16 February Outlook for the 2026/27 Season
The outlooks for 2026/27 seasonal determinations are based on historical flow records that have been adjusted to match climate conditions observed since 1975.
The scenarios for different inflow conditions we/re produced using the following terminology:
- Wet: Inflow volumes to major storages that are greater in 10 years out of 100
- Above Average: Inflow volumes to major storages that are greater in 30 years out of 100
- Average: Inflow volumes to major storages that are greater in 50 years out of 100
- Below Average: Inflow volumes to major storages that are greater in 70 years out of 100
- Dry: Inflow volumes to major storages that are greater in 90 years out of 100
- Very Dry: Inflow volumes to major storages that are greater in 95 years out of 100
- Extreme Dry: Inflow volumes to major storages that are greater in 99 years out of 100
The following tables summarise possible HRWS seasonal determinations through the 2026/27 season.
Murray Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares
| Wet |
45% |
71% |
100% |
100% |
100% |
| Above Average |
40% |
50% |
100% |
100% |
100% |
| Average |
37% |
44% |
82% |
100% |
100% |
| Below Average |
30% |
39% |
60% |
92% |
100% |
| Dry |
12% |
33% |
48% |
60% |
68% |
| Very Dry |
9% |
30% |
43% |
49% |
53% |
| Extreme Dry |
5% |
13% |
31% |
34% |
35% |
Goulburn Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares
| Wet |
40% |
81% |
100% |
100% |
100% |
| Above Average |
23% |
50% |
99% |
100% |
100% |
| Average |
12% |
41% |
78% |
100% |
100% |
| Below Average |
5% |
32% |
55% |
76% |
84% |
| Dry |
0% |
16% |
35% |
42% |
45% |
| Very Dry |
0% |
9% |
28% |
33% |
35% |
| Extreme Dry |
0% |
1% |
8% |
11% |
13% |
Campaspe Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares
| Wet |
100% |
100% |
100% |
100% |
100% |
| Above Average |
32% |
100% |
100% |
100% |
100% |
| Average |
13% |
68% |
100% |
100% |
100% |
| Below Average |
6% |
34% |
85% |
100% |
100% |
| Dry |
2% |
9% |
21% |
26% |
28% |
| Very Dry |
2% |
3% |
5% |
7% |
7% |
| Extreme Dry |
2% |
2% |
2% |
2% |
2% |
Broken Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares
| Wet |
52% |
71% |
100% |
100% |
100% |
| Above Average |
14% |
71% |
100% |
100% |
100% |
| Average |
0% |
49% |
100% |
100% |
100% |
| Below Average |
0% |
1% |
38% |
100% |
100% |
| Dry |
0% |
0% |
0% |
0% |
16% |
| Very Dry |
0% |
0% |
0% |
0% |
0% |
| Extreme Dry |
0% |
0% |
0% |
0% |
0% |
Loddon Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares
| Wet |
40% |
81% |
100% |
100% |
100% |
| Above Average |
23% |
50% |
99% |
100% |
100% |
| Average |
8% |
41% |
78% |
100% |
100% |
| Below Average |
0% |
32% |
55% |
76% |
84% |
| Dry |
0% |
0% |
18% |
25% |
31% |
| Very Dry |
0% |
0% |
0% |
0% |
0% |
| Extreme Dry |
0% |
0% |
0% |
0% |
0% |
Bullarook Outlook for 2026/27 Seasonal Determination of High-Reliability Water Shares
| Wet |
0% |
100% |
100% |
100% |
100% |
| Above Average |
0% |
100% |
100% |
100% |
100% |
| Average |
0% |
100% |
100% |
100% |
100% |
| Below Average |
0% |
0% |
100% |
100% |
100% |
| Dry |
0% |
0% |
0% |
0% |
0% |
| Very Dry |
0% |
0% |
0% |
0% |
0% |
| Extreme Dry |
0% |
0% |
0% |
0% |
0% |