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Wahiawa Reservoir water level today

Lake in Honolulu County, Hawaii

54.20ft
16.52 m · gauge reading (local datum, not an elevation)
Measured · provisional
Much below normal for the dateFallingNOAA: No flooding
24 hours
▼ 0.62 ft
7 days
▲ 0.75 ft
30 days
▼ 4.71 ft
Normal for Oct 23 ?
66.07 ft

At a glance · Oct 23

Much lower than usual

Wahiawa Reservoir is 11.9 ft lower than normal for Oct 23, lower than on this date in all of the last 10 years.

  • This week↗ Rising 0.75 ft
  • Lowest on record↓ 45.91 ft (2026)

Compared with this gauge's own records for the same date. A statistical guide, not advice.

Normal for Oct 23Record lowToday54.20 ft

Today compared with past years on Oct 23

Lowest to highest on this date: 58.32–81.42 ftUsual range (10th–90th percentile): 61.87–74.46 ftNormal (25th–75th percentile): 63.22–70.17 ftToday: 54.20 ftToday 54.20 ftMedian 66.07Lowest 58.32Highest 81.4225th75th
Lowest to highest on this date: 58.32–81.42 ftUsual range (10th–90th percentile): 61.87–74.46 ftNormal (25th–75th percentile): 63.22–70.17 ftToday: 54.20 ftToday 54.20 ftMedian 66.07Highest 81.4225th75th

Where today's reading sits among this gauge's own records for the same date (±3 days). A statistical guide, not advice.

What this means

It is lower than on Oct 23 in every one of the last 10 years on record.

The lake has risen 0.75 ft in 7 days and fallen 4.71 ft in 30 days.

Since 2005, the lowest daily level was 45.91 ft (Jul 2026) and the highest 82.96 ft (Mar 2026).

Wahiawa Reservoir level chart

Loading chart…

Measured Normal range for the date (middle 50% of past years)

2026 compared with 2025

4354647586JanFebMarAprMayJunJulAugSepOctNovDec202520262025-09-05: 61.50 ft2025-09-10: 60.83 ft2025-09-15: 60.78 ft2025-09-20: 60.09 ft2025-09-25: 60.53 ft2025-09-30: 60.21 ft2025-10-05: 59.72 ft2025-10-10: 60.06 ft2025-10-15: 59.04 ft2025-10-20: 59.34 ft2025-10-25: 60.09 ft2025-10-30: 59.95 ft2025-11-04: 59.79 ft2025-11-09: 60.89 ft2025-11-14: 64.83 ft2025-11-19: 64.28 ft2025-11-24: 66.47 ft2025-11-29: 65.53 ft2025-12-04: 64.46 ft2025-12-09: 66.16 ft2025-12-14: 65.50 ft2025-12-19: 66.40 ft2025-12-24: 66.28 ft2025-12-29: 64.79 ft2026-01-03: 67.68 ft2026-01-08: 67.92 ft2026-01-13: 64.90 ft2026-01-18: 65.16 ft2026-01-23: 64.27 ft2026-01-28: 64.43 ft2026-02-02: 64.38 ft2026-02-07: 63.61 ft2026-02-12: 73.73 ft2026-02-17: 73.25 ft2026-02-22: 80.80 ft2026-02-27: 79.29 ft2026-03-04: 75.87 ft2026-03-09: 73.20 ft2026-03-14: 81.59 ft2026-03-19: 78.95 ft2026-03-24: 80.74 ft2026-03-29: 78.98 ft2026-04-03: 75.56 ft2026-04-08: 72.12 ft2026-04-13: 74.52 ft2026-04-18: 72.29 ft2026-04-23: 67.67 ft2026-04-28: 64.27 ft2026-05-03: 61.06 ft2026-05-08: 59.43 ft2026-05-13: 59.40 ft2026-05-18: 77.45 ft2026-05-23: 75.55 ft2026-05-28: 71.61 ft2026-06-02: 72.00 ft2026-06-07: 71.21 ft2026-06-12: 69.77 ft2026-06-17: 64.59 ft2026-06-22: 56.79 ft2026-06-27: 53.22 ft2026-07-02: 51.68 ft2026-07-07: 46.35 ft2026-07-12: 51.11 ft2026-07-17: 52.74 ft2026-07-22: 52.84 ft2026-07-27: 49.55 ft2026-08-01: 47.84 ft2026-08-14: 53.28 ft2026-08-21: 77.28 ft2026-08-26: 74.20 ft2026-08-31: 69.14 ft2026-09-05: 66.26 ft2026-09-10: 71.91 ft2026-09-15: 67.45 ft2026-09-20: 63.38 ft2026-09-25: 56.03 ft2026-09-30: 47.27 ft2026-10-05: 47.29 ft2026-10-11: 53.57 ft2026-10-16: 53.44 ft
4354647586JanAprJulOct202520262025-09-05: 61.50 ft2025-09-10: 60.83 ft2025-09-15: 60.78 ft2025-09-20: 60.09 ft2025-09-25: 60.53 ft2025-09-30: 60.21 ft2025-10-05: 59.72 ft2025-10-10: 60.06 ft2025-10-15: 59.04 ft2025-10-20: 59.34 ft2025-10-25: 60.09 ft2025-10-30: 59.95 ft2025-11-04: 59.79 ft2025-11-09: 60.89 ft2025-11-14: 64.83 ft2025-11-19: 64.28 ft2025-11-24: 66.47 ft2025-11-29: 65.53 ft2025-12-04: 64.46 ft2025-12-09: 66.16 ft2025-12-14: 65.50 ft2025-12-19: 66.40 ft2025-12-24: 66.28 ft2025-12-29: 64.79 ft2026-01-03: 67.68 ft2026-01-08: 67.92 ft2026-01-13: 64.90 ft2026-01-18: 65.16 ft2026-01-23: 64.27 ft2026-01-28: 64.43 ft2026-02-02: 64.38 ft2026-02-07: 63.61 ft2026-02-12: 73.73 ft2026-02-17: 73.25 ft2026-02-22: 80.80 ft2026-02-27: 79.29 ft2026-03-04: 75.87 ft2026-03-09: 73.20 ft2026-03-14: 81.59 ft2026-03-19: 78.95 ft2026-03-24: 80.74 ft2026-03-29: 78.98 ft2026-04-03: 75.56 ft2026-04-08: 72.12 ft2026-04-13: 74.52 ft2026-04-18: 72.29 ft2026-04-23: 67.67 ft2026-04-28: 64.27 ft2026-05-03: 61.06 ft2026-05-08: 59.43 ft2026-05-13: 59.40 ft2026-05-18: 77.45 ft2026-05-23: 75.55 ft2026-05-28: 71.61 ft2026-06-02: 72.00 ft2026-06-07: 71.21 ft2026-06-12: 69.77 ft2026-06-17: 64.59 ft2026-06-22: 56.79 ft2026-06-27: 53.22 ft2026-07-02: 51.68 ft2026-07-07: 46.35 ft2026-07-12: 51.11 ft2026-07-17: 52.74 ft2026-07-22: 52.84 ft2026-07-27: 49.55 ft2026-08-01: 47.84 ft2026-08-14: 53.28 ft2026-08-21: 77.28 ft2026-08-26: 74.20 ft2026-08-31: 69.14 ft2026-09-05: 66.26 ft2026-09-10: 71.91 ft2026-09-15: 67.45 ft2026-09-20: 63.38 ft2026-09-25: 56.03 ft2026-09-30: 47.27 ft2026-10-05: 47.29 ft2026-10-11: 53.57 ft2026-10-16: 53.44 ft
20262025Normal (middle 50% of past years)Usual range (10th–90th percentile)Median

Each year drawn on the same January–December axis, over this gauge's normal range for each date. Hover or tap a point for its value.

Same date in past years

DateLevelvs today
Oct 23, 202560.19 ft▲ 5.99 ft
Oct 23, 202463.63 ft▲ 9.43 ft
Oct 23, 202363.28 ft▲ 9.08 ft
Oct 23, 202262.92 ft▲ 8.72 ft
Oct 23, 202165.69 ft▲ 11.49 ft
Oct 23, 202058.93 ft▲ 4.73 ft
Oct 23, 201967.16 ft▲ 12.96 ft
Oct 23, 201865.04 ft▲ 10.84 ft
Oct 22, 201765.04 ft▲ 10.84 ft
Oct 23, 201666.17 ft▲ 11.97 ft

Records & details

Highest
82.96 ft on Mar 20, 2026
Lowest
45.91 ft on Jul 8, 2026
Records from
2005 (21 years of daily data)
Water temperature
Not measured here

Full history: yearly highs and lows, monthly averages →

Wahiawa Dam

Height
98 ft
Completed
1906
Purposes
Irrigation
Owner
Private
Normal storage
7,761 acre-ft
Surface area
302 acres

National Inventory of Dams (U.S. Army Corps of Engineers). All dam facts →

Weather & wind

Today84°F · Mostly Sunny
Wind ENE 2 to 9 mph
Tonight68°F · Partly Cloudy
Wind NNW 8 mph
Saturday84°F · Mostly Sunny
Wind NNE 7 to 13 mph
Saturday Night68°F · Partly Cloudy
Wind NNE 8 to 13 mph
Sunday83°F · Isolated Rain Showers then Mostly Sunny
Wind NE 9 mph
Sunday Night67°F · Partly Cloudy
Wind ENE 3 to 7 mph

NOAA National Weather Service forecast for this lake's location, updated 11 min ago.

Flood information

NOAA: No flooding

Flood status comes from the NOAA National Weather Service. We do not issue warnings. Flood stages explained. For official forecasts and warnings, see the NOAA gauge page.

Nearby lakes

All Hawaii lake levels →