NDBC has recently revised the NDBC Handbook of Automated Data Quality Control Checks and Procedures. The new document can be found on our Publications page.
Station MAQT2 - Aransas Bay, Mission-Aransas Reserve, TX
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
27.980 N 97.029 W (27°58'47" N 97°1'44" 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): | 10.2 ft |
 Ocean Temperature (OTMP): | 75.74 °F |
| Conductivity (COND): | 51.63 mS/cm |
| Salinity (SAL): | 34.00 psu |
| Oxygen Concentration (O2PCT): | 96.7% |
| Oxygen Concentration (O2PPM): | 6.70 ppm |
| Turbidity (TURB): | 18 FTU |
| pH (PH): | 8.00 |
| TIME (CDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-20 09:45 am | 10.2 | 75.74 | 51.53 | 33.90 | 95.80 | 6.60 | - | 17 | 8.00 | - |
| 2025-04-20 09:30 am | 10.2 | 75.74 | 51.50 | 33.90 | 96.50 | 6.70 | - | 15 | 8.00 | - |
| 2025-04-20 09:15 am | 10.2 | 75.74 | 51.42 | 33.80 | 96.80 | 6.70 | - | 15 | 8.00 | - |
| 2025-04-20 09:00 am | 10.2 | 75.74 | 51.37 | 33.80 | 96.70 | 6.70 | - | 16 | 8.00 | - |
| 2025-04-20 08:45 am | 10.2 | 75.74 | 51.33 | 33.70 | 97.40 | 6.70 | - | 15 | 8.00 | - |
| 2025-04-20 08:30 am | 10.2 | 75.74 | 51.27 | 33.70 | 97.60 | 6.70 | - | 15 | 8.00 | - |
| 2025-04-20 08:15 am | 10.2 | 75.74 | 51.21 | 33.60 | 98.10 | 6.80 | - | 16 | 8.00 | - |
| 2025-04-20 08:00 am | 10.2 | 75.74 | 51.15 | 33.60 | 98.80 | 6.80 | - | 18 | 8.00 | - |
| 2025-04-20 07:45 am | 10.2 | 75.74 | 51.10 | 33.60 | 98.90 | 6.80 | - | 17 | 8.00 | - |
| 2025-04-20 07:30 am | 10.2 | 75.74 | 51.04 | 33.50 | 98.90 | 6.80 | - | 16 | 8.00 | - |
| 2025-04-20 07:15 am | 9.8 | 75.92 | 50.98 | 33.50 | 98.80 | 6.80 | - | 14 | 8.00 | - |
| 2025-04-20 07:00 am | 9.8 | 75.92 | 50.93 | 33.40 | 99.40 | 6.90 | - | 13 | 8.00 | - |
| 2025-04-20 06:45 am | 9.8 | 75.92 | 50.86 | 33.40 | 99.40 | 6.90 | - | 16 | 8.00 | - |
| 2025-04-20 06:30 am | 9.8 | 75.92 | 50.80 | 33.30 | 99.50 | 6.90 | - | 15 | 8.00 | - |
| 2025-04-20 06:15 am | 9.8 | 75.92 | 50.77 | 33.30 | 99.30 | 6.90 | - | 15 | 8.00 | - |
| 2025-04-20 06:00 am | 9.8 | 75.92 | 50.74 | 33.30 | 99.40 | 6.90 | - | 18 | 8.00 | - |
| 2025-04-20 05:45 am | 9.8 | 75.92 | 50.72 | 33.30 | 99.60 | 6.90 | - | 25 | 8.00 | - |
| 2025-04-20 05:30 am | 9.8 | 75.92 | 50.71 | 33.30 | 99.70 | 6.90 | - | 23 | 8.00 | - |
| 2025-04-20 05:15 am | 9.8 | 75.92 | 50.66 | 33.20 | 99.90 | 6.90 | - | 21 | 8.00 | - |
| 2025-04-20 05:00 am | 9.8 | 76.10 | 50.63 | 33.20 | 99.90 | 6.90 | - | 23 | 8.00 | - |
| 2025-04-20 04:45 am | 9.8 | 76.10 | 50.59 | 33.20 | 100.00 | 6.90 | - | 23 | 8.00 | - |
| 2025-04-20 04:30 am | 9.8 | 76.10 | 50.57 | 33.20 | 99.80 | 6.90 | - | 23 | 8.00 | - |
| 2025-04-20 04:15 am | 9.8 | 76.10 | 50.55 | 33.20 | 99.90 | 6.90 | - | 23 | 8.00 | - |
| 2025-04-20 04:00 am | 9.8 | 76.10 | 50.52 | 33.10 | 100.10 | 6.90 | - | 19 | 8.00 | - |
| 2025-04-20 03:45 am | 9.8 | 76.10 | 50.51 | 33.10 | 100.20 | 6.90 | - | 37 | 8.00 | - |
| 2025-04-20 03:30 am | 9.8 | 76.10 | 50.51 | 33.10 | 100.30 | 6.90 | - | 19 | 8.00 | - |
| 2025-04-20 03:15 am | 9.8 | 76.10 | 50.52 | 33.10 | 100.40 | 6.90 | - | 18 | 8.00 | - |
| 2025-04-20 03:00 am | 9.8 | 76.28 | 50.53 | 33.10 | 100.50 | 6.90 | - | 16 | 8.00 | - |
| 2025-04-20 02:45 am | 9.8 | 76.28 | 50.52 | 33.10 | 100.70 | 6.90 | - | 15 | 8.00 | - |
| 2025-04-20 02:30 am | 9.8 | 76.28 | 50.55 | 33.20 | 100.80 | 7.00 | - | 13 | 8.00 | - |
| 2025-04-20 02:15 am | 9.8 | 76.28 | 50.59 | 33.20 | 100.90 | 7.00 | - | 13 | 8.00 | - |
| 2025-04-20 02:00 am | 9.8 | 76.28 | 50.62 | 33.20 | 101.00 | 7.00 | - | 12 | 8.00 | - |
| 2025-04-20 01:45 am | 9.8 | 76.28 | 50.65 | 33.20 | 101.20 | 7.00 | - | 12 | 8.00 | - |
| 2025-04-20 01:30 am | 9.8 | 76.28 | 50.67 | 33.20 | 101.40 | 7.00 | - | 12 | 8.00 | - |
| 2025-04-20 01:15 am | 9.8 | 76.28 | 50.68 | 33.30 | 101.10 | 7.00 | - | 13 | 8.00 | - |
| 2025-04-20 01:00 am | 9.8 | 76.28 | 50.72 | 33.30 | 101.20 | 7.00 | - | 11 | 8.00 | - |
| 2025-04-20 12:45 am | 9.8 | 76.28 | 50.76 | 33.30 | 101.10 | 7.00 | - | 11 | 8.00 | - |
| 2025-04-20 12:30 am | 10.2 | 76.28 | 50.79 | 33.30 | 101.10 | 7.00 | - | 11 | 8.00 | - |
| 2025-04-20 12:15 am | 10.2 | 76.28 | 50.80 | 33.30 | 101.30 | 7.00 | - | 11 | 8.00 | - |
| 2025-04-20 12:00 am | 10.2 | 76.28 | 50.83 | 33.40 | 101.00 | 7.00 | - | 12 | 8.00 | - |
| 2025-04-19 11:45 pm | 10.2 | 76.28 | 50.82 | 33.40 | 100.80 | 6.90 | - | 11 | 8.00 | - |
| 2025-04-19 11:30 pm | 10.2 | 76.28 | 50.84 | 33.40 | 100.80 | 6.90 | - | 12 | 8.00 | - |
| 2025-04-19 11:15 pm | 10.2 | 76.46 | 50.84 | 33.40 | 100.70 | 6.90 | - | 11 | 8.00 | - |
| 2025-04-19 11:00 pm | 10.2 | 76.46 | 50.85 | 33.40 | 100.50 | 6.90 | - | 12 | 8.00 | - |
| 2025-04-19 10:45 pm | 10.2 | 76.46 | 50.86 | 33.40 | 100.10 | 6.90 | - | 15 | 8.00 | - |
| 2025-04-19 10:30 pm | 10.2 | 76.46 | 50.87 | 33.40 | 100.90 | 6.90 | - | 13 | 8.00 | - |
| 2025-04-19 10:15 pm | 10.2 | 76.46 | 50.87 | 33.40 | 100.50 | 6.90 | - | 13 | 8.00 | - |
| 2025-04-19 10:00 pm | 10.2 | 76.46 | 50.86 | 33.40 | 100.50 | 6.90 | - | 12 | 8.00 | - |
| 2025-04-19 09:45 pm | 10.2 | 76.46 | 50.84 | 33.40 | 99.30 | 6.80 | - | 13 | 8.00 | - |
| 2025-04-19 09:30 pm | 10.2 | 76.46 | 50.83 | 33.40 | 100.10 | 6.90 | - | 12 | 8.00 | - |
| 2025-04-19 09:15 pm | 10.2 | 76.46 | 50.82 | 33.40 | 99.60 | 6.80 | - | 14 | 8.00 | - |
| 2025-04-19 09:00 pm | 10.2 | 76.46 | 50.82 | 33.30 | 100.60 | 6.90 | - | 14 | 8.00 | - |
| 2025-04-19 08:45 pm | 10.2 | 76.46 | 50.80 | 33.30 | 101.10 | 6.90 | - | 13 | 8.00 | - |
| 2025-04-19 08:30 pm | 10.2 | 76.64 | 50.79 | 33.30 | 101.40 | 7.00 | - | 14 | 8.00 | - |
| 2025-04-19 08:15 pm | 10.2 | 76.64 | 50.79 | 33.30 | 102.00 | 7.00 | - | 14 | 8.00 | - |
| 2025-04-19 08:00 pm | 10.2 | 76.64 | 50.77 | 33.30 | 102.40 | 7.00 | - | 12 | 8.00 | - |
| 2025-04-19 07:45 pm | 10.2 | 76.64 | 50.75 | 33.30 | 102.80 | 7.10 | - | 12 | 8.00 | - |
| 2025-04-19 07:30 pm | 10.2 | 76.64 | 50.72 | 33.30 | 102.30 | 7.00 | - | 13 | 8.00 | - |
| 2025-04-19 07:15 pm | 10.2 | 76.64 | 50.70 | 33.30 | 102.80 | 7.10 | - | 12 | 8.00 | - |
| 2025-04-19 07:00 pm | 10.2 | 76.82 | 50.67 | 33.20 | 103.00 | 7.10 | - | 11 | 8.00 | - |
| 2025-04-19 06:45 pm | 10.2 | 76.82 | 50.65 | 33.20 | 103.40 | 7.10 | - | 10 | 8.00 | - |
| 2025-04-19 06:30 pm | 10.2 | 76.82 | 50.64 | 33.20 | 103.60 | 7.10 | - | 9 | 8.00 | - |
| 2025-04-19 06:15 pm | 10.2 | 76.82 | 50.59 | 33.20 | 103.10 | 7.10 | - | 11 | 8.00 | - |
| 2025-04-19 06:00 pm | 10.2 | 76.64 | 50.54 | 33.10 | 103.20 | 7.10 | - | 10 | 8.00 | - |
| 2025-04-19 05:45 pm | 10.2 | 76.64 | 50.49 | 33.10 | 103.50 | 7.10 | - | 10 | 8.00 | - |
| 2025-04-19 05:30 pm | 10.2 | 76.64 | 50.44 | 33.10 | 103.80 | 7.10 | - | 9 | 8.00 | - |
| 2025-04-19 05:15 pm | 10.2 | 76.82 | 50.39 | 33.00 | 103.40 | 7.10 | - | 10 | 8.00 | - |
| 2025-04-19 05:00 pm | 10.2 | 76.82 | 50.36 | 33.00 | 103.20 | 7.10 | - | 9 | 8.00 | - |
| 2025-04-19 04:45 pm | 10.2 | 76.64 | 50.35 | 33.00 | 103.70 | 7.10 | - | 9 | 8.00 | - |
| 2025-04-19 04:30 pm | 10.2 | 76.64 | 50.38 | 33.00 | 103.00 | 7.10 | - | 10 | 8.00 | - |
| 2025-04-19 04:15 pm | 10.2 | 76.64 | 50.43 | 33.10 | 102.60 | 7.10 | - | 10 | 8.00 | - |
| 2025-04-19 04:00 pm | 10.2 | 76.64 | 50.42 | 33.10 | 102.50 | 7.10 | - | 9 | 8.00 | - |
| 2025-04-19 03:45 pm | 10.2 | 76.46 | 50.53 | 33.10 | 101.90 | 7.00 | - | 12 | 8.00 | - |
| 2025-04-19 03:30 pm | 10.2 | 76.28 | 50.86 | 33.40 | 99.60 | 6.90 | - | 18 | 8.00 | - |
| 2025-04-19 03:15 pm | 10.2 | 76.28 | 50.87 | 33.40 | 100.30 | 6.90 | - | 16 | 8.00 | - |
| 2025-04-19 03:00 pm | 10.2 | 76.10 | 50.94 | 33.40 | 99.20 | 6.80 | - | 15 | 8.00 | - |
| 2025-04-19 02:45 pm | 9.8 | 76.10 | 51.13 | 33.60 | 99.20 | 6.80 | - | 20 | 8.00 | - |
| 2025-04-19 02:30 pm | 9.8 | 76.10 | 51.14 | 33.60 | 99.80 | 6.90 | - | 17 | 8.00 | - |
| 2025-04-19 02:15 pm | 9.8 | 76.10 | 51.01 | 33.50 | 99.70 | 6.90 | - | 14 | 8.00 | - |
| 2025-04-19 02:00 pm | 9.8 | 76.10 | 51.09 | 33.60 | 100.00 | 6.90 | - | 13 | 8.00 | - |
| 2025-04-19 01:45 pm | 9.8 | 75.92 | 51.16 | 33.60 | 100.20 | 6.90 | - | 15 | 8.00 | - |
| 2025-04-19 01:30 pm | 9.8 | 75.92 | 51.15 | 33.60 | 99.80 | 6.90 | - | 12 | 8.00 | - |
| 2025-04-19 01:15 pm | 9.8 | 75.92 | 51.27 | 33.70 | 100.20 | 6.90 | - | 13 | 8.00 | - |
| 2025-04-19 01:00 pm | 9.8 | 75.74 | 51.35 | 33.80 | 99.90 | 6.90 | - | 14 | 8.00 | - |
| 2025-04-19 12:45 pm | 9.8 | 75.56 | 51.64 | 34.00 | 99.30 | 6.90 | - | 16 | 8.00 | - |
| 2025-04-19 12:30 pm | 9.8 | 75.56 | 51.59 | 33.90 | 99.60 | 6.90 | - | 16 | 8.00 | - |
| 2025-04-19 12:15 pm | 9.8 | 75.56 | 51.73 | 34.00 | 98.80 | 6.80 | - | 17 | 8.00 | - |
| 2025-04-19 12:00 pm | 9.8 | 75.56 | 51.84 | 34.10 | 98.60 | 6.80 | - | 19 | 8.00 | - |
| 2025-04-19 11:45 am | 9.8 | 75.56 | 51.85 | 34.10 | 98.30 | 6.80 | - | 18 | 8.00 | - |
| 2025-04-19 11:30 am | 9.8 | 75.56 | 51.82 | 34.10 | 98.10 | 6.80 | - | 17 | 8.00 | - |
| 2025-04-19 11:15 am | 9.8 | 75.56 | 51.80 | 34.10 | 97.40 | 6.70 | - | 16 | 8.00 | - |
| 2025-04-19 11:00 am | 9.8 | 75.56 | 51.79 | 34.10 | 97.00 | 6.70 | - | 15 | 8.00 | - |
Links which are specific to this station are listed below:
Real Time Data in tabular form for the last forty-five days.
Historical Data & Climatic Summaries for quality controlled data for prior months and years.
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