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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Stations with recent data
Stations with no data in last 8 hours
(24 hours for tsunami stations)
Stations with recent data Stations with no data in last 8 hours(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): | 0.0 ft |
 Ocean Temperature (OTMP): | 76.28 °F |
| Oxygen Saturation (O2PCT): | 35.6% |
| Oxygen Concentration (O2PPM): | 3.00 ppm |
| Turbidity (TURB): | 15 FTU |
| pH (PH): | 6.90 |
| TIME (HAST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-07-14 07:00 am | 0.0 | 76.28 | - | - | 35.00 | 2.90 | - | 14 | 6.90 | - |
| 2025-07-14 06:45 am | 0.0 | 76.28 | - | - | 34.70 | 2.90 | - | 14 | 6.90 | - |
| 2025-07-14 06:30 am | 0.0 | 76.28 | - | - | 34.00 | 2.80 | - | 15 | 6.90 | - |
| 2025-07-14 06:15 am | 0.0 | 76.28 | - | - | 33.90 | 2.80 | - | 15 | 6.90 | - |
| 2025-07-14 06:00 am | 0.0 | 76.28 | - | - | 34.10 | 2.80 | - | 14 | 6.90 | - |
| 2025-07-14 05:45 am | 0.0 | 76.28 | - | - | 34.50 | 2.90 | - | 14 | 6.90 | - |
| 2025-07-14 05:30 am | 0.0 | 76.28 | - | - | 34.70 | 2.90 | - | 13 | 6.90 | - |
| 2025-07-14 05:15 am | 0.0 | 76.28 | - | - | 34.60 | 2.90 | - | 13 | 6.90 | - |
| 2025-07-14 05:00 am | 0.0 | 76.28 | - | - | 34.80 | 2.90 | - | 13 | 6.90 | - |
| 2025-07-14 04:45 am | 0.0 | 76.28 | - | - | 35.70 | 3.00 | - | 13 | 6.90 | - |
| 2025-07-14 04:30 am | 0.0 | 76.28 | - | - | 35.80 | 3.00 | - | 13 | 7.00 | - |
| 2025-07-14 04:15 am | 0.0 | 76.46 | - | - | 35.40 | 2.90 | - | 13 | 7.00 | - |
| 2025-07-14 04:00 am | 0.0 | 76.46 | - | - | 35.20 | 2.90 | - | 13 | 7.00 | - |
| 2025-07-14 03:45 am | 0.0 | 76.64 | - | - | 35.30 | 2.90 | - | 13 | 7.00 | - |
| 2025-07-14 03:30 am | 0.0 | 76.64 | - | - | 35.50 | 2.90 | - | 13 | 7.00 | - |
| 2025-07-14 03:15 am | 0.0 | 76.64 | - | - | 35.80 | 3.00 | - | 13 | 7.00 | - |
| 2025-07-14 03:00 am | 0.0 | 76.64 | - | - | 36.00 | 3.00 | - | 13 | 7.00 | - |
| 2025-07-14 02:45 am | 0.0 | 76.64 | - | - | 36.30 | 3.00 | - | 13 | 7.00 | - |
| 2025-07-14 02:30 am | 0.0 | 76.82 | - | - | 36.30 | 3.00 | - | 13 | 7.00 | - |
| 2025-07-14 02:15 am | 0.0 | 76.82 | - | - | 35.70 | 3.00 | - | 13 | 7.00 | - |
| 2025-07-14 02:00 am | 0.0 | 77.00 | - | - | 35.30 | 2.90 | - | 13 | 7.00 | - |
| 2025-07-14 01:45 am | 0.0 | 77.00 | - | - | 35.30 | 2.90 | - | 13 | 7.00 | - |
| 2025-07-14 01:30 am | 0.0 | 77.00 | - | - | 34.90 | 2.90 | - | 13 | 7.00 | - |
| 2025-07-14 01:15 am | 0.0 | 77.00 | - | - | 34.40 | 2.80 | - | 12 | 7.00 | - |
| 2025-07-14 01:00 am | 0.0 | 77.18 | - | - | 34.00 | 2.80 | - | 13 | 7.00 | - |
| 2025-07-14 12:45 am | 0.0 | 77.18 | - | - | 33.30 | 2.70 | - | 13 | 7.00 | - |
| 2025-07-14 12:30 am | 0.3 | 77.36 | - | - | 32.40 | 2.70 | - | 12 | 7.00 | - |
| 2025-07-14 12:15 am | 0.3 | 77.36 | - | - | 32.40 | 2.70 | - | 12 | 7.00 | - |
| 2025-07-14 12:00 am | 0.3 | 77.36 | - | - | 33.30 | 2.70 | - | 12 | 7.00 | - |
| 2025-07-13 11:45 pm | 0.3 | 77.54 | - | - | 33.90 | 2.80 | - | 13 | 7.00 | - |
| 2025-07-13 11:30 pm | 0.3 | 77.72 | - | - | 34.30 | 2.80 | - | 12 | 7.00 | - |
| 2025-07-13 11:15 pm | 0.3 | 77.90 | - | - | 34.70 | 2.80 | - | 12 | 7.00 | - |
| 2025-07-13 11:00 pm | 0.3 | 78.08 | - | - | 34.60 | 2.80 | - | 12 | 7.00 | - |
| 2025-07-13 10:45 pm | 0.3 | 78.26 | - | - | 34.50 | 2.80 | - | 12 | 7.00 | - |
| 2025-07-13 10:30 pm | 0.3 | 78.44 | - | - | 34.90 | 2.80 | - | 12 | 7.00 | - |
| 2025-07-13 10:15 pm | 0.7 | 78.80 | - | - | 35.20 | 2.80 | - | 12 | 7.00 | - |
| 2025-07-13 10:00 pm | 0.7 | 78.98 | - | - | 35.40 | 2.80 | - | 12 | 7.00 | - |
| 2025-07-13 09:45 pm | 0.7 | 79.34 | 5.29 | - | 35.80 | 2.80 | - | 12 | 7.00 | - |
| 2025-07-13 09:30 pm | 0.7 | 79.52 | 6.70 | - | 36.60 | 2.90 | - | 11 | 7.00 | - |
| 2025-07-13 09:15 pm | 0.7 | 80.06 | 8.18 | - | 38.20 | 3.00 | - | 11 | 7.00 | - |
| 2025-07-13 09:00 pm | 0.7 | 80.06 | 8.02 | - | 39.60 | 3.10 | - | 11 | 7.00 | - |
| 2025-07-13 08:45 pm | 0.7 | 80.42 | 8.17 | - | 40.90 | 3.20 | - | 11 | 7.00 | - |
| 2025-07-13 08:30 pm | 0.7 | 80.60 | 8.45 | - | 42.00 | 3.30 | - | 11 | 7.00 | - |
| 2025-07-13 08:15 pm | 1.0 | 80.78 | 9.67 | 5.40 | 44.60 | 3.40 | - | 10 | 7.00 | - |
| 2025-07-13 08:00 pm | 1.0 | 81.14 | 10.77 | 6.10 | 48.70 | 3.70 | - | 10 | 7.00 | - |
| 2025-07-13 07:45 pm | 1.0 | 81.50 | 16.03 | 9.30 | 57.60 | 4.30 | - | 9 | 7.10 | - |
| 2025-07-13 07:30 pm | 1.0 | 83.48 | 38.28 | 24.20 | 86.40 | 5.90 | - | 4 | 7.70 | - |
| 2025-07-13 07:15 pm | 1.0 | 83.84 | 43.51 | 27.90 | 97.00 | 6.40 | - | 2 | 7.80 | - |
| 2025-07-13 07:00 pm | 1.0 | 83.84 | 46.73 | 30.30 | 100.40 | 6.60 | - | 2 | 7.90 | - |
| 2025-07-13 06:45 pm | 1.0 | 83.66 | 48.37 | 31.50 | 101.30 | 6.60 | - | 1 | 8.00 | - |
| 2025-07-13 06:30 pm | 1.0 | 83.84 | 48.40 | 31.50 | 104.60 | 6.80 | - | 1 | 8.00 | - |
| 2025-07-13 06:15 pm | 1.0 | 83.84 | 48.30 | 31.40 | 106.00 | 6.90 | - | 1 | 8.00 | - |
| 2025-07-13 06:00 pm | 1.0 | 83.84 | 47.69 | 31.00 | 108.70 | 7.10 | - | 1 | 8.00 | - |
| 2025-07-13 05:45 pm | 1.0 | 84.02 | 47.63 | 30.90 | 110.80 | 7.20 | - | 1 | 8.00 | - |
| 2025-07-13 05:30 pm | 1.0 | 84.20 | 47.43 | 30.80 | 111.70 | 7.30 | - | 1 | 8.00 | - |
| 2025-07-13 05:15 pm | 1.0 | 84.38 | 46.72 | 30.20 | 113.30 | 7.40 | - | 1 | 8.00 | - |
| 2025-07-13 05:00 pm | 1.0 | 84.38 | 46.04 | 29.70 | 115.10 | 7.50 | - | 1 | 8.00 | - |
| 2025-07-13 04:45 pm | 0.7 | 84.38 | 45.24 | 29.20 | 115.50 | 7.50 | - | 2 | 8.00 | - |
| 2025-07-13 04:30 pm | 0.7 | 84.56 | 43.78 | 28.10 | 115.30 | 7.60 | - | 2 | 8.00 | - |
| 2025-07-13 04:15 pm | 0.7 | 84.56 | 42.09 | 26.90 | 113.00 | 7.50 | - | 2 | 8.00 | - |
| 2025-07-13 04:00 pm | 0.7 | 84.56 | 40.16 | 25.50 | 111.40 | 7.40 | - | 3 | 8.00 | - |
| 2025-07-13 03:45 pm | 0.7 | 84.74 | 38.94 | 24.70 | 111.40 | 7.40 | - | 3 | 8.00 | - |
| 2025-07-13 03:30 pm | 0.3 | 84.74 | 33.71 | 21.00 | 100.50 | 6.90 | - | 5 | 7.90 | - |
| 2025-07-13 03:15 pm | 0.3 | 84.38 | 27.18 | 16.60 | 91.60 | 6.40 | - | 6 | 7.70 | - |
| 2025-07-13 03:00 pm | 0.3 | 84.38 | 23.94 | 14.40 | 85.40 | 6.10 | - | 9 | 7.50 | - |
| 2025-07-13 02:45 pm | 0.3 | 84.20 | 20.68 | 12.30 | 78.50 | 5.60 | - | 8 | 7.30 | - |
| 2025-07-13 02:30 pm | 0.0 | 84.20 | 19.33 | 11.40 | 74.30 | 5.40 | - | 8 | 7.20 | - |
| 2025-07-13 02:15 pm | 0.0 | 84.02 | 16.05 | 9.30 | 70.80 | 5.20 | - | 9 | 7.10 | - |
| 2025-07-13 02:00 pm | 0.0 | 83.84 | 13.02 | 7.50 | 66.50 | 4.90 | - | 10 | 7.00 | - |
| 2025-07-13 01:45 pm | 0.0 | 83.48 | 10.18 | 5.70 | 61.20 | 4.60 | - | 12 | 7.00 | - |
| 2025-07-13 01:30 pm | 0.0 | 83.12 | 7.29 | - | 55.90 | 4.30 | - | 13 | 6.90 | - |
| 2025-07-13 01:15 pm | 0.0 | 82.76 | - | - | 49.40 | 3.80 | - | 14 | 6.90 | - |
| 2025-07-13 01:00 pm | 0.0 | 82.58 | - | - | 48.70 | 3.80 | - | 13 | 6.90 | - |
| 2025-07-13 12:45 pm | 0.0 | 82.58 | - | - | 47.90 | 3.70 | - | 13 | 6.90 | - |
| 2025-07-13 12:30 pm | 0.3 | 82.40 | - | - | 47.30 | 3.70 | - | 13 | 6.90 | - |
| 2025-07-13 12:15 pm | 0.3 | 82.22 | - | - | 46.80 | 3.70 | - | 13 | 6.90 | - |
| 2025-07-13 12:00 pm | 0.3 | 81.68 | - | - | 46.10 | 3.60 | - | 13 | 6.90 | - |
| 2025-07-13 11:45 am | 0.3 | 81.50 | - | - | 46.10 | 3.60 | - | 13 | 6.90 | - |
| 2025-07-13 11:30 am | 0.3 | 80.96 | - | - | 45.20 | 3.60 | - | 13 | 6.90 | - |
| 2025-07-13 11:15 am | 0.3 | 80.78 | - | - | 44.30 | 3.50 | - | 14 | 6.90 | - |
| 2025-07-13 11:00 am | 0.3 | 80.42 | - | - | 43.90 | 3.50 | - | 13 | 6.90 | - |
| 2025-07-13 10:45 am | 0.3 | 79.88 | - | - | 43.20 | 3.50 | - | 13 | 6.90 | - |
| 2025-07-13 10:30 am | 0.3 | 79.34 | - | - | 41.90 | 3.40 | - | 14 | 6.90 | - |
| 2025-07-13 10:15 am | 0.3 | 79.16 | - | - | 41.20 | 3.30 | - | 13 | 6.90 | - |
| 2025-07-13 10:00 am | 0.3 | 78.80 | - | - | 40.30 | 3.30 | - | 14 | 6.90 | - |
| 2025-07-13 09:45 am | 0.3 | 78.44 | - | - | 39.40 | 3.20 | - | 13 | 6.90 | - |
| 2025-07-13 09:30 am | 0.3 | 78.26 | - | - | 38.90 | 3.20 | - | 13 | 6.90 | - |
| 2025-07-13 09:15 am | 0.3 | 78.08 | - | - | 38.00 | 3.10 | - | 13 | 6.90 | - |
| 2025-07-13 09:00 am | 0.3 | 77.90 | - | - | 37.00 | 3.00 | - | 13 | 6.90 | - |
| 2025-07-13 08:45 am | 0.3 | 77.72 | - | - | 36.10 | 3.00 | - | 13 | 6.90 | - |
| 2025-07-13 08:30 am | 0.0 | 77.54 | - | - | 35.80 | 2.90 | - | 14 | 6.90 | - |
| 2025-07-13 08:15 am | 0.0 | 77.54 | - | - | 35.20 | 2.90 | - | 14 | 6.90 | - |
| 2025-07-13 08:00 am | 0.0 | 77.54 | - | - | 35.00 | 2.90 | - | 14 | 6.90 | - |
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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