Reservoir · New South Wales · Australia · BOM Water Data Online
Gunidgera Weir
82.1% full
Capacity
1.9 hm³
Volume stored
2 hm³
Coordinates
30.198°S, 149.439°E
Last updated
2026-10-11
Current fill
82.1%vs 7 days ago
-2.1%losing
vs 1 year ago
-3.0%year-over-year
7-day trend
↓falling
Drought context
Storage vs October average
98%of normal
82.1% full on 2026-10-11, against an average of 83.6% for October across 4 years of readings (-1.5 points).
Rain over the last three months · 21 September 2026
Near normal
In the three months to 21 September 2026 the area around Gunidgera Weir had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.51). Rain, not storage. Australia drought figures →
Data source: Bureau of Meteorology — Water Data Online (KiWIS) — daily mean storage volume, quality-controlled. Capacity from the BOM Water Storages ArcGIS layer (total design capacity in ML). Last reading: 2026-10-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -30.198, 149.439 · Open in Google Maps
About Gunidgera Weir
As of October 11, 2026, Gunidgera Weir is filled to 82.1% of its total capacity, holding roughly 2 hm³ of water out of a maximum 2 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 2.1 percentage points, and it is 3.0 points below its level on the same date a year earlier.
Across the readings we hold for Gunidgera Weir — 1085 data points between October 13, 2023 and October 11, 2026 — the level has ranged from a low of 0.0% (May 30, 2024) to a high of 147.6% (August 26, 2025). On average the reservoir is fullest around January and at its lowest around May.
It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 82.1%
- Water stored
- 2 hm³
- Total capacity
- 2 hm³
- 7-day change
- ▼ 2.1 pts
- Year-on-year
- ▼ 3.0 pts
- Primary use
- Water supply
- Operator
- BOM
- Coordinates
- 30.198°S, 149.439°E
- Last updated
- October 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Oct 2026 | 82.1% | 2 |
| 10 Oct 2026 | 81.0% | 2 |
| 9 Oct 2026 | 82.2% | 2 |
| 8 Oct 2026 | 81.0% | 2 |
| 7 Oct 2026 | 79.4% | 2 |
| 6 Oct 2026 | 84.7% | 2 |
| 5 Oct 2026 | 85.2% | 2 |
| 4 Oct 2026 | 84.2% | 2 |
| 3 Oct 2026 | 86.8% | 2 |
| 2 Oct 2026 | 88.2% | 2 |
| 1 Oct 2026 | 82.6% | 2 |
| 30 Sep 2026 | 77.4% | 1 |