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): | 0.3 ft |
 Ocean Temperature (OTMP): | 70.52 °F |
| Oxygen Saturation (O2PCT): | 50.7% |
| Oxygen Concentration (O2PPM): | 4.50 ppm |
| Turbidity (TURB): | 9 FTU |
| pH (PH): | 7.00 |
| TIME (HST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-15 11:00 pm | 0.3 | 70.52 | - | - | 51.50 | 4.50 | - | 10 | 7.00 | - |
| 2026-02-15 10:45 pm | 0.3 | 70.70 | - | - | 51.60 | 4.60 | - | 11 | 7.00 | - |
| 2026-02-15 10:30 pm | 0.3 | 70.70 | - | - | 51.60 | 4.60 | - | 10 | 7.00 | - |
| 2026-02-15 10:15 pm | 0.3 | 70.88 | - | - | 52.40 | 4.60 | - | 10 | 7.00 | - |
| 2026-02-15 10:00 pm | 0.3 | 70.88 | - | - | 51.80 | 4.60 | - | 10 | 7.00 | - |
| 2026-02-15 09:45 pm | 0.3 | 70.88 | - | - | 51.20 | 4.50 | - | 10 | 7.00 | - |
| 2026-02-15 09:30 pm | 0.3 | 71.06 | - | - | 51.70 | 4.50 | - | 9 | 7.00 | - |
| 2026-02-15 09:15 pm | 0.3 | 71.06 | - | - | 52.00 | 4.60 | - | 9 | 7.00 | - |
| 2026-02-15 09:00 pm | 0.3 | 71.06 | - | - | 52.30 | 4.60 | - | 9 | 7.00 | - |
| 2026-02-15 08:45 pm | 0.3 | 71.06 | - | - | 53.50 | 4.70 | - | 10 | 7.00 | - |
| 2026-02-15 08:30 pm | 0.3 | 71.24 | - | - | 53.40 | 4.70 | - | 10 | 7.00 | - |
| 2026-02-15 08:15 pm | 0.3 | 71.24 | - | - | 52.80 | 4.60 | - | 10 | 7.00 | - |
| 2026-02-15 08:00 pm | 0.3 | 71.42 | - | - | 53.50 | 4.70 | - | 10 | 7.00 | - |
| 2026-02-15 07:45 pm | 0.3 | 71.42 | - | - | 53.70 | 4.70 | - | 67 | 7.00 | - |
| 2026-02-15 07:30 pm | 0.3 | 71.60 | - | - | 53.10 | 4.60 | - | 9 | 7.00 | - |
| 2026-02-15 07:15 pm | 0.3 | 71.60 | - | - | 52.30 | 4.60 | - | 9 | 7.00 | - |
| 2026-02-15 07:00 pm | 0.3 | 71.78 | - | - | 52.60 | 4.60 | - | 9 | 7.00 | - |
| 2026-02-15 06:45 pm | 0.3 | 71.78 | - | - | 52.20 | 4.60 | - | 10 | 7.00 | - |
| 2026-02-15 06:30 pm | 0.3 | 71.96 | - | - | 52.40 | 4.60 | - | 9 | 7.00 | - |
| 2026-02-15 06:15 pm | 0.3 | 71.96 | - | - | 53.30 | 4.60 | - | 9 | 7.00 | - |
| 2026-02-15 06:00 pm | 0.3 | 72.14 | - | - | 53.80 | 4.70 | - | 8 | 7.00 | - |
| 2026-02-15 05:45 pm | 0.3 | 72.14 | - | - | 54.20 | 4.70 | - | 8 | 7.00 | - |
| 2026-02-15 05:30 pm | 0.3 | 72.32 | - | - | 54.10 | 4.70 | - | 8 | 7.00 | - |
| 2026-02-15 05:15 pm | 0.3 | 72.32 | - | - | 54.20 | 4.70 | - | 8 | 7.00 | - |
| 2026-02-15 05:00 pm | 0.7 | 72.50 | - | - | 54.70 | 4.70 | - | 8 | 7.00 | - |
| 2026-02-15 04:45 pm | 0.7 | 72.50 | - | - | 55.30 | 4.80 | - | 8 | 7.00 | - |
| 2026-02-15 04:30 pm | 0.7 | 72.68 | - | - | 55.50 | 4.80 | - | 8 | 7.00 | - |
| 2026-02-15 04:15 pm | 0.7 | 72.68 | - | - | 55.40 | 4.80 | - | 7 | 7.00 | - |
| 2026-02-15 04:00 pm | 0.7 | 72.86 | - | - | 55.80 | 4.80 | - | 7 | 7.00 | - |
| 2026-02-15 03:45 pm | 0.7 | 72.86 | - | - | 56.20 | 4.80 | - | 7 | 7.00 | - |
| 2026-02-15 03:30 pm | 0.7 | 73.04 | - | - | 56.70 | 4.90 | - | 8 | 7.00 | - |
| 2026-02-15 02:15 pm | 0.7 | 73.22 | - | - | 55.30 | 4.80 | - | 9 | 7.00 | - |
| 2026-02-15 02:00 pm | 0.7 | 73.22 | - | - | 54.90 | 4.70 | - | 8 | 7.00 | - |
| 2026-02-15 01:45 pm | 0.7 | 73.40 | - | - | 53.90 | 4.60 | - | 7 | 7.00 | - |
| 2026-02-15 01:30 pm | 0.7 | 73.22 | - | - | 52.80 | 4.50 | - | 7 | 7.00 | - |
| 2026-02-15 01:15 pm | 0.7 | 73.22 | - | - | 52.90 | 4.50 | - | 7 | 7.00 | - |
| 2026-02-15 01:00 pm | 0.7 | 73.22 | - | - | 51.30 | 4.40 | - | 7 | 7.00 | - |
| 2026-02-15 12:45 pm | 0.7 | 73.22 | - | - | 51.00 | 4.40 | - | 7 | 6.90 | - |
| 2026-02-15 12:30 pm | 0.7 | 73.22 | - | - | 50.10 | 4.30 | - | 7 | 6.90 | - |
| 2026-02-15 12:15 pm | 0.7 | 73.04 | - | - | 48.40 | 4.20 | - | 7 | 6.90 | - |
| 2026-02-15 12:00 pm | 0.7 | 73.04 | - | - | 46.70 | 4.00 | - | 7 | 6.90 | - |
| 2026-02-15 11:45 am | 0.7 | 72.86 | - | - | 44.90 | 3.90 | - | 7 | 6.90 | - |
| 2026-02-15 11:30 am | 0.7 | 72.68 | - | - | 43.80 | 3.80 | - | 7 | 6.90 | - |
| 2026-02-15 11:15 am | 0.7 | 72.68 | - | - | 43.10 | 3.70 | - | 8 | 6.90 | - |
| 2026-02-15 11:00 am | 0.7 | 72.32 | - | - | 41.70 | 3.60 | - | 7 | 6.90 | - |
| 2026-02-15 10:45 am | 0.7 | 72.14 | - | - | 40.20 | 3.50 | - | 7 | 6.90 | - |
| 2026-02-15 10:30 am | 0.7 | 71.96 | - | - | 39.30 | 3.40 | - | 7 | 6.90 | - |
| 2026-02-15 10:15 am | 0.7 | 71.78 | - | - | 37.90 | 3.30 | - | 7 | 6.90 | - |
| 2026-02-15 10:00 am | 0.7 | 71.60 | - | - | 37.20 | 3.30 | - | 8 | 6.90 | - |
| 2026-02-15 09:45 am | 0.7 | 71.42 | - | - | 36.40 | 3.20 | - | 7 | 6.90 | - |
| 2026-02-15 09:30 am | 0.7 | 71.24 | - | - | 35.60 | 3.10 | - | 7 | 6.90 | - |
| 2026-02-15 09:15 am | 0.7 | 71.06 | - | - | 34.80 | 3.10 | - | 7 | 6.90 | - |
| 2026-02-15 09:00 am | 0.7 | 71.06 | - | - | 34.30 | 3.00 | - | 7 | 6.90 | - |
| 2026-02-15 08:45 am | 0.7 | 70.88 | - | - | 33.60 | 2.90 | - | 7 | 6.90 | - |
| 2026-02-15 08:30 am | 1.0 | 70.88 | - | - | 33.00 | 2.90 | - | 7 | 6.90 | - |
| 2026-02-15 08:15 am | 1.0 | 70.88 | - | - | 32.60 | 2.90 | - | 7 | 7.00 | - |
| 2026-02-15 08:00 am | 1.0 | 70.88 | - | - | 32.20 | 2.80 | - | 6 | 6.90 | - |
| 2026-02-15 07:45 am | 1.0 | 70.88 | - | - | 31.90 | 2.80 | - | 6 | 7.00 | - |
| 2026-02-15 07:30 am | 1.0 | 70.88 | - | - | 31.70 | 2.80 | - | 6 | 6.90 | - |
| 2026-02-15 07:15 am | 1.0 | 70.88 | - | - | 31.60 | 2.80 | - | 6 | 7.00 | - |
| 2026-02-15 07:00 am | 1.0 | 70.88 | - | - | 31.10 | 2.70 | - | 6 | 7.00 | - |
| 2026-02-15 06:45 am | 1.0 | 70.88 | - | - | 30.40 | 2.70 | - | 7 | 7.10 | - |
| 2026-02-15 06:30 am | 1.0 | 71.06 | - | - | 29.20 | 2.60 | - | 7 | 7.00 | - |
| 2026-02-15 06:15 am | 1.3 | 71.06 | - | - | 29.20 | 2.50 | - | 7 | 7.10 | - |
| 2026-02-15 06:00 am | 1.3 | 71.06 | - | - | 29.60 | 2.60 | - | 7 | 7.10 | - |
| 2026-02-15 05:45 am | 1.3 | 71.24 | 6.79 | - | 28.70 | 2.50 | - | 6 | 7.00 | - |
| 2026-02-15 05:30 am | 1.3 | 71.60 | 12.15 | 7.00 | 29.50 | 2.50 | - | 6 | 7.00 | - |
| 2026-02-15 05:15 am | 1.3 | 71.42 | 11.71 | 6.70 | 33.40 | 2.80 | - | 5 | 7.00 | - |
| 2026-02-15 05:00 am | 1.3 | 71.60 | 12.46 | 7.20 | 41.60 | 3.50 | - | 5 | 7.10 | - |
| 2026-02-15 04:45 am | 1.3 | 71.96 | 20.98 | 12.60 | 48.60 | 3.90 | - | 4 | 7.30 | - |
| 2026-02-15 04:30 am | 1.3 | 72.50 | 36.39 | 23.00 | 64.60 | 4.90 | - | 2 | 7.70 | - |
| 2026-02-15 04:15 am | 1.3 | 72.50 | 39.30 | 25.10 | 70.00 | 5.20 | - | 1 | 7.80 | - |
| 2026-02-15 04:00 am | 1.3 | 72.68 | 40.03 | 25.60 | 72.20 | 5.40 | - | 1 | 7.90 | - |
| 2026-02-15 03:45 am | 1.3 | 72.68 | 39.91 | 25.50 | 73.50 | 5.50 | - | 1 | 7.90 | - |
| 2026-02-15 03:30 am | 1.3 | 72.68 | 39.30 | 25.10 | 74.30 | 5.60 | - | 1 | 7.90 | - |
| 2026-02-15 03:15 am | 1.3 | 72.68 | 38.86 | 24.80 | 75.60 | 5.70 | - | 1 | 7.90 | - |
| 2026-02-15 03:00 am | 1.3 | 72.68 | 38.18 | 24.30 | 76.30 | 5.70 | - | 2 | 7.90 | - |
| 2026-02-15 02:45 am | 1.3 | 72.68 | 36.48 | 23.10 | 75.70 | 5.70 | - | 2 | 7.90 | - |
| 2026-02-15 02:30 am | 1.3 | 72.50 | 35.14 | 22.20 | 75.60 | 5.80 | - | 2 | 7.80 | - |
| 2026-02-15 02:15 am | 1.3 | 72.50 | 34.52 | 21.70 | 77.10 | 5.90 | - | 2 | 7.80 | - |
| 2026-02-15 02:00 am | 1.3 | 72.50 | 33.03 | 20.70 | 77.30 | 5.90 | - | 2 | 7.80 | - |
| 2026-02-15 01:45 am | 1.0 | 72.32 | 30.48 | 18.90 | 77.40 | 6.00 | - | 3 | 7.80 | - |
| 2026-02-15 01:30 am | 1.0 | 72.14 | 28.33 | 17.50 | 76.80 | 6.00 | - | 3 | 7.70 | - |
| 2026-02-15 01:15 am | 1.0 | 72.14 | 24.81 | 15.10 | 75.60 | 6.00 | - | 5 | 7.70 | - |
| 2026-02-15 01:00 am | 0.7 | 71.96 | 23.08 | 14.00 | 73.30 | 5.90 | - | 4 | 7.60 | - |
| 2026-02-15 12:45 am | 0.7 | 71.96 | 20.08 | 12.00 | 72.90 | 5.90 | - | 6 | 7.50 | - |
| 2026-02-15 12:30 am | 0.7 | 71.96 | 19.13 | 11.40 | 70.80 | 5.80 | - | 7 | 7.40 | - |
| 2026-02-15 12:15 am | 0.3 | 71.96 | 16.58 | 9.70 | 68.10 | 5.60 | - | 7 | 7.30 | - |
| 2026-02-15 12:00 am | 0.3 | 71.96 | 13.76 | 8.00 | 64.10 | 5.30 | - | 6 | 7.20 | - |
Historical data for station HWWH1 are available at the NERRS website.
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