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 GBHM6 - Bayou Heron, Grand Bay Reserve, MS
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
30.418 N 88.405 W (30°25'4" N 88°24'19" 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): | 4.6 ft |
 Ocean Temperature (OTMP): | 69.98 °F |
| Conductivity (COND): | 28.24 mS/cm |
| Salinity (SAL): | 17.40 psu |
| Oxygen Concentration (O2PCT): | 4.9% |
| Oxygen Concentration (O2PPM): | 0.40 ppm |
| Turbidity (TURB): | 7 FTU |
| pH (PH): | 6.70 |
| TIME (CDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-03-27 11:45 pm | 4.3 | 70.16 | 28.21 | 17.40 | 5.40 | 0.40 | - | 7 | 6.70 | - |
| 2025-03-27 11:30 pm | 4.3 | 70.16 | 27.88 | 17.20 | 4.50 | 0.40 | - | 7 | 6.70 | - |
| 2025-03-27 11:15 pm | 4.6 | 69.80 | 28.16 | 17.40 | 4.20 | 0.30 | - | 8 | 6.70 | - |
| 2025-03-27 11:00 pm | 4.6 | 69.80 | 28.25 | 17.40 | 4.30 | 0.40 | - | 9 | 6.70 | - |
| 2025-03-27 10:45 pm | 4.3 | 70.16 | 27.82 | 17.10 | 4.60 | 0.40 | - | 8 | 6.70 | - |
| 2025-03-27 10:30 pm | 4.3 | 70.34 | 27.64 | 17.00 | 5.20 | 0.40 | - | 7 | 6.70 | - |
| 2025-03-27 10:15 pm | 4.3 | 70.16 | 27.65 | 17.00 | 4.70 | 0.40 | - | 7 | 6.70 | - |
| 2025-03-27 10:00 pm | 4.3 | 70.34 | 27.60 | 17.00 | 5.70 | 0.50 | - | 7 | 6.70 | - |
| 2025-03-27 09:45 pm | 4.6 | 70.16 | 27.62 | 17.00 | 5.00 | 0.40 | - | 8 | 6.70 | - |
| 2025-03-27 09:30 pm | 4.6 | 70.34 | 27.43 | 16.90 | 6.30 | 0.50 | - | 7 | 6.70 | - |
| 2025-03-27 09:15 pm | 4.6 | 70.16 | 27.52 | 16.90 | 5.30 | 0.40 | - | 8 | 6.70 | - |
| 2025-03-27 09:00 pm | 4.6 | 69.98 | 27.77 | 17.10 | 5.00 | 0.40 | - | 9 | 6.70 | - |
| 2025-03-27 08:45 pm | 4.6 | 69.98 | 27.70 | 17.10 | 4.90 | 0.40 | - | 9 | 6.70 | - |
| 2025-03-27 08:30 pm | 4.6 | 70.16 | 27.68 | 17.10 | 5.30 | 0.40 | - | 9 | 6.70 | - |
| 2025-03-27 08:15 pm | 4.6 | 70.52 | 27.43 | 16.90 | 7.70 | 0.60 | - | 7 | 6.70 | - |
| 2025-03-27 08:00 pm | 4.6 | 71.42 | 26.70 | 16.40 | 15.90 | 1.30 | - | 7 | 6.70 | - |
| 2025-03-27 07:45 pm | 4.6 | 71.06 | 26.76 | 16.40 | 14.20 | 1.10 | - | 7 | 6.70 | - |
| 2025-03-27 07:30 pm | 4.6 | 71.06 | 26.92 | 16.50 | 12.40 | 1.00 | - | 8 | 6.70 | - |
| 2025-03-27 07:15 pm | 4.3 | 70.88 | 26.80 | 16.50 | 12.30 | 1.00 | - | 9 | 6.70 | - |
| 2025-03-27 07:00 pm | 4.3 | 70.70 | 26.93 | 16.50 | 11.70 | 0.90 | - | 8 | 6.70 | - |
| 2025-03-27 06:45 pm | 4.3 | 70.52 | 27.09 | 16.70 | 10.60 | 0.90 | - | 8 | 6.70 | - |
| 2025-03-27 06:30 pm | 4.3 | 69.98 | 27.67 | 17.10 | 5.60 | 0.50 | - | 10 | 6.70 | - |
| 2025-03-27 06:15 pm | 4.3 | 69.62 | 28.41 | 17.50 | 4.60 | 0.40 | - | 12 | 6.70 | - |
| 2025-03-27 06:00 pm | 4.3 | 69.62 | 28.46 | 17.60 | 5.50 | 0.40 | - | 14 | 6.70 | - |
| 2025-03-27 05:45 pm | 4.3 | 70.16 | 27.42 | 16.90 | 6.40 | 0.50 | - | 11 | 6.70 | - |
| 2025-03-27 05:30 pm | 3.9 | 70.52 | 27.09 | 16.70 | 10.30 | 0.80 | - | 11 | 6.70 | - |
| 2025-03-27 05:15 pm | 3.9 | 69.80 | 27.87 | 17.20 | 5.80 | 0.50 | - | 11 | 6.70 | - |
| 2025-03-27 05:00 pm | 3.9 | 70.34 | 27.24 | 16.80 | 7.80 | 0.60 | - | 8 | 6.70 | - |
| 2025-03-27 04:45 pm | 3.9 | 70.34 | 27.31 | 16.80 | 9.40 | 0.80 | - | 10 | 6.70 | - |
| 2025-03-27 04:30 pm | 3.9 | 70.88 | 26.59 | 16.30 | 17.10 | 1.40 | - | 10 | 6.70 | - |
| 2025-03-27 04:15 pm | 3.9 | 70.88 | 26.54 | 16.30 | 16.10 | 1.30 | - | 7 | 6.70 | - |
| 2025-03-27 04:00 pm | 3.9 | 71.24 | 26.25 | 16.10 | 19.70 | 1.60 | - | 8 | 6.70 | - |
| 2025-03-27 03:45 pm | 3.9 | 70.70 | 27.11 | 16.70 | 13.60 | 1.10 | - | 9 | 6.70 | - |
| 2025-03-27 03:30 pm | 3.9 | 70.34 | 27.65 | 17.00 | 8.10 | 0.70 | - | 9 | 6.70 | - |
| 2025-03-27 03:15 pm | 3.9 | 70.88 | 26.57 | 16.30 | 15.00 | 1.20 | - | 8 | 6.70 | - |
| 2025-03-27 03:00 pm | 3.9 | 71.06 | 26.56 | 16.30 | 18.80 | 1.50 | - | 7 | 6.70 | - |
| 2025-03-27 02:45 pm | 4.3 | 70.88 | 27.06 | 16.60 | 17.30 | 1.40 | - | 8 | 6.70 | - |
| 2025-03-27 02:30 pm | 4.3 | 70.52 | 27.56 | 17.00 | 12.40 | 1.00 | - | 7 | 6.70 | - |
| 2025-03-27 02:15 pm | 4.3 | 70.16 | 27.75 | 17.10 | 10.00 | 0.80 | - | 7 | 6.70 | - |
| 2025-03-27 02:00 pm | 4.3 | 70.16 | 27.95 | 17.20 | 10.60 | 0.90 | - | 9 | 6.70 | - |
| 2025-03-27 01:45 pm | 4.3 | 69.80 | 28.21 | 17.40 | 8.00 | 0.60 | - | 8 | 6.70 | - |
| 2025-03-27 01:30 pm | 4.3 | 70.34 | 27.79 | 17.10 | 11.50 | 0.90 | - | 9 | 6.70 | - |
| 2025-03-27 01:15 pm | 4.3 | 69.98 | 28.10 | 17.30 | 9.80 | 0.80 | - | 7 | 6.70 | - |
| 2025-03-27 01:00 pm | 4.3 | 69.80 | 28.30 | 17.50 | 8.80 | 0.70 | - | 8 | 6.70 | - |
| 2025-03-27 12:45 pm | 4.3 | 69.62 | 28.47 | 17.60 | 7.90 | 0.60 | - | 7 | 6.80 | - |
| 2025-03-27 12:30 pm | 4.3 | 69.62 | 28.57 | 17.70 | 8.20 | 0.70 | - | 7 | 6.80 | - |
| 2025-03-27 12:15 pm | 4.3 | 69.62 | 28.53 | 17.60 | 8.00 | 0.60 | - | 7 | 6.80 | - |
| 2025-03-27 12:00 pm | 4.3 | 69.62 | 28.71 | 17.80 | 8.70 | 0.70 | - | 8 | 6.80 | - |
| 2025-03-27 11:45 am | 4.3 | 69.62 | 28.46 | 17.60 | 9.00 | 0.70 | - | 7 | 6.80 | - |
| 2025-03-27 11:30 am | 3.9 | 69.62 | 28.81 | 17.80 | 9.80 | 0.80 | - | 8 | 6.80 | - |
| 2025-03-27 11:15 am | 3.9 | 69.62 | 29.01 | 18.00 | 9.80 | 0.80 | - | 8 | 6.80 | - |
| 2025-03-27 11:00 am | 3.9 | 69.62 | 29.01 | 18.00 | 9.30 | 0.80 | - | 9 | 6.80 | - |
| 2025-03-27 10:45 am | 3.9 | 69.62 | 28.66 | 17.70 | 9.20 | 0.70 | - | 8 | 6.80 | - |
| 2025-03-27 10:30 am | 3.9 | 69.62 | 28.87 | 17.90 | 9.70 | 0.80 | - | 8 | 6.80 | - |
| 2025-03-27 10:15 am | 3.9 | 69.44 | 29.01 | 18.00 | 10.30 | 0.80 | - | 8 | 6.80 | - |
| 2025-03-27 10:00 am | 3.9 | 69.44 | 29.07 | 18.00 | 10.20 | 0.80 | - | 8 | 6.80 | - |
| 2025-03-27 09:45 am | 3.6 | 69.44 | 29.15 | 18.10 | 15.70 | 1.30 | - | 8 | 7.10 | - |
| 2025-03-27 09:30 am | 3.6 | 69.62 | 28.18 | 17.40 | 2.30 | 0.20 | - | 7 | 6.80 | - |
| 2025-03-27 09:15 am | 3.6 | 69.62 | 28.10 | 17.30 | 1.40 | 0.10 | - | 8 | 6.80 | - |
| 2025-03-27 09:00 am | 3.6 | 69.62 | 27.93 | 17.20 | 1.70 | 0.10 | - | 9 | 6.80 | - |
| 2025-03-27 08:45 am | 3.6 | 69.44 | 28.48 | 17.60 | 2.60 | 0.20 | - | 7 | 6.80 | - |
| 2025-03-27 08:30 am | 3.6 | 69.44 | 28.20 | 17.40 | 1.70 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 08:15 am | 3.3 | 69.44 | 28.11 | 17.30 | 1.00 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 08:00 am | 3.3 | 69.44 | 28.13 | 17.40 | 1.50 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 07:45 am | 3.3 | 69.62 | 27.70 | 17.10 | 0.80 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 07:30 am | 3.3 | 69.62 | 27.63 | 17.00 | 0.80 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 07:15 am | 3.3 | 69.44 | 27.85 | 17.20 | 0.70 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 07:00 am | 3.3 | 69.62 | 27.67 | 17.10 | 0.80 | 0.10 | - | 8 | 6.80 | - |
| 2025-03-27 06:45 am | 3.3 | 69.26 | 28.25 | 17.40 | 2.30 | 0.20 | - | 8 | 6.80 | - |
| 2025-03-27 06:30 am | 3.3 | 69.26 | 28.20 | 17.40 | 1.70 | 0.10 | - | 8 | 6.80 | - |
| 2025-03-27 06:15 am | 3.0 | 69.44 | 27.89 | 17.20 | 1.50 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 06:00 am | 3.0 | 69.44 | 27.55 | 17.00 | 0.70 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 05:45 am | 3.0 | 69.44 | 27.67 | 17.00 | 0.70 | 0.10 | - | 8 | 6.80 | - |
| 2025-03-27 05:30 am | 3.0 | 69.44 | 27.56 | 17.00 | 1.20 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 05:15 am | 3.0 | 69.62 | 27.51 | 16.90 | 1.80 | 0.20 | - | 7 | 6.80 | - |
| 2025-03-27 05:00 am | 3.3 | 69.44 | 27.84 | 17.20 | 1.70 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 04:45 am | 3.3 | 69.44 | 27.94 | 17.20 | 2.20 | 0.20 | - | 7 | 6.80 | - |
| 2025-03-27 04:30 am | 3.0 | 69.44 | 27.61 | 17.00 | 1.20 | 0.10 | - | 7 | 6.80 | - |
| 2025-03-27 04:15 am | 3.3 | 69.62 | 27.57 | 17.00 | 2.00 | 0.20 | - | 7 | 6.80 | - |
| 2025-03-27 04:00 am | 3.3 | 69.62 | 27.57 | 17.00 | 1.90 | 0.20 | - | 7 | 6.80 | - |
| 2025-03-27 03:45 am | 3.3 | 69.62 | 27.69 | 17.10 | 3.00 | 0.20 | - | 7 | 6.80 | - |
| 2025-03-27 03:30 am | 3.3 | 69.62 | 27.85 | 17.20 | 1.90 | 0.20 | - | 7 | 6.80 | - |
| 2025-03-27 03:15 am | 3.3 | 69.80 | 27.56 | 17.00 | 2.70 | 0.20 | - | 7 | 6.80 | - |
| 2025-03-27 03:00 am | 3.3 | 69.98 | 26.92 | 16.50 | 3.70 | 0.30 | - | 8 | 6.80 | - |
| 2025-03-27 02:45 am | 3.6 | 69.62 | 27.73 | 17.10 | 3.80 | 0.30 | - | 7 | 6.80 | - |
| 2025-03-27 02:30 am | 3.6 | 70.16 | 27.14 | 16.70 | 7.90 | 0.60 | - | 7 | 6.80 | - |
| 2025-03-27 02:15 am | 3.6 | 69.80 | 27.48 | 16.90 | 5.60 | 0.50 | - | 7 | 6.80 | - |
| 2025-03-27 02:00 am | 3.6 | 69.44 | 28.09 | 17.30 | 3.30 | 0.30 | - | 7 | 6.80 | - |
| 2025-03-27 01:45 am | 3.6 | 69.62 | 27.93 | 17.20 | 4.00 | 0.30 | - | 7 | 6.80 | - |
| 2025-03-27 01:30 am | 3.6 | 70.16 | 27.23 | 16.70 | 7.20 | 0.60 | - | 7 | 6.80 | - |
| 2025-03-27 01:15 am | 3.9 | 69.62 | 27.78 | 17.10 | 4.60 | 0.40 | - | 8 | 6.80 | - |
| 2025-03-27 01:00 am | 3.9 | 70.34 | 27.03 | 16.60 | 11.10 | 0.90 | - | 7 | 6.80 | - |
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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