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Station HWWH1 - Wai 2, He'eia Reserve, HI
Owned and maintained by National Estuarine Research Reserve System
Water Quality Station
21.438 N 157.811 W (21°26'18" N 157°48'39" W)
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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): | 1.6 ft |
 Ocean Temperature (OTMP): | 83.30 °F |
| Conductivity (COND): | 32.87 mS/cm |
| Salinity (SAL): | 20.50 psu |
| Oxygen Saturation (O2PCT): | 112.8% |
| Oxygen Concentration (O2PPM): | 7.80 ppm |
| Turbidity (TURB): | 8 FTU |
| pH (PH): | 8.00 |
| TIME (HST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-24 03:00 pm | 1.6 | 83.30 | 33.21 | 20.70 | 113.20 | 7.80 | - | 7 | 8.00 | - |
| 2026-09-24 02:45 pm | 1.6 | 83.30 | 33.75 | 21.10 | 112.50 | 7.80 | - | 7 | 8.00 | - |
| 2026-09-24 02:30 pm | 1.6 | 83.66 | 34.95 | 21.90 | 102.70 | 7.00 | - | 6 | 7.90 | - |
| 2026-09-24 02:15 pm | 2.0 | 84.20 | 40.99 | 26.10 | 100.20 | 6.70 | - | 2 | 7.90 | - |
| 2026-09-24 02:00 pm | 1.6 | 84.20 | 41.39 | 26.40 | 101.70 | 6.80 | - | 3 | 7.90 | - |
| 2026-09-24 01:45 pm | 1.6 | 84.02 | 41.31 | 26.40 | 102.20 | 6.80 | - | 3 | 7.90 | - |
| 2026-09-24 01:30 pm | 1.6 | 83.66 | 40.46 | 25.80 | 100.10 | 6.70 | - | 3 | 7.90 | - |
| 2026-09-24 01:15 pm | 1.6 | 83.30 | 36.44 | 22.90 | 96.10 | 6.60 | - | 4 | 7.80 | - |
| 2026-09-24 01:00 pm | 1.6 | 83.12 | 37.23 | 23.50 | 93.60 | 6.40 | - | 4 | 7.80 | - |
| 2026-09-24 12:45 pm | 1.6 | 82.58 | 35.80 | 22.50 | 90.80 | 6.30 | - | 5 | 7.80 | - |
| 2026-09-24 12:30 pm | 1.3 | 82.40 | 36.08 | 22.70 | 89.90 | 6.30 | - | 5 | 7.80 | - |
| 2026-09-24 12:15 pm | 1.3 | 82.04 | 30.46 | 18.80 | 85.70 | 6.10 | - | 6 | 7.70 | - |
| 2026-09-24 12:00 pm | 1.3 | 81.86 | 30.73 | 19.00 | 83.90 | 5.90 | - | 7 | 7.60 | - |
| 2026-09-24 11:45 am | 1.3 | 81.68 | 28.03 | 17.20 | 83.20 | 6.00 | - | 8 | 7.60 | - |
| 2026-09-24 11:30 am | 1.0 | 81.50 | 26.17 | 15.90 | 81.20 | 5.90 | - | 9 | 7.50 | - |
| 2026-09-24 11:15 am | 1.0 | 80.96 | 22.13 | 13.30 | 77.60 | 5.70 | - | 10 | 7.40 | - |
| 2026-09-24 11:00 am | 1.0 | 80.42 | 20.68 | 12.30 | 71.70 | 5.30 | - | 11 | 7.30 | - |
| 2026-09-24 10:45 am | 1.0 | 79.88 | 17.28 | 10.20 | 67.40 | 5.10 | - | 12 | 7.20 | - |
| 2026-09-24 10:30 am | 0.7 | 79.52 | 14.50 | 8.40 | 62.00 | 4.80 | - | 12 | 7.10 | - |
| 2026-09-24 10:15 am | 0.7 | 79.16 | 10.81 | 6.10 | 58.00 | 4.50 | - | 13 | 7.10 | - |
| 2026-09-24 10:00 am | 0.7 | 78.80 | 8.83 | - | 55.10 | 4.30 | - | 13 | 7.10 | - |
| 2026-09-24 09:45 am | 0.7 | 78.44 | 5.31 | - | 50.40 | 4.00 | - | 13 | 7.00 | - |
| 2026-09-24 09:30 am | 0.7 | 78.26 | - | - | 47.20 | 3.80 | - | 14 | 7.00 | - |
| 2026-09-24 09:15 am | 0.7 | 78.08 | - | - | 45.50 | 3.70 | - | 14 | 6.90 | - |
| 2026-09-24 09:00 am | 0.7 | 77.90 | - | - | 45.30 | 3.70 | - | 14 | 6.90 | - |
| 2026-09-24 08:45 am | 0.3 | 77.90 | - | - | 44.90 | 3.70 | - | 15 | 6.90 | - |
| 2026-09-24 08:30 am | 0.3 | 77.72 | - | - | 44.40 | 3.60 | - | 15 | 6.90 | - |
| 2026-09-24 08:15 am | 0.3 | 77.72 | - | - | 44.30 | 3.60 | - | 15 | 6.90 | - |
| 2026-09-24 08:00 am | 0.3 | 77.72 | - | - | 44.10 | 3.60 | - | 15 | 6.90 | - |
| 2026-09-24 07:45 am | 0.3 | 77.72 | - | - | 44.20 | 3.60 | - | 15 | 6.90 | - |
| 2026-09-24 07:30 am | 0.3 | 77.72 | - | - | 43.80 | 3.60 | - | 16 | 6.90 | - |
| 2026-09-24 07:15 am | 0.7 | 77.72 | - | - | 42.50 | 3.50 | - | 16 | 6.90 | - |
| 2026-09-24 07:00 am | 0.7 | 77.72 | - | - | 40.60 | 3.30 | - | 16 | 6.90 | - |
| 2026-09-24 06:45 am | 0.7 | 77.90 | - | - | 41.30 | 3.40 | - | 16 | 6.90 | - |
| 2026-09-24 06:30 am | 0.7 | 77.90 | - | - | 41.70 | 3.40 | - | 15 | 6.90 | - |
| 2026-09-24 06:15 am | 0.7 | 77.90 | - | - | 41.50 | 3.40 | - | 15 | 6.90 | - |
| 2026-09-24 06:00 am | 0.7 | 78.26 | - | - | 40.20 | 3.30 | - | 14 | 7.00 | - |
| 2026-09-24 05:45 am | 0.7 | 78.26 | - | - | 40.20 | 3.30 | - | 14 | 7.00 | - |
| 2026-09-24 05:30 am | 0.7 | 78.26 | - | - | 40.30 | 3.30 | - | 14 | 7.00 | - |
| 2026-09-24 05:15 am | 0.7 | 78.44 | - | - | 40.30 | 3.30 | - | 14 | 7.00 | - |
| 2026-09-24 05:00 am | 0.7 | 78.44 | - | - | 40.00 | 3.30 | - | 13 | 7.00 | - |
| 2026-09-24 04:45 am | 0.7 | 78.44 | - | - | 39.70 | 3.20 | - | 14 | 7.00 | - |
| 2026-09-24 04:30 am | 0.7 | 78.62 | - | - | 39.10 | 3.20 | - | 13 | 7.00 | - |
| 2026-09-24 04:15 am | 1.0 | 78.62 | - | - | 38.90 | 3.20 | - | 14 | 7.00 | - |
| 2026-09-24 04:00 am | 1.0 | 78.80 | - | - | 39.10 | 3.20 | - | 13 | 6.90 | - |
| 2026-09-24 03:45 am | 1.0 | 78.80 | - | - | 39.80 | 3.20 | - | 13 | 7.10 | - |
| 2026-09-24 03:30 am | 1.0 | 78.80 | - | - | 39.00 | 3.20 | - | 13 | 6.90 | - |
| 2026-09-24 03:15 am | 1.0 | 78.98 | - | - | 38.80 | 3.10 | - | 13 | 7.00 | - |
| 2026-09-24 03:00 am | 1.0 | 79.16 | - | - | 37.90 | 3.00 | - | 12 | 6.90 | - |
| 2026-09-24 02:45 am | 1.0 | 78.98 | - | - | 38.80 | 3.10 | - | 13 | 7.00 | - |
| 2026-09-24 02:30 am | 1.3 | 79.16 | - | - | 38.80 | 3.10 | - | 13 | 7.00 | - |
| 2026-09-24 02:15 am | 1.3 | 79.16 | - | - | 38.80 | 3.10 | - | 12 | 7.00 | - |
| 2026-09-24 02:00 am | 1.3 | 79.16 | - | - | 38.50 | 3.10 | - | 12 | 7.00 | - |
| 2026-09-24 01:45 am | 1.3 | 79.16 | - | - | 38.90 | 3.10 | - | 13 | 7.10 | - |
| 2026-09-24 01:30 am | 1.3 | 79.34 | - | - | 39.90 | 3.20 | - | 12 | 7.10 | - |
| 2026-09-24 01:15 am | 1.3 | 79.34 | 5.36 | - | 43.20 | 3.40 | - | 11 | 7.00 | - |
| 2026-09-24 01:00 am | 1.3 | 79.52 | 10.15 | 5.70 | 47.30 | 3.70 | - | 10 | 7.10 | - |
| 2026-09-24 12:45 am | 1.3 | 79.70 | 13.27 | 7.60 | 49.50 | 3.80 | - | 9 | 7.10 | - |
| 2026-09-24 12:30 am | 1.3 | 79.70 | 13.77 | 7.90 | 50.20 | 3.90 | - | 9 | 7.10 | - |
| 2026-09-24 12:15 am | 1.0 | 79.88 | 16.33 | 9.50 | 51.40 | 3.90 | - | 9 | 7.10 | - |
| 2026-09-24 12:00 am | 1.0 | 79.88 | 9.44 | 5.30 | 50.70 | 4.00 | - | 10 | 7.10 | - |
| 2026-09-23 11:45 pm | 1.0 | 79.88 | 13.03 | 7.50 | 53.30 | 4.10 | - | 10 | 7.10 | - |
| 2026-09-23 11:30 pm | 1.0 | 79.88 | 13.89 | 8.00 | 52.00 | 4.00 | - | 10 | 7.10 | - |
| 2026-09-23 11:15 pm | 1.0 | 79.88 | 9.07 | 5.10 | 50.90 | 4.00 | - | 11 | 7.10 | - |
| 2026-09-23 11:00 pm | 1.0 | 80.06 | 10.09 | 5.70 | 49.70 | 3.80 | - | 11 | 7.00 | - |
| 2026-09-23 10:45 pm | 1.0 | 80.06 | 6.68 | - | 47.40 | 3.70 | - | 11 | 7.00 | - |
| 2026-09-23 10:30 pm | 1.0 | 80.24 | 8.31 | - | 48.40 | 3.80 | - | 11 | 7.00 | - |
| 2026-09-23 10:15 pm | 0.7 | 80.24 | - | - | 47.00 | 3.70 | - | 12 | 7.00 | - |
| 2026-09-23 10:00 pm | 0.7 | 80.06 | - | - | 46.30 | 3.70 | - | 12 | 7.00 | - |
| 2026-09-23 09:45 pm | 0.7 | 80.24 | - | - | 45.10 | 3.60 | - | 12 | 7.00 | - |
| 2026-09-23 09:30 pm | 0.7 | 80.06 | - | - | 44.40 | 3.60 | - | 13 | 7.00 | - |
| 2026-09-23 09:15 pm | 0.7 | 80.24 | - | - | 44.80 | 3.60 | - | 13 | 7.10 | - |
| 2026-09-23 09:00 pm | 0.7 | 80.24 | - | - | 45.00 | 3.60 | - | 13 | 7.10 | - |
| 2026-09-23 08:45 pm | 0.7 | 80.42 | - | - | 45.30 | 3.60 | - | 13 | 7.10 | - |
| 2026-09-23 08:30 pm | 0.7 | 80.42 | - | - | 45.40 | 3.60 | - | 13 | 7.10 | - |
| 2026-09-23 08:15 pm | 0.7 | 80.60 | - | - | 45.60 | 3.60 | - | 13 | 7.10 | - |
| 2026-09-23 08:00 pm | 0.7 | 80.78 | - | - | 46.00 | 3.70 | - | 13 | 7.10 | - |
| 2026-09-23 07:45 pm | 0.7 | 80.96 | - | - | 46.20 | 3.70 | - | 13 | 7.20 | - |
| 2026-09-23 07:30 pm | 0.7 | 81.14 | - | - | 46.20 | 3.70 | - | 13 | 7.20 | - |
| 2026-09-23 07:15 pm | 0.7 | 81.32 | - | - | 46.20 | 3.70 | - | 13 | 7.20 | - |
| 2026-09-23 07:00 pm | 0.7 | 81.50 | - | - | 46.60 | 3.70 | - | 13 | 7.20 | - |
| 2026-09-23 06:45 pm | 0.7 | 81.68 | - | - | 47.00 | 3.70 | - | 14 | 7.20 | - |
| 2026-09-23 06:30 pm | 1.0 | 81.86 | - | - | 47.20 | 3.70 | - | 13 | 7.20 | - |
| 2026-09-23 06:15 pm | 1.0 | 82.04 | - | - | 47.50 | 3.70 | - | 13 | 7.20 | - |
| 2026-09-23 06:00 pm | 1.0 | 82.22 | - | - | 47.80 | 3.70 | - | 13 | 7.20 | - |
| 2026-09-23 05:45 pm | 1.0 | 82.58 | - | - | 50.60 | 3.90 | - | 13 | 7.10 | - |
| 2026-09-23 05:30 pm | 1.0 | 82.76 | - | - | 53.00 | 4.10 | - | 17 | 7.20 | - |
| 2026-09-23 05:15 pm | 1.0 | 83.30 | 7.46 | - | 54.70 | 4.00 | - | 12 | 7.20 | - |
| 2026-09-23 05:00 pm | 1.0 | 83.48 | 8.67 | - | 61.30 | 4.60 | - | 13 | 7.30 | - |
| 2026-09-23 04:45 pm | 1.3 | 84.38 | 25.24 | 15.30 | 70.40 | 5.00 | - | 9 | 7.60 | - |
| 2026-09-23 04:30 pm | 1.3 | 84.56 | 32.09 | 19.90 | 71.00 | 4.90 | - | 7 | 7.70 | - |
| 2026-09-23 04:15 pm | 1.3 | 84.74 | 32.62 | 20.30 | 98.60 | 6.70 | - | 8 | 7.90 | - |
| 2026-09-23 04:00 pm | 1.3 | 84.74 | 33.68 | 21.00 | 111.40 | 7.60 | - | 7 | 8.00 | - |
Historical data for station HWWH1 are available at the NERRS website.
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