90 | 0.54 | 0.30 | 92.10 | 11.60 | - | 6 | 7.00 | - |
| 2026-01-23 10:30 pm | 0.7 | 41.90 | 0.54 | 0.30 | 92.90 | 11.70 | - | 10 | 7.00 | - |
| 2026-01-23 10:15 pm | 0.7 | 42.08 | 0.55 | 0.30 | 92.90 | 11.70 | - | 9 | 7.00 | - |
| 2026-01-23 10:00 pm | 0.7 | 42.08 | 0.55 | 0.30 | 92.90 | 11.70 | - | 10 | 7.00 | - |
| 2026-01-23 09:45 pm | 0.7 | 42.26 | 0.56 | 0.30 | 93.00 | 11.70 | - | 21 | 7.00 | - |
| 2026-01-23 09:30 pm | 0.7 | 42.26 | 0.56 | 0.30 | 92.80 | 11.60 | - | 12 | 7.10 | - |
| 2026-01-23 09:15 pm | 0.7 | 42.44 | 0.59 | 0.30 | 92.90 | 11.60 | - | 15 | 7.10 | - |
| 2026-01-23 09:00 pm | 0.7 | 42.62 | 0.73 | 0.40 | 92.80 | 11.60 | - | 12 | 7.10 | - |
| 2026-01-23 08:45 pm | 0.7 | 42.62 | 1.35 | 0.70 | 92.70 | 11.50 | - | 12 | 7.00 | - |
| 2026-01-23 08:30 pm | 1.0 | 42.80 | 2.17 | 1.10 | 92.60 | 11.40 | - | 12 | 7.00 | - |
| 2026-01-23 08:15 pm | 1.0 | 42.98 | 3.07 | 1.60 | 92.50 | 11.40 | - | 13 | 7.00 | - |
| 2026-01-23 08:00 pm | 1.3 | 43.16 | 3.94 | 2.10 | 92.50 | 11.30 | - | 12 | 7.00 | - |
| 2026-01-23 07:45 pm | 1.6 | 43.34 | 5.18 | 2.80 | 92.40 | 11.20 | - | 11 | 7.00 | - |
| 2026-01-23 07:30 pm | 1.6 | 43.70 | 6.65 | 3.60 | 92.70 | 11.10 | - | 10 | 7.10 | - |
| 2026-01-23 07:15 pm | 2.0 | 44.06 | 9.30 | 5.20 | 93.40 | 11.00 | - | 10 | 7.20 | - |
| 2026-01-23 07:00 pm | 2.3 | 44.60 | 12.73 | 7.30 | 94.10 | 10.90 | - | 4 | 7.30 | - |
| 2026-01-23 06:45 pm | 2.6 | 46.22 | 24.34 | 14.70 | 95.90 | 10.40 | - | 3 | 7.60 | - |
| 2026-01-23 06:30 pm | 3.0 | 46.76 | 28.40 | 17.40 | 96.50 | 10.20 | - | 3 | 7.70 | - |
| 2026-01-23 06:15 pm | 3.3 | 47.12 | 30.88 | 19.10 | 98.00 | 10.20 | - | 2 | 7.80 | - |
| 2026-01-23 06:00 pm | 3.6 | 47.66 | 33.51 | 20.90 | 99.30 | 10.10 | - | 3 | 7.80 | - |
| 2026-01-23 05:45 pm | 3.9 | 47.66 | 33.88 | 21.10 | 100.00 | 10.20 | - | 2 | 7.80 | - |
| 2026-01-23 05:30 pm | 4.3 | 47.84 | 34.30 | 21.40 | 100.30 | 10.20 | - | 2 | 7.80 | - |
| 2026-01-23 05:15 pm | 4.6 | 47.84 | 34.73 | 21.70 | 100.90 | 10.20 | - | 2 | 7.80 | - |
| 2026-01-23 05:00 pm | 4.9 | 48.02 | 35.00 | 21.90 | 101.40 | 10.20 | - | 2 | 7.80 | - |
| 2026-01-23 04:45 pm | 5.2 | 48.02 | 35.18 | 22.00 | 101.40 | 10.20 | - | 2 | 7.90 | - |
| 2026-01-23 04:30 pm | 5.2 | 48.02 | 35.37 | 22.20 | 101.40 | 10.20 | - | 2 | 7.90 | - |
| 2026-01-23 04:15 pm | 5.6 | 48.02 | 35.45 | 22.20 | 101.00 | 10.10 | - | 2 | 7.90 | - |
| 2026-01-23 04:00 pm | 5.6 | 48.02 | 35.40 | 22.20 | 101.30 | 10.20 | - | 2 | 7.90 | - |
| 2026-01-23 03:45 pm | 5.9 | 48.02 | 35.38 | 22.20 | 101.30 | 10.20 | - | 2 | 7.90 | - |
| 2026-01-23 03:30 pm | 5.9 | 48.02 | 35.36 | 22.20 | 101.70 | 10.20 | - | 3 | 7.90 | - |
| 2026-01-23 03:15 pm | 6.2 | 48.02 | 35.33 | 22.10 | 101.20 | 10.20 | - | 2 | 7.90 | - |
| 2026-01-23 03:00 pm | 6.2 | 48.02 | 35.28 | 22.10 | 101.80 | 10.20 | - | 3 | 7.90 | - |
| 2026-01-23 02:45 pm | 6.2 | 47.84 | 34.66 | 21.70 | 101.00 | 10.20 | - | 2 | 7.80 | - |
| 2026-01-23 02:30 pm | 5.9 | 47.66 | 34.20 | 21.40 | 100.10 | 10.20 | - | 2 | 7.80 | - |
| 2026-01-23 02:15 pm | 5.9 | 47.48 | 33.00 | 20.50 | 99.40 | 10.20 | - | 2 | 7.80 | - |
| 2026-01-23 02:00 pm | 5.6 | 47.12 | 32.42 | 20.10 | 98.00 | 10.10 | - | 2 | 7.80 | - |
| 2026-01-23 01:45 pm | 5.6 | 46.94 | 31.45 | 19.50 | 97.20 | 10.10 | - | 3 | 7.70 | - |
| 2026-01-23 01:30 pm | 5.2 | 46.58 | 29.29 | 18.00 | 95.90 | 10.10 | - | 3 | 7.70 | - |
| 2026-01-23 01:15 pm | 4.9 | 46.04 | 27.14 | 16.60 | 94.40 | 10.10 | - | 4 | 7.60 | - |
| 2026-01-23 01:00 pm | 4.6 | 45.86 | 25.44 | 15.40 | 93.70 | 10.10 | - | 3 | 7.60 | - |
| 2026-01-23 12:45 pm | 4.3 | 45.68 | 23.98 | 14.50 | 93.10 | 10.10 | - | 3 | 7.50 | - |
| 2026-01-23 12:30 pm | 3.9 | 45.32 | 22.45 | 13.50 | 92.50 | 10.20 | - | 3 | 7.40 | - |
| 2026-01-23 12:15 pm | 3.6 | 44.96 | 21.79 | 13.00 | 92.00 | 10.20 | - | 3 | 7.40 | - |
| 2026-01-23 12:00 pm | 3.6 | 44.60 | 20.23 | 12.00 | 91.70 | 10.30 | - | 4 | 7.40 | - |
| 2026-01-23 11:45 am | 3.3 | 44.24 | 19.28 | 11.40 | 91.20 | 10.30 | - | 3 | 7.30 | - |
| 2026-01-23 11:30 am | 3.0 | 43.88 | 17.29 | 10.10 | 91.00 | 10.40 | - | 3 | 7.20 | - |
| 2026-01-23 11:15 am | 2.6 | 43.34 | 11.65 | 6.60 | 91.00 | 10.80 | - | 4 | 7.00 | - |
| 2026-01-23 11:00 am | 2.6 | 43.34 | 7.72 | 4.30 | 92.20 | 11.10 | - | 4 | 7.00 | - |
| 2026-01-23 10:45 am | 2.3 | 42.80 | 6.56 | 3.60 | 91.70 | 11.10 | - | 4 | 7.00 | - |
| 2026-01-23 10:30 am | 2.0 | 42.80 | 5.80 | 3.10 | 91.00 | 11.10 | - | 12 | 7.00 | - |
| 2026-01-23 10:15 am | 2.0 | 42.62 | 5.72 | 3.10 | 91.60 | 11.20 | - | 10 | 7.00 | - |
| 2026-01-23 10:00 am | 2.0 | 42.44 | 5.26 | 2.80 | 91.20 | 11.20 | - | 5 | 7.00 | - |
| 2026-01-23 09:45 am | 1.6 | 42.08 | 4.55 | 2.40 | 91.20 | 11.30 | - | 6 | 7.00 | - |
| 2026-01-23 09:30 am | 1.3 | 42.08 | 4.88 | 2.60 | 90.50 | 11.20 | - | 5 | 7.00 | - |
| 2026-01-23 09:15 am | 1.3 | 42.08 | 5.28 | 2.80 | 90.70 | 11.20 | - | 7 | 7.00 | - |
| 2026-01-23 09:00 am | 1.3 | 42.08 | 6.12 | 3.30 | 90.40 | 11.10 | - | 9 | 7.00 | - |
| 2026-01-23 08:45 am | 1.6 | 42.08 | 7.31 | 4.00 | 90.00 | 11.00 | - | 8 | 7.10 | - |
| 2026-01-23 08:30 am | 1.6 | 42.26 | 8.12 | 4.50 | 89.70 | 10.90 | - | 7 | 7.10 | - |
| 2026-01-23 08:15 am | 2.0 | 42.62 | 10.45 | 5.90 | 89.50 | 10.80 | - | 10 | 7.20 | - |
| 2026-01-23 08:00 am | 2.3 | 42.80 | 13.45 | 7.70 | 89.50 | 10.60 | - | 4 | 7.30 | - |
| 2026-01-23 07:45 am | 2.6 | 44.24 | 25.73 | 15.60 | 90.20 | 9.90 | - | 3 | 7.60 | - |
| 2026-01-23 07:30 am | 3.0 | 44.42 | 27.47 | 16.70 | 90.30 | 9.80 | - | 3 | 7.60 | - |
| 2026-01-23 07:15 am | 3.3 | 44.78 | 30.85 | 19.00 | 90.90 | 9.70 | - | 3 | 7.70 | - |
| 2026-01-23 07:00 am | 3.6 | 45.68 | 35.10 | 21.90 | 91.50 | 9.50 | - | 3 | 7.80 | - |
| 2026-01-23 06:45 am | 3.9 | 45.68 | 35.16 | 21.90 | 91.90 | 9.50 | - | 3 | 7.80 | - |
| 2026-01-23 06:30 am | 4.3 | 46.22 | 37.74 | 23.70 | 90.20 | 9.20 | - | 4 | 7.80 | - |
| 2026-01-23 06:15 am | 4.6 | 45.86 | 36.54 | 22.90 | 92.00 | 9.50 | - | 3 | 7.80 | - |
| 2026-01-23 06:00 am | 4.6 | 45.86 | 36.59 | 22.90 | 92.10 | 9.50 | - | 3 | 7.80 | - |
| 2026-01-23 05:45 am | 4.9 | 46.04 | 37.28 | 23.40 | 91.30 | 9.30 | - | 3 | 7.80 | - |
| 2026-01-23 05:30 am | 5.2 | 46.22 | 37.52 | 23.60 | 91.60 | 9.30 | - | 3 | 7.80 | - |
| 2026-01-23 05:15 am | 5.6 | 46.04 | 37.47 | 23.60 | 91.70 | 9.40 | - | 3 | 7.80 | - |
| 2026-01-23 05:00 am | 5.9 | 46.04 | 37.24 | 23.40 | 92.80 | 9.50 | - | 3 | 7.80 | - |
| 2026-01-23 04:45 am | 5.9 | 46.22 | 37.69 | 23.70 | 92.70 | 9.40 | - | 4 | 7.80 | - |
| 2026-01-23 04:30 am | 6.2 | 46.22 | 37.88 | 23.80 | 92.60 | 9.40 | - | 4 | 7.80 | - |
| 2026-01-23 04:15 am | 6.6 | 46.22 | 38.06 | 24.00 | 93.30 | 9.50 | - | 3 | 7.80 | - |
| 2026-01-23 04:00 am | 6.6 | 46.40 | 38.25 | 24.10 | 93.40 | 9.50 | - | 3 | 7.80 | - |
Historical data for station CHQO3 are available at the NERRS website.
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