View the latest observations near Central Pacific Hurricane Lowell, East Pacific Hurricane Karina and East Pacific Hurricane Marie.
Station NPQC1 - South Bay, Tijuana River Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
Water Quality Station
32.601 N 117.116 W (32°36'4" N 117°6'57" W)
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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): | 3.6 ft |
 Ocean Temperature (OTMP): | 77.72 °F |
| Conductivity (COND): | 55.88 mS/cm |
| Salinity (SAL): | 37.10 psu |
| Oxygen Saturation (O2PCT): | 84.1% |
| Oxygen Concentration (O2PPM): | 5.60 ppm |
| Turbidity (TURB): | 2 FTU |
| pH (PH): | 8.00 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-03 02:00 am | 3.3 | 77.72 | 55.85 | 37.10 | 84.90 | 5.70 | - | 2 | 8.00 | - |
| 2026-09-03 01:45 am | 3.3 | 78.08 | 55.90 | 37.10 | 85.50 | 5.70 | - | 3 | 8.00 | - |
| 2026-09-03 01:30 am | 3.3 | 78.80 | 56.14 | 37.30 | 84.90 | 5.60 | - | 2 | 8.00 | - |
| 2026-09-03 01:15 am | 3.3 | 78.62 | 56.08 | 37.20 | 90.30 | 6.00 | - | 4 | 8.00 | - |
| 2026-09-03 01:00 am | 3.0 | 79.16 | 56.11 | 37.20 | 92.80 | 6.10 | - | 4 | 8.00 | - |
| 2026-09-03 12:45 am | 3.0 | 79.34 | 56.29 | 37.40 | 79.10 | 5.20 | - | 3 | 8.00 | - |
| 2026-09-03 12:30 am | 3.0 | 79.34 | 56.19 | 37.30 | 97.60 | 6.40 | - | 3 | 8.00 | - |
| 2026-09-03 12:15 am | 2.6 | 79.34 | 56.42 | 37.50 | 85.70 | 5.60 | - | 3 | 8.00 | - |
| 2026-09-03 12:00 am | 2.6 | 79.70 | 56.21 | 37.30 | 88.60 | 5.80 | - | 3 | 8.00 | - |
| 2026-09-02 11:45 pm | 2.6 | 79.70 | 56.52 | 37.50 | 94.40 | 6.10 | - | 3 | 8.00 | - |
| 2026-09-02 11:30 pm | 2.6 | 79.88 | 56.67 | 37.70 | 99.60 | 6.50 | - | 4 | 8.00 | - |
| 2026-09-02 11:15 pm | 2.3 | 79.88 | 56.30 | 37.40 | 102.10 | 6.60 | - | 4 | 8.10 | - |
| 2026-09-02 11:00 pm | 2.3 | 80.06 | 56.63 | 37.60 | 104.00 | 6.80 | - | 10 | 8.10 | - |
| 2026-09-02 10:45 pm | 2.3 | 80.24 | 57.13 | 38.00 | 85.80 | 5.50 | - | 4 | 8.00 | - |
| 2026-09-02 10:30 pm | 2.0 | 80.24 | 56.88 | 37.80 | 104.60 | 6.80 | - | 4 | 8.10 | - |
| 2026-09-02 10:15 pm | 2.0 | 80.24 | 56.87 | 37.80 | 108.70 | 7.00 | - | 6 | 8.10 | - |
| 2026-09-02 10:00 pm | 2.0 | 80.24 | 56.87 | 37.80 | 109.70 | 7.10 | - | 6 | 8.10 | - |
| 2026-09-02 09:45 pm | 1.6 | 79.52 | 57.26 | 38.10 | 99.60 | 6.50 | - | 4 | 8.10 | - |
| 2026-09-02 09:30 pm | 1.6 | 80.06 | 57.19 | 38.00 | 110.80 | 7.20 | - | 6 | 8.10 | - |
| 2026-09-02 09:15 pm | 1.3 | 80.60 | 57.67 | 38.40 | 111.00 | 7.10 | - | 5 | 8.10 | - |
| 2026-09-02 09:00 pm | 1.3 | 80.60 | 57.66 | 38.40 | 110.30 | 7.10 | - | 4 | 8.10 | - |
| 2026-09-02 08:45 pm | 1.3 | 80.78 | 57.57 | 38.30 | 112.90 | 7.30 | - | 4 | 8.10 | - |
| 2026-09-02 08:30 pm | 1.3 | 81.14 | 57.85 | 38.50 | 116.10 | 7.40 | - | 5 | 8.10 | - |
| 2026-09-02 08:15 pm | 1.0 | 81.32 | 57.88 | 38.50 | 114.60 | 7.30 | - | 4 | 8.10 | - |
| 2026-09-02 08:00 pm | 1.3 | 81.32 | 57.83 | 38.50 | 118.50 | 7.60 | - | 5 | 8.10 | - |
| 2026-09-02 07:45 pm | 1.3 | 81.32 | 57.67 | 38.40 | 118.40 | 7.60 | - | 5 | 8.10 | - |
| 2026-09-02 07:30 pm | 1.6 | 81.50 | 57.65 | 38.40 | 117.20 | 7.50 | - | 3 | 8.10 | - |
| 2026-09-02 07:15 pm | 1.6 | 81.68 | 57.60 | 38.30 | 122.70 | 7.80 | - | 4 | 8.10 | - |
| 2026-09-02 07:00 pm | 1.6 | 81.68 | 57.42 | 38.20 | 126.00 | 8.00 | - | 5 | 8.10 | - |
| 2026-09-02 06:45 pm | 2.0 | 81.68 | 57.17 | 38.00 | 126.90 | 8.10 | - | 5 | 8.10 | - |
| 2026-09-02 06:30 pm | 2.0 | 81.68 | 57.01 | 37.90 | 126.60 | 8.10 | - | 4 | 8.10 | - |
| 2026-09-02 06:15 pm | 2.3 | 81.68 | 56.86 | 37.80 | 129.70 | 8.30 | - | 5 | 8.10 | - |
| 2026-09-02 06:00 pm | 2.3 | 81.68 | 56.61 | 37.60 | 131.10 | 8.40 | - | 5 | 8.10 | - |
| 2026-09-02 05:45 pm | 2.6 | 81.50 | 56.26 | 37.30 | 128.80 | 8.30 | - | 4 | 8.10 | - |
| 2026-09-02 05:30 pm | 3.0 | 81.50 | 56.13 | 37.20 | 129.60 | 8.30 | - | 5 | 8.10 | - |
| 2026-09-02 05:15 pm | 3.0 | 81.50 | 55.97 | 37.10 | 129.50 | 8.30 | - | 4 | 8.10 | - |
| 2026-09-02 05:00 pm | 3.3 | 81.32 | 55.83 | 37.00 | 128.80 | 8.30 | - | 5 | 8.10 | - |
| 2026-09-02 04:45 pm | 3.6 | 81.32 | 55.67 | 36.90 | 123.20 | 7.90 | - | 3 | 8.10 | - |
| 2026-09-02 04:30 pm | 3.6 | 81.32 | 55.56 | 36.80 | 122.60 | 7.90 | - | 4 | 8.10 | - |
| 2026-09-02 04:15 pm | 3.9 | 81.14 | 55.45 | 36.70 | 116.70 | 7.50 | - | 4 | 8.00 | - |
| 2026-09-02 04:00 pm | 4.3 | 81.14 | 55.37 | 36.70 | 113.00 | 7.30 | - | 4 | 8.00 | - |
| 2026-09-02 03:45 pm | 4.6 | 81.14 | 55.31 | 36.60 | 108.50 | 7.00 | - | 3 | 8.00 | - |
| 2026-09-02 03:30 pm | 4.9 | 80.78 | 55.30 | 36.60 | 95.10 | 6.20 | - | 2 | 8.00 | - |
| 2026-09-02 03:15 pm | 4.9 | 80.78 | 55.30 | 36.60 | 99.10 | 6.40 | - | 3 | 8.00 | - |
| 2026-09-02 03:00 pm | 5.2 | 80.24 | 55.33 | 36.60 | 89.50 | 5.80 | - | 3 | 8.00 | - |
| 2026-09-02 02:45 pm | 5.2 | 79.52 | 55.78 | 37.00 | 69.60 | 4.60 | - | 3 | 7.90 | - |
| 2026-09-02 02:30 pm | 5.6 | 79.70 | 55.59 | 36.80 | 75.30 | 4.90 | - | 2 | 7.90 | - |
| 2026-09-02 02:15 pm | 5.6 | 79.52 | 55.63 | 36.90 | 76.90 | 5.00 | - | 3 | 7.90 | - |
| 2026-09-02 02:00 pm | 5.9 | 78.98 | 55.85 | 37.10 | 63.30 | 4.20 | - | 3 | 7.90 | - |
| 2026-09-02 01:45 pm | 5.9 | 78.80 | 55.90 | 37.10 | 59.90 | 3.90 | - | 2 | 7.90 | - |
| 2026-09-02 01:30 pm | 5.9 | 78.80 | 55.91 | 37.10 | 64.50 | 4.30 | - | 2 | 7.90 | - |
| 2026-09-02 01:15 pm | 6.2 | 78.62 | 55.80 | 37.00 | 69.30 | 4.60 | - | 3 | 7.90 | - |
| 2026-09-02 01:00 pm | 6.2 | 78.44 | 56.01 | 37.20 | 48.50 | 3.20 | - | 3 | 7.80 | - |
| 2026-09-02 12:45 pm | 6.2 | 78.44 | 56.06 | 37.20 | 54.20 | 3.60 | - | 3 | 7.90 | - |
| 2026-09-02 12:30 pm | 6.2 | 78.26 | 55.94 | 37.10 | 47.90 | 3.20 | - | 3 | 7.80 | - |
| 2026-09-02 12:15 pm | 5.9 | 78.26 | 56.06 | 37.20 | 39.40 | 2.60 | - | 3 | 7.80 | - |
| 2026-09-02 12:00 pm | 5.9 | 78.08 | 56.06 | 37.20 | 50.10 | 3.30 | - | 3 | 7.90 | - |
| 2026-09-02 11:45 am | 5.9 | 78.08 | 56.08 | 37.20 | 53.00 | 3.50 | - | 3 | 7.90 | - |
| 2026-09-02 11:30 am | 5.9 | 78.08 | 56.05 | 37.20 | 56.10 | 3.70 | - | 3 | 7.90 | - |
| 2026-09-02 11:15 am | 5.6 | 77.90 | 56.11 | 37.30 | 55.30 | 3.70 | - | 3 | 7.90 | - |
| 2026-09-02 11:00 am | 5.2 | 77.90 | 56.07 | 37.20 | 62.90 | 4.20 | - | 4 | 7.90 | - |
| 2026-09-02 10:45 am | 5.2 | 77.90 | 56.01 | 37.20 | 68.90 | 4.60 | - | 4 | 7.90 | - |
| 2026-09-02 10:30 am | 4.9 | 77.72 | 56.05 | 37.20 | 67.80 | 4.50 | - | 4 | 7.90 | - |
| 2026-09-02 10:15 am | 4.9 | 77.54 | 55.93 | 37.10 | 68.70 | 4.60 | - | 4 | 7.90 | - |
| 2026-09-02 10:00 am | 4.6 | 77.54 | 56.19 | 37.30 | 42.50 | 2.80 | - | 3 | 7.90 | - |
| 2026-09-02 09:45 am | 4.3 | 77.36 | 56.18 | 37.30 | 53.10 | 3.50 | - | 3 | 7.90 | - |
| 2026-09-02 09:30 am | 4.3 | 77.36 | 56.17 | 37.30 | 48.80 | 3.30 | - | 3 | 7.90 | - |
| 2026-09-02 09:15 am | 3.9 | 77.36 | 56.19 | 37.30 | 62.50 | 4.20 | - | 3 | 7.90 | - |
| 2026-09-02 09:00 am | 3.6 | 77.36 | 56.19 | 37.30 | 59.60 | 4.00 | - | 2 | 7.90 | - |
| 2026-09-02 08:45 am | 3.6 | 77.18 | 56.18 | 37.30 | 65.80 | 4.40 | - | 3 | 7.90 | - |
| 2026-09-02 08:30 am | 3.3 | 77.18 | 55.97 | 37.20 | 73.70 | 4.90 | - | 3 | 8.00 | - |
| 2026-09-02 08:15 am | 3.0 | 77.18 | 56.27 | 37.40 | 69.70 | 4.70 | - | 6 | 7.90 | - |
| 2026-09-02 08:00 am | 3.0 | 77.00 | 56.24 | 37.40 | 57.90 | 3.90 | - | 2 | 7.90 | - |
| 2026-09-02 07:45 am | 3.0 | 77.00 | 56.21 | 37.40 | 67.50 | 4.50 | - | 3 | 7.90 | - |
| 2026-09-02 07:30 am | 2.6 | 77.18 | 56.44 | 37.50 | 67.90 | 4.50 | - | 4 | 7.90 | - |
| 2026-09-02 07:15 am | 2.3 | 76.82 | 56.32 | 37.40 | 63.40 | 4.20 | - | 4 | 7.90 | - |
| 2026-09-02 07:00 am | 2.3 | 77.54 | 56.48 | 37.50 | 57.80 | 3.80 | - | 3 | 7.90 | - |
| 2026-09-02 06:45 am | 2.3 | 77.54 | 56.49 | 37.60 | 67.40 | 4.50 | - | 4 | 7.90 | - |
| 2026-09-02 06:30 am | 2.3 | 77.72 | 56.51 | 37.60 | 58.70 | 3.90 | - | 3 | 7.90 | - |
| 2026-09-02 06:15 am | 2.3 | 77.90 | 56.50 | 37.60 | 59.70 | 4.00 | - | 3 | 7.90 | - |
| 2026-09-02 06:00 am | 2.3 | 77.90 | 56.50 | 37.60 | 60.10 | 4.00 | - | 2 | 7.90 | - |
| 2026-09-02 05:45 am | 2.3 | 77.90 | 56.51 | 37.60 | 68.30 | 4.50 | - | 3 | 7.90 | - |
| 2026-09-02 05:30 am | 2.3 | 78.08 | 56.51 | 37.60 | 65.40 | 4.30 | - | 3 | 7.90 | - |
| 2026-09-02 05:15 am | 2.3 | 78.08 | 56.45 | 37.50 | 70.40 | 4.70 | - | 3 | 8.00 | - |
| 2026-09-02 05:00 am | 2.6 | 78.08 | 56.43 | 37.50 | 59.30 | 3.90 | - | 2 | 7.90 | - |
| 2026-09-02 04:45 am | 2.6 | 78.08 | 56.42 | 37.50 | 66.50 | 4.40 | - | 2 | 7.90 | - |
| 2026-09-02 04:30 am | 2.6 | 78.08 | 56.37 | 37.50 | 72.30 | 4.80 | - | 4 | 8.00 | - |
| 2026-09-02 04:15 am | 2.6 | 78.26 | 56.24 | 37.40 | 74.50 | 4.90 | - | 4 | 8.00 | - |
| 2026-09-02 04:00 am | 3.0 | 78.26 | 56.09 | 37.20 | 76.80 | 5.10 | - | 4 | 8.00 | - |
| 2026-09-02 03:45 am | 3.0 | 78.26 | 56.00 | 37.20 | 69.00 | 4.60 | - | 3 | 7.90 | - |
| 2026-09-02 03:30 am | 3.0 | 78.44 | 55.95 | 37.10 | 75.80 | 5.00 | - | 4 | 8.00 | - |
| 2026-09-02 03:15 am | 3.3 | 78.80 | 55.94 | 37.10 | 81.50 | 5.40 | - | 4 | 8.00 | - |
| 2026-09-02 03:00 am | 3.6 | 78.98 | 55.87 | 37.10 | 80.50 | 5.30 | - | 4 | 8.00 | - |
Historical data for station NPQC1 are available at the NERRS website.
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