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): | 1.0 ft |
 Ocean Temperature (OTMP): | 74.48 °F |
| Conductivity (COND): | 37.60 mS/cm |
| Salinity (SAL): | 23.90 psu |
| Oxygen Saturation (O2PCT): | 69.2% |
| Oxygen Concentration (O2PPM): | 5.10 ppm |
| Turbidity (TURB): | 4 FTU |
| pH (PH): | 7.60 |
| TIME (HAST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-15 12:00 am | 1.0 | 74.48 | 36.70 | 23.20 | 69.30 | 5.20 | - | 4 | 7.60 | - |
| 2025-11-14 11:45 pm | 1.0 | 74.48 | 35.98 | 22.70 | 67.90 | 5.10 | - | 5 | 7.50 | - |
| 2025-11-14 11:30 pm | 1.0 | 74.66 | 32.01 | 20.00 | 63.80 | 4.80 | - | 6 | 7.30 | - |
| 2025-11-14 11:15 pm | 0.7 | 74.66 | 28.09 | 17.30 | 59.90 | 4.60 | - | 7 | 7.20 | - |
| 2025-11-14 11:00 pm | 0.7 | 74.66 | 24.62 | 15.00 | 54.80 | 4.20 | - | 8 | 7.00 | - |
| 2025-11-14 10:45 pm | 0.7 | 74.66 | 16.09 | 9.40 | 46.60 | 3.70 | - | 10 | 6.90 | - |
| 2025-11-14 10:30 pm | 0.7 | 74.66 | 7.65 | - | 41.10 | 3.40 | - | 14 | 6.80 | - |
| 2025-11-14 10:15 pm | 0.7 | 74.48 | - | - | 38.20 | 3.20 | - | 16 | 6.90 | - |
| 2025-11-14 10:00 pm | 0.7 | 74.48 | - | - | 38.50 | 3.30 | - | 16 | 6.90 | - |
| 2025-11-14 09:45 pm | 0.3 | 74.48 | - | - | 39.00 | 3.30 | - | 16 | 6.90 | - |
| 2025-11-14 09:30 pm | 0.3 | 74.66 | - | - | 39.20 | 3.30 | - | 17 | 6.90 | - |
| 2025-11-14 09:15 pm | 0.3 | 74.66 | - | - | 39.40 | 3.30 | - | 16 | 7.00 | - |
| 2025-11-14 09:00 pm | 0.3 | 74.84 | - | - | 39.60 | 3.30 | - | 16 | 7.00 | - |
| 2025-11-14 08:45 pm | 0.3 | 74.84 | - | - | 39.80 | 3.40 | - | 17 | 7.00 | - |
| 2025-11-14 08:30 pm | 0.3 | 74.84 | - | - | 40.20 | 3.40 | - | 16 | 7.00 | - |
| 2025-11-14 08:15 pm | 0.3 | 75.02 | - | - | 40.40 | 3.40 | - | 17 | 7.00 | - |
| 2025-11-14 08:00 pm | 0.3 | 75.02 | - | - | 40.30 | 3.40 | - | 17 | 7.00 | - |
| 2025-11-14 07:45 pm | 0.3 | 75.20 | - | - | 40.30 | 3.40 | - | 17 | 7.00 | - |
| 2025-11-14 07:30 pm | 0.3 | 75.38 | - | - | 40.80 | 3.40 | - | 16 | 7.00 | - |
| 2025-11-14 07:15 pm | 0.3 | 75.38 | - | - | 41.30 | 3.50 | - | 16 | 7.00 | - |
| 2025-11-14 07:00 pm | 0.3 | 75.56 | - | - | 41.80 | 3.50 | - | 16 | 7.00 | - |
| 2025-11-14 06:45 pm | 0.3 | 75.74 | - | - | 42.00 | 3.50 | - | 17 | 7.00 | - |
| 2025-11-14 06:30 pm | 0.3 | 75.92 | - | - | 42.20 | 3.50 | - | 16 | 7.00 | - |
| 2025-11-14 06:15 pm | 0.3 | 76.10 | - | - | 42.30 | 3.50 | - | 16 | 7.00 | - |
| 2025-11-14 06:00 pm | 0.3 | 76.28 | - | - | 42.50 | 3.50 | - | 17 | 7.00 | - |
| 2025-11-14 05:45 pm | 0.3 | 76.46 | - | - | 42.80 | 3.60 | - | 16 | 7.10 | - |
| 2025-11-14 05:30 pm | 0.3 | 76.64 | - | - | 43.00 | 3.60 | - | 16 | 7.10 | - |
| 2025-11-14 05:15 pm | 0.3 | 76.82 | - | - | 43.40 | 3.60 | - | 647 | 7.10 | - |
| 2025-11-14 05:00 pm | 0.3 | 77.00 | - | - | 43.60 | 3.60 | - | 16 | 7.10 | - |
| 2025-11-14 04:45 pm | 0.3 | 77.36 | - | - | 43.90 | 3.60 | - | 16 | 7.10 | - |
| 2025-11-14 04:30 pm | 0.3 | 77.54 | - | - | 44.30 | 3.60 | - | 15 | 7.10 | - |
| 2025-11-14 04:15 pm | 0.3 | 77.72 | - | - | 44.70 | 3.70 | - | 15 | 7.10 | - |
| 2025-11-14 04:00 pm | 0.3 | 78.08 | - | - | 45.30 | 3.70 | - | 15 | 7.10 | - |
| 2025-11-14 03:45 pm | 0.7 | 78.26 | - | - | 45.70 | 3.70 | - | 15 | 7.10 | - |
| 2025-11-14 03:30 pm | 0.7 | 78.44 | - | - | 45.90 | 3.70 | - | 16 | 7.10 | - |
| 2025-11-14 03:15 pm | 0.7 | 78.80 | - | - | 46.10 | 3.70 | - | 15 | 7.10 | - |
| 2025-11-14 03:00 pm | 0.7 | 78.98 | - | - | 46.50 | 3.80 | - | 15 | 7.10 | - |
| 2025-11-14 02:45 pm | 0.7 | 79.16 | - | - | 47.00 | 3.80 | - | 15 | 7.10 | - |
| 2025-11-14 02:30 pm | 0.7 | 79.16 | - | - | 47.30 | 3.80 | - | 15 | 7.10 | - |
| 2025-11-14 02:15 pm | 1.0 | 79.16 | - | - | 48.00 | 3.90 | - | 15 | 7.10 | - |
| 2025-11-14 02:00 pm | 1.0 | 79.16 | - | - | 48.60 | 3.90 | - | 15 | 7.20 | - |
| 2025-11-14 01:45 pm | 1.0 | 78.80 | - | - | 49.10 | 4.00 | - | 15 | 7.20 | - |
| 2025-11-14 01:30 pm | 1.0 | 78.26 | - | - | 49.30 | 4.00 | - | 15 | 7.20 | - |
| 2025-11-14 01:15 pm | 1.0 | 77.36 | - | - | 49.00 | 4.00 | - | 14 | 7.20 | - |
| 2025-11-14 01:00 pm | 1.0 | 76.82 | - | - | 49.30 | 4.10 | - | 14 | 7.20 | - |
| 2025-11-14 12:45 pm | 1.3 | 76.46 | - | - | 50.10 | 4.10 | - | 13 | 7.20 | - |
| 2025-11-14 12:30 pm | 1.3 | 76.28 | 6.38 | - | 52.60 | 4.30 | - | 13 | 7.20 | - |
| 2025-11-14 12:15 pm | 1.3 | 76.46 | 11.41 | 6.50 | 57.50 | 4.60 | - | 11 | 7.30 | - |
| 2025-11-14 12:00 pm | 1.3 | 77.00 | 35.12 | 22.10 | 67.50 | 4.90 | - | 5 | 7.40 | - |
| 2025-11-14 11:45 am | 1.3 | 77.36 | 40.27 | 25.70 | 72.40 | 5.20 | - | 3 | 7.50 | - |
| 2025-11-14 11:30 am | 1.3 | 77.54 | 42.77 | 27.50 | 73.10 | 5.10 | - | 3 | 7.60 | - |
| 2025-11-14 11:15 am | 1.3 | 77.36 | 42.80 | 27.50 | 73.60 | 5.20 | - | 3 | 7.60 | - |
| 2025-11-14 11:00 am | 1.3 | 77.18 | 42.50 | 27.30 | 73.80 | 5.20 | - | 3 | 7.60 | - |
| 2025-11-14 10:45 am | 1.3 | 76.82 | 42.08 | 27.00 | 73.20 | 5.20 | - | 3 | 7.60 | - |
| 2025-11-14 10:30 am | 1.3 | 76.46 | 40.90 | 26.20 | 71.80 | 5.10 | - | 3 | 7.50 | - |
| 2025-11-14 10:15 am | 1.3 | 76.10 | 38.59 | 24.50 | 69.70 | 5.10 | - | 4 | 7.50 | - |
| 2025-11-14 10:00 am | 1.3 | 75.56 | 36.58 | 23.10 | 67.90 | 5.00 | - | 4 | 7.50 | - |
| 2025-11-14 09:45 am | 1.0 | 75.20 | 36.44 | 23.00 | 66.60 | 4.90 | - | 4 | 7.50 | - |
| 2025-11-14 09:30 am | 1.0 | 74.84 | 35.59 | 22.40 | 64.50 | 4.80 | - | 4 | 7.40 | - |
| 2025-11-14 09:15 am | 1.0 | 74.48 | 32.76 | 20.50 | 59.60 | 4.50 | - | 6 | 7.30 | - |
| 2025-11-14 09:00 am | 1.0 | 74.30 | 29.16 | 18.00 | 52.20 | 4.00 | - | 7 | 7.10 | - |
| 2025-11-14 08:45 am | 1.0 | 74.12 | 21.93 | 13.20 | 45.50 | 3.60 | - | 9 | 6.90 | - |
| 2025-11-14 08:30 am | 1.0 | 73.94 | 8.44 | - | 42.00 | 3.50 | - | 14 | 6.80 | - |
| 2025-11-14 08:15 am | 1.0 | 73.76 | - | - | 41.30 | 3.50 | - | 16 | 6.90 | - |
| 2025-11-14 08:00 am | 0.7 | 73.76 | - | - | 41.20 | 3.50 | - | 17 | 6.90 | - |
| 2025-11-14 07:45 am | 0.7 | 73.58 | - | - | 41.20 | 3.50 | - | 16 | 6.90 | - |
| 2025-11-14 07:30 am | 0.7 | 73.58 | - | - | 41.20 | 3.50 | - | 17 | 6.90 | - |
| 2025-11-14 07:15 am | 0.7 | 73.58 | - | - | 41.30 | 3.50 | - | 17 | 6.90 | - |
| 2025-11-14 07:00 am | 0.7 | 73.58 | - | - | 41.60 | 3.60 | - | 17 | 6.90 | - |
| 2025-11-14 06:45 am | 0.7 | 73.58 | - | - | 41.70 | 3.60 | - | 17 | 6.90 | - |
| 2025-11-14 06:30 am | 0.7 | 73.58 | - | - | 41.40 | 3.50 | - | 17 | 6.90 | - |
| 2025-11-14 06:15 am | 0.7 | 73.76 | - | - | 41.20 | 3.50 | - | 17 | 6.90 | - |
| 2025-11-14 06:00 am | 0.7 | 73.76 | - | - | 41.10 | 3.50 | - | 17 | 6.90 | - |
| 2025-11-14 05:45 am | 0.7 | 73.76 | - | - | 40.80 | 3.50 | - | 17 | 6.90 | - |
| 2025-11-14 05:30 am | 0.7 | 73.76 | - | - | 40.70 | 3.50 | - | 17 | 6.90 | - |
| 2025-11-14 05:15 am | 0.7 | 73.76 | - | - | 40.50 | 3.50 | - | 17 | 6.90 | - |
| 2025-11-14 05:00 am | 0.7 | 73.76 | - | - | 40.30 | 3.40 | - | 16 | 6.90 | - |
| 2025-11-14 04:45 am | 0.7 | 73.76 | - | - | 40.10 | 3.40 | - | 16 | 6.90 | - |
| 2025-11-14 04:30 am | 0.7 | 73.76 | - | - | 40.00 | 3.40 | - | 17 | 6.90 | - |
| 2025-11-14 04:15 am | 0.7 | 73.76 | - | - | 40.10 | 3.40 | - | 16 | 6.90 | - |
| 2025-11-14 04:00 am | 0.7 | 73.76 | - | - | 40.00 | 3.40 | - | 16 | 6.90 | - |
| 2025-11-14 03:45 am | 0.7 | 73.76 | - | - | 39.90 | 3.40 | - | 16 | 7.00 | - |
| 2025-11-14 03:30 am | 0.7 | 73.94 | - | - | 39.80 | 3.40 | - | 16 | 7.00 | - |
| 2025-11-14 03:15 am | 0.7 | 73.94 | - | - | 40.00 | 3.40 | - | 16 | 7.00 | - |
| 2025-11-14 03:00 am | 0.7 | 73.94 | - | - | 40.00 | 3.40 | - | 16 | 7.00 | - |
| 2025-11-14 02:45 am | 0.7 | 73.94 | - | - | 40.00 | 3.40 | - | 16 | 7.00 | - |
| 2025-11-14 02:30 am | 0.7 | 73.94 | - | - | 40.30 | 3.40 | - | 16 | 7.00 | - |
| 2025-11-14 02:15 am | 0.7 | 73.94 | - | - | 41.00 | 3.50 | - | 16 | 7.00 | - |
| 2025-11-14 02:00 am | 0.7 | 73.94 | - | - | 41.70 | 3.60 | - | 16 | 7.00 | - |
| 2025-11-14 01:45 am | 0.7 | 73.94 | - | - | 42.20 | 3.60 | - | 16 | 7.00 | - |
| 2025-11-14 01:30 am | 0.7 | 73.94 | - | - | 42.40 | 3.60 | - | 16 | 7.00 | - |
| 2025-11-14 01:15 am | 0.7 | 73.94 | - | - | 42.40 | 3.60 | - | 16 | 7.10 | - |
| 2025-11-14 01:00 am | 1.0 | 73.94 | - | - | 42.70 | 3.60 | - | 16 | 7.10 | - |
Historical data for station HWWH1 are available at the NERRS website.
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