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): | 11.2 ft |
 Ocean Temperature (OTMP): | 54.14 °F |
| Conductivity (COND): | 44.16 mS/cm |
| Salinity (SAL): | 28.50 psu |
| Oxygen Saturation (O2PCT): | 91.8% |
| Oxygen Concentration (O2PPM): | 8.20 ppm |
| Turbidity (TURB): | 68 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-01-02 02:45 am | 10.5 | 54.14 | 43.85 | 28.20 | 91.70 | 8.20 | - | 63 | 7.80 | - |
| 2026-01-02 02:30 am | 9.8 | 54.14 | 43.51 | 28.00 | 92.00 | 8.30 | - | 28 | 7.80 | - |
| 2026-01-02 02:15 am | 9.5 | 53.78 | 43.48 | 28.00 | 91.60 | 8.30 | - | 18 | 7.80 | - |
| 2026-01-02 02:00 am | 8.9 | 53.96 | 44.37 | 28.60 | 91.10 | 8.20 | - | 20 | 7.80 | - |
| 2026-01-02 01:45 am | 8.5 | 53.96 | 44.37 | 28.60 | 90.50 | 8.10 | - | 16 | 7.70 | - |
| 2026-01-02 01:30 am | 8.2 | 53.96 | 44.39 | 28.60 | 89.80 | 8.10 | - | 21 | 7.70 | - |
| 2026-01-02 01:15 am | 7.9 | 53.96 | 44.38 | 28.60 | 89.50 | 8.00 | - | 13 | 7.70 | - |
| 2026-01-02 01:00 am | 7.9 | 53.96 | 44.37 | 28.60 | 89.40 | 8.00 | - | 15 | 7.70 | - |
| 2026-01-02 12:45 am | 7.9 | 53.96 | 44.35 | 28.60 | 88.40 | 7.90 | - | 11 | 7.70 | - |
| 2026-01-02 12:30 am | 7.9 | 53.96 | 44.37 | 28.60 | 88.60 | 7.90 | - | 12 | 7.70 | - |
| 2026-01-02 12:15 am | 8.2 | 53.96 | 44.36 | 28.60 | 89.90 | 8.10 | - | 16 | 7.70 | - |
| 2026-01-02 12:00 am | 8.2 | 54.14 | 44.34 | 28.60 | 90.80 | 8.10 | - | 19 | 7.80 | - |
| 2026-01-01 11:45 pm | 8.5 | 54.14 | 44.33 | 28.60 | 91.10 | 8.20 | - | 16 | 7.80 | - |
| 2026-01-01 11:30 pm | 8.9 | 54.14 | 44.33 | 28.60 | 91.40 | 8.20 | - | 23 | 7.80 | - |
| 2026-01-01 11:15 pm | 9.5 | 54.14 | 44.33 | 28.60 | 91.90 | 8.20 | - | 21 | 7.80 | - |
| 2026-01-01 11:00 pm | 9.8 | 54.32 | 44.32 | 28.60 | 92.50 | 8.30 | - | 22 | 7.80 | - |
| 2026-01-01 10:45 pm | 10.2 | 54.32 | 44.31 | 28.60 | 93.00 | 8.30 | - | 23 | 7.80 | - |
| 2026-01-01 10:30 pm | 10.5 | 54.32 | 44.32 | 28.60 | 93.50 | 8.40 | - | 23 | 7.80 | - |
| 2026-01-01 10:15 pm | 11.2 | 54.32 | 44.36 | 28.60 | 93.90 | 8.40 | - | 22 | 7.80 | - |
| 2026-01-01 10:00 pm | 11.5 | 54.50 | 44.46 | 28.70 | 94.30 | 8.40 | - | 23 | 7.80 | - |
| 2026-01-01 09:45 pm | 12.1 | 54.50 | 44.61 | 28.80 | 94.70 | 8.40 | - | 24 | 7.80 | - |
| 2026-01-01 09:30 pm | 12.5 | 54.50 | 44.79 | 28.90 | 94.80 | 8.40 | - | 25 | 7.80 | - |
| 2026-01-01 09:15 pm | 13.1 | 54.50 | 44.94 | 29.00 | 95.10 | 8.50 | - | 22 | 7.80 | - |
| 2026-01-01 09:00 pm | 13.5 | 54.68 | 45.16 | 29.20 | 95.60 | 8.50 | - | 26 | 7.90 | - |
| 2026-01-01 08:45 pm | 14.1 | 54.68 | 45.28 | 29.30 | 95.50 | 8.50 | - | 32 | 7.90 | - |
| 2026-01-01 08:30 pm | 14.4 | 54.50 | 45.44 | 29.40 | 94.80 | 8.40 | - | 46 | 7.90 | - |
| 2026-01-01 08:15 pm | 14.8 | 54.50 | 45.88 | 29.70 | 95.30 | 8.40 | - | 44 | 7.90 | - |
| 2026-01-01 08:00 pm | 15.1 | 54.68 | 46.18 | 29.90 | 95.90 | 8.50 | - | 27 | 7.90 | - |
| 2026-01-01 07:45 pm | 15.4 | 54.68 | 46.43 | 30.10 | 96.40 | 8.50 | - | 20 | 7.90 | - |
| 2026-01-01 07:30 pm | 15.7 | 54.68 | 46.64 | 30.30 | 97.00 | 8.50 | - | 14 | 7.90 | - |
| 2026-01-01 07:15 pm | 16.1 | 54.68 | 46.41 | 30.10 | 96.10 | 8.50 | - | 16 | 7.90 | - |
| 2026-01-01 07:00 pm | 16.1 | 54.86 | 46.94 | 30.50 | 97.40 | 8.60 | - | 6 | 7.90 | - |
| 2026-01-01 06:45 pm | 16.1 | 54.86 | 46.94 | 30.50 | 98.20 | 8.60 | - | 11 | 7.90 | - |
| 2026-01-01 06:30 pm | 16.1 | 54.86 | 46.88 | 30.40 | 98.10 | 8.60 | - | 20 | 7.90 | - |
| 2026-01-01 06:15 pm | 16.1 | 54.86 | 46.82 | 30.40 | 98.10 | 8.60 | - | 27 | 7.90 | - |
| 2026-01-01 06:00 pm | 15.7 | 54.68 | 46.61 | 30.20 | 97.30 | 8.60 | - | 46 | 7.90 | - |
| 2026-01-01 05:45 pm | 15.7 | 54.68 | 46.51 | 30.20 | 97.10 | 8.50 | - | 35 | 7.90 | - |
| 2026-01-01 05:30 pm | 15.7 | 54.68 | 46.35 | 30.00 | 96.20 | 8.50 | - | 42 | 7.90 | - |
| 2026-01-01 05:15 pm | 15.4 | 54.50 | 46.10 | 29.90 | 94.90 | 8.40 | - | 52 | 7.90 | - |
| 2026-01-01 05:00 pm | 15.1 | 54.68 | 45.60 | 29.50 | 96.00 | 8.50 | - | 64 | 7.90 | - |
| 2026-01-01 04:45 pm | 14.8 | 54.68 | 45.47 | 29.40 | 95.60 | 8.50 | - | 50 | 7.90 | - |
| 2026-01-01 04:30 pm | 14.4 | 54.68 | 45.40 | 29.40 | 94.80 | 8.40 | - | 59 | 7.90 | - |
| 2026-01-01 04:15 pm | 14.1 | 54.50 | 45.17 | 29.20 | 93.50 | 8.30 | - | 86 | 7.80 | - |
| 2026-01-01 04:00 pm | 13.8 | 54.50 | 44.91 | 29.00 | 93.20 | 8.30 | - | 29 | 7.80 | - |
| 2026-01-01 03:45 pm | 13.1 | 54.86 | 44.37 | 28.60 | 96.40 | 8.60 | - | 20 | 7.80 | - |
| 2026-01-01 03:30 pm | 12.8 | 54.68 | 44.41 | 28.70 | 95.20 | 8.50 | - | 19 | 7.80 | - |
| 2026-01-01 03:15 pm | 12.5 | 54.50 | 44.47 | 28.70 | 93.50 | 8.30 | - | 26 | 7.80 | - |
| 2026-01-01 03:00 pm | 11.8 | 54.50 | 44.20 | 28.50 | 92.90 | 8.30 | - | 30 | 7.80 | - |
| 2026-01-01 02:45 pm | 11.5 | 54.50 | 44.04 | 28.40 | 93.20 | 8.30 | - | 35 | 7.80 | - |
| 2026-01-01 02:30 pm | 11.2 | 54.86 | 43.75 | 28.20 | 96.20 | 8.60 | - | 19 | 7.80 | - |
| 2026-01-01 02:15 pm | 10.8 | 54.86 | 43.68 | 28.10 | 96.30 | 8.60 | - | 20 | 7.80 | - |
| 2026-01-01 02:00 pm | 10.2 | 54.68 | 44.33 | 28.60 | 95.00 | 8.50 | - | 17 | 7.80 | - |
| 2026-01-01 01:45 pm | 9.8 | 54.68 | 44.32 | 28.60 | 94.60 | 8.40 | - | 14 | 7.80 | - |
| 2026-01-01 01:30 pm | 9.5 | 54.32 | 44.32 | 28.60 | 92.20 | 8.20 | - | 11 | 7.70 | - |
| 2026-01-01 01:15 pm | 9.5 | 54.32 | 44.33 | 28.60 | 91.90 | 8.20 | - | 13 | 7.70 | - |
| 2026-01-01 01:00 pm | 9.2 | 54.14 | 44.31 | 28.60 | 90.90 | 8.10 | - | 12 | 7.70 | - |
| 2026-01-01 12:45 pm | 9.2 | 54.14 | 44.31 | 28.60 | 90.00 | 8.10 | - | 12 | 7.70 | - |
| 2026-01-01 12:30 pm | 9.2 | 53.96 | 44.31 | 28.60 | 88.60 | 7.90 | - | 12 | 7.70 | - |
| 2026-01-01 12:15 pm | 9.2 | 53.96 | 44.31 | 28.60 | 88.90 | 8.00 | - | 14 | 7.70 | - |
| 2026-01-01 12:00 pm | 9.2 | 53.96 | 44.31 | 28.60 | 89.30 | 8.00 | - | 17 | 7.70 | - |
| 2026-01-01 11:45 am | 9.5 | 53.78 | 44.31 | 28.60 | 89.50 | 8.00 | - | 25 | 7.70 | - |
| 2026-01-01 11:30 am | 9.8 | 53.78 | 44.31 | 28.60 | 89.00 | 8.00 | - | 26 | 7.70 | - |
| 2026-01-01 11:15 am | 9.8 | 53.78 | 44.31 | 28.60 | 88.40 | 8.00 | - | 26 | 7.70 | - |
| 2026-01-01 11:00 am | 10.2 | 53.60 | 44.32 | 28.60 | 88.90 | 8.00 | - | 33 | 7.70 | - |
| 2026-01-01 10:45 am | 10.5 | 53.60 | 44.34 | 28.60 | 89.00 | 8.00 | - | 35 | 7.70 | - |
| 2026-01-01 10:30 am | 11.2 | 53.60 | 44.40 | 28.60 | 89.50 | 8.10 | - | 43 | 7.80 | - |
| 2026-01-01 10:15 am | 11.5 | 53.60 | 44.49 | 28.70 | 89.80 | 8.10 | - | 43 | 7.80 | - |
| 2026-01-01 10:00 am | 11.8 | 53.78 | 44.60 | 28.80 | 90.10 | 8.10 | - | 50 | 7.80 | - |
| 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 | - |
Historical data for station SAQG1 are available at the NERRS website.
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