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 SAQG1 - Lower Duplin, Sapelo Island Reserve, GA
Owned and maintained by National Estuarine Research Reserve System
NERRS Water Quality Station
31.418 N 81.296 W (31°25'5" N 81°17'46" 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): | 11.8 ft |
 Ocean Temperature (OTMP): | 78.98 °F |
| Conductivity (COND): | 41.36 mS/cm |
| Salinity (SAL): | 26.50 psu |
| Oxygen Saturation (O2PCT): | 71.9% |
| Oxygen Concentration (O2PPM): | 5.00 ppm |
| Turbidity (TURB): | 73 FTU |
| pH (PH): | 7.90 |
| TIME (EDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-05-19 09:45 am | 11.5 | 79.16 | 37.75 | 23.90 | 74.60 | 5.30 | - | 14 | 7.80 | - |
| 2025-05-19 09:30 am | 11.2 | 78.98 | 36.86 | 23.30 | 74.40 | 5.30 | - | 13 | 7.80 | - |
| 2025-05-19 09:15 am | 11.2 | 79.16 | 36.84 | 23.30 | 73.90 | 5.20 | - | 12 | 7.80 | - |
| 2025-05-19 09:00 am | 10.8 | 79.34 | 38.08 | 24.10 | 74.70 | 5.30 | - | 9 | 7.80 | - |
| 2025-05-19 08:45 am | 10.5 | 79.34 | 37.74 | 23.90 | 74.00 | 5.20 | - | 8 | 7.80 | - |
| 2025-05-19 08:30 am | 10.5 | 79.34 | 39.27 | 25.00 | 72.80 | 5.10 | - | 10 | 7.80 | - |
| 2025-05-19 08:15 am | 10.5 | 79.34 | 39.84 | 25.40 | 73.10 | 5.10 | - | 12 | 7.80 | - |
| 2025-05-19 08:00 am | 10.5 | 79.34 | 40.26 | 25.70 | 72.60 | 5.10 | - | 10 | 7.90 | - |
| 2025-05-19 07:45 am | 10.5 | 79.34 | 40.44 | 25.80 | 71.20 | 5.00 | - | 9 | 7.90 | - |
| 2025-05-19 07:30 am | 10.5 | 79.34 | 40.03 | 25.50 | 72.10 | 5.00 | - | 10 | 7.80 | - |
| 2025-05-19 07:15 am | 10.5 | 79.34 | 39.29 | 25.00 | 72.10 | 5.10 | - | 14 | 7.80 | - |
| 2025-05-19 07:00 am | 10.5 | 79.34 | 39.05 | 24.80 | 73.50 | 5.20 | - | 11 | 7.80 | - |
| 2025-05-19 06:45 am | 10.5 | 79.34 | 37.97 | 24.10 | 74.30 | 5.20 | - | 7 | 7.80 | - |
| 2025-05-19 06:30 am | 10.8 | 79.16 | 37.42 | 23.70 | 73.80 | 5.20 | - | 11 | 7.80 | - |
| 2025-05-19 06:15 am | 11.2 | 79.16 | 37.58 | 23.80 | 75.50 | 5.30 | - | 12 | 7.80 | - |
| 2025-05-19 06:00 am | 11.2 | 79.16 | 37.99 | 24.10 | 76.40 | 5.40 | - | 13 | 7.80 | - |
| 2025-05-19 05:45 am | 11.5 | 79.34 | 38.75 | 24.60 | 78.00 | 5.50 | - | 13 | 7.80 | - |
| 2025-05-19 05:30 am | 11.8 | 79.16 | 39.11 | 24.90 | 78.80 | 5.50 | - | 15 | 7.90 | - |
| 2025-05-19 05:15 am | 12.1 | 79.34 | 39.78 | 25.30 | 79.70 | 5.60 | - | 16 | 7.90 | - |
| 2025-05-19 05:00 am | 12.5 | 79.16 | 39.86 | 25.40 | 79.60 | 5.60 | - | 16 | 7.90 | - |
| 2025-05-19 04:45 am | 13.1 | 78.98 | 39.32 | 25.00 | 81.10 | 5.70 | - | 14 | 7.90 | - |
| 2025-05-19 04:30 am | 13.5 | 78.98 | 39.78 | 25.30 | 81.90 | 5.80 | - | 16 | 7.90 | - |
| 2025-05-19 04:15 am | 13.8 | 79.16 | 42.45 | 27.20 | 80.90 | 5.60 | - | 18 | 7.90 | - |
| 2025-05-19 04:00 am | 14.1 | 79.16 | 42.82 | 27.50 | 80.60 | 5.60 | - | 15 | 8.00 | - |
| 2025-05-19 03:45 am | 14.4 | 79.16 | 42.36 | 27.20 | 82.30 | 5.70 | - | 17 | 7.90 | - |
| 2025-05-19 03:30 am | 14.8 | 79.16 | 42.76 | 27.50 | 83.20 | 5.80 | - | 17 | 8.00 | - |
| 2025-05-19 03:15 am | 15.1 | 79.16 | 43.15 | 27.70 | 84.00 | 5.80 | - | 22 | 8.00 | - |
| 2025-05-19 03:00 am | 15.4 | 79.34 | 43.08 | 27.70 | 87.20 | 6.00 | - | 14 | 8.00 | - |
| 2025-05-19 02:45 am | 15.7 | 79.16 | 43.78 | 28.20 | 84.60 | 5.80 | - | 11 | 8.00 | - |
| 2025-05-19 02:30 am | 15.7 | 79.16 | 44.78 | 28.90 | 87.80 | 6.00 | - | 7 | 8.00 | - |
| 2025-05-19 02:15 am | 16.1 | 78.98 | 45.67 | 29.60 | 87.40 | 6.00 | - | 7 | 8.00 | - |
| 2025-05-19 02:00 am | 16.1 | 78.98 | 46.01 | 29.80 | 85.10 | 5.80 | - | 7 | 8.00 | - |
| 2025-05-19 01:45 am | 16.4 | 79.16 | 44.99 | 29.10 | 85.90 | 5.90 | - | 6 | 8.00 | - |
| 2025-05-19 01:30 am | 16.4 | 79.16 | 44.01 | 28.40 | 89.10 | 6.10 | - | 5 | 8.00 | - |
| 2025-05-19 01:15 am | 16.4 | 79.16 | 44.52 | 28.70 | 89.30 | 6.10 | - | 7 | 8.00 | - |
| 2025-05-19 01:00 am | 16.4 | 79.16 | 44.53 | 28.70 | 90.40 | 6.20 | - | 6 | 8.00 | - |
| 2025-05-19 12:45 am | 16.1 | 79.16 | 44.54 | 28.70 | 90.00 | 6.20 | - | 6 | 8.00 | - |
| 2025-05-19 12:30 am | 16.1 | 79.16 | 44.25 | 28.50 | 84.10 | 5.80 | - | 10 | 8.00 | - |
| 2025-05-19 12:15 am | 15.7 | 79.16 | 43.40 | 27.90 | 82.30 | 5.70 | - | 11 | 8.00 | - |
| 2025-05-19 12:00 am | 15.7 | 79.52 | 41.27 | 26.40 | 89.50 | 6.20 | - | 10 | 8.00 | - |
| 2025-05-18 11:45 pm | 15.4 | 79.70 | 41.21 | 26.40 | 88.50 | 6.10 | - | 8 | 8.00 | - |
| 2025-05-18 11:30 pm | 15.1 | 79.16 | 42.11 | 27.00 | 85.10 | 5.90 | - | 9 | 8.00 | - |
| 2025-05-18 11:15 pm | 14.8 | 79.16 | 43.08 | 27.70 | 81.30 | 5.60 | - | 14 | 7.90 | - |
| 2025-05-18 11:00 pm | 14.4 | 78.98 | 43.98 | 28.30 | 79.20 | 5.50 | - | 26 | 7.90 | - |
| 2025-05-18 10:45 pm | 14.1 | 78.80 | 44.63 | 28.80 | 79.80 | 5.50 | - | 42 | 8.00 | - |
| 2025-05-18 10:30 pm | 13.8 | 78.80 | 44.60 | 28.80 | 80.20 | 5.50 | - | 37 | 8.00 | - |
| 2025-05-18 10:15 pm | 13.5 | 78.98 | 43.89 | 28.30 | 80.70 | 5.60 | - | 32 | 8.00 | - |
| 2025-05-18 10:00 pm | 13.1 | 79.16 | 42.38 | 27.20 | 84.40 | 5.90 | - | 13 | 8.00 | - |
| 2025-05-18 09:45 pm | 12.8 | 79.34 | 41.41 | 26.50 | 83.50 | 5.80 | - | 15 | 7.90 | - |
| 2025-05-18 09:30 pm | 12.5 | 79.52 | 40.15 | 25.60 | 82.70 | 5.80 | - | 54 | 7.90 | - |
| 2025-05-18 09:15 pm | 11.8 | 79.16 | 42.31 | 27.10 | 81.10 | 5.60 | - | 37 | 7.90 | - |
| 2025-05-18 09:00 pm | 11.5 | 79.16 | 42.31 | 27.10 | 79.60 | 5.50 | - | 15 | 7.90 | - |
| 2025-05-18 08:45 pm | 11.2 | 79.70 | 39.28 | 25.00 | 83.70 | 5.90 | - | 17 | 7.90 | - |
| 2025-05-18 08:30 pm | 10.8 | 80.42 | 36.04 | 22.70 | 87.80 | 6.20 | - | 9 | 7.80 | - |
| 2025-05-18 08:15 pm | 10.8 | 80.60 | 35.55 | 22.40 | 91.60 | 6.40 | - | 13 | 7.90 | - |
| 2025-05-18 08:00 pm | 10.5 | 80.24 | 36.48 | 23.00 | 88.00 | 6.20 | - | 11 | 7.80 | - |
| 2025-05-18 07:45 pm | 10.2 | 79.88 | 37.81 | 23.90 | 82.30 | 5.80 | - | 11 | 7.80 | - |
| 2025-05-18 07:30 pm | 10.2 | 79.52 | 39.39 | 25.10 | 79.40 | 5.60 | - | 14 | 7.90 | - |
| 2025-05-18 07:15 pm | 10.2 | 79.16 | 40.01 | 25.50 | 74.80 | 5.20 | - | 11 | 7.90 | - |
| 2025-05-18 07:00 pm | 10.2 | 79.34 | 40.28 | 25.70 | 72.70 | 5.10 | - | 10 | 7.80 | - |
| 2025-05-18 06:45 pm | 10.2 | 79.16 | 40.65 | 26.00 | 74.70 | 5.20 | - | 11 | 7.90 | - |
| 2025-05-18 06:30 pm | 10.2 | 79.16 | 40.62 | 25.90 | 76.30 | 5.30 | - | 10 | 7.90 | - |
| 2025-05-18 06:15 pm | 10.5 | 79.16 | 40.64 | 26.00 | 77.60 | 5.40 | - | 12 | 7.90 | - |
| 2025-05-18 06:00 pm | 10.5 | 79.34 | 40.25 | 25.70 | 79.60 | 5.60 | - | 14 | 7.90 | - |
| 2025-05-18 05:45 pm | 10.8 | 79.70 | 38.57 | 24.50 | 84.00 | 5.90 | - | 10 | 7.90 | - |
| 2025-05-18 05:30 pm | 10.8 | 79.70 | 37.92 | 24.00 | 85.50 | 6.00 | - | 10 | 7.90 | - |
| 2025-05-18 05:15 pm | 11.2 | 79.70 | 37.98 | 24.10 | 85.90 | 6.00 | - | 9 | 7.90 | - |
| 2025-05-18 05:00 pm | 11.5 | 79.70 | 38.14 | 24.20 | 86.10 | 6.00 | - | 11 | 7.90 | - |
| 2025-05-18 04:45 pm | 11.8 | 79.70 | 38.31 | 24.30 | 86.50 | 6.10 | - | 13 | 7.90 | - |
| 2025-05-18 04:30 pm | 12.1 | 79.52 | 38.58 | 24.50 | 86.40 | 6.10 | - | 11 | 7.90 | - |
| 2025-05-18 04:15 pm | 12.5 | 79.34 | 39.76 | 25.30 | 84.90 | 5.90 | - | 11 | 7.90 | - |
| 2025-05-18 04:00 pm | 12.8 | 79.34 | 40.24 | 25.70 | 83.30 | 5.80 | - | 15 | 7.90 | - |
| 2025-05-18 03:45 pm | 13.1 | 79.16 | 40.56 | 25.90 | 81.40 | 5.70 | - | 15 | 7.90 | - |
| 2025-05-18 03:30 pm | 13.1 | 79.70 | 38.84 | 24.70 | 89.40 | 6.30 | - | 14 | 7.90 | - |
| 2025-05-18 03:15 pm | 13.5 | 79.34 | 39.93 | 25.40 | 85.70 | 6.00 | - | 24 | 7.90 | - |
| 2025-05-18 03:00 pm | 13.8 | 79.34 | 39.73 | 25.30 | 86.70 | 6.10 | - | 16 | 7.90 | - |
| 2025-05-18 02:45 pm | 14.1 | 79.16 | 41.05 | 26.20 | 85.90 | 6.00 | - | 16 | 7.90 | - |
| 2025-05-18 02:30 pm | 14.4 | 78.98 | 41.44 | 26.50 | 83.60 | 5.80 | - | 16 | 7.90 | - |
| 2025-05-18 02:15 pm | 14.8 | 78.98 | 41.82 | 26.80 | 82.90 | 5.80 | - | 16 | 7.90 | - |
| 2025-05-18 02:00 pm | 15.1 | 78.80 | 43.53 | 28.00 | 79.70 | 5.50 | - | 22 | 7.90 | - |
| 2025-05-18 01:45 pm | 15.1 | 78.62 | 44.95 | 29.00 | 78.50 | 5.40 | - | 27 | 8.00 | - |
| 2025-05-18 01:30 pm | 15.4 | 78.62 | 44.69 | 28.90 | 78.70 | 5.40 | - | 18 | 8.00 | - |
| 2025-05-18 01:15 pm | 15.4 | 78.62 | 45.59 | 29.50 | 77.00 | 5.30 | - | 28 | 8.00 | - |
| 2025-05-18 01:00 pm | 15.4 | 78.62 | 45.62 | 29.50 | 76.40 | 5.30 | - | 27 | 8.00 | - |
| 2025-05-18 12:45 pm | 15.4 | 78.62 | 45.53 | 29.50 | 76.60 | 5.30 | - | 45 | 8.00 | - |
| 2025-05-18 12:30 pm | 15.4 | 78.62 | 45.45 | 29.40 | 75.50 | 5.20 | - | 30 | 8.00 | - |
| 2025-05-18 12:15 pm | 15.1 | 78.62 | 45.46 | 29.40 | 76.20 | 5.30 | - | 35 | 8.00 | - |
| 2025-05-18 12:00 pm | 15.1 | 78.62 | 44.67 | 28.80 | 78.60 | 5.40 | - | 36 | 8.00 | - |
| 2025-05-18 11:45 am | 14.8 | 78.80 | 42.78 | 27.50 | 81.70 | 5.70 | - | 21 | 8.00 | - |
| 2025-05-18 11:30 am | 14.8 | 78.80 | 43.32 | 27.90 | 79.80 | 5.50 | - | 31 | 7.90 | - |
| 2025-05-18 11:15 am | 14.4 | 78.80 | 42.66 | 27.40 | 80.90 | 5.60 | - | 29 | 7.90 | - |
| 2025-05-18 11:00 am | 14.1 | 78.80 | 42.91 | 27.60 | 78.90 | 5.50 | - | 76 | 7.90 | - |
| 2025-05-18 10:45 am | 13.8 | 78.80 | 42.84 | 27.50 | 80.30 | 5.60 | - | 56 | 7.90 | - |
| 2025-05-18 10:30 am | 13.5 | 78.80 | 41.40 | 26.50 | 81.20 | 5.70 | - | 27 | 7.90 | - |
| 2025-05-18 10:15 am | 13.1 | 78.80 | 40.66 | 26.00 | 82.60 | 5.80 | - | 15 | 7.90 | - |
| 2025-05-18 10:00 am | 12.8 | 78.80 | 41.03 | 26.20 | 82.00 | 5.70 | - | 24 | 7.90 | - |
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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