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): | 53.78 °F |
| Conductivity (COND): | 44.60 mS/cm |
| Salinity (SAL): | 28.80 psu |
| Oxygen Saturation (O2PCT): | 90.1% |
| Oxygen Concentration (O2PPM): | 8.10 ppm |
| Turbidity (TURB): | 50 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-01 09:45 am | 12.5 | 53.78 | 44.74 | 28.90 | 90.60 | 8.10 | - | 51 | 7.80 | - |
| 2026-01-01 09:30 am | 12.8 | 53.96 | 45.02 | 29.10 | 91.30 | 8.20 | - | 54 | 7.80 | - |
| 2026-01-01 09:15 am | 13.5 | 53.96 | 45.29 | 29.30 | 91.60 | 8.20 | - | 56 | 7.80 | - |
| 2026-01-01 09:00 am | 13.8 | 53.96 | 45.57 | 29.50 | 92.00 | 8.20 | - | 55 | 7.90 | - |
| 2026-01-01 08:45 am | 14.4 | 53.96 | 46.00 | 29.80 | 92.80 | 8.30 | - | 52 | 7.90 | - |
| 2026-01-01 08:30 am | 14.8 | 53.78 | 46.62 | 30.20 | 93.20 | 8.30 | - | 49 | 7.90 | - |
| 2026-01-01 08:15 am | 15.4 | 53.78 | 47.05 | 30.50 | 93.80 | 8.30 | - | 41 | 7.90 | - |
| 2026-01-01 08:00 am | 15.7 | 53.78 | 47.13 | 30.60 | 94.20 | 8.40 | - | 48 | 7.90 | - |
| 2026-01-01 07:45 am | 16.1 | 53.96 | 47.11 | 30.60 | 95.30 | 8.50 | - | 48 | 7.90 | - |
| 2026-01-01 07:30 am | 16.4 | 53.78 | 46.97 | 30.50 | 95.00 | 8.40 | - | 25 | 7.90 | - |
| 2026-01-01 07:15 am | 17.1 | 53.96 | 46.98 | 30.50 | 95.40 | 8.50 | - | 23 | 7.90 | - |
| 2026-01-01 07:00 am | 17.1 | 53.96 | 46.99 | 30.50 | 95.60 | 8.50 | - | 17 | 8.00 | - |
| 2026-01-01 06:45 am | 17.4 | 53.78 | 46.94 | 30.40 | 94.50 | 8.40 | - | 11 | 8.00 | - |
| 2026-01-01 06:30 am | 17.4 | 53.96 | 47.14 | 30.60 | 96.00 | 8.50 | - | 13 | 8.00 | - |
| 2026-01-01 06:15 am | 17.4 | 53.96 | 47.18 | 30.60 | 96.50 | 8.50 | - | 20 | 8.00 | - |
| 2026-01-01 06:00 am | 17.7 | 54.32 | 47.31 | 30.70 | 95.70 | 8.40 | - | 22 | 8.00 | - |
| 2026-01-01 05:45 am | 17.4 | 54.14 | 47.31 | 30.70 | 96.50 | 8.50 | - | 33 | 8.00 | - |
| 2026-01-01 05:30 am | 17.4 | 54.32 | 47.55 | 30.90 | 96.80 | 8.50 | - | 35 | 8.00 | - |
| 2026-01-01 05:15 am | 17.4 | 54.50 | 47.65 | 31.00 | 96.40 | 8.50 | - | 48 | 8.00 | - |
| 2026-01-01 05:00 am | 17.1 | 54.68 | 47.56 | 30.90 | 96.20 | 8.40 | - | 71 | 8.00 | - |
| 2026-01-01 04:45 am | 17.1 | 54.68 | 47.20 | 30.70 | 95.80 | 8.40 | - | 75 | 7.90 | - |
| 2026-01-01 04:30 am | 16.7 | 54.68 | 46.67 | 30.30 | 95.30 | 8.40 | - | 88 | 7.90 | - |
| 2026-01-01 04:15 am | 16.4 | 54.86 | 46.19 | 29.90 | 94.60 | 8.30 | - | 82 | 7.90 | - |
| 2026-01-01 04:00 am | 15.7 | 54.86 | 45.84 | 29.70 | 94.20 | 8.30 | - | 118 | 7.90 | - |
| 2026-01-01 03:45 am | 15.1 | 55.04 | 45.45 | 29.40 | 94.10 | 8.30 | - | 140 | 7.90 | - |
| 2026-01-01 03:30 am | 14.8 | 54.68 | 45.01 | 29.10 | 93.40 | 8.30 | - | 45 | 7.80 | - |
| 2026-01-01 03:15 am | 14.1 | 54.86 | 44.97 | 29.10 | 93.10 | 8.20 | - | 96 | 7.80 | - |
| 2026-01-01 03:00 am | 13.5 | 54.86 | 44.61 | 28.80 | 92.80 | 8.20 | - | 129 | 7.80 | - |
| 2026-01-01 02:45 am | 13.1 | 55.04 | 44.44 | 28.70 | 92.40 | 8.20 | - | 70 | 7.80 | - |
| 2026-01-01 02:30 am | 12.5 | 54.86 | 44.22 | 28.50 | 92.30 | 8.20 | - | 52 | 7.80 | - |
| 2026-01-01 02:15 am | 11.8 | 55.04 | 44.08 | 28.40 | 92.20 | 8.20 | - | 35 | 7.80 | - |
| 2026-01-01 02:00 am | 11.2 | 54.86 | 43.88 | 28.30 | 92.30 | 8.20 | - | 32 | 7.80 | - |
| 2026-01-01 01:45 am | 10.8 | 55.04 | 43.42 | 28.00 | 92.50 | 8.20 | - | 19 | 7.80 | - |
| 2026-01-01 01:30 am | 10.2 | 54.68 | 43.26 | 27.80 | 92.40 | 8.30 | - | 20 | 7.80 | - |
| 2026-01-01 01:15 am | 9.8 | 54.68 | 43.85 | 28.30 | 92.00 | 8.20 | - | 14 | 7.80 | - |
| 2026-01-01 01:00 am | 9.5 | 54.86 | 44.46 | 28.70 | 90.30 | 8.00 | - | 9 | 7.70 | - |
| 2026-01-01 12:45 am | 9.2 | 54.86 | 44.45 | 28.70 | 89.90 | 8.00 | - | 9 | 7.70 | - |
| 2026-01-01 12:30 am | 8.9 | 54.86 | 44.45 | 28.70 | 89.80 | 8.00 | - | 8 | 7.70 | - |
| 2026-01-01 12:15 am | 8.5 | 54.86 | 44.45 | 28.70 | 88.90 | 7.90 | - | 10 | 7.70 | - |
| 2026-01-01 12:00 am | 8.5 | 54.86 | 44.45 | 28.70 | 88.10 | 7.80 | - | 8 | 7.70 | - |
| 2025-12-31 11:45 pm | 8.5 | 54.86 | 44.45 | 28.70 | 88.80 | 7.90 | - | 12 | 7.70 | - |
| 2025-12-31 11:30 pm | 8.5 | 54.86 | 44.45 | 28.70 | 89.50 | 7.90 | - | 17 | 7.70 | - |
| 2025-12-31 11:15 pm | 8.9 | 55.04 | 44.45 | 28.70 | 90.10 | 8.00 | - | 14 | 7.70 | - |
| 2025-12-31 11:00 pm | 9.2 | 55.04 | 44.45 | 28.70 | 90.70 | 8.00 | - | 14 | 7.70 | - |
| 2025-12-31 10:45 pm | 9.5 | 55.04 | 44.44 | 28.70 | 91.20 | 8.10 | - | 17 | 7.80 | - |
| 2025-12-31 10:30 pm | 9.8 | 55.22 | 44.45 | 28.70 | 92.10 | 8.10 | - | 17 | 7.80 | - |
| 2025-12-31 10:15 pm | 10.2 | 55.22 | 44.44 | 28.70 | 92.40 | 8.20 | - | 19 | 7.80 | - |
| 2025-12-31 10:00 pm | 10.5 | 55.22 | 44.44 | 28.70 | 93.20 | 8.20 | - | 17 | 7.80 | - |
| 2025-12-31 09:45 pm | 10.8 | 55.40 | 44.44 | 28.70 | 93.50 | 8.20 | - | 17 | 7.80 | - |
| 2025-12-31 09:30 pm | 11.5 | 55.40 | 44.43 | 28.70 | 93.80 | 8.30 | - | 17 | 7.80 | - |
| 2025-12-31 09:15 pm | 11.8 | 55.40 | 44.44 | 28.70 | 94.50 | 8.30 | - | 16 | 7.80 | - |
| 2025-12-31 09:00 pm | 12.1 | 55.58 | 44.47 | 28.70 | 95.10 | 8.40 | - | 16 | 7.80 | - |
| 2025-12-31 08:45 pm | 12.8 | 55.58 | 44.58 | 28.80 | 95.40 | 8.40 | - | 17 | 7.80 | - |
| 2025-12-31 08:30 pm | 13.1 | 55.76 | 44.65 | 28.80 | 96.10 | 8.40 | - | 16 | 7.80 | - |
| 2025-12-31 08:15 pm | 13.5 | 55.76 | 44.76 | 28.90 | 96.40 | 8.50 | - | 14 | 7.80 | - |
| 2025-12-31 08:00 pm | 13.8 | 55.76 | 44.85 | 29.00 | 96.70 | 8.50 | - | 12 | 7.90 | - |
| 2025-12-31 07:45 pm | 14.4 | 55.76 | 44.96 | 29.10 | 97.00 | 8.50 | - | 24 | 7.90 | - |
| 2025-12-31 07:30 pm | 14.8 | 55.58 | 45.39 | 29.40 | 96.40 | 8.40 | - | 25 | 7.90 | - |
| 2025-12-31 07:15 pm | 15.1 | 55.76 | 45.58 | 29.50 | 96.30 | 8.40 | - | 20 | 7.90 | - |
| 2025-12-31 07:00 pm | 15.4 | 55.76 | 45.87 | 29.70 | 96.50 | 8.40 | - | 17 | 7.90 | - |
| 2025-12-31 06:45 pm | 15.7 | 55.76 | 45.98 | 29.80 | 96.10 | 8.40 | - | 15 | 7.90 | - |
| 2025-12-31 06:30 pm | 15.7 | 55.76 | 46.45 | 30.10 | 95.80 | 8.30 | - | 14 | 7.90 | - |
| 2025-12-31 06:15 pm | 16.1 | 55.76 | 46.54 | 30.20 | 96.00 | 8.30 | - | 12 | 7.90 | - |
| 2025-12-31 06:00 pm | 16.1 | 55.76 | 46.57 | 30.20 | 96.80 | 8.40 | - | 8 | 7.90 | - |
| 2025-12-31 05:45 pm | 16.1 | 55.94 | 46.75 | 30.40 | 95.60 | 8.30 | - | 10 | 7.90 | - |
| 2025-12-31 05:30 pm | 16.4 | 55.94 | 46.81 | 30.40 | 96.80 | 8.40 | - | 9 | 7.90 | - |
| 2025-12-31 05:15 pm | 16.4 | 55.76 | 46.76 | 30.40 | 96.90 | 8.40 | - | 16 | 7.90 | - |
| 2025-12-31 05:00 pm | 16.1 | 55.76 | 46.73 | 30.30 | 97.00 | 8.40 | - | 17 | 7.90 | - |
| 2025-12-31 04:45 pm | 16.1 | 55.76 | 46.69 | 30.30 | 96.90 | 8.40 | - | 22 | 7.90 | - |
| 2025-12-31 04:30 pm | 16.1 | 55.76 | 46.52 | 30.20 | 95.60 | 8.30 | - | 38 | 7.90 | - |
| 2025-12-31 04:15 pm | 15.7 | 55.58 | 46.36 | 30.10 | 94.40 | 8.20 | - | 43 | 7.90 | - |
| 2025-12-31 04:00 pm | 15.7 | 55.76 | 45.71 | 29.60 | 95.80 | 8.40 | - | 61 | 7.90 | - |
| 2025-12-31 03:45 pm | 15.4 | 56.12 | 45.45 | 29.40 | 98.00 | 8.50 | - | 24 | 7.90 | - |
| 2025-12-31 03:30 pm | 15.1 | 56.12 | 45.43 | 29.40 | 98.40 | 8.60 | - | 36 | 7.90 | - |
| 2025-12-31 03:15 pm | 14.8 | 56.12 | 45.27 | 29.30 | 97.50 | 8.50 | - | 46 | 7.90 | - |
| 2025-12-31 03:00 pm | 14.4 | 55.76 | 44.99 | 29.10 | 94.10 | 8.20 | - | 34 | 7.80 | - |
| 2025-12-31 02:45 pm | 14.1 | 55.58 | 44.87 | 29.00 | 93.30 | 8.20 | - | 39 | 7.80 | - |
| 2025-12-31 02:30 pm | 13.8 | 55.76 | 44.61 | 28.80 | 94.70 | 8.30 | - | 45 | 7.80 | - |
| 2025-12-31 02:15 pm | 13.1 | 55.58 | 44.64 | 28.80 | 91.90 | 8.10 | - | 34 | 7.80 | - |
| 2025-12-31 02:00 pm | 12.8 | 55.58 | 44.32 | 28.60 | 93.70 | 8.20 | - | 25 | 7.80 | - |
| 2025-12-31 01:45 pm | 12.5 | 55.94 | 44.20 | 28.50 | 97.00 | 8.50 | - | 12 | 7.80 | - |
| 2025-12-31 01:30 pm | 12.1 | 55.94 | 44.12 | 28.50 | 97.10 | 8.50 | - | 16 | 7.80 | - |
| 2025-12-31 01:15 pm | 11.8 | 55.94 | 44.29 | 28.60 | 96.10 | 8.40 | - | 12 | 7.80 | - |
| 2025-12-31 01:00 pm | 11.5 | 55.76 | 44.48 | 28.70 | 94.70 | 8.30 | - | 16 | 7.80 | - |
| 2025-12-31 12:45 pm | 11.2 | 55.94 | 44.38 | 28.70 | 94.00 | 8.20 | - | 14 | 7.80 | - |
| 2025-12-31 12:30 pm | 10.8 | 55.94 | 44.36 | 28.60 | 92.90 | 8.10 | - | 14 | 7.80 | - |
| 2025-12-31 12:15 pm | 10.5 | 55.94 | 44.36 | 28.60 | 92.60 | 8.10 | - | 10 | 7.70 | - |
| 2025-12-31 12:00 pm | 10.2 | 55.76 | 44.36 | 28.60 | 90.90 | 8.00 | - | 11 | 7.70 | - |
| 2025-12-31 11:45 am | 10.2 | 55.76 | 44.37 | 28.60 | 89.60 | 7.90 | - | 8 | 7.70 | - |
| 2025-12-31 11:30 am | 9.8 | 55.76 | 44.38 | 28.70 | 89.90 | 7.90 | - | 12 | 7.70 | - |
| 2025-12-31 11:15 am | 10.2 | 55.58 | 44.36 | 28.60 | 89.60 | 7.90 | - | 11 | 7.70 | - |
| 2025-12-31 11:00 am | 10.2 | 55.58 | 44.36 | 28.60 | 88.70 | 7.80 | - | 10 | 7.70 | - |
Historical data for station SAQG1 are available at the NERRS website.
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