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 FMNS1 - Fort Johnson, ACE Basin Reserve, SC
Owned and maintained by National Estuarine Research Reserve System
Water Quality Station
32.753 N 79.899 W (32°45'12" N 79°53'56" 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): | 5.6 ft |
 Ocean Temperature (OTMP): | 70.34 °F |
| Conductivity (COND): | 39.42 mS/cm |
| Salinity (SAL): | 25.20 psu |
| Oxygen Concentration (O2PCT): | 95.7% |
| Oxygen Concentration (O2PPM): | 7.30 ppm |
| Turbidity (TURB): | 3 FTU |
| pH (PH): | 7.80 |
| TIME (EDT) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mv |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-04-19 10:00 pm | 5.2 | 70.52 | 39.52 | 25.20 | 89.00 | 6.80 | - | 2 | 7.80 | - |
| 2025-04-19 09:45 pm | 4.9 | 70.52 | 39.40 | 25.20 | 90.70 | 6.90 | - | 2 | 7.80 | - |
| 2025-04-19 09:30 pm | 4.6 | 70.52 | 39.64 | 25.30 | 93.80 | 7.20 | - | 3 | 7.80 | - |
| 2025-04-19 09:15 pm | 4.6 | 70.52 | 39.63 | 25.30 | 93.30 | 7.10 | - | 4 | 7.80 | - |
| 2025-04-19 09:00 pm | 4.3 | 70.16 | 38.97 | 24.90 | 98.90 | 7.60 | - | 2 | 7.90 | - |
| 2025-04-19 08:45 pm | 3.9 | 70.70 | 40.48 | 25.90 | 93.50 | 7.10 | - | 4 | 7.80 | - |
| 2025-04-19 08:30 pm | 3.9 | 70.88 | 40.98 | 26.30 | 94.80 | 7.20 | - | 3 | 7.80 | - |
| 2025-04-19 08:15 pm | 3.6 | 70.88 | 40.99 | 26.30 | 97.10 | 7.30 | - | 4 | 7.80 | - |
| 2025-04-19 08:00 pm | 3.6 | 70.88 | 41.01 | 26.30 | 96.30 | 7.30 | - | 4 | 7.80 | - |
| 2025-04-19 07:45 pm | 3.3 | 71.06 | 41.08 | 26.30 | 87.90 | 6.60 | - | 5 | 7.80 | - |
| 2025-04-19 07:30 pm | 3.3 | 71.06 | 41.09 | 26.40 | 90.40 | 6.80 | - | 6 | 7.80 | - |
| 2025-04-19 07:15 pm | 3.0 | 71.06 | 41.10 | 26.40 | 92.50 | 7.00 | - | 5 | 7.80 | - |
| 2025-04-19 07:00 pm | 3.0 | 71.06 | 41.22 | 26.40 | 92.20 | 7.00 | - | 7 | 7.80 | - |
| 2025-04-19 06:45 pm | 3.0 | 71.06 | 41.19 | 26.40 | 97.60 | 7.40 | - | 7 | 7.80 | - |
| 2025-04-19 06:30 pm | 3.0 | 71.42 | 41.16 | 26.40 | 101.70 | 7.60 | - | 6 | 7.90 | - |
| 2025-04-19 06:15 pm | 3.0 | 71.24 | 40.79 | 26.10 | 101.70 | 7.70 | - | 6 | 7.90 | - |
| 2025-04-19 06:00 pm | 3.3 | 71.24 | 40.63 | 26.00 | 100.90 | 7.60 | - | 5 | 7.80 | - |
| 2025-04-19 05:45 pm | 3.3 | 71.24 | 40.69 | 26.10 | 103.10 | 7.80 | - | 6 | 7.90 | - |
| 2025-04-19 05:30 pm | 3.3 | 71.24 | 40.77 | 26.10 | 104.00 | 7.80 | - | 8 | 7.90 | - |
| 2025-04-19 05:15 pm | 3.6 | 71.60 | 40.85 | 26.20 | 108.70 | 8.20 | - | 5 | 7.90 | - |
| 2025-04-19 05:00 pm | 3.6 | 70.70 | 42.84 | 27.60 | 100.40 | 7.60 | - | 10 | 7.90 | - |
| 2025-04-19 04:45 pm | 3.9 | 71.06 | 42.70 | 27.50 | 100.40 | 7.50 | - | 12 | 7.90 | - |
| 2025-04-19 04:30 pm | 3.9 | 71.42 | 42.48 | 27.30 | 103.60 | 7.70 | - | 10 | 7.90 | - |
| 2025-04-19 04:15 pm | 4.3 | 72.14 | 41.96 | 27.00 | 111.40 | 8.30 | - | 7 | 8.00 | - |
| 2025-04-19 04:00 pm | 4.6 | 71.96 | 41.76 | 26.80 | 109.50 | 8.20 | - | 6 | 7.90 | - |
| 2025-04-19 03:45 pm | 4.6 | 71.60 | 42.26 | 27.20 | 108.70 | 8.10 | - | 6 | 8.00 | - |
| 2025-04-19 03:30 pm | 4.9 | 70.88 | 42.59 | 27.40 | 104.90 | 7.90 | - | 6 | 7.90 | - |
| 2025-04-19 03:15 pm | 5.2 | 70.34 | 43.18 | 27.90 | 101.90 | 7.70 | - | 5 | 7.90 | - |
| 2025-04-19 03:00 pm | 5.2 | 69.98 | 43.58 | 28.10 | 101.80 | 7.70 | - | 5 | 7.90 | - |
| 2025-04-19 02:45 pm | 5.6 | 69.62 | 43.88 | 28.40 | 96.20 | 7.30 | - | 6 | 7.90 | - |
| 2025-04-19 02:30 pm | 5.6 | 69.44 | 44.12 | 28.50 | 96.00 | 7.30 | - | 5 | 7.90 | - |
| 2025-04-19 02:15 pm | 5.9 | 69.44 | 44.15 | 28.60 | 90.20 | 6.80 | - | 7 | 7.90 | - |
| 2025-04-19 02:00 pm | 5.9 | 69.26 | 45.15 | 29.30 | 90.70 | 6.90 | - | 6 | 7.90 | - |
| 2025-04-19 01:45 pm | 6.2 | 69.26 | 44.42 | 28.80 | 87.90 | 6.70 | - | 6 | 7.90 | - |
| 2025-04-19 01:30 pm | 6.2 | 69.26 | 44.17 | 28.60 | 89.00 | 6.80 | - | 6 | 7.90 | - |
| 2025-04-19 01:15 pm | 6.2 | 69.08 | 45.06 | 29.20 | 84.90 | 6.40 | - | 7 | 7.80 | - |
| 2025-04-19 01:00 pm | 6.2 | 69.26 | 43.49 | 28.10 | 90.90 | 6.90 | - | 6 | 7.90 | - |
| 2025-04-19 12:45 pm | 6.6 | 69.26 | 43.08 | 27.80 | 92.90 | 7.10 | - | 6 | 7.90 | - |
| 2025-04-19 12:30 pm | 6.6 | 69.08 | 43.67 | 28.20 | 89.10 | 6.80 | - | 6 | 7.90 | - |
| 2025-04-19 12:15 pm | 6.2 | 69.08 | 44.04 | 28.50 | 85.90 | 6.50 | - | 11 | 7.80 | - |
| 2025-04-19 12:00 pm | 6.2 | 69.08 | 42.63 | 27.50 | 88.30 | 6.80 | - | 4 | 7.80 | - |
| 2025-04-19 11:45 am | 6.2 | 69.08 | 42.56 | 27.40 | 87.20 | 6.70 | - | 5 | 7.80 | - |
| 2025-04-19 11:30 am | 6.2 | 69.08 | 42.83 | 27.60 | 83.20 | 6.40 | - | 6 | 7.80 | - |
| 2025-04-19 11:15 am | 5.9 | 69.08 | 41.68 | 26.80 | 85.00 | 6.50 | - | 4 | 7.80 | - |
| 2025-04-19 11:00 am | 5.9 | 69.08 | 41.19 | 26.40 | 86.90 | 6.70 | - | 4 | 7.80 | - |
| 2025-04-19 10:45 am | 5.9 | 69.08 | 41.26 | 26.50 | 85.70 | 6.60 | - | 5 | 7.80 | - |
| 2025-04-19 10:30 am | 5.6 | 68.90 | 40.98 | 26.30 | 82.50 | 6.40 | - | 4 | 7.80 | - |
| 2025-04-19 10:15 am | 5.2 | 68.90 | 41.93 | 27.00 | 80.90 | 6.20 | - | 4 | 7.80 | - |
| 2025-04-19 10:00 am | 5.2 | 68.90 | 41.68 | 26.80 | 81.30 | 6.30 | - | 5 | 7.80 | - |
| 2025-04-19 09:45 am | 4.9 | 68.90 | 40.33 | 25.80 | 80.70 | 6.20 | - | 4 | 7.80 | - |
| 2025-04-19 09:30 am | 4.6 | 68.72 | 38.54 | 24.60 | 87.60 | 6.80 | - | 4 | 7.80 | - |
| 2025-04-19 09:15 am | 4.6 | 68.72 | 38.41 | 24.50 | 85.10 | 6.70 | - | 4 | 7.80 | - |
| 2025-04-19 09:00 am | 4.3 | 68.72 | 37.96 | 24.20 | 92.50 | 7.20 | - | 3 | 7.90 | - |
| 2025-04-19 08:45 am | 3.9 | 68.72 | 36.73 | 23.30 | 93.90 | 7.40 | - | 3 | 7.90 | - |
| 2025-04-19 08:30 am | 3.9 | 68.72 | 36.66 | 23.20 | 94.10 | 7.40 | - | 2 | 7.90 | - |
| 2025-04-19 08:15 am | 3.6 | 68.54 | 36.83 | 23.40 | 94.20 | 7.40 | - | 2 | 7.90 | - |
| 2025-04-19 08:00 am | 3.6 | 68.72 | 38.04 | 24.20 | 93.70 | 7.30 | - | 3 | 7.90 | - |
| 2025-04-19 07:45 am | 3.6 | 68.90 | 38.94 | 24.80 | 91.40 | 7.10 | - | 3 | 7.80 | - |
| 2025-04-19 07:30 am | 3.3 | 68.90 | 40.46 | 25.90 | 88.10 | 6.80 | - | 4 | 7.80 | - |
| 2025-04-19 07:15 am | 3.3 | 68.90 | 40.37 | 25.90 | 89.70 | 6.90 | - | 7 | 7.80 | - |
| 2025-04-19 07:00 am | 3.3 | 68.90 | 40.63 | 26.00 | 87.70 | 6.80 | - | 5 | 7.80 | - |
| 2025-04-19 06:45 am | 3.3 | 68.90 | 40.70 | 26.10 | 89.30 | 6.90 | - | 7 | 7.80 | - |
| 2025-04-19 06:30 am | 3.3 | 68.90 | 41.16 | 26.40 | 87.10 | 6.70 | - | 5 | 7.80 | - |
| 2025-04-19 06:15 am | 3.6 | 68.90 | 41.28 | 26.50 | 88.10 | 6.80 | - | 5 | 7.80 | - |
| 2025-04-19 06:00 am | 3.6 | 68.90 | 40.72 | 26.10 | 90.30 | 7.00 | - | 4 | 7.90 | - |
| 2025-04-19 05:45 am | 3.6 | 68.90 | 40.56 | 26.00 | 92.20 | 7.10 | - | 4 | 7.90 | - |
| 2025-04-19 05:30 am | 3.9 | 68.90 | 40.30 | 25.80 | 93.70 | 7.30 | - | 5 | 7.90 | - |
| 2025-04-19 05:15 am | 3.9 | 68.90 | 41.10 | 26.40 | 91.20 | 7.00 | - | 4 | 7.80 | - |
| 2025-04-19 05:00 am | 4.3 | 68.72 | 40.43 | 25.90 | 93.30 | 7.20 | - | 4 | 7.90 | - |
| 2025-04-19 04:45 am | 4.3 | 68.72 | 39.89 | 25.50 | 95.50 | 7.40 | - | 4 | 7.90 | - |
| 2025-04-19 04:30 am | 4.6 | 68.72 | 41.36 | 26.60 | 93.30 | 7.20 | - | 6 | 7.90 | - |
| 2025-04-19 04:15 am | 4.9 | 68.90 | 42.27 | 27.20 | 90.00 | 6.90 | - | 7 | 7.80 | - |
| 2025-04-19 04:00 am | 5.2 | 68.72 | 41.79 | 26.90 | 93.30 | 7.20 | - | 5 | 7.90 | - |
| 2025-04-19 03:45 am | 5.6 | 68.90 | 42.33 | 27.20 | 92.30 | 7.10 | - | 6 | 7.90 | - |
| 2025-04-19 03:30 am | 5.6 | 68.90 | 42.51 | 27.40 | 93.30 | 7.20 | - | 5 | 7.90 | - |
| 2025-04-19 03:15 am | 5.9 | 69.08 | 43.41 | 28.00 | 88.80 | 6.80 | - | 7 | 7.90 | - |
| 2025-04-19 03:00 am | 6.2 | 69.26 | 46.00 | 29.90 | 90.60 | 6.80 | - | 13 | 7.90 | - |
| 2025-04-19 02:45 am | 6.2 | 69.26 | 45.28 | 29.40 | 87.50 | 6.60 | - | 8 | 7.90 | - |
| 2025-04-19 02:30 am | 6.6 | 69.26 | 45.01 | 29.20 | 90.40 | 6.80 | - | 8 | 7.90 | - |
| 2025-04-19 02:15 am | 6.9 | 69.26 | 45.10 | 29.20 | 91.80 | 6.90 | - | 6 | 7.90 | - |
| 2025-04-19 02:00 am | 6.9 | 69.08 | 44.96 | 29.10 | 90.20 | 6.80 | - | 6 | 7.90 | - |
| 2025-04-19 01:45 am | 7.2 | 68.90 | 45.27 | 29.40 | 85.30 | 6.50 | - | 5 | 7.90 | - |
| 2025-04-19 01:30 am | 7.2 | 68.72 | 46.45 | 30.20 | 82.00 | 6.20 | - | 5 | 7.80 | - |
| 2025-04-19 01:15 am | 7.5 | 68.72 | 46.40 | 30.20 | 83.30 | 6.30 | - | 4 | 7.90 | - |
| 2025-04-19 01:00 am | 7.5 | 68.54 | 46.92 | 30.60 | 82.50 | 6.20 | - | 5 | 7.90 | - |
| 2025-04-19 12:45 am | 7.5 | 68.54 | 47.00 | 30.60 | 81.50 | 6.20 | - | 5 | 7.90 | - |
| 2025-04-19 12:30 am | 7.5 | 68.54 | 47.44 | 30.90 | 81.30 | 6.10 | - | 5 | 7.90 | - |
| 2025-04-19 12:15 am | 7.5 | 68.54 | 47.39 | 30.90 | 82.40 | 6.20 | - | 6 | 7.90 | - |
| 2025-04-19 12:00 am | 7.5 | 68.54 | 47.53 | 31.00 | 81.10 | 6.10 | - | 6 | 7.90 | - |
| 2025-04-18 11:45 pm | 7.5 | 68.54 | 47.63 | 31.10 | 81.10 | 6.10 | - | 6 | 7.90 | - |
| 2025-04-18 11:30 pm | 7.2 | 68.54 | 47.65 | 31.10 | 80.10 | 6.00 | - | 8 | 7.90 | - |
| 2025-04-18 11:15 pm | 7.2 | 68.36 | 47.56 | 31.00 | 81.50 | 6.10 | - | 8 | 7.90 | - |
| 2025-04-18 11:00 pm | 7.2 | 68.54 | 46.87 | 30.50 | 81.00 | 6.10 | - | 8 | 7.80 | - |
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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