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)
Large icon indicates selected station.
Stations with recent data
Stations with no data in last 8 hours
(24 hours for tsunami stations)
Stations with recent data Stations with no data in last 8 hours(24 hours for tsunami stations)
|
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): | 7.2 ft |
 Ocean Temperature (OTMP): | 71.96 °F |
| Conductivity (COND): | 8.59 mS/cm |
| Salinity (SAL): | 4.80 psu |
| Oxygen Saturation (O2PCT): | 83.8% |
| Oxygen Concentration (O2PPM): | 7.10 ppm |
| Turbidity (TURB): | 15 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-03 09:15 pm | 7.5 | 71.96 | 8.52 | 4.80 | 84.10 | 7.10 | - | 16 | 7.60 | - |
| 2026-07-03 09:00 pm | 7.5 | 71.96 | 8.42 | 4.70 | 83.80 | 7.10 | - | 16 | 7.50 | - |
| 2026-07-03 08:45 pm | 7.9 | 71.96 | 8.21 | 4.60 | 82.90 | 7.00 | - | 17 | 7.50 | - |
| 2026-07-03 08:30 pm | 7.9 | 71.96 | 8.20 | 4.60 | 82.40 | 7.00 | - | 20 | 7.50 | - |
| 2026-07-03 08:15 pm | 7.9 | 71.96 | 8.39 | 4.70 | 82.40 | 7.00 | - | 19 | 7.50 | - |
| 2026-07-03 08:00 pm | 7.9 | 72.14 | 8.29 | 4.60 | 82.10 | 7.00 | - | 20 | 7.50 | - |
| 2026-07-03 07:45 pm | 8.2 | 72.14 | 8.40 | 4.70 | 82.90 | 7.00 | - | 22 | 7.50 | - |
| 2026-07-03 07:30 pm | 8.2 | 72.14 | 8.52 | 4.80 | 82.40 | 7.00 | - | 20 | 7.50 | - |
| 2026-07-03 07:15 pm | 8.2 | 72.14 | 8.43 | 4.70 | 81.50 | 6.90 | - | 21 | 7.50 | - |
| 2026-07-03 07:00 pm | 7.9 | 72.14 | 8.34 | 4.60 | 81.60 | 6.90 | - | 23 | 7.50 | - |
| 2026-07-03 06:45 pm | 7.9 | 71.96 | 8.15 | 4.50 | 80.30 | 6.80 | - | 23 | 7.50 | - |
| 2026-07-03 06:30 pm | 7.9 | 71.78 | 8.14 | 4.50 | 79.20 | 6.70 | - | 31 | 7.50 | - |
| 2026-07-03 06:15 pm | 7.9 | 71.78 | 8.12 | 4.50 | 77.80 | 6.60 | - | 24 | 7.50 | - |
| 2026-07-03 06:00 pm | 7.9 | 71.78 | 8.10 | 4.50 | 80.60 | 6.90 | - | 31 | 7.50 | - |
| 2026-07-03 05:45 pm | 7.9 | 71.78 | 8.40 | 4.70 | 80.30 | 6.80 | - | 34 | 7.50 | - |
| 2026-07-03 05:30 pm | 7.5 | 71.78 | 8.56 | 4.80 | 81.30 | 6.90 | - | 36 | 7.50 | - |
| 2026-07-03 05:15 pm | 7.5 | 71.78 | 8.60 | 4.80 | 82.00 | 7.00 | - | 33 | 7.50 | - |
| 2026-07-03 05:00 pm | 7.5 | 71.96 | 8.68 | 4.90 | 82.60 | 7.00 | - | 29 | 7.50 | - |
| 2026-07-03 04:45 pm | 7.2 | 72.32 | 8.80 | 4.90 | 83.20 | 7.00 | - | 25 | 7.50 | - |
| 2026-07-03 04:30 pm | 7.2 | 72.32 | 8.87 | 5.00 | 84.00 | 7.10 | - | 25 | 7.50 | - |
| 2026-07-03 04:15 pm | 6.9 | 72.50 | 8.91 | 5.00 | 84.90 | 7.20 | - | 22 | 7.50 | - |
| 2026-07-03 04:00 pm | 6.9 | 71.96 | 9.09 | 5.10 | 84.70 | 7.20 | - | 22 | 7.50 | - |
| 2026-07-03 03:45 pm | 6.6 | 71.24 | 9.12 | 5.10 | 83.20 | 7.10 | - | 17 | 7.60 | - |
| 2026-07-03 03:30 pm | 6.6 | 70.52 | 9.08 | 5.10 | 82.30 | 7.10 | - | 15 | 7.60 | - |
| 2026-07-03 03:15 pm | 6.2 | 70.52 | 9.04 | 5.10 | 84.20 | 7.20 | - | 16 | 7.60 | - |
| 2026-07-03 03:00 pm | 5.9 | 70.88 | 9.01 | 5.10 | 89.40 | 7.70 | - | 19 | 7.60 | - |
| 2026-07-03 02:45 pm | 5.6 | 70.70 | 9.12 | 5.10 | 89.10 | 7.60 | - | 23 | 7.70 | - |
| 2026-07-03 02:30 pm | 5.2 | 70.52 | 8.99 | 5.00 | 88.30 | 7.60 | - | 29 | 7.60 | - |
| 2026-07-03 02:15 pm | 4.9 | 69.44 | 9.23 | 5.20 | 80.40 | 7.00 | - | 21 | 7.60 | - |
| 2026-07-03 02:00 pm | 4.6 | 69.44 | 9.08 | 5.10 | 80.50 | 7.00 | - | 19 | 7.60 | - |
| 2026-07-03 01:45 pm | 4.3 | 70.16 | 9.32 | 5.20 | 81.30 | 7.00 | - | 22 | 7.50 | - |
| 2026-07-03 01:30 pm | 3.9 | 71.06 | 9.61 | 5.40 | 80.40 | 6.90 | - | 20 | 7.50 | - |
| 2026-07-03 01:15 pm | 3.9 | 72.68 | 9.92 | 5.60 | 71.50 | 6.00 | - | 17 | 7.40 | - |
| 2026-07-03 01:00 pm | 3.9 | 73.04 | 9.87 | 5.60 | 81.10 | 6.80 | - | 23 | 7.40 | - |
| 2026-07-03 12:45 pm | 3.9 | 72.50 | 9.87 | 5.60 | 81.10 | 6.80 | - | 22 | 7.40 | - |
| 2026-07-03 12:30 pm | 4.3 | 71.96 | 9.86 | 5.60 | 78.60 | 6.60 | - | 21 | 7.40 | - |
| 2026-07-03 12:15 pm | 4.3 | 71.60 | 9.71 | 5.50 | 76.90 | 6.50 | - | 23 | 7.40 | - |
| 2026-07-03 12:00 pm | 4.6 | 71.24 | 9.66 | 5.40 | 76.60 | 6.50 | - | 24 | 7.40 | - |
| 2026-07-03 11:45 am | 4.6 | 70.88 | 9.63 | 5.40 | 75.90 | 6.50 | - | 24 | 7.50 | - |
| 2026-07-03 11:30 am | 4.9 | 70.16 | 9.58 | 5.40 | 74.80 | 6.40 | - | 25 | 7.50 | - |
| 2026-07-03 11:15 am | 4.9 | 70.16 | 9.48 | 5.30 | 76.10 | 6.60 | - | 23 | 7.50 | - |
| 2026-07-03 11:00 am | 5.2 | 69.62 | 9.44 | 5.30 | 75.60 | 6.50 | - | 23 | 7.50 | - |
| 2026-07-03 10:45 am | 5.2 | 69.26 | 9.38 | 5.30 | 75.50 | 6.60 | - | 22 | 7.50 | - |
| 2026-07-03 10:30 am | 5.6 | 68.90 | 9.33 | 5.30 | 75.80 | 6.60 | - | 22 | 7.50 | - |
| 2026-07-03 10:15 am | 5.6 | 68.72 | 9.28 | 5.20 | 75.80 | 6.60 | - | 23 | 7.50 | - |
| 2026-07-03 10:00 am | 5.9 | 68.54 | 9.26 | 5.20 | 76.00 | 6.70 | - | 19 | 7.50 | - |
| 2026-07-03 09:45 am | 5.9 | 68.36 | 9.22 | 5.20 | 76.00 | 6.70 | - | 20 | 7.50 | - |
| 2026-07-03 09:30 am | 6.2 | 68.18 | 9.19 | 5.20 | 76.30 | 6.70 | - | 17 | 7.50 | - |
| 2026-07-03 09:15 am | 6.2 | 68.00 | 9.15 | 5.10 | 76.90 | 6.80 | - | 18 | 7.50 | - |
| 2026-07-03 09:00 am | 6.6 | 67.82 | 9.10 | 5.10 | 76.90 | 6.80 | - | 16 | 7.50 | - |
| 2026-07-03 08:45 am | 6.6 | 67.82 | 9.05 | 5.10 | 77.30 | 6.80 | - | 16 | 7.60 | - |
| 2026-07-03 08:30 am | 6.9 | 67.64 | 9.02 | 5.10 | 77.50 | 6.90 | - | 16 | 7.60 | - |
| 2026-07-03 08:15 am | 7.2 | 67.64 | 8.95 | 5.00 | 77.30 | 6.80 | - | 16 | 7.60 | - |
| 2026-07-03 08:00 am | 7.2 | 67.64 | 8.85 | 5.00 | 77.40 | 6.90 | - | 17 | 7.60 | - |
| 2026-07-03 07:45 am | 7.5 | 67.82 | 8.78 | 4.90 | 77.80 | 6.90 | - | 17 | 7.60 | - |
| 2026-07-03 07:30 am | 7.5 | 67.82 | 8.49 | 4.70 | 77.80 | 6.90 | - | 17 | 7.60 | - |
| 2026-07-03 07:15 am | 7.9 | 67.82 | 8.17 | 4.60 | 78.10 | 6.90 | - | 17 | 7.60 | - |
| 2026-07-03 07:00 am | 8.2 | 68.18 | 7.91 | 4.40 | 77.80 | 6.90 | - | 18 | 7.50 | - |
| 2026-07-03 06:45 am | 8.2 | 68.18 | 7.40 | 4.10 | 78.30 | 6.90 | - | 21 | 7.60 | - |
| 2026-07-03 06:30 am | 8.5 | 68.36 | 6.91 | 3.80 | 78.20 | 6.90 | - | 20 | 7.50 | - |
| 2026-07-03 06:15 am | 8.5 | 68.54 | 6.43 | 3.50 | 77.70 | 6.90 | - | 24 | 7.50 | - |
| 2026-07-03 06:00 am | 8.9 | 68.54 | 6.10 | 3.30 | 77.20 | 6.80 | - | 27 | 7.50 | - |
| 2026-07-03 05:45 am | 8.9 | 68.90 | 6.37 | 3.50 | 78.40 | 6.90 | - | 28 | 7.50 | - |
| 2026-07-03 05:30 am | 8.9 | 68.90 | 6.68 | 3.70 | 77.40 | 6.80 | - | 27 | 7.50 | - |
| 2026-07-03 05:15 am | 8.9 | 68.72 | 6.98 | 3.90 | 76.30 | 6.70 | - | 27 | 7.50 | - |
| 2026-07-03 05:00 am | 8.9 | 68.72 | 6.84 | 3.80 | 74.30 | 6.60 | - | 28 | 7.50 | - |
| 2026-07-03 04:45 am | 8.9 | 68.72 | 5.76 | 3.10 | 78.50 | 7.00 | - | 45 | 7.60 | - |
| 2026-07-03 04:30 am | 8.9 | 68.90 | 5.81 | 3.20 | 78.70 | 7.00 | - | 44 | 7.60 | - |
| 2026-07-03 04:15 am | 8.9 | 68.90 | 5.97 | 3.30 | 78.60 | 6.90 | - | 42 | 7.60 | - |
| 2026-07-03 04:00 am | 8.9 | 69.08 | 6.10 | 3.30 | 78.40 | 6.90 | - | 41 | 7.60 | - |
| 2026-07-03 03:45 am | 8.5 | 69.26 | 6.18 | 3.40 | 78.40 | 6.90 | - | 38 | 7.60 | - |
| 2026-07-03 03:30 am | 8.5 | 69.26 | 6.36 | 3.50 | 78.90 | 6.90 | - | 37 | 7.60 | - |
| 2026-07-03 03:15 am | 8.5 | 69.26 | 6.50 | 3.60 | 78.60 | 6.90 | - | 34 | 7.50 | - |
| 2026-07-03 03:00 am | 8.2 | 69.26 | 6.91 | 3.80 | 78.60 | 6.90 | - | 31 | 7.60 | - |
| 2026-07-03 02:45 am | 8.2 | 69.26 | 7.54 | 4.20 | 79.20 | 6.90 | - | 24 | 7.60 | - |
| 2026-07-03 02:30 am | 8.2 | 69.08 | 8.24 | 4.60 | 80.00 | 7.00 | - | 29 | 7.60 | - |
| 2026-07-03 02:15 am | 7.9 | 68.90 | 8.86 | 5.00 | 80.70 | 7.10 | - | 26 | 7.60 | - |
| 2026-07-03 02:00 am | 7.9 | 68.90 | 9.06 | 5.10 | 81.20 | 7.10 | - | 25 | 7.60 | - |
| 2026-07-03 01:45 am | 7.5 | 69.08 | 9.09 | 5.10 | 81.90 | 7.20 | - | 25 | 7.60 | - |
| 2026-07-03 01:30 am | 7.5 | 69.08 | 9.12 | 5.10 | 82.40 | 7.20 | - | 21 | 7.60 | - |
| 2026-07-03 01:15 am | 7.2 | 69.26 | 9.13 | 5.10 | 82.80 | 7.20 | - | 16 | 7.60 | - |
| 2026-07-03 01:00 am | 7.2 | 69.26 | 9.14 | 5.10 | 83.10 | 7.20 | - | 14 | 7.60 | - |
| 2026-07-03 12:45 am | 6.9 | 69.44 | 9.14 | 5.10 | 83.40 | 7.30 | - | 25 | 7.60 | - |
| 2026-07-03 12:30 am | 6.9 | 69.44 | 9.13 | 5.10 | 83.50 | 7.30 | - | 16 | 7.60 | - |
| 2026-07-03 12:15 am | 6.6 | 69.44 | 9.12 | 5.10 | 83.00 | 7.20 | - | 17 | 7.60 | - |
| 2026-07-03 12:00 am | 6.6 | 69.44 | 9.12 | 5.10 | 83.20 | 7.20 | - | 19 | 7.60 | - |
| 2026-07-02 11:45 pm | 6.6 | 69.62 | 9.11 | 5.10 | 82.70 | 7.20 | - | 18 | 7.60 | - |
| 2026-07-02 11:30 pm | 6.6 | 70.52 | 9.25 | 5.20 | 74.50 | 6.40 | - | 15 | 7.50 | - |
| 2026-07-02 11:15 pm | 6.6 | 70.52 | 9.27 | 5.20 | 78.10 | 6.70 | - | 14 | 7.50 | - |
| 2026-07-02 11:00 pm | 6.6 | 70.70 | 9.28 | 5.20 | 81.50 | 7.00 | - | 18 | 7.60 | - |
| 2026-07-02 10:45 pm | 6.6 | 70.70 | 9.25 | 5.20 | 81.80 | 7.00 | - | 18 | 7.60 | - |
| 2026-07-02 10:30 pm | 6.6 | 70.88 | 9.26 | 5.20 | 82.10 | 7.00 | - | 18 | 7.60 | - |
| 2026-07-02 10:15 pm | 6.6 | 71.06 | 9.28 | 5.20 | 82.90 | 7.10 | - | 18 | 7.60 | - |
| 2026-07-02 10:00 pm | 6.9 | 71.06 | 9.23 | 5.20 | 82.50 | 7.10 | - | 18 | 7.60 | - |
Historical data for station FFFC1 are available at the NERRS website.
NDBC on Facebook
NOAA on LinkedIn
NDBC on Twitter