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): | 16.1 ft |
 Ocean Temperature (OTMP): | 55.58 °F |
| Conductivity (COND): | 46.31 mS/cm |
| Salinity (SAL): | 30.00 psu |
| Oxygen Saturation (O2PCT): | 94.2% |
| Oxygen Concentration (O2PPM): | 8.20 ppm |
| Turbidity (TURB): | 17 FTU |
| pH (PH): | 7.80 |
| TIME (EST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-12 02:45 pm | 16.1 | 55.40 | 46.59 | 30.20 | 94.00 | 8.20 | - | 11 | 7.80 | - |
| 2025-12-12 02:30 pm | 16.1 | 55.40 | 46.57 | 30.20 | 94.00 | 8.20 | - | 21 | 7.80 | - |
| 2025-12-12 02:15 pm | 16.1 | 55.40 | 46.44 | 30.10 | 93.50 | 8.20 | - | 58 | 7.80 | - |
| 2025-12-12 02:00 pm | 16.1 | 55.40 | 46.28 | 30.00 | 93.10 | 8.10 | - | 47 | 7.80 | - |
| 2025-12-12 01:45 pm | 16.1 | 55.40 | 46.01 | 29.80 | 91.60 | 8.00 | - | 80 | 7.80 | - |
| 2025-12-12 01:30 pm | 15.7 | 55.40 | 45.86 | 29.70 | 91.10 | 8.00 | - | 34 | 7.80 | - |
| 2025-12-12 01:15 pm | 15.7 | 55.40 | 45.80 | 29.70 | 91.40 | 8.00 | - | 37 | 7.80 | - |
| 2025-12-12 01:00 pm | 15.4 | 55.40 | 45.73 | 29.60 | 91.90 | 8.10 | - | 40 | 7.80 | - |
| 2025-12-12 12:45 pm | 15.1 | 55.40 | 45.67 | 29.60 | 92.30 | 8.10 | - | 47 | 7.80 | - |
| 2025-12-12 12:30 pm | 14.8 | 55.40 | 45.32 | 29.30 | 92.60 | 8.10 | - | 27 | 7.80 | - |
| 2025-12-12 12:15 pm | 14.4 | 55.40 | 45.26 | 29.30 | 92.30 | 8.10 | - | 12 | 7.80 | - |
| 2025-12-12 12:00 pm | 14.1 | 55.22 | 45.24 | 29.30 | 91.20 | 8.00 | - | 14 | 7.70 | - |
| 2025-12-12 11:45 am | 13.8 | 55.40 | 45.32 | 29.30 | 89.60 | 7.90 | - | 17 | 7.70 | - |
| 2025-12-12 11:30 am | 13.5 | 55.40 | 45.33 | 29.30 | 89.50 | 7.90 | - | 35 | 7.70 | - |
| 2025-12-12 11:15 am | 13.1 | 55.40 | 45.15 | 29.20 | 89.40 | 7.90 | - | 35 | 7.70 | - |
| 2025-12-12 11:00 am | 13.1 | 55.22 | 44.60 | 28.80 | 90.00 | 7.90 | - | 25 | 7.70 | - |
| 2025-12-12 10:45 am | 12.8 | 55.04 | 44.61 | 28.80 | 90.10 | 8.00 | - | 10 | 7.70 | - |
| 2025-12-12 10:30 am | 12.1 | 55.22 | 44.35 | 28.60 | 90.40 | 8.00 | - | 10 | 7.70 | - |
| 2025-12-12 10:15 am | 11.8 | 55.04 | 44.85 | 29.00 | 89.20 | 7.90 | - | 11 | 7.70 | - |
| 2025-12-12 10:00 am | 11.5 | 55.04 | 44.67 | 28.80 | 89.10 | 7.90 | - | 12 | 7.70 | - |
| 2025-12-12 09:45 am | 11.2 | 55.22 | 44.47 | 28.70 | 89.90 | 7.90 | - | 6 | 7.70 | - |
| 2025-12-12 09:30 am | 10.8 | 55.22 | 44.48 | 28.70 | 89.50 | 7.90 | - | 6 | 7.70 | - |
| 2025-12-12 09:15 am | 10.8 | 55.04 | 44.49 | 28.70 | 88.90 | 7.90 | - | 8 | 7.70 | - |
| 2025-12-12 09:00 am | 10.5 | 55.04 | 44.50 | 28.70 | 88.70 | 7.80 | - | 9 | 7.70 | - |
| 2025-12-12 08:45 am | 10.5 | 55.04 | 44.50 | 28.70 | 87.80 | 7.80 | - | 6 | 7.60 | - |
| 2025-12-12 08:30 am | 10.5 | 55.04 | 44.51 | 28.70 | 87.20 | 7.70 | - | 6 | 7.60 | - |
| 2025-12-12 08:15 am | 10.5 | 55.04 | 44.50 | 28.70 | 88.10 | 7.80 | - | 6 | 7.70 | - |
| 2025-12-12 08:00 am | 10.5 | 55.04 | 44.49 | 28.70 | 88.20 | 7.80 | - | 7 | 7.70 | - |
| 2025-12-12 07:45 am | 10.8 | 55.04 | 44.48 | 28.70 | 88.40 | 7.80 | - | 7 | 7.70 | - |
| 2025-12-12 07:30 am | 11.2 | 55.04 | 44.48 | 28.70 | 88.40 | 7.80 | - | 8 | 7.70 | - |
| 2025-12-12 07:15 am | 11.2 | 55.04 | 44.48 | 28.70 | 88.50 | 7.80 | - | 7 | 7.70 | - |
| 2025-12-12 07:00 am | 11.5 | 55.04 | 44.50 | 28.70 | 88.40 | 7.80 | - | 7 | 7.70 | - |
| 2025-12-12 06:45 am | 11.8 | 55.04 | 44.52 | 28.70 | 88.90 | 7.90 | - | 8 | 7.70 | - |
| 2025-12-12 06:30 am | 11.8 | 55.04 | 44.57 | 28.80 | 89.10 | 7.90 | - | 7 | 7.70 | - |
| 2025-12-12 06:15 am | 12.1 | 55.04 | 44.64 | 28.80 | 89.20 | 7.90 | - | 7 | 7.70 | - |
| 2025-12-12 06:00 am | 12.5 | 55.22 | 44.71 | 28.90 | 89.40 | 7.90 | - | 8 | 7.70 | - |
| 2025-12-12 05:45 am | 12.8 | 55.04 | 44.81 | 28.90 | 89.50 | 7.90 | - | 11 | 7.70 | - |
| 2025-12-12 05:30 am | 13.1 | 55.04 | 44.90 | 29.00 | 89.70 | 7.90 | - | 11 | 7.70 | - |
| 2025-12-12 05:15 am | 13.5 | 55.22 | 44.96 | 29.10 | 89.90 | 7.90 | - | 13 | 7.70 | - |
| 2025-12-12 05:00 am | 13.8 | 55.04 | 44.99 | 29.10 | 89.90 | 7.90 | - | 16 | 7.70 | - |
| 2025-12-12 04:45 am | 14.1 | 55.04 | 45.03 | 29.10 | 90.10 | 8.00 | - | 16 | 7.70 | - |
| 2025-12-12 04:30 am | 14.4 | 55.04 | 45.07 | 29.10 | 90.40 | 8.00 | - | 14 | 7.70 | - |
| 2025-12-12 04:15 am | 14.8 | 55.04 | 45.24 | 29.30 | 90.10 | 7.90 | - | 24 | 7.70 | - |
| 2025-12-12 04:00 am | 14.8 | 55.40 | 45.60 | 29.50 | 90.60 | 7.90 | - | 23 | 7.80 | - |
| 2025-12-12 03:45 am | 15.1 | 55.40 | 45.64 | 29.50 | 90.60 | 8.00 | - | 21 | 7.80 | - |
| 2025-12-12 03:30 am | 15.4 | 55.40 | 45.77 | 29.60 | 90.90 | 8.00 | - | 20 | 7.80 | - |
| 2025-12-12 03:15 am | 15.7 | 55.58 | 46.06 | 29.90 | 91.10 | 8.00 | - | 18 | 7.80 | - |
| 2025-12-12 03:00 am | 15.7 | 55.58 | 46.19 | 29.90 | 91.30 | 8.00 | - | 13 | 7.80 | - |
| 2025-12-12 02:45 am | 15.7 | 55.58 | 46.36 | 30.10 | 91.40 | 8.00 | - | 14 | 7.80 | - |
| 2025-12-12 02:30 am | 16.1 | 55.58 | 46.48 | 30.20 | 91.40 | 8.00 | - | 12 | 7.80 | - |
| 2025-12-12 02:15 am | 16.1 | 55.58 | 46.48 | 30.20 | 92.10 | 8.00 | - | 14 | 7.80 | - |
| 2025-12-12 02:00 am | 16.1 | 55.58 | 46.44 | 30.10 | 92.10 | 8.00 | - | 22 | 7.80 | - |
| 2025-12-12 01:45 am | 16.1 | 55.58 | 46.37 | 30.10 | 92.10 | 8.00 | - | 21 | 7.80 | - |
| 2025-12-12 01:30 am | 16.1 | 55.58 | 46.32 | 30.00 | 92.10 | 8.00 | - | 31 | 7.80 | - |
| 2025-12-12 01:15 am | 15.7 | 55.58 | 46.20 | 30.00 | 92.00 | 8.00 | - | 42 | 7.80 | - |
| 2025-12-12 01:00 am | 15.7 | 55.58 | 45.96 | 29.80 | 91.80 | 8.00 | - | 54 | 7.80 | - |
| 2025-12-12 12:45 am | 15.4 | 55.76 | 45.77 | 29.70 | 91.60 | 8.00 | - | 45 | 7.80 | - |
| 2025-12-12 12:30 am | 15.1 | 55.76 | 45.70 | 29.60 | 91.60 | 8.00 | - | 30 | 7.70 | - |
| 2025-12-12 12:15 am | 15.1 | 55.58 | 45.49 | 29.40 | 91.50 | 8.00 | - | 32 | 7.70 | - |
| 2025-12-12 12:00 am | 14.8 | 55.40 | 45.07 | 29.10 | 91.00 | 8.00 | - | 13 | 7.70 | - |
| 2025-12-11 11:45 pm | 14.4 | 55.58 | 45.24 | 29.30 | 91.00 | 8.00 | - | 21 | 7.70 | - |
| 2025-12-11 11:30 pm | 14.1 | 55.76 | 45.37 | 29.40 | 91.00 | 8.00 | - | 16 | 7.70 | - |
| 2025-12-11 11:15 pm | 13.8 | 55.94 | 45.24 | 29.30 | 90.90 | 7.90 | - | 11 | 7.70 | - |
| 2025-12-11 11:00 pm | 13.5 | 55.76 | 45.26 | 29.30 | 90.80 | 7.90 | - | 18 | 7.70 | - |
| 2025-12-11 10:45 pm | 13.1 | 55.94 | 45.29 | 29.30 | 90.90 | 7.90 | - | 36 | 7.70 | - |
| 2025-12-11 10:30 pm | 12.8 | 55.94 | 45.00 | 29.10 | 90.80 | 7.90 | - | 47 | 7.70 | - |
| 2025-12-11 10:15 pm | 12.1 | 55.76 | 44.49 | 28.70 | 90.70 | 8.00 | - | 15 | 7.70 | - |
| 2025-12-11 10:00 pm | 11.8 | 55.58 | 44.26 | 28.60 | 90.60 | 8.00 | - | 9 | 7.70 | - |
| 2025-12-11 09:45 pm | 11.5 | 55.58 | 44.51 | 28.70 | 90.60 | 8.00 | - | 9 | 7.70 | - |
| 2025-12-11 09:30 pm | 11.2 | 55.76 | 44.67 | 28.90 | 90.70 | 8.00 | - | 9 | 7.70 | - |
| 2025-12-11 09:15 pm | 10.8 | 55.76 | 44.57 | 28.80 | 90.70 | 8.00 | - | 5 | 7.70 | - |
| 2025-12-11 09:00 pm | 10.5 | 55.76 | 44.57 | 28.80 | 90.50 | 7.90 | - | 5 | 7.70 | - |
| 2025-12-11 08:45 pm | 10.5 | 55.76 | 44.57 | 28.80 | 90.70 | 8.00 | - | 5 | 7.70 | - |
| 2025-12-11 08:30 pm | 10.2 | 55.94 | 44.56 | 28.80 | 90.70 | 7.90 | - | 5 | 7.70 | - |
| 2025-12-11 08:15 pm | 10.2 | 55.94 | 44.56 | 28.80 | 90.80 | 8.00 | - | 5 | 7.70 | - |
| 2025-12-11 08:00 pm | 10.2 | 55.76 | 44.56 | 28.80 | 90.20 | 7.90 | - | 6 | 7.70 | - |
| 2025-12-11 07:45 pm | 9.8 | 55.76 | 44.56 | 28.80 | 90.40 | 7.90 | - | 7 | 7.70 | - |
| 2025-12-11 07:30 pm | 10.2 | 55.94 | 44.56 | 28.80 | 90.10 | 7.90 | - | 7 | 7.70 | - |
| 2025-12-11 07:15 pm | 10.2 | 55.94 | 44.56 | 28.80 | 90.60 | 7.90 | - | 7 | 7.70 | - |
| 2025-12-11 07:00 pm | 10.2 | 55.94 | 44.56 | 28.80 | 90.80 | 8.00 | - | 10 | 7.70 | - |
| 2025-12-11 06:45 pm | 10.5 | 55.94 | 44.57 | 28.80 | 91.00 | 8.00 | - | 10 | 7.70 | - |
| 2025-12-11 06:30 pm | 10.5 | 55.94 | 44.58 | 28.80 | 91.30 | 8.00 | - | 12 | 7.70 | - |
| 2025-12-11 06:15 pm | 10.8 | 55.94 | 44.59 | 28.80 | 91.30 | 8.00 | - | 14 | 7.70 | - |
| 2025-12-11 06:00 pm | 11.2 | 55.94 | 44.62 | 28.80 | 91.50 | 8.00 | - | 15 | 7.70 | - |
| 2025-12-11 05:45 pm | 11.5 | 55.94 | 44.64 | 28.80 | 91.70 | 8.00 | - | 15 | 7.70 | - |
| 2025-12-11 05:30 pm | 11.8 | 55.94 | 44.69 | 28.90 | 91.90 | 8.00 | - | 16 | 7.70 | - |
| 2025-12-11 05:15 pm | 12.1 | 55.94 | 44.72 | 28.90 | 92.20 | 8.10 | - | 18 | 7.70 | - |
| 2025-12-11 05:00 pm | 12.5 | 56.12 | 44.81 | 29.00 | 92.50 | 8.10 | - | 20 | 7.70 | - |
| 2025-12-11 04:45 pm | 12.8 | 56.12 | 44.89 | 29.00 | 92.90 | 8.10 | - | 22 | 7.70 | - |
| 2025-12-11 04:30 pm | 13.5 | 56.12 | 45.04 | 29.10 | 93.10 | 8.10 | - | 26 | 7.70 | - |
| 2025-12-11 04:15 pm | 13.8 | 56.12 | 45.14 | 29.20 | 93.20 | 8.10 | - | 26 | 7.70 | - |
| 2025-12-11 04:00 pm | 14.1 | 55.94 | 45.25 | 29.30 | 93.30 | 8.10 | - | 28 | 7.70 | - |
Historical data for station SAQG1 are available at the NERRS website.
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