Peradeniya · Nawalapitiya · Kotmale reservoir — the upper Mahaweli
Updated 15:30 SLST · under an hour ago
Peak 14.80 m on 28 Nov 2025, 06:30 SLST — 3.0× Alert, 1.6× Major. Today's 3.95 is 27% of it.
14 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. The gauge then reported nothing for 46 consecutive reports — so this peak is the last reading before it went silent, not necessarily the crest.
Peak 6.69 m on 28 Nov 2025, 03:30 SLST — 1.9× Alert, 1.1× Major. Today's 2.60 is 39% of it.
28 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood.
Tap a station for its chart and base rates.
| Station | Level | Alert | Next level, 24h | |
|---|---|---|---|---|
| 1.90 m | 1.4 | Minor floodMinor | 4.7% Major · n=548 | |
1.90m
15:30 SLST · DMC report
→ steady · +0.23 in 24h
0.50 m above Alert · higher than 85.6% of its history
Alert 1.4Minor 1.7Major 2.8
20 Sep 16:01 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.54–2.68 m, median 1.76 (n=201)
98.9%Alert63.1%Minor4.7%Major chance of reaching each level within 24h · from 548 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 1.70 m on 27 Nov 2025, 12:30 SLST — 1.2× Alert. Today's 1.90 is 112% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 57 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 4.72 m | 3.5 | Minor floodMinor | 10.3% Major · n=435 | |
4.72m
15:30 SLST · DMC report
→ steady · +0.32 in 24h
1.22 m above Alert · higher than 96.2% of its history
Alert 3.5Minor 4Major 5
20 Sep 16:05 → 25 Sep 15:30 SLST · shaded: usually, this time of year 2.59–4.84 m, median 4.18 (n=308)
97.7%Alert70.1%Minor10.3%Major chance of reaching each level within 24h · from 435 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 3.64 m on 26 Nov 2025, 09:30 SLST — 1.0× Alert. Today's 4.72 is 130% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 6.44 m | 5 | Minor floodMinor | 6.2% Major · n=274 | |
6.44m
15:30 SLST · DMC report
→ steady · -0.29 in 24h
1.44 m above Alert · higher than 91.6% of its history
Alert 5Minor 6Major 7.5
20 Sep 16:13 → 25 Sep 15:30 SLST · shaded: usually, this time of year 3.79–6.84 m, median 5.86 (n=309)
96.7%Alert53.3%Minor6.2%Major chance of reaching each level within 24h · from 274 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 5.60 m on 27 Nov 2025, 06:30 SLST — 1.1× Alert. Today's 6.44 is 115% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 4.80 m | 4 | Alert | 5.4% Minor · n=92 | |
4.80m
15:30 SLST · DMC report
→ steady · -0.12 in 24h
0.80 m above Alert · higher than 86.7% of its history
Alert 4Minor 6Major 7.5
20 Sep 16:09 → 25 Sep 15:30 SLST · shaded: usually, this time of year 2.33–5.25 m, median 4.04 (n=200)
95.7%Alert5.4%Minor<3%Major chance of reaching each level within 24h · from 92 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 5.46 m on 28 Nov 2025, 21:30 SLST — 1.4× Alert. Today's 4.80 is 88% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 6.10 m | 5.2 | Alert | 10.1% Minor · n=198 | |
6.10m
15:30 SLST · DMC report
→ steady · +0.11 in 24h
0.90 m above Alert · higher than 91.4% of its history
Alert 5.2Minor 7.5Major 9.5
20 Sep 16:02 → 25 Sep 15:30 SLST · shaded: usually, this time of year 1.43–6.10 m, median 3.68 (n=298)
88.4%Alert10.1%Minor<2%Major chance of reaching each level within 24h · from 198 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 10.12 m on 28 Nov 2025, 21:30 SLST — 1.9× Alert, 1.1× Major. Today's 6.10 is 60% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 56 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| Station | Level | Alert | Next level, 24h | |
|---|---|---|---|---|
| 2.95 m | 3 | Normal | 32.4% Alert · n=34 | |
2.95m
15:30 SLST · DMC report
→ steady · +0.54 in 24h
0.05 m below Alert · higher than 97.8% of its history
Alert 3Minor 4Major 6
20 Sep 16:03 → 25 Sep 15:30 SLST · shaded: usually, this time of year 1.66–2.25 m, median 1.86 (n=258)
32.4%Alert5.9%Minor2.9%Major chance of reaching each level within 24h · from 34 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 6.48 m on 28 Nov 2025, 12:30 SLST — 2.2× Alert, 1.1× Major. Today's 2.95 is 46% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 1.43 m | 1.5 | Normal | 29.5% Alert · n=61 | |
1.43m
15:30 SLST · DMC report
→ steady · +0.06 in 24h
0.07 m below Alert · higher than 92.7% of its history
Alert 1.5Minor 3Major 4.5
20 Sep 16:03 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.65–1.24 m, median 0.91 (n=266)
29.5%Alert<5%Minor<5%Major chance of reaching each level within 24h · from 61 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 3.60 m on 28 Nov 2025, 03:30 SLST — 2.4× Alert. Today's 1.43 is 40% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 51 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 6.14 m | 6.5 | Normal | 1.7% Alert · n=120 | |
6.14m
15:30 SLST · DMC report
→ steady · +1.01 in 24h
0.36 m below Alert · higher than 86.3% of its history
Alert 6.5Minor 7.5Major 9.5
20 Sep 16:04 → 25 Sep 15:30 SLST · shaded: usually, this time of year 1.87–5.91 m, median 4.42 (n=266)
1.7%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 120 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 10.95 m on 30 Nov 2025, 00:30 SLST — 1.6× Alert, 1.1× Major. Today's 6.14 is 56% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 3.75 ft | 4 | Normal | 31.5% Alert · n=54 | |
3.75ft
15:30 SLST · DMC report
→ steady · +0.75 in 24h
0.25 ft below Alert · higher than 88.5% of its history
Alert 4Minor 5Major 7
20 Sep 16:05 → 25 Sep 15:30 SLST · shaded: usually, this time of year 1.10–3.60 ft, median 2.60 (n=257)
31.5%Alert5.6%Minor<6%Major chance of reaching each level within 24h · from 54 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 8.50 ft on 1 Dec 2025, 12:30 SLST — 2.1× Alert, 1.2× Major. Today's 3.75 is 44% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 3.74 m | 4 | Normal | 18.2% Alert · n=55 | |
3.74m
15:30 SLST · DMC report
→ steady · -1.58 in 24h
0.26 m below Alert · higher than 91.7% of its history
Alert 4Minor 6Major 7.5
20 Sep 16:00 → 25 Sep 15:30 SLST · shaded: usually, this time of year 1.95–4.30 m, median 2.79 (n=298)
18.2%Alert5.5%Minor<5%Major chance of reaching each level within 24h · from 55 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 4.12 m on 28 Nov 2025, 12:30 SLST — 1.0× Alert. Today's 3.74 is 91% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 2.79 m | 3 | Normal | 6.4% Alert · n=235 | |
2.79m
15:30 SLST · DMC report
→ steady · +0.17 in 24h
0.21 m below Alert · higher than 71.7% of its history
Alert 3Minor 4Major 5
20 Sep 16:04 → 25 Sep 15:30 SLST · shaded: usually, this time of year 1.05–3.74 m, median 2.82 (n=308)
6.4%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 235 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 4.29 m on 1 Dec 2025, 00:30 SLST — 1.4× Alert. Today's 2.79 is 65% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 13.83 m | 15 | Normal | 4.6% Alert · n=280 | |
13.83m
15:30 SLST · DMC report
→ steady · +0.15 in 24h
1.17 m below Alert · higher than 88.6% of its history
Alert 15Minor 15.5Major 19
20 Sep 16:04 → 25 Sep 15:30 SLST · shaded: usually, this time of year 10.06–13.62 m, median 11.75 (n=266)
4.6%Alert1.4%Minor<1%Major chance of reaching each level within 24h · from 280 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 21.90 m on 29 Nov 2025, 00:30 SLST — 1.5× Alert, 1.2× Major. Today's 13.83 is 63% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 8.82 m | 10 | Normal | 1.8% Alert · n=277 | |
8.82m
15:30 SLST · DMC report
→ steady · +0.79 in 24h
1.18 m below Alert · higher than 79.9% of its history
Alert 10Minor 10.7Major 12.2
20 Sep 16:04 → 25 Sep 15:30 SLST · shaded: usually, this time of year 5.67–9.64 m, median 7.98 (n=306)
1.8%Alert1.1%Minor0.4%Major chance of reaching each level within 24h · from 277 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 12.01 m on 29 Nov 2025, 21:30 SLST — 1.2× Alert. Today's 8.82 is 73% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 40 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 2.86 m | 3.3 | Normal | 18.8% Alert · n=85 | |
2.86m
15:30 SLST · DMC report
→ steady · +0.06 in 24h
0.44 m below Alert · higher than 57.7% of its history
Alert 3.3Minor 4.4Major 5.5
20 Sep 16:04 → 25 Sep 15:30 SLST · shaded: usually, this time of year 1.47–4.57 m, median 3.33 (n=274)
18.8%Alert7.1%Minor<4%Major chance of reaching each level within 24h · from 85 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 7.04 m on 29 Nov 2025, 06:30 SLST — 2.1× Alert, 1.3× Major. Today's 2.86 is 41% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 3.11 m | 5 | Normal | 0.9% Alert · n=214 | |
3.11m
15:30 SLST · DMC report
→ steady · +0.18 in 24h
1.89 m below Alert · higher than 59.4% of its history
Alert 5Minor 6.2Major 9.6
20 Sep 16:06 → 25 Sep 15:30 SLST · shaded: usually, this time of year 1.74–3.55 m, median 2.93 (n=229)
0.9%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 214 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 13.46 m on 29 Nov 2025, 09:30 SLST — 2.7× Alert, 1.4× Major. Today's 3.11 is 23% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 52 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 2.46 m | 4 | Normal | 5.1% Alert · n=198 | |
2.46m
15:30 SLST · DMC report
→ steady · -1.75 in 24h
1.54 m below Alert · higher than 89.5% of its history
Alert 4Minor 5Major 6.5
20 Sep 16:01 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.74–3.09 m, median 1.94 (n=308)
5.1%Alert3%Minor<2%Major chance of reaching each level within 24h · from 198 past readings in this state (level only)
For reference: Cyclone Ditwah, Nov 2025Peak 2.77 m on 27 Nov 2025, 00:30 SLST — 0.7× Alert. Today's 2.46 is 89% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 1.38 m | 2.5 | Normal | 5.9% Alert · n=135 | |
1.38m
15:30 SLST · DMC report
→ steady · -0.78 in 24h
1.12 m below Alert · higher than 85.9% of its history
Alert 2.5Minor 4Major 6
20 Sep 16:02 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.23–1.84 m, median 1.11 (n=306)
5.9%Alert3%Minor<2%Major chance of reaching each level within 24h · from 135 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 2.97 m on 26 Nov 2025, 21:30 SLST — 1.2× Alert. Today's 1.38 is 46% of it. 26 Nov 03:30 → 3 Dec 21:30 SLST 57 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 1.33 m | 3 | Normal | 1.1% Alert · n=93 | |
1.33m
15:30 SLST · DMC report
→ steady · -0.12 in 24h
1.67 m below Alert · higher than 77.9% of its history
Alert 3Minor 5Major 7
20 Sep 16:01 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.55–1.20 m, median 0.76 (n=107)
1.1%Alert<3%Minor<3%Major chance of reaching each level within 24h · from 93 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 4.78 m on 28 Nov 2025, 12:30 SLST — 1.6× Alert. Today's 1.33 is 28% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 1.26 m | 3 | Normal | 5.7% Alert · n=211 | |
1.26m
15:30 SLST · DMC report
→ steady · -0.78 in 24h
1.74 m below Alert · higher than 69.3% of its history
Alert 3Minor 4Major 6
20 Sep 16:07 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.47–1.73 m, median 1.07 (n=266)
5.7%Alert4.3%Minor0.5%Major chance of reaching each level within 24h · from 211 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 7.27 m on 28 Nov 2025, 06:30 SLST — 2.4× Alert, 1.5× Major. Today's 1.26 is 17% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 52 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 1.98 m | 4.8 | Normal | 4.9% Alert · n=103 | |
1.98m
15:30 SLST · DMC report
→ steady · -0.40 in 24h
2.82 m below Alert · higher than 86.6% of its history
Alert 4.8Minor 5.8Major 7
20 Sep 16:04 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.81–2.32 m, median 1.45 (n=265)
4.9%Alert2.9%Minor1.9%Major chance of reaching each level within 24h · from 103 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 8.55 m on 28 Nov 2025, 12:30 SLST — 1.8× Alert, 1.3× Major. Today's 1.98 is 23% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 1.96 m | 5.5 | Normal | 0.2% Alert · n=465 | |
1.96m
15:30 SLST · DMC report
→ steady · +0.08 in 24h
3.54 m below Alert · higher than 60.6% of its history
Alert 5.5Minor 6.5Major 7.5
20 Sep 16:03 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.89–2.46 m, median 1.77 (n=223)
0.2%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 465 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 12.54 m on 29 Nov 2025, 06:30 SLST — 2.3× Alert, 1.7× Major. Today's 1.96 is 16% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 51 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 1.13 m | 4 | Normal | 0.2% Alert · n=581 | |
1.13m
15:30 SLST · DMC report
→ steady · +0.04 in 24h
2.87 m below Alert · higher than 65.4% of its history
Alert 4Minor 5Major 5.5
20 Sep 16:02 → 25 Sep 15:30 SLST · shaded: usually, this time of year -0.19–1.13 m, median 0.69 (n=127)
0.2%Alert0.2%Minor<1%Major chance of reaching each level within 24h · from 581 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 5.52 m on 27 Nov 2025, 12:30 SLST — 1.4× Alert, 1.0× Major. Today's 1.13 is 20% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 1.64 m | 6 | Normal | <1% Alert · n=538 | |
1.64m
15:30 SLST · DMC report
→ steady · +0.00 in 24h
4.36 m below Alert · higher than 43.8% of its history
Alert 6Minor 7.5Major 10.5
20 Sep 16:06 → 25 Sep 15:30 SLST · shaded: usually, this time of year 1.22–1.82 m, median 1.62 (n=128)
<1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 538 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 8.39 m on 28 Nov 2025, 12:30 SLST — 1.4× Alert. Today's 1.64 is 20% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 55 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 1.06 m | 4.4 | Normal | <0% Alert · n=685 | |
1.06m
15:30 SLST · DMC report
→ steady · +0.12 in 24h
3.34 m below Alert · higher than 68.2% of its history
Alert 4.4Minor 5.4Major 5.9
20 Sep 16:02 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.42–1.08 m, median 0.73 (n=137)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 685 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 3.18 m on 27 Nov 2025, 09:30 SLST — 0.7× Alert. Today's 1.06 is 33% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 1.01 m | 6.9 | Normal | <0% Alert · n=710 | |
1.01m
15:30 SLST · DMC report
→ steady · -0.01 in 24h
5.89 m below Alert · higher than 11.4% of its history
Alert 6.9Minor 8.4Major 8.8
20 Sep 16:01 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.93–1.35 m, median 1.04 (n=137)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 710 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 5.55 m on 27 Nov 2025, 09:30 SLST — 0.8× Alert. Today's 1.01 is 18% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 0.54 m | 5 | Normal | 0.2% Alert · n=664 | |
0.54m
15:30 SLST · DMC report
→ steady · +0.00 in 24h
4.46 m below Alert · higher than 4% of its history
Alert 5Minor 6Major 7.5
20 Sep 16:00 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.53–0.82 m, median 0.58 (n=137)
0.2%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 664 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 8.25 m on 27 Nov 2025, 06:30 SLST — 1.6× Alert, 1.1× Major. Today's 0.54 is 7% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 0.41 m | 4 | Normal | 0.5% Alert · n=649 | |
0.41m
15:30 SLST · DMC report
→ steady · +0.00 in 24h
3.59 m below Alert · higher than 15% of its history
Alert 4Minor 5Major 6
20 Sep 16:01 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.36–0.41 m, median 0.41 (n=109)
0.5%Alert0.5%Minor<0%Major chance of reaching each level within 24h · from 649 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 5.74 m on 27 Nov 2025, 18:30 SLST — 1.4× Alert. Today's 0.41 is 7% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 44 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 0.39 m | 4.75 | Normal | 2.3% Alert · n=342 | |
0.39m
15:30 SLST · DMC report
→ steady · +0.00 in 24h
4.36 m below Alert · higher than 24.5% of its history
Alert 4.75Minor 6Major 7
20 Sep 16:04 → 25 Sep 15:30 SLST · shaded: usually, this time of year -0.25–0.39 m, median 0.01 (n=68)
2.3%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 342 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 8.33 m on 28 Nov 2025, 06:30 SLST — 1.8× Alert, 1.2× Major. Today's 0.39 is 5% of it. 26 Nov 00:30 → 28 Nov 06:30 SLST 14 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. The gauge then reported nothing for 46 consecutive reports — so this peak is the last reading before it went silent, not necessarily the crest. | ||||
| 0.39 m | 5 | Normal | <1% Alert · n=275 | |
0.39m
15:30 SLST · DMC report
→ steady · -0.02 in 24h
4.61 m below Alert · higher than 3.3% of its history
Alert 5Minor 6.8Major 7.8
20 Sep 16:05 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.31–0.78 m, median 0.42 (n=96)
<1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 275 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 10.86 m on 30 Nov 2025, 18:30 SLST — 2.2× Alert, 1.4× Major. Today's 0.39 is 4% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 39 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 0.15 m | 3 | Normal | 0.2% Alert · n=620 | |
0.15m
15:30 SLST · DMC report
→ steady · +0.06 in 24h
2.85 m below Alert · higher than 7.5% of its history
Alert 3Minor 4Major 5
20 Sep 16:04 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.12–0.52 m, median 0.25 (n=129)
0.2%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 620 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 4.20 m on 27 Nov 2025, 06:30 SLST — 1.4× Alert. Today's 0.15 is 4% of it. 26 Nov 00:30 → 3 Dec 18:30 SLST 15 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. The gauge then reported nothing for 1 consecutive reports — so this peak is the last reading before it went silent, not necessarily the crest. | ||||
| 0.13 m | 4.5 | Normal | <0% Alert · n=674 | |
0.13m
15:30 SLST · DMC report
→ steady · -0.02 in 24h
4.37 m below Alert · higher than 1.6% of its history
Alert 4.5Minor 6Major 7
20 Sep 16:03 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.13–0.37 m, median 0.15 (n=137)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 674 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 5.86 m on 26 Nov 2025, 21:30 SLST — 1.3× Alert. Today's 0.13 is 2% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 56 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| 0.03 m | 4 | Normal | 0.3% Alert · n=656 | |
0.03m
15:30 SLST · DMC report
→ steady · -0.05 in 24h
3.97 m below Alert · higher than 2.5% of its history
Alert 4Minor 4.5Major 6
20 Sep 16:03 → 25 Sep 15:30 SLST · shaded: usually, this time of year 0.04–0.26 m, median 0.10 (n=129)
0.3%Alert0.3%Minor<0%Major chance of reaching each level within 24h · from 656 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 6.65 m on 27 Nov 2025, 18:30 SLST — 1.7× Alert, 1.1× Major. Today's 0.03 is 0% of it. 26 Nov 00:30 → 3 Dec 18:30 SLST 29 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. The gauge then reported nothing for 1 consecutive reports — so this peak is the last reading before it went silent, not necessarily the crest. | ||||
| 0.01 m | 4.84 | Normal | <1% Alert · n=226 | |
0.01m
15:30 SLST · DMC report
→ steady · -0.01 in 24h
4.83 m below Alert · higher than 13.3% of its history
Alert 4.84Minor 5.94Major 8
20 Sep 16:04 → 25 Sep 15:30 SLST · shaded: usually, this time of year -0.11–0.24 m, median -0.02 (n=108)
<1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 226 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 6.12 m on 27 Nov 2025, 18:30 SLST — 1.3× Alert. Today's 0.01 is 0% of it. 26 Nov 09:30 → 3 Dec 18:30 SLST 18 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. The gauge then reported nothing for 1 consecutive reports — so this peak is the last reading before it went silent, not necessarily the crest. | ||||
| -0.24 m | 4 | Normal | — | |
-0.24m
15:30 SLST · DMC report
→ steady · +0.00 in 24h
4.24 m below Alert · higher than 17.7% of its history
Alert 4Minor 4.6Major 6.5
20 Sep 16:03 → 25 Sep 15:30 SLST · shaded: usually, this time of year -0.33–-0.23 m, median -0.27 (n=106)
No base rate — this state has only 0 matching readings in 8.3 years (need 30)
For reference: Cyclone Ditwah, Nov 2025Peak 7.60 m on 28 Nov 2025, 15:30 SLST — 1.9× Alert, 1.2× Major. Today's -0.24 is -3% of it. 26 Nov 00:30 → 3 Dec 21:30 SLST 58 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. | ||||
| -0.25 m | 3 | Normal | — | |
-0.25m
15:30 SLST · DMC report
→ steady · +0.01 in 24h
3.25 m below Alert · higher than 19.3% of its history
Alert 3Minor 4.3Major 6
20 Sep 16:04 → 25 Sep 15:30 SLST · shaded: usually, this time of year -1.40–-0.03 m, median -0.26 (n=137)
No base rate — this state has only 0 matching readings in 8.3 years (need 30)
For reference: Cyclone Ditwah, Nov 2025Peak 5.50 m on 27 Nov 2025, 18:30 SLST — 1.8× Alert. Today's -0.25 is -5% of it. 26 Nov 00:30 → 2 Dec 12:30 SLST 15 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. The gauge then reported nothing for 12 consecutive reports — so this peak is the last reading before it went silent, not necessarily the crest. | ||||
| -2.74 m | 5 | Normal | — | |
-2.74m
15:30 SLST · DMC report
→ steady · +0.41 in 24h
7.74 m below Alert · higher than 45% of its history
Alert 5Minor 6Major 8
20 Sep 16:00 → 25 Sep 15:30 SLST · shaded: usually, this time of year -3.14–-2.47 m, median -2.99 (n=112)
No base rate — this state has only 0 matching readings in 8.3 years (need 30)
For reference: Cyclone Ditwah, Nov 2025Peak 7.90 m on 27 Nov 2025, 12:30 SLST — 1.6× Alert. Today's -2.74 is -35% of it. 26 Nov 00:30 → 27 Nov 12:30 SLST 11 readings survive from the event in the archive · at its worst, 9 stations in a single report stood at Major Flood. The gauge then reported nothing for 49 consecutive reports — so this peak is the last reading before it went silent, not necessarily the crest. | ||||