View the latest observations near East Pacific Tropical Storm Boris and East Pacific Tropical Storm Cristina.
Station FFFC1 - First Mallard, San Francisco Bay Reserve, CA
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
38.195 N 122.033 W (38°11'42" N 122°1'58" 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): | 7.5 ft |
 Ocean Temperature (OTMP): | 69.08 °F |
| Conductivity (COND): | 6.32 mS/cm |
| Salinity (SAL): | 3.50 psu |
| Oxygen Saturation (O2PCT): | 85.0% |
| Oxygen Concentration (O2PPM): | 7.50 ppm |
| Turbidity (TURB): | 24 FTU |
| pH (PH): | 7.70 |
| TIME (PDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-09 12:15 am | 7.9 | 69.26 | 6.12 | 3.30 | 84.60 | 7.40 | - | 26 | 7.70 | - |
| 2026-06-09 12:00 am | 7.9 | 69.08 | 5.49 | 3.00 | 84.80 | 7.50 | - | 30 | 7.70 | - |
| 2026-06-08 11:45 pm | 8.2 | 69.08 | 5.04 | 2.70 | 83.80 | 7.40 | - | 36 | 7.70 | - |
| 2026-06-08 11:30 pm | 8.2 | 69.08 | 5.08 | 2.70 | 83.90 | 7.40 | - | 34 | 7.70 | - |
| 2026-06-08 11:15 pm | 8.2 | 69.26 | 5.24 | 2.80 | 83.10 | 7.30 | - | 34 | 7.70 | - |
| 2026-06-08 11:00 pm | 8.2 | 69.44 | 5.49 | 3.00 | 83.90 | 7.40 | - | 41 | 7.70 | - |
| 2026-06-08 10:45 pm | 8.2 | 69.62 | 5.72 | 3.10 | 83.70 | 7.30 | - | 39 | 7.70 | - |
| 2026-06-08 10:30 pm | 8.2 | 69.44 | 5.16 | 2.80 | 81.70 | 7.20 | - | 37 | 7.60 | - |
| 2026-06-08 10:15 pm | 8.2 | 69.44 | 5.11 | 2.80 | 82.10 | 7.20 | - | 41 | 7.60 | - |
| 2026-06-08 10:00 pm | 8.2 | 69.62 | 5.20 | 2.80 | 82.80 | 7.30 | - | 49 | 7.60 | - |
| 2026-06-08 09:45 pm | 8.2 | 69.62 | 5.08 | 2.70 | 84.10 | 7.40 | - | 55 | 7.70 | - |
| 2026-06-08 09:30 pm | 8.2 | 69.80 | 5.51 | 3.00 | 84.20 | 7.40 | - | 51 | 7.70 | - |
| 2026-06-08 09:15 pm | 7.9 | 69.98 | 5.76 | 3.10 | 83.90 | 7.30 | - | 43 | 7.70 | - |
| 2026-06-08 09:00 pm | 7.9 | 70.16 | 5.96 | 3.30 | 84.90 | 7.40 | - | 52 | 7.70 | - |
| 2026-06-08 08:45 pm | 7.9 | 70.16 | 6.14 | 3.40 | 85.30 | 7.40 | - | 48 | 7.70 | - |
| 2026-06-08 08:30 pm | 7.5 | 70.34 | 6.34 | 3.50 | 86.00 | 7.50 | - | 45 | 7.70 | - |
| 2026-06-08 08:15 pm | 7.5 | 70.16 | 6.50 | 3.60 | 86.60 | 7.50 | - | 44 | 7.70 | - |
| 2026-06-08 08:00 pm | 7.2 | 70.16 | 6.55 | 3.60 | 87.10 | 7.60 | - | 39 | 7.70 | - |
| 2026-06-08 07:45 pm | 7.2 | 70.34 | 6.57 | 3.60 | 87.90 | 7.60 | - | 37 | 7.70 | - |
| 2026-06-08 07:30 pm | 7.2 | 70.16 | 6.56 | 3.60 | 87.70 | 7.60 | - | 34 | 7.70 | - |
| 2026-06-08 07:15 pm | 6.9 | 70.16 | 6.54 | 3.60 | 87.00 | 7.60 | - | 34 | 7.70 | - |
| 2026-06-08 07:00 pm | 6.6 | 69.98 | 6.54 | 3.60 | 85.60 | 7.50 | - | 33 | 7.70 | - |
| 2026-06-08 06:45 pm | 6.6 | 69.62 | 6.51 | 3.60 | 85.90 | 7.50 | - | 31 | 7.70 | - |
| 2026-06-08 06:30 pm | 6.2 | 69.26 | 6.46 | 3.50 | 85.30 | 7.50 | - | 26 | 7.70 | - |
| 2026-06-08 06:15 pm | 6.2 | 69.08 | 6.46 | 3.50 | 86.30 | 7.60 | - | 24 | 7.70 | - |
| 2026-06-08 06:00 pm | 5.9 | 69.80 | 6.63 | 3.60 | 95.60 | 8.40 | - | 29 | 7.80 | - |
| 2026-06-08 05:45 pm | 5.6 | 69.98 | 6.67 | 3.70 | 98.40 | 8.60 | - | 36 | 7.90 | - |
| 2026-06-08 05:30 pm | 5.2 | 69.98 | 6.70 | 3.70 | 99.90 | 8.70 | - | 37 | 7.90 | - |
| 2026-06-08 05:15 pm | 5.2 | 69.98 | 6.68 | 3.70 | 98.90 | 8.60 | - | 42 | 7.90 | - |
| 2026-06-08 05:00 pm | 4.9 | 69.26 | 6.49 | 3.60 | 87.80 | 7.70 | - | 33 | 7.70 | - |
| 2026-06-08 04:45 pm | 4.6 | 69.08 | 6.43 | 3.50 | 84.70 | 7.50 | - | 28 | 7.70 | - |
| 2026-06-08 04:30 pm | 4.3 | 69.08 | 6.44 | 3.50 | 85.10 | 7.50 | - | 36 | 7.70 | - |
| 2026-06-08 04:15 pm | 4.3 | 69.62 | 6.48 | 3.60 | 85.90 | 7.50 | - | 45 | 7.70 | - |
| 2026-06-08 04:00 pm | 3.9 | 69.80 | 6.50 | 3.60 | 85.90 | 7.50 | - | 47 | 7.70 | - |
| 2026-06-08 03:45 pm | 3.9 | 72.14 | 6.58 | 3.60 | 76.70 | 6.50 | - | 50 | 7.60 | - |
| 2026-06-08 03:30 pm | 3.9 | 72.14 | 6.58 | 3.60 | 80.10 | 6.80 | - | 49 | 7.60 | - |
| 2026-06-08 03:15 pm | 3.9 | 71.96 | 6.58 | 3.60 | 79.80 | 6.80 | - | 48 | 7.60 | - |
| 2026-06-08 03:00 pm | 3.9 | 71.78 | 6.58 | 3.60 | 80.40 | 6.90 | - | 46 | 7.60 | - |
| 2026-06-08 02:45 pm | 4.3 | 71.60 | 6.58 | 3.60 | 80.20 | 6.90 | - | 40 | 7.60 | - |
| 2026-06-08 02:30 pm | 4.3 | 71.24 | 6.58 | 3.60 | 80.60 | 6.90 | - | 39 | 7.60 | - |
| 2026-06-08 02:15 pm | 4.3 | 71.24 | 6.58 | 3.60 | 81.10 | 7.00 | - | 41 | 7.70 | - |
| 2026-06-08 02:00 pm | 4.6 | 70.70 | 6.59 | 3.60 | 80.50 | 7.00 | - | 42 | 7.60 | - |
| 2026-06-08 01:45 pm | 4.6 | 70.34 | 6.60 | 3.60 | 81.10 | 7.00 | - | 38 | 7.70 | - |
| 2026-06-08 01:30 pm | 4.9 | 70.16 | 6.60 | 3.60 | 81.90 | 7.10 | - | 43 | 7.70 | - |
| 2026-06-08 01:15 pm | 4.9 | 69.98 | 6.61 | 3.60 | 82.90 | 7.20 | - | 40 | 7.70 | - |
| 2026-06-08 01:00 pm | 5.2 | 69.80 | 6.62 | 3.60 | 83.60 | 7.30 | - | 35 | 7.70 | - |
| 2026-06-08 12:45 pm | 5.2 | 69.44 | 6.62 | 3.60 | 83.90 | 7.40 | - | 33 | 7.70 | - |
| 2026-06-08 12:30 pm | 5.6 | 69.44 | 6.61 | 3.60 | 83.80 | 7.40 | - | 33 | 7.70 | - |
| 2026-06-08 12:15 pm | 5.6 | 69.08 | 6.60 | 3.60 | 83.60 | 7.40 | - | 32 | 7.70 | - |
| 2026-06-08 12:00 pm | 5.9 | 68.90 | 6.60 | 3.60 | 84.00 | 7.40 | - | 29 | 7.70 | - |
| 2026-06-08 11:45 am | 5.9 | 68.90 | 6.61 | 3.60 | 85.50 | 7.50 | - | 27 | 7.70 | - |
| 2026-06-08 11:30 am | 6.2 | 68.90 | 6.62 | 3.60 | 85.20 | 7.50 | - | 26 | 7.70 | - |
| 2026-06-08 11:15 am | 6.2 | 68.72 | 6.62 | 3.60 | 84.60 | 7.50 | - | 27 | 7.70 | - |
| 2026-06-08 11:00 am | 6.6 | 68.72 | 6.62 | 3.60 | 84.80 | 7.50 | - | 26 | 7.70 | - |
| 2026-06-08 10:45 am | 6.6 | 68.54 | 6.62 | 3.60 | 85.20 | 7.50 | - | 23 | 7.70 | - |
| 2026-06-08 10:30 am | 6.9 | 68.54 | 6.61 | 3.60 | 84.20 | 7.50 | - | 25 | 7.70 | - |
| 2026-06-08 10:15 am | 6.9 | 68.36 | 6.62 | 3.60 | 84.60 | 7.50 | - | 23 | 7.70 | - |
| 2026-06-08 10:00 am | 6.9 | 68.36 | 6.61 | 3.60 | 84.30 | 7.50 | - | 22 | 7.70 | - |
| 2026-06-08 09:45 am | 7.2 | 68.36 | 6.52 | 3.60 | 83.20 | 7.40 | - | 20 | 7.70 | - |
| 2026-06-08 09:30 am | 7.2 | 68.36 | 6.42 | 3.50 | 81.90 | 7.30 | - | 21 | 7.70 | - |
| 2026-06-08 09:15 am | 7.2 | 68.18 | 6.38 | 3.50 | 81.30 | 7.20 | - | 22 | 7.60 | - |
| 2026-06-08 09:00 am | 7.2 | 68.18 | 6.39 | 3.50 | 80.00 | 7.10 | - | 26 | 7.60 | - |
| 2026-06-08 08:45 am | 7.2 | 68.18 | 6.42 | 3.50 | 79.20 | 7.00 | - | 23 | 7.60 | - |
| 2026-06-08 08:30 am | 7.2 | 68.18 | 6.44 | 3.50 | 71.70 | 6.40 | - | 20 | 7.60 | - |
| 2026-06-08 08:15 am | 7.2 | 68.18 | 6.44 | 3.50 | 76.10 | 6.80 | - | 23 | 7.60 | - |
| 2026-06-08 08:00 am | 7.2 | 68.18 | 6.46 | 3.50 | 76.60 | 6.80 | - | 26 | 7.60 | - |
| 2026-06-08 07:45 am | 7.2 | 68.18 | 6.48 | 3.60 | 80.50 | 7.20 | - | 24 | 7.60 | - |
| 2026-06-08 07:30 am | 7.2 | 68.18 | 6.53 | 3.60 | 81.10 | 7.20 | - | 28 | 7.60 | - |
| 2026-06-08 07:15 am | 6.9 | 68.36 | 6.61 | 3.60 | 81.60 | 7.20 | - | 28 | 7.70 | - |
| 2026-06-08 07:00 am | 6.9 | 68.36 | 6.62 | 3.60 | 81.90 | 7.30 | - | 24 | 7.70 | - |
| 2026-06-08 06:45 am | 6.9 | 68.36 | 6.62 | 3.60 | 82.80 | 7.30 | - | 23 | 7.70 | - |
| 2026-06-08 06:30 am | 6.6 | 68.36 | 6.63 | 3.60 | 83.50 | 7.40 | - | 23 | 7.70 | - |
| 2026-06-08 06:15 am | 6.6 | 68.54 | 6.63 | 3.60 | 83.80 | 7.40 | - | 23 | 7.70 | - |
| 2026-06-08 06:00 am | 6.6 | 68.72 | 6.63 | 3.60 | 83.90 | 7.40 | - | 20 | 7.70 | - |
| 2026-06-08 05:45 am | 6.2 | 68.72 | 6.63 | 3.60 | 84.60 | 7.50 | - | 20 | 7.70 | - |
| 2026-06-08 05:30 am | 6.2 | 68.72 | 6.62 | 3.60 | 85.20 | 7.50 | - | 20 | 7.70 | - |
| 2026-06-08 05:15 am | 5.9 | 68.90 | 6.63 | 3.60 | 83.80 | 7.40 | - | 20 | 7.70 | - |
| 2026-06-08 05:00 am | 5.9 | 68.90 | 6.63 | 3.60 | 85.00 | 7.50 | - | 21 | 7.70 | - |
| 2026-06-08 04:45 am | 5.9 | 68.90 | 6.60 | 3.60 | 84.50 | 7.50 | - | 23 | 7.70 | - |
| 2026-06-08 04:30 am | 5.6 | 68.90 | 6.60 | 3.60 | 84.60 | 7.50 | - | 24 | 7.70 | - |
| 2026-06-08 04:15 am | 5.6 | 68.72 | 6.52 | 3.60 | 68.00 | 6.00 | - | 22 | 7.60 | - |
| 2026-06-08 04:00 am | 5.6 | 68.72 | 6.51 | 3.60 | 73.70 | 6.50 | - | 23 | 7.60 | - |
| 2026-06-08 03:45 am | 5.6 | 68.90 | 6.51 | 3.60 | 76.80 | 6.80 | - | 24 | 7.60 | - |
| 2026-06-08 03:30 am | 5.6 | 68.90 | 6.51 | 3.60 | 80.20 | 7.10 | - | 23 | 7.60 | - |
| 2026-06-08 03:15 am | 5.6 | 69.08 | 6.52 | 3.60 | 80.80 | 7.10 | - | 21 | 7.70 | - |
| 2026-06-08 03:00 am | 5.9 | 69.26 | 6.52 | 3.60 | 81.80 | 7.20 | - | 22 | 7.70 | - |
| 2026-06-08 02:45 am | 5.9 | 69.26 | 6.50 | 3.60 | 81.20 | 7.10 | - | 21 | 7.70 | - |
| 2026-06-08 02:30 am | 5.9 | 69.44 | 6.49 | 3.60 | 81.40 | 7.10 | - | 20 | 7.70 | - |
| 2026-06-08 02:15 am | 5.9 | 69.62 | 6.46 | 3.50 | 80.20 | 7.00 | - | 22 | 7.60 | - |
| 2026-06-08 02:00 am | 6.2 | 69.80 | 6.47 | 3.50 | 80.30 | 7.00 | - | 21 | 7.60 | - |
| 2026-06-08 01:45 am | 6.2 | 69.98 | 6.49 | 3.60 | 80.30 | 7.00 | - | 18 | 7.60 | - |
| 2026-06-08 01:30 am | 6.2 | 70.16 | 6.47 | 3.50 | 80.70 | 7.00 | - | 20 | 7.60 | - |
| 2026-06-08 01:15 am | 6.6 | 70.52 | 6.48 | 3.60 | 81.00 | 7.00 | - | 19 | 7.60 | - |
| 2026-06-08 01:00 am | 6.6 | 70.88 | 6.49 | 3.60 | 81.30 | 7.00 | - | 19 | 7.60 | - |
Historical data for station FFFC1 are available at the NERRS website.
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