View the latest observations near Central Pacific Tropical Storm Lala and East Pacific Tropical Depression Hernan.
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): | 0.7 ft |
 Ocean Temperature (OTMP): | 86.00 °F |
| Conductivity (COND): | 30.23 mS/cm |
| Salinity (SAL): | 18.60 psu |
| Oxygen Saturation (O2PCT): | 92.7% |
| Oxygen Concentration (O2PPM): | 6.30 ppm |
| Turbidity (TURB): | 15 FTU |
| pH (PH): | 7.60 |
| TIME (HST) |
DEPTH ft |
OTMP °F |
COND mS/cm |
SAL psu |
O2% % |
O2PPM ppm |
CLCON ug/l |
TURB FTU |
PH |
EH mV |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-14 01:00 pm | 0.7 | 86.00 | 30.88 | 19.10 | 87.10 | 6.00 | - | 16 | 7.50 | - |
| 2026-08-14 12:45 pm | 0.3 | 85.28 | 22.34 | 13.40 | 78.60 | 5.50 | - | 16 | 7.30 | - |
| 2026-08-14 12:30 pm | 0.3 | 84.38 | 16.15 | 9.40 | 72.20 | 5.30 | - | 17 | 7.10 | - |
| 2026-08-14 12:15 pm | 0.3 | 83.12 | 8.60 | - | 65.50 | 5.00 | - | 17 | 7.10 | - |
| 2026-08-14 12:00 pm | 0.3 | 82.22 | 5.01 | - | 62.00 | 4.80 | - | 16 | 6.90 | - |
| 2026-08-14 11:45 am | 0.3 | 81.50 | - | - | 58.80 | 4.60 | - | 19 | 7.00 | - |
| 2026-08-14 11:30 am | 0.3 | 80.96 | - | - | 57.90 | 4.60 | - | 20 | 7.10 | - |
| 2026-08-14 11:15 am | 0.3 | 80.60 | - | - | 57.10 | 4.50 | - | 19 | 7.00 | - |
| 2026-08-14 11:00 am | 0.3 | 80.24 | - | - | 56.10 | 4.50 | - | 18 | 7.00 | - |
| 2026-08-14 10:45 am | 0.3 | 79.88 | - | - | 55.30 | 4.40 | - | 24 | 7.00 | - |
| 2026-08-14 10:30 am | 0.3 | 79.52 | - | - | 54.70 | 4.40 | - | 18 | 7.00 | - |
| 2026-08-14 10:15 am | 0.3 | 79.16 | - | - | 53.90 | 4.40 | - | 18 | 7.00 | - |
| 2026-08-14 10:00 am | 0.3 | 78.80 | - | - | 52.60 | 4.30 | - | 17 | 7.00 | - |
| 2026-08-14 09:45 am | 0.3 | 78.62 | - | - | 52.20 | 4.20 | - | 18 | 7.00 | - |
| 2026-08-14 09:30 am | 0.3 | 78.26 | - | - | 51.60 | 4.20 | - | 18 | 7.10 | - |
| 2026-08-14 09:15 am | 0.3 | 77.90 | - | - | 51.10 | 4.20 | - | 16 | 7.10 | - |
| 2026-08-14 09:00 am | 0.7 | 77.72 | - | - | 50.40 | 4.10 | - | 16 | 7.10 | - |
| 2026-08-14 08:45 am | 0.7 | 77.54 | - | - | 49.20 | 4.00 | - | 16 | 7.10 | - |
| 2026-08-14 08:30 am | 0.7 | 77.36 | - | - | 48.20 | 4.00 | - | 16 | 7.00 | - |
| 2026-08-14 08:15 am | 0.7 | 77.18 | - | - | 47.70 | 3.90 | - | 16 | 7.00 | - |
| 2026-08-14 08:00 am | 0.7 | 77.18 | - | - | 48.10 | 4.00 | - | 16 | 7.10 | - |
| 2026-08-14 07:45 am | 0.7 | 77.18 | - | - | 48.10 | 4.00 | - | 16 | 7.10 | - |
| 2026-08-14 07:30 am | 0.7 | 77.36 | - | - | 47.50 | 3.90 | - | 16 | 7.10 | - |
| 2026-08-14 07:15 am | 0.7 | 77.36 | - | - | 46.80 | 3.90 | - | 16 | 7.10 | - |
| 2026-08-14 07:00 am | 0.7 | 77.36 | - | - | 46.50 | 3.80 | - | 16 | 7.10 | - |
| 2026-08-14 06:45 am | 0.7 | 77.36 | - | - | 46.10 | 3.80 | - | 15 | 7.10 | - |
| 2026-08-14 06:30 am | 0.7 | 77.36 | - | - | 46.50 | 3.80 | - | 15 | 7.10 | - |
| 2026-08-14 06:15 am | 0.7 | 77.36 | - | - | 46.60 | 3.80 | - | 15 | 7.10 | - |
| 2026-08-14 06:00 am | 0.7 | 77.54 | - | - | 45.90 | 3.80 | - | 15 | 7.10 | - |
| 2026-08-14 05:45 am | 1.0 | 77.54 | - | - | 45.60 | 3.80 | - | 15 | 7.10 | - |
| 2026-08-14 05:30 am | 1.0 | 77.54 | - | - | 45.80 | 3.80 | - | 15 | 7.10 | - |
| 2026-08-14 05:15 am | 1.0 | 77.72 | - | - | 45.60 | 3.70 | - | 14 | 7.10 | - |
| 2026-08-14 05:00 am | 1.0 | 77.72 | - | - | 45.40 | 3.70 | - | 14 | 7.10 | - |
| 2026-08-14 04:45 am | 1.0 | 77.72 | - | - | 46.10 | 3.80 | - | 14 | 7.10 | - |
| 2026-08-14 04:30 am | 1.0 | 77.72 | - | - | 46.00 | 3.80 | - | 14 | 7.10 | - |
| 2026-08-14 04:15 am | 1.0 | 77.90 | - | - | 46.00 | 3.80 | - | 14 | 7.10 | - |
| 2026-08-14 04:00 am | 1.0 | 77.90 | - | - | 46.10 | 3.80 | - | 14 | 7.10 | - |
| 2026-08-14 03:45 am | 1.0 | 77.90 | - | - | 46.70 | 3.80 | - | 14 | 7.20 | - |
| 2026-08-14 03:30 am | 1.0 | 77.90 | - | - | 47.60 | 3.90 | - | 14 | 7.20 | - |
| 2026-08-14 03:15 am | 1.0 | 78.08 | - | - | 48.30 | 3.90 | - | 13 | 7.10 | - |
| 2026-08-14 03:00 am | 1.0 | 78.26 | - | - | 48.90 | 3.90 | - | 13 | 7.10 | - |
| 2026-08-14 02:45 am | 1.0 | 78.26 | - | - | 48.70 | 3.90 | - | 13 | 7.10 | - |
| 2026-08-14 02:30 am | 1.0 | 78.44 | 7.52 | - | 49.20 | 3.90 | - | 12 | 7.10 | - |
| 2026-08-14 02:15 am | 1.0 | 78.44 | 6.12 | - | 47.70 | 3.80 | - | 12 | 7.00 | - |
| 2026-08-14 02:00 am | 1.0 | 78.26 | - | - | 46.80 | 3.80 | - | 13 | 7.00 | - |
| 2026-08-14 01:45 am | 0.7 | 78.26 | - | - | 46.90 | 3.80 | - | 13 | 7.10 | - |
| 2026-08-14 01:30 am | 0.7 | 78.26 | - | - | 47.50 | 3.90 | - | 14 | 7.10 | - |
| 2026-08-14 01:15 am | 0.7 | 78.26 | - | - | 48.40 | 3.90 | - | 14 | 7.10 | - |
| 2026-08-14 01:00 am | 0.7 | 78.44 | - | - | 48.10 | 3.90 | - | 15 | 7.10 | - |
| 2026-08-14 12:45 am | 0.7 | 78.44 | - | - | 47.40 | 3.90 | - | 14 | 7.10 | - |
| 2026-08-14 12:30 am | 0.7 | 78.62 | - | - | 47.40 | 3.90 | - | 14 | 7.10 | - |
| 2026-08-14 12:15 am | 0.7 | 78.62 | - | - | 47.50 | 3.90 | - | 15 | 7.10 | - |
| 2026-08-14 12:00 am | 0.7 | 78.62 | - | - | 47.60 | 3.90 | - | 15 | 7.10 | - |
| 2026-08-13 11:45 pm | 0.7 | 78.80 | - | - | 47.70 | 3.90 | - | 15 | 7.10 | - |
| 2026-08-13 11:30 pm | 0.7 | 78.80 | - | - | 47.80 | 3.90 | - | 15 | 7.10 | - |
| 2026-08-13 11:15 pm | 0.7 | 78.98 | - | - | 47.90 | 3.90 | - | 15 | 7.10 | - |
| 2026-08-13 11:00 pm | 0.7 | 78.98 | - | - | 48.00 | 3.90 | - | 15 | 7.10 | - |
| 2026-08-13 10:45 pm | 0.7 | 79.16 | - | - | 47.70 | 3.90 | - | 15 | 7.20 | - |
| 2026-08-13 10:30 pm | 0.7 | 79.34 | - | - | 47.30 | 3.80 | - | 15 | 7.20 | - |
| 2026-08-13 10:15 pm | 0.7 | 79.34 | - | - | 47.40 | 3.80 | - | 15 | 7.20 | - |
| 2026-08-13 10:00 pm | 0.7 | 79.52 | - | - | 47.00 | 3.80 | - | 15 | 7.20 | - |
| 2026-08-13 09:45 pm | 0.7 | 79.70 | - | - | 46.40 | 3.70 | - | 16 | 7.20 | - |
| 2026-08-13 09:30 pm | 1.0 | 79.70 | - | - | 46.50 | 3.70 | - | 15 | 7.20 | - |
| 2026-08-13 08:15 pm | 1.0 | 80.60 | - | - | 47.60 | 3.80 | - | 14 | 7.30 | - |
| 2026-08-13 08:00 pm | 1.0 | 80.96 | - | - | 48.90 | 3.90 | - | 16 | 7.30 | - |
| 2026-08-13 07:45 pm | 1.3 | 81.32 | - | - | 49.20 | 3.90 | - | 15 | 7.30 | - |
| 2026-08-13 07:30 pm | 1.3 | 82.04 | 9.53 | 5.30 | 53.50 | 4.10 | - | 14 | 7.40 | - |
| 2026-08-13 07:15 pm | 1.3 | 81.86 | 5.43 | - | 53.50 | 4.20 | - | 15 | 7.50 | - |
| 2026-08-13 07:00 pm | 1.3 | 83.66 | 35.46 | 22.30 | 75.60 | 5.20 | - | 13 | 7.80 | - |
| 2026-08-13 06:45 pm | 1.3 | 83.84 | 36.35 | 22.90 | 88.40 | 6.00 | - | 9 | 7.90 | - |
| 2026-08-13 06:30 pm | 1.6 | 84.20 | 38.52 | 24.40 | 93.70 | 6.30 | - | 11 | 7.90 | - |
| 2026-08-13 06:15 pm | 1.6 | 84.38 | 39.85 | 25.30 | 92.60 | 6.20 | - | 15 | 7.90 | - |
| 2026-08-13 06:00 pm | 1.6 | 84.38 | 40.13 | 25.50 | 100.30 | 6.70 | - | 11 | 8.00 | - |
| 2026-08-13 05:45 pm | 1.6 | 84.56 | 41.48 | 26.50 | 101.30 | 6.70 | - | 14 | 8.00 | - |
| 2026-08-13 05:30 pm | 2.0 | 84.56 | 40.78 | 26.00 | 101.50 | 6.70 | - | 8 | 8.00 | - |
| 2026-08-13 05:15 pm | 2.0 | 84.92 | 42.88 | 27.50 | 101.50 | 6.70 | - | 7 | 8.00 | - |
| 2026-08-13 05:00 pm | 2.0 | 84.92 | 48.64 | 31.60 | 112.70 | 7.20 | - | 3 | 7.90 | - |
| 2026-08-13 04:45 pm | 2.0 | 85.10 | 50.06 | 32.70 | 123.30 | 7.90 | - | 2 | 8.00 | - |
| 2026-08-13 04:30 pm | 2.0 | 85.28 | 51.53 | 33.70 | 133.60 | 8.50 | - | 2 | 8.10 | - |
| 2026-08-13 04:15 pm | 2.0 | 85.28 | 51.76 | 33.90 | 138.20 | 8.70 | - | 2 | 8.20 | - |
| 2026-08-13 04:00 pm | 2.0 | 85.46 | 51.81 | 33.90 | - | 8.90 | - | 2 | 8.20 | - |
| 2026-08-13 03:45 pm | 2.0 | 85.28 | 51.79 | 33.90 | - | 8.90 | - | 2 | 8.20 | - |
| 2026-08-13 03:30 pm | 2.0 | 85.10 | 51.76 | 33.90 | 139.80 | 8.90 | - | 2 | 8.20 | - |
| 2026-08-13 03:15 pm | 2.0 | 85.10 | 51.66 | 33.80 | 139.40 | 8.80 | - | 2 | 8.20 | - |
| 2026-08-13 03:00 pm | 2.0 | 85.10 | 51.44 | 33.70 | 138.40 | 8.80 | - | 3 | 8.10 | - |
| 2026-08-13 02:45 pm | 1.6 | 84.92 | 50.94 | 33.30 | 136.10 | 8.70 | - | 3 | 8.10 | - |
| 2026-08-13 02:30 pm | 1.6 | 84.74 | 50.58 | 33.00 | 132.50 | 8.50 | - | 3 | 8.10 | - |
| 2026-08-13 02:15 pm | 1.6 | 84.92 | 49.86 | 32.50 | 128.10 | 8.20 | - | 4 | 8.10 | - |
| 2026-08-13 02:00 pm | 1.3 | 85.10 | 48.27 | 31.40 | 121.70 | 7.80 | - | 6 | 8.00 | - |
Historical data for station HWWH1 are available at the NERRS website.
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