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): | 10.5 ft |
 Ocean Temperature (OTMP): | 52.88 °F |
| Conductivity (COND): | 43.95 mS/cm |
| Salinity (SAL): | 28.30 psu |
| Oxygen Saturation (O2PCT): | 96.0% |
| Oxygen Concentration (O2PPM): | 8.70 ppm |
| Turbidity (TURB): | 4 FTU |
| pH (PH): | 7.70 |
| TIME (EST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-15 11:45 pm | 10.5 | 52.70 | 43.96 | 28.30 | 95.70 | 8.70 | - | 5 | 7.70 | - |
| 2025-12-15 11:30 pm | 10.5 | 52.70 | 43.94 | 28.30 | 95.80 | 8.70 | - | 8 | 7.70 | - |
| 2025-12-15 11:15 pm | 10.5 | 52.88 | 43.95 | 28.30 | 96.30 | 8.80 | - | 6 | 7.70 | - |
| 2025-12-15 11:00 pm | 10.8 | 52.88 | 43.95 | 28.30 | 96.60 | 8.80 | - | 7 | 7.70 | - |
| 2025-12-15 10:45 pm | 10.8 | 52.88 | 43.97 | 28.30 | 96.80 | 8.80 | - | 5 | 7.70 | - |
| 2025-12-15 10:30 pm | 11.2 | 53.06 | 43.98 | 28.30 | 97.00 | 8.80 | - | 6 | 7.70 | - |
| 2025-12-15 10:15 pm | 11.5 | 53.06 | 44.00 | 28.30 | 97.30 | 8.80 | - | 6 | 7.70 | - |
| 2025-12-15 10:00 pm | 11.5 | 53.06 | 44.05 | 28.40 | 97.60 | 8.90 | - | 6 | 7.70 | - |
| 2025-12-15 09:45 pm | 11.8 | 53.24 | 44.10 | 28.40 | 97.80 | 8.90 | - | 7 | 7.80 | - |
| 2025-12-15 09:30 pm | 12.1 | 53.24 | 44.15 | 28.40 | 97.80 | 8.90 | - | 9 | 7.80 | - |
| 2025-12-15 09:15 pm | 12.5 | 53.42 | 44.20 | 28.50 | 97.80 | 8.80 | - | 10 | 7.80 | - |
| 2025-12-15 09:00 pm | 12.8 | 53.42 | 44.26 | 28.50 | 97.70 | 8.80 | - | 10 | 7.80 | - |
| 2025-12-15 08:45 pm | 13.1 | 53.60 | 44.33 | 28.60 | 97.80 | 8.80 | - | 10 | 7.80 | - |
| 2025-12-15 08:30 pm | 13.5 | 53.60 | 44.40 | 28.60 | 97.80 | 8.80 | - | 11 | 7.80 | - |
| 2025-12-15 08:15 pm | 13.8 | 53.78 | 44.48 | 28.70 | 97.80 | 8.80 | - | 10 | 7.80 | - |
| 2025-12-15 08:00 pm | 14.1 | 53.78 | 44.55 | 28.70 | 97.40 | 8.70 | - | 14 | 7.80 | - |
| 2025-12-15 07:45 pm | 14.4 | 53.96 | 44.63 | 28.80 | 97.70 | 8.80 | - | 18 | 7.80 | - |
| 2025-12-15 07:30 pm | 14.8 | 53.96 | 44.60 | 28.80 | 98.00 | 8.80 | - | 12 | 7.80 | - |
| 2025-12-15 07:15 pm | 15.1 | 54.14 | 44.63 | 28.80 | 98.60 | 8.80 | - | 10 | 7.80 | - |
| 2025-12-15 07:00 pm | 15.4 | 54.14 | 44.83 | 28.90 | 98.30 | 8.80 | - | 10 | 7.80 | - |
| 2025-12-15 06:45 pm | 15.7 | 54.32 | 45.09 | 29.10 | 98.50 | 8.80 | - | 10 | 7.80 | - |
| 2025-12-15 06:30 pm | 15.7 | 54.68 | 46.13 | 29.90 | 97.70 | 8.60 | - | 10 | 7.90 | - |
| 2025-12-15 06:15 pm | 16.1 | 55.04 | 47.44 | 30.80 | 96.20 | 8.40 | - | 11 | 7.90 | - |
| 2025-12-15 06:00 pm | 16.1 | 55.04 | 46.94 | 30.50 | 97.20 | 8.50 | - | 8 | 7.90 | - |
| 2025-12-15 05:45 pm | 16.1 | 55.04 | 47.22 | 30.70 | 96.10 | 8.40 | - | 14 | 7.90 | - |
| 2025-12-15 05:30 pm | 16.1 | 55.04 | 47.14 | 30.60 | 97.40 | 8.50 | - | 16 | 7.90 | - |
| 2025-12-15 05:15 pm | 16.1 | 55.04 | 47.16 | 30.60 | 97.60 | 8.50 | - | 20 | 7.90 | - |
| 2025-12-15 05:00 pm | 16.1 | 55.04 | 46.37 | 30.10 | 97.50 | 8.60 | - | 52 | 7.90 | - |
| 2025-12-15 04:45 pm | 16.1 | 54.68 | 45.44 | 29.40 | 98.60 | 8.70 | - | 20 | 7.80 | - |
| 2025-12-15 04:30 pm | 15.7 | 54.32 | 44.62 | 28.80 | 100.80 | 9.00 | - | 6 | 7.80 | - |
| 2025-12-15 04:15 pm | 15.7 | 54.32 | 44.54 | 28.70 | 100.40 | 9.00 | - | 6 | 7.80 | - |
| 2025-12-15 04:00 pm | 15.4 | 54.14 | 44.45 | 28.70 | 99.60 | 8.90 | - | 8 | 7.80 | - |
| 2025-12-15 03:45 pm | 15.1 | 54.14 | 44.48 | 28.70 | 99.00 | 8.80 | - | 7 | 7.80 | - |
| 2025-12-15 03:30 pm | 15.1 | 54.32 | 44.64 | 28.80 | 98.60 | 8.80 | - | 8 | 7.80 | - |
| 2025-12-15 03:15 pm | 14.8 | 54.32 | 44.66 | 28.80 | 97.70 | 8.70 | - | 10 | 7.80 | - |
| 2025-12-15 03:00 pm | 14.4 | 54.14 | 44.58 | 28.80 | 97.90 | 8.80 | - | 8 | 7.80 | - |
| 2025-12-15 02:45 pm | 14.4 | 54.50 | 44.84 | 29.00 | 96.50 | 8.60 | - | 12 | 7.80 | - |
| 2025-12-15 02:30 pm | 14.1 | 54.14 | 44.54 | 28.70 | 96.60 | 8.60 | - | 17 | 7.70 | - |
| 2025-12-15 02:15 pm | 13.8 | 53.78 | 44.15 | 28.40 | 99.20 | 8.90 | - | 9 | 7.70 | - |
| 2025-12-15 02:00 pm | 13.5 | 53.78 | 44.20 | 28.50 | 99.40 | 8.90 | - | 7 | 7.80 | - |
| 2025-12-15 01:45 pm | 13.1 | 53.78 | 44.21 | 28.50 | 99.00 | 8.90 | - | 7 | 7.80 | - |
| 2025-12-15 01:30 pm | 13.1 | 53.78 | 44.17 | 28.50 | 98.30 | 8.80 | - | 13 | 7.80 | - |
| 2025-12-15 01:15 pm | 12.8 | 53.78 | 44.09 | 28.40 | 97.30 | 8.80 | - | 10 | 7.70 | - |
| 2025-12-15 01:00 pm | 12.5 | 53.78 | 43.93 | 28.30 | 97.80 | 8.80 | - | 6 | 7.70 | - |
| 2025-12-15 12:45 pm | 12.1 | 53.78 | 43.91 | 28.30 | 97.20 | 8.80 | - | 6 | 7.70 | - |
| 2025-12-15 12:30 pm | 12.1 | 53.78 | 43.90 | 28.30 | 96.80 | 8.70 | - | 5 | 7.70 | - |
| 2025-12-15 12:15 pm | 11.8 | 53.78 | 43.87 | 28.20 | 96.60 | 8.70 | - | 7 | 7.70 | - |
| 2025-12-15 12:00 pm | 11.8 | 53.42 | 44.51 | 28.70 | 97.10 | 8.80 | - | 12 | 7.80 | - |
| 2025-12-15 11:45 am | 11.8 | 53.60 | 44.51 | 28.70 | 96.10 | 8.70 | - | 14 | 7.80 | - |
| 2025-12-15 11:30 am | 11.8 | 53.60 | 44.52 | 28.70 | 96.30 | 8.70 | - | 14 | 7.80 | - |
| 2025-12-15 11:15 am | 11.8 | 53.60 | 44.52 | 28.70 | 95.80 | 8.60 | - | 11 | 7.80 | - |
| 2025-12-15 11:00 am | 12.1 | 53.60 | 44.53 | 28.70 | 96.00 | 8.60 | - | 8 | 7.80 | - |
| 2025-12-15 10:45 am | 12.1 | 53.60 | 44.56 | 28.70 | 96.00 | 8.60 | - | 11 | 7.80 | - |
| 2025-12-15 10:30 am | 12.5 | 53.60 | 44.58 | 28.80 | 96.10 | 8.70 | - | 12 | 7.80 | - |
| 2025-12-15 10:15 am | 12.5 | 53.60 | 44.61 | 28.80 | 96.00 | 8.60 | - | 13 | 7.80 | - |
| 2025-12-15 10:00 am | 12.8 | 53.78 | 44.69 | 28.80 | 95.70 | 8.60 | - | 12 | 7.80 | - |
| 2025-12-15 09:45 am | 13.1 | 53.78 | 44.75 | 28.90 | 95.60 | 8.60 | - | 17 | 7.80 | - |
| 2025-12-15 09:30 am | 13.5 | 53.78 | 44.78 | 28.90 | 95.60 | 8.60 | - | 30 | 7.80 | - |
| 2025-12-15 09:15 am | 13.5 | 53.78 | 44.83 | 28.90 | 95.60 | 8.60 | - | 22 | 7.80 | - |
| 2025-12-15 09:00 am | 13.8 | 53.96 | 44.88 | 29.00 | 95.60 | 8.60 | - | 22 | 7.80 | - |
| 2025-12-15 08:45 am | 14.1 | 53.96 | 44.96 | 29.00 | 95.70 | 8.60 | - | 24 | 7.80 | - |
| 2025-12-15 08:30 am | 14.4 | 54.14 | 45.04 | 29.10 | 95.90 | 8.60 | - | 24 | 7.80 | - |
| 2025-12-15 08:15 am | 14.8 | 54.32 | 45.15 | 29.20 | 96.20 | 8.60 | - | 30 | 7.90 | - |
| 2025-12-15 08:00 am | 15.1 | 54.32 | 45.32 | 29.30 | 96.40 | 8.60 | - | 29 | 7.90 | - |
| 2025-12-15 07:45 am | 15.4 | 54.50 | 45.48 | 29.40 | 96.50 | 8.60 | - | 35 | 7.90 | - |
| 2025-12-15 07:30 am | 15.7 | 54.68 | 45.81 | 29.70 | 97.00 | 8.60 | - | 36 | 7.90 | - |
| 2025-12-15 07:15 am | 16.1 | 55.04 | 46.15 | 29.90 | 97.30 | 8.60 | - | 33 | 7.90 | - |
| 2025-12-15 07:00 am | 16.4 | 55.22 | 46.47 | 30.10 | 98.00 | 8.60 | - | 27 | 8.00 | - |
| 2025-12-15 06:45 am | 16.4 | 55.58 | 46.76 | 30.40 | 98.40 | 8.60 | - | 26 | 8.00 | - |
| 2025-12-15 06:30 am | 16.7 | 55.94 | 47.40 | 30.80 | 98.80 | 8.50 | - | 18 | 8.00 | - |
| 2025-12-15 06:15 am | 17.1 | 56.12 | 47.73 | 31.10 | 99.00 | 8.50 | - | 14 | 8.00 | - |
| 2025-12-15 06:00 am | 17.1 | 56.12 | 47.91 | 31.20 | 98.70 | 8.50 | - | 14 | 8.00 | - |
| 2025-12-15 05:45 am | 17.1 | 56.66 | 48.69 | 31.80 | 99.00 | 8.40 | - | 12 | 8.00 | - |
| 2025-12-15 05:30 am | 17.4 | 56.84 | 48.88 | 31.90 | 99.70 | 8.50 | - | 20 | 8.10 | - |
| 2025-12-15 05:15 am | 17.4 | 56.84 | 48.81 | 31.90 | 99.70 | 8.50 | - | 35 | 8.00 | - |
| 2025-12-15 05:00 am | 17.1 | 56.84 | 48.67 | 31.80 | 99.90 | 8.50 | - | 41 | 8.00 | - |
| 2025-12-15 04:45 am | 17.1 | 56.84 | 48.50 | 31.60 | 100.10 | 8.50 | - | 51 | 8.00 | - |
| 2025-12-15 04:30 am | 17.1 | 56.48 | 47.61 | 31.00 | 100.10 | 8.60 | - | 29 | 8.00 | - |
| 2025-12-15 04:15 am | 17.1 | 56.30 | 46.91 | 30.50 | 99.90 | 8.60 | - | 35 | 8.00 | - |
| 2025-12-15 04:00 am | 17.1 | 56.30 | 46.69 | 30.30 | 99.80 | 8.60 | - | 38 | 8.00 | - |
| 2025-12-15 03:45 am | 16.7 | 55.94 | 45.98 | 29.80 | 99.00 | 8.60 | - | 49 | 7.90 | - |
| 2025-12-15 03:30 am | 16.4 | 55.94 | 45.88 | 29.70 | 99.00 | 8.60 | - | 31 | 7.90 | - |
| 2025-12-15 03:15 am | 16.4 | 55.76 | 45.57 | 29.50 | 98.30 | 8.60 | - | 40 | 7.90 | - |
| 2025-12-15 03:00 am | 16.1 | 55.40 | 45.22 | 29.20 | 97.50 | 8.60 | - | 37 | 7.90 | - |
| 2025-12-15 02:45 am | 15.7 | 55.22 | 45.07 | 29.10 | 97.30 | 8.60 | - | 35 | 7.80 | - |
| 2025-12-15 02:30 am | 15.4 | 55.40 | 44.96 | 29.10 | 96.90 | 8.50 | - | 46 | 7.80 | - |
| 2025-12-15 02:15 am | 15.1 | 55.40 | 44.93 | 29.00 | 96.90 | 8.50 | - | 62 | 7.80 | - |
| 2025-12-15 02:00 am | 14.8 | 55.22 | 44.75 | 28.90 | 96.80 | 8.50 | - | 25 | 7.80 | - |
| 2025-12-15 01:45 am | 14.1 | 55.40 | 44.77 | 28.90 | 96.90 | 8.50 | - | 13 | 7.80 | - |
| 2025-12-15 01:30 am | 13.8 | 55.58 | 44.78 | 28.90 | 97.10 | 8.50 | - | 19 | 7.80 | - |
| 2025-12-15 01:15 am | 13.5 | 55.22 | 44.36 | 28.60 | 97.00 | 8.60 | - | 9 | 7.80 | - |
| 2025-12-15 01:00 am | 13.1 | 55.40 | 44.30 | 28.60 | 97.00 | 8.60 | - | 10 | 7.80 | - |
| 2025-12-15 12:45 am | 12.8 | 55.58 | 44.37 | 28.60 | 97.00 | 8.50 | - | 11 | 7.80 | - |
| 2025-12-15 12:30 am | 12.5 | 55.58 | 44.30 | 28.60 | 96.90 | 8.50 | - | 12 | 7.80 | - |
| 2025-12-15 12:15 am | 12.1 | 55.76 | 44.23 | 28.50 | 96.90 | 8.50 | - | 12 | 7.80 | - |
| 2025-12-15 12:00 am | 11.8 | 55.94 | 44.18 | 28.50 | 96.80 | 8.50 | - | 12 | 7.80 | - |
Historical data for station SAQG1 are available at the NERRS website.
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