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): | 2.0 ft |
 Ocean Temperature (OTMP): | 46.04 °F |
| Conductivity (COND): | 16.41 mS/cm |
| Salinity (SAL): | 9.60 psu |
| Oxygen Saturation (O2PCT): | 87.3% |
| Oxygen Concentration (O2PPM): | 9.70 ppm |
| Turbidity (TURB): | 8 FTU |
| pH (PH): | 7.30 |
| TIME (PST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-06 08:00 am | 2.3 | 47.48 | 27.51 | 16.80 | 87.30 | 9.10 | - | 4 | 7.50 | - |
| 2026-02-06 07:45 am | 2.6 | 47.84 | 30.40 | 18.80 | 87.50 | 9.00 | - | 4 | 7.60 | - |
| 2026-02-06 07:30 am | 3.0 | 48.74 | 35.59 | 22.30 | 87.70 | 8.70 | - | 3 | 7.60 | - |
| 2026-02-06 07:15 am | 3.6 | 49.10 | 36.98 | 23.30 | 88.20 | 8.70 | - | 3 | 7.70 | - |
| 2026-02-06 07:00 am | 3.6 | 49.82 | 40.42 | 25.70 | 89.60 | 8.60 | - | 3 | 7.70 | - |
| 2026-02-06 06:45 am | 3.9 | 49.82 | 40.71 | 25.90 | 89.50 | 8.60 | - | 3 | 7.70 | - |
| 2026-02-06 06:30 am | 4.6 | 49.64 | 39.92 | 25.40 | 89.10 | 8.60 | - | 3 | 7.70 | - |
| 2026-02-06 06:15 am | 4.6 | 50.36 | 42.67 | 27.30 | 89.40 | 8.40 | - | 4 | 7.80 | - |
| 2026-02-06 06:00 am | 4.9 | 50.00 | 41.33 | 26.40 | 89.80 | 8.60 | - | 4 | 7.80 | - |
| 2026-02-06 05:45 am | 5.2 | 50.18 | 41.63 | 26.60 | 90.90 | 8.60 | - | 3 | 7.80 | - |
| 2026-02-06 05:30 am | 5.6 | 50.18 | 41.62 | 26.60 | 91.10 | 8.70 | - | 3 | 7.80 | - |
| 2026-02-06 05:15 am | 5.9 | 50.54 | 42.96 | 27.50 | 91.00 | 8.60 | - | 3 | 7.80 | - |
| 2026-02-06 05:00 am | 6.2 | 50.54 | 42.69 | 27.30 | 92.10 | 8.70 | - | 4 | 7.80 | - |
| 2026-02-06 04:45 am | 6.2 | 50.72 | 43.19 | 27.70 | 92.40 | 8.70 | - | 5 | 7.80 | - |
| 2026-02-06 04:30 am | 6.6 | 50.90 | 43.55 | 28.00 | 93.10 | 8.70 | - | 4 | 7.80 | - |
| 2026-02-06 04:15 am | 6.9 | 50.90 | 43.80 | 28.10 | 93.30 | 8.70 | - | 4 | 7.80 | - |
| 2026-02-06 04:00 am | 7.2 | 51.08 | 44.07 | 28.30 | 93.50 | 8.70 | - | 3 | 7.80 | - |
| 2026-02-06 03:45 am | 7.2 | 51.08 | 44.17 | 28.40 | 93.90 | 8.70 | - | 3 | 7.80 | - |
| 2026-02-06 03:30 am | 7.5 | 51.08 | 44.27 | 28.50 | 94.00 | 8.70 | - | 4 | 7.80 | - |
| 2026-02-06 03:15 am | 7.5 | 51.08 | 44.33 | 28.50 | 94.00 | 8.70 | - | 3 | 7.80 | - |
| 2026-02-06 03:00 am | 7.5 | 51.08 | 44.22 | 28.40 | 94.30 | 8.80 | - | 4 | 7.80 | - |
| 2026-02-06 02:45 am | 7.5 | 51.08 | 44.06 | 28.30 | 94.30 | 8.80 | - | 4 | 7.80 | - |
| 2026-02-06 02:30 am | 7.2 | 50.72 | 43.23 | 27.70 | 93.70 | 8.80 | - | 4 | 7.80 | - |
| 2026-02-06 02:15 am | 7.2 | 50.72 | 42.75 | 27.40 | 93.60 | 8.80 | - | 5 | 7.80 | - |
| 2026-02-06 02:00 am | 6.9 | 50.36 | 41.70 | 26.60 | 93.10 | 8.80 | - | 5 | 7.80 | - |
| 2026-02-06 01:45 am | 6.6 | 50.18 | 40.99 | 26.10 | 92.70 | 8.80 | - | 5 | 7.80 | - |
| 2026-02-06 01:30 am | 6.2 | 50.18 | 40.06 | 25.50 | 92.80 | 8.90 | - | 6 | 7.80 | - |
| 2026-02-06 01:15 am | 5.6 | 50.18 | 38.90 | 24.70 | 92.90 | 8.90 | - | 6 | 7.70 | - |
| 2026-02-06 01:00 am | 5.2 | 49.82 | 36.90 | 23.30 | 92.30 | 9.00 | - | 6 | 7.70 | - |
| 2026-02-06 12:45 am | 4.6 | 49.10 | 32.70 | 20.40 | 91.40 | 9.20 | - | 6 | 7.60 | - |
| 2026-02-06 12:30 am | 4.3 | 48.56 | 29.27 | 18.00 | 90.70 | 9.30 | - | 6 | 7.50 | - |
| 2026-02-06 12:15 am | 3.9 | 48.38 | 27.16 | 16.60 | 90.30 | 9.40 | - | 7 | 7.50 | - |
| 2026-02-06 12:00 am | 3.6 | 47.84 | 25.03 | 15.20 | 90.00 | 9.50 | - | 7 | 7.40 | - |
| 2026-02-05 11:45 pm | 3.0 | 47.30 | 20.90 | 12.50 | 90.00 | 9.70 | - | 8 | 7.30 | - |
| 2026-02-05 11:30 pm | 2.6 | 46.40 | 15.17 | 8.80 | 90.40 | 10.10 | - | 7 | 7.10 | - |
| 2026-02-05 11:15 pm | 2.3 | 46.04 | 12.56 | 7.20 | 90.40 | 10.30 | - | 5 | 7.10 | - |
| 2026-02-05 11:00 pm | 2.0 | 45.68 | 8.98 | 5.00 | 91.10 | 10.60 | - | 6 | 7.00 | - |
| 2026-02-05 10:45 pm | 1.6 | 45.32 | 6.76 | 3.70 | 91.20 | 10.70 | - | 5 | 7.00 | - |
| 2026-02-05 10:30 pm | 1.3 | 45.14 | 5.78 | 3.10 | 91.20 | 10.80 | - | 6 | 7.00 | - |
| 2026-02-05 10:15 pm | 1.0 | 45.32 | 4.72 | 2.50 | 89.70 | 10.60 | - | 6 | 6.90 | - |
| 2026-02-05 10:00 pm | 1.0 | 45.14 | 4.64 | 2.50 | 90.20 | 10.70 | - | 7 | 6.90 | - |
| 2026-02-05 09:45 pm | 0.7 | 45.32 | 4.96 | 2.70 | 90.40 | 10.70 | - | 8 | 7.00 | - |
| 2026-02-05 09:30 pm | 0.7 | 45.32 | 5.22 | 2.80 | 91.50 | 10.80 | - | 41 | 7.00 | - |
| 2026-02-05 09:15 pm | 0.3 | 45.50 | 5.64 | 3.10 | 92.00 | 10.80 | - | 8 | 7.00 | - |
| 2026-02-05 09:00 pm | 0.3 | 45.50 | 6.23 | 3.40 | 92.00 | 10.80 | - | 9 | 7.00 | - |
| 2026-02-05 08:45 pm | 0.7 | 45.68 | 7.13 | 3.90 | 92.10 | 10.70 | - | 11 | 7.00 | - |
| 2026-02-05 08:30 pm | 0.7 | 45.86 | 7.70 | 4.30 | 92.20 | 10.70 | - | 11 | 7.00 | - |
| 2026-02-05 08:15 pm | 0.7 | 46.22 | 8.93 | 5.00 | 92.10 | 10.60 | - | 13 | 7.00 | - |
| 2026-02-05 08:00 pm | 1.0 | 46.40 | 10.66 | 6.00 | 92.00 | 10.50 | - | 12 | 7.10 | - |
| 2026-02-05 07:45 pm | 1.3 | 46.76 | 12.29 | 7.00 | 92.00 | 10.40 | - | 9 | 7.10 | - |
| 2026-02-05 07:30 pm | 1.6 | 46.76 | 13.05 | 7.50 | 92.20 | 10.30 | - | 9 | 7.10 | - |
| 2026-02-05 07:15 pm | 1.6 | 47.12 | 14.51 | 8.40 | 92.70 | 10.30 | - | 13 | 7.20 | - |
| 2026-02-05 07:00 pm | 2.0 | 48.20 | 21.02 | 12.60 | 93.00 | 9.90 | - | 5 | 7.30 | - |
| 2026-02-05 06:45 pm | 2.6 | 49.46 | 29.40 | 18.10 | 93.00 | 9.40 | - | 3 | 7.50 | - |
| 2026-02-05 06:30 pm | 3.0 | 50.18 | 33.41 | 20.90 | 93.40 | 9.20 | - | 3 | 7.60 | - |
| 2026-02-05 06:15 pm | 3.3 | 50.72 | 36.51 | 23.00 | 93.80 | 9.10 | - | 3 | 7.70 | - |
| 2026-02-05 06:00 pm | 3.6 | 51.26 | 39.61 | 25.20 | 93.60 | 8.90 | - | 3 | 7.70 | - |
| 2026-02-05 05:45 pm | 3.9 | 51.26 | 39.63 | 25.20 | 94.10 | 8.90 | - | 3 | 7.70 | - |
| 2026-02-05 05:30 pm | 4.3 | 51.44 | 39.95 | 25.40 | 93.60 | 8.80 | - | 3 | 7.70 | - |
| 2026-02-05 05:15 pm | 4.6 | 51.44 | 39.98 | 25.50 | 93.80 | 8.80 | - | 4 | 7.70 | - |
| 2026-02-05 05:00 pm | 4.6 | 51.44 | 40.29 | 25.70 | 94.00 | 8.90 | - | 3 | 7.70 | - |
| 2026-02-05 04:45 pm | 4.9 | 51.62 | 40.98 | 26.20 | 95.00 | 8.90 | - | 3 | 7.80 | - |
| 2026-02-05 04:30 pm | 5.2 | 51.62 | 41.39 | 26.50 | 94.50 | 8.80 | - | 4 | 7.80 | - |
| 2026-02-05 04:15 pm | 5.6 | 51.80 | 41.56 | 26.60 | 95.50 | 8.90 | - | 3 | 7.80 | - |
| 2026-02-05 04:00 pm | 5.9 | 51.80 | 41.68 | 26.70 | 92.90 | 8.70 | - | 4 | 7.80 | - |
| 2026-02-05 03:45 pm | 5.9 | 51.80 | 41.79 | 26.70 | 95.90 | 8.90 | - | 4 | 7.80 | - |
| 2026-02-05 03:30 pm | 6.2 | 51.80 | 41.90 | 26.80 | 96.40 | 9.00 | - | 4 | 7.80 | - |
| 2026-02-05 03:15 pm | 6.6 | 51.80 | 42.22 | 27.00 | 95.60 | 8.90 | - | 4 | 7.80 | - |
| 2026-02-05 03:00 pm | 6.9 | 51.80 | 42.41 | 27.20 | 94.30 | 8.80 | - | 4 | 7.80 | - |
| 2026-02-05 02:45 pm | 6.9 | 51.80 | 42.31 | 27.10 | 94.70 | 8.80 | - | 4 | 7.80 | - |
| 2026-02-05 02:30 pm | 6.9 | 51.80 | 42.29 | 27.10 | 93.70 | 8.70 | - | 3 | 7.80 | - |
| 2026-02-05 02:15 pm | 6.9 | 51.80 | 42.08 | 26.90 | 94.80 | 8.80 | - | 4 | 7.80 | - |
| 2026-02-05 02:00 pm | 6.9 | 51.62 | 41.71 | 26.70 | 94.50 | 8.80 | - | 5 | 7.80 | - |
| 2026-02-05 01:45 pm | 6.6 | 51.44 | 41.09 | 26.20 | 93.80 | 8.80 | - | 4 | 7.70 | - |
| 2026-02-05 01:30 pm | 6.2 | 51.44 | 40.63 | 25.90 | 93.70 | 8.80 | - | 4 | 7.70 | - |
| 2026-02-05 01:15 pm | 6.2 | 51.08 | 39.92 | 25.40 | 93.00 | 8.80 | - | 4 | 7.70 | - |
| 2026-02-05 01:00 pm | 5.9 | 50.18 | 38.75 | 24.60 | 91.90 | 8.90 | - | 4 | 7.70 | - |
| 2026-02-05 12:45 pm | 5.6 | 49.82 | 36.98 | 23.30 | 92.00 | 9.00 | - | 4 | 7.70 | - |
| 2026-02-05 12:30 pm | 5.2 | 49.64 | 34.94 | 21.90 | 91.90 | 9.10 | - | 3 | 7.60 | - |
| 2026-02-05 12:15 pm | 4.6 | 49.28 | 32.64 | 20.30 | 92.10 | 9.20 | - | 3 | 7.60 | - |
| 2026-02-05 12:00 pm | 4.3 | 48.74 | 29.77 | 18.40 | 91.70 | 9.40 | - | 5 | 7.50 | - |
| 2026-02-05 11:45 am | 3.9 | 48.38 | 27.85 | 17.10 | 91.10 | 9.40 | - | 4 | 7.50 | - |
| 2026-02-05 11:30 am | 3.6 | 48.20 | 26.65 | 16.30 | 90.60 | 9.40 | - | 3 | 7.40 | - |
| 2026-02-05 11:15 am | 3.3 | 47.84 | 25.82 | 15.70 | 90.30 | 9.50 | - | 4 | 7.40 | - |
| 2026-02-05 11:00 am | 3.0 | 47.48 | 23.90 | 14.40 | 89.90 | 9.60 | - | 4 | 7.30 | - |
| 2026-02-05 10:45 am | 2.6 | 46.94 | 19.88 | 11.80 | 89.70 | 9.80 | - | 4 | 7.20 | - |
| 2026-02-05 10:30 am | 2.3 | 46.22 | 15.02 | 8.70 | 90.20 | 10.10 | - | 4 | 7.10 | - |
| 2026-02-05 10:15 am | 2.3 | 45.86 | 14.09 | 8.10 | 90.10 | 10.20 | - | 4 | 7.10 | - |
| 2026-02-05 10:00 am | 2.0 | 45.86 | 13.56 | 7.80 | 90.30 | 10.30 | - | 4 | 7.10 | - |
| 2026-02-05 09:45 am | 1.6 | 45.50 | 12.79 | 7.30 | 89.90 | 10.30 | - | 4 | 7.10 | - |
| 2026-02-05 09:30 am | 1.6 | 45.32 | 11.10 | 6.30 | 90.20 | 10.40 | - | 5 | 7.00 | - |
| 2026-02-05 09:15 am | 1.3 | 44.78 | 9.64 | 5.40 | 88.50 | 10.30 | - | 7 | 7.00 | - |
| 2026-02-05 09:00 am | 1.0 | 44.78 | 10.11 | 5.70 | 89.50 | 10.40 | - | 6 | 7.10 | - |
Historical data for station CHQO3 are available at the NERRS website.
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