Peradeniya · Nawalapitiya · Kotmale reservoir — the upper Mahaweli
Updated 10:05 SLST · hourly feed · under an hour ago
Peak 14.80 m on 28 Nov 2025, 06:30 SLST — 3.0× Alert, 1.6× Major. Today's 2.92 is 20% 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 1.96 is 29% 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 | 4.6% Major · n=561 | |
1.90m
09:30 SLST · DMC report
→ steady · -0.08 in 24h
0.50 m above Alert · higher than 85.1% of its history
Alert 1.4Minor 1.7Major 2.8
22 Sep 11:01 → 27 Sep 09:30 SLST · shaded: usually, this time of year 0.66–2.67 m, median 1.90 (n=222)
98.9%Alert64%Minor4.6%Major chance of reaching each level within 24h · from 561 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. | ||||
| 4.69 m ▼ | 3.5 | Minor floodMinor | 10% Major · n=448 | |
4.69m
10:12 SLST · hourly feed
▼ 0.03 m/h · -0.13 in 24h
1.19 m above Alert · higher than 95.4% of its history
Alert 3.5Minor 4Major 5
22 Sep 11:04 → 27 Sep 10:12 SLST · shaded: usually, this time of year 2.71–4.82 m, median 4.20 (n=333)
97.8%Alert71%Minor10%Major chance of reaching each level within 24h · from 448 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 4.69 is 129% 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. | ||||
| 5.37 m ▼ | 5 | Alert | 36.1% Minor · n=346 | |
5.37m
10:04 SLST · hourly feed
▼ 0.05 m/h · -0.62 in 24h
0.37 m above Alert · higher than 69.8% of its history
Alert 5Minor 6Major 7.5
22 Sep 11:08 → 27 Sep 10:04 SLST · shaded: usually, this time of year 3.86–6.83 m, median 5.94 (n=334)
91.9%Alert36.1%Minor2.3%Major chance of reaching each level within 24h · from 346 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 5.37 is 96% 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. | ||||
| 2.80 m ▼ | 3 | Normal | 6% Alert · n=248 | |
2.80m
10:04 SLST · hourly feed
▼ 0.04 m/h · -0.09 in 24h
0.20 m below Alert · higher than 71.7% of its history
Alert 3Minor 4Major 5
22 Sep 11:01 → 27 Sep 10:04 SLST · shaded: usually, this time of year 1.21–3.64 m, median 2.84 (n=333)
6%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 248 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 2.80 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. | ||||
| 8.48 m ▼ | 10 | Normal | <2% Alert · n=187 | |
8.48m
10:03 SLST · hourly feed
▼ 0.09 m/h · -0.48 in 24h
1.52 m below Alert · higher than 69.3% of its history
Alert 10Minor 10.7Major 12.2
22 Sep 11:04 → 27 Sep 10:03 SLST · shaded: usually, this time of year 5.78–9.54 m, median 8.16 (n=331)
<2%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 187 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 8.48 is 71% 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. | ||||
| Station | Level | Alert | Next level, 24h | |
|---|---|---|---|---|
| 12.05 m ▼ | 15 | Normal | 4.5% Alert · n=290 | |
12.05m
10:07 SLST · hourly feed
▼ 0.08 m/h · -1.13 in 24h
2.95 m below Alert · higher than 69.4% of its history
Alert 15Minor 15.5Major 19
22 Sep 11:05 → 27 Sep 10:07 SLST · shaded: usually, this time of year 10.19–13.80 m, median 11.78 (n=291)
4.5%Alert1.4%Minor<1%Major chance of reaching each level within 24h · from 290 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 12.05 is 55% 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. | ||||
| 2.23 m ▼ | 3 | Normal | 2.2% Alert · n=180 | |
2.23m
10:06 SLST · hourly feed
▼ 0.16 m/h · -0.61 in 24h
0.77 m below Alert · higher than 88.2% of its history
Alert 3Minor 4Major 6
22 Sep 11:04 → 27 Sep 10:06 SLST · shaded: usually, this time of year 1.67–2.55 m, median 1.87 (n=283)
2.2%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 180 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 2.23 is 34% 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. | ||||
| 2.88 m ▼ | 4 | Normal | 10.1% Alert · n=148 | |
2.88m
10:05 SLST · hourly feed
▼ 0.05 m/h · -1.15 in 24h
1.12 m below Alert · higher than 51.6% of its history
Alert 4Minor 6Major 7.5
22 Sep 11:00 → 27 Sep 10:05 SLST · shaded: usually, this time of year 2.43–5.28 m, median 4.08 (n=221)
10.1%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 148 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 2.88 is 53% 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. | ||||
| 3.60 m ▼ | 5.2 | Normal | 9.6% Alert · n=187 | |
3.60m
10:02 SLST · hourly feed
▼ 0.18 m/h · -1.43 in 24h
1.60 m below Alert · higher than 61.2% of its history
Alert 5.2Minor 7.5Major 9.5
22 Sep 11:04 → 27 Sep 10:02 SLST · shaded: usually, this time of year 1.50–6.17 m, median 3.89 (n=323)
9.6%Alert1.1%Minor<2%Major chance of reaching each level within 24h · from 187 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 3.60 is 36% 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. | ||||
| 2.28 m ▼ | 3.3 | Normal | 9.9% Alert · n=101 | |
2.28m
10:03 SLST · hourly feed
▼ 0.04 m/h · -0.30 in 24h
1.02 m below Alert · higher than 45% of its history
Alert 3.3Minor 4.4Major 5.5
22 Sep 11:08 → 27 Sep 10:03 SLST · shaded: usually, this time of year 1.64–4.63 m, median 3.26 (n=299)
9.9%Alert2%Minor<3%Major chance of reaching each level within 24h · from 101 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 2.28 is 32% 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. | ||||
| 4.41 m ▼ | 6.5 | Normal | 1% Alert · n=194 | |
4.41m
10:04 SLST · hourly feed
▼ 0.11 m/h · -1.19 in 24h
2.09 m below Alert · higher than 64.1% of its history
Alert 6.5Minor 7.5Major 9.5
22 Sep 11:04 → 27 Sep 10:04 SLST · shaded: usually, this time of year 2.12–5.97 m, median 4.49 (n=291)
1%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 194 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 4.41 is 40% 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. | ||||
| 0.99 m | 1.5 | Normal | 4.6% Alert · n=433 | |
0.99m
10:03 SLST · hourly feed
→ steady · -0.17 in 24h
0.51 m below Alert · higher than 63.1% of its history
Alert 1.5Minor 3Major 4.5
22 Sep 11:02 → 27 Sep 10:03 SLST · shaded: usually, this time of year 0.66–1.28 m, median 0.93 (n=291)
4.6%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 433 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 0.99 is 28% 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. | ||||
| 2.56 m ▼ | 4 | Normal | 11.2% Alert · n=249 | |
2.56m
10:15 SLST · hourly feed
▼ 0.05 m/h · -0.31 in 24h
1.44 m below Alert · higher than 67.6% of its history
Alert 4Minor 6Major 7.5
22 Sep 11:10 → 27 Sep 10:15 SLST · shaded: usually, this time of year 1.96–4.21 m, median 2.84 (n=323)
11.2%Alert4.4%Minor0.8%Major chance of reaching each level within 24h · from 249 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 2.56 is 62% 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. | ||||
| 2.70 m ▼ | 5 | Normal | 0.8% Alert · n=353 | |
2.70m
10:05 SLST · hourly feed
▼ 0.05 m/h · -0.26 in 24h
2.30 m below Alert · higher than 42.7% of its history
Alert 5Minor 6.2Major 9.6
22 Sep 11:04 → 27 Sep 10:05 SLST · shaded: usually, this time of year 1.75–3.57 m, median 2.96 (n=251)
0.8%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 353 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 2.70 is 20% 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. | ||||
| 1.90 ft ▲ | 4 | Normal | 3.4% Alert · n=204 | |
1.90ft
10:08 SLST · hourly feed
▲ 0.31 ft/h · 2.10 ft below Alert · -0.80 in 24h
2.10 ft below Alert · higher than 41% of its history
Alert 4Minor 5Major 7
22 Sep 11:04 → 27 Sep 10:08 SLST · shaded: usually, this time of year 1.30–3.60 ft, median 2.70 (n=282)
3.4%Alert1%Minor<1%Major chance of reaching each level within 24h · from 204 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 1.90 is 22% 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. | ||||
| 1.34 m | 4 | Normal | 2% Alert · n=202 | |
1.34m
09:30 SLST · DMC report
→ steady · -0.83 in 24h
2.66 m below Alert · higher than 49.5% of its history
Alert 4Minor 5Major 6.5
22 Sep 11:05 → 27 Sep 09:30 SLST · shaded: usually, this time of year 0.75–3.05 m, median 1.97 (n=332)
2%Alert0.5%Minor0.5%Major chance of reaching each level within 24h · from 202 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 2.77 m on 27 Nov 2025, 00:30 SLST — 0.7× Alert. Today's 1.34 is 48% 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. | ||||
| 0.81 m ▼ | 2.5 | Normal | 3.9% Alert · n=154 | |
0.81m
10:12 SLST · hourly feed
▼ 0.09 m/h · -0.24 in 24h
1.69 m below Alert · higher than 56.3% of its history
Alert 2.5Minor 4Major 6
22 Sep 11:11 → 27 Sep 10:12 SLST · shaded: usually, this time of year 0.23–1.82 m, median 1.10 (n=331)
3.9%Alert1.9%Minor<2%Major chance of reaching each level within 24h · from 154 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 0.81 is 27% 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. | ||||
| 0.91 m ▼ | 3 | Normal | 0.5% Alert · n=553 | |
0.91m
10:06 SLST · hourly feed
▼ 0.03 m/h · -0.18 in 24h
2.09 m below Alert · higher than 47.1% of its history
Alert 3Minor 4Major 6
22 Sep 11:04 → 27 Sep 10:06 SLST · shaded: usually, this time of year 0.50–1.76 m, median 1.06 (n=291)
0.5%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 553 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 0.91 is 13% 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. | ||||
| 0.88 m ▼ | 3 | Normal | 0.2% Alert · n=523 | |
0.88m
10:01 SLST · hourly feed
▼ 0.02 m/h · -0.12 in 24h
2.12 m below Alert · higher than 27.4% of its history
Alert 3Minor 5Major 7
22 Sep 11:02 → 27 Sep 10:01 SLST · shaded: usually, this time of year 0.55–1.20 m, median 0.82 (n=122)
0.2%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 523 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 0.88 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. | ||||
| 1.14 m ▼ | 4 | Normal | 0.2% Alert · n=594 | |
1.14m
10:01 SLST · hourly feed
▼ 0.02 m/h · +0.00 in 24h
2.86 m below Alert · higher than 65.9% of its history
Alert 4Minor 5Major 5.5
22 Sep 11:01 → 27 Sep 10:01 SLST · shaded: usually, this time of year -0.18–1.15 m, median 1.08 (n=143)
0.2%Alert0.2%Minor<1%Major chance of reaching each level within 24h · from 594 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 1.14 is 21% 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=551 | |
1.64m
09:30 SLST · DMC report
→ steady · +0.00 in 24h
4.36 m below Alert · higher than 44.2% of its history
Alert 6Minor 7.5Major 10.5
22 Sep 11:03 → 27 Sep 09:30 SLST · shaded: usually, this time of year 1.23–1.81 m, median 1.64 (n=144)
<1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 551 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. | ||||
| 1.41 m ▼ | 5.5 | Normal | 0.2% Alert · n=475 | |
1.41m
10:03 SLST · hourly feed
▼ 0.02 m/h · -0.35 in 24h
4.09 m below Alert · higher than 36.6% of its history
Alert 5.5Minor 6.5Major 7.5
22 Sep 11:05 → 27 Sep 10:03 SLST · shaded: usually, this time of year 0.95–2.47 m, median 1.78 (n=245)
0.2%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 475 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 1.41 is 11% 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. | ||||
| 1.20 m ▼ | 4.8 | Normal | 0.9% Alert · n=440 | |
1.20m
10:02 SLST · hourly feed
▼ 0.35 m/h · -0.77 in 24h
3.60 m below Alert · higher than 56.6% of its history
Alert 4.8Minor 5.8Major 7
22 Sep 11:03 → 27 Sep 10:02 SLST · shaded: usually, this time of year 0.84–2.38 m, median 1.47 (n=290)
0.9%Alert0.2%Minor<1%Major chance of reaching each level within 24h · from 440 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 1.20 is 14% 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. | ||||
| 1.03 m ▲ | 4.4 | Normal | <0% Alert · n=697 | |
1.03m
10:02 SLST · hourly feed
▲ 0.02 m/h · -0.08 in 24h
3.37 m below Alert · higher than 64.3% of its history
Alert 4.4Minor 5.4Major 5.9
22 Sep 11:02 → 27 Sep 10:02 SLST · shaded: usually, this time of year 0.43–1.11 m, median 0.85 (n=153)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 697 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 1.03 is 32% 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. | ||||
| 0.97 m | 6.9 | Normal | <0% Alert · n=723 | |
0.97m
10:01 SLST · hourly feed
→ steady · -0.02 in 24h
5.93 m below Alert · higher than 9.9% of its history
Alert 6.9Minor 8.4Major 8.8
22 Sep 11:57 → 27 Sep 10:01 SLST · shaded: usually, this time of year 0.95–1.38 m, median 1.04 (n=153)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 723 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 0.97 is 17% 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. | ||||
| 0.52 m | 5 | Normal | 0.1% Alert · n=677 | |
0.52m
10:00 SLST · hourly feed
→ steady · +0.00 in 24h
4.48 m below Alert · higher than 2.1% of its history
Alert 5Minor 6Major 7.5
22 Sep 11:00 → 27 Sep 10:00 SLST · shaded: usually, this time of year 0.52–0.90 m, median 0.57 (n=153)
0.1%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 677 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 0.52 is 6% 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=661 | |
0.41m
09:30 SLST · DMC report
→ steady · +0.00 in 24h
3.59 m below Alert · higher than 15.7% of its history
Alert 4Minor 5Major 6
22 Sep 11:01 → 27 Sep 09:30 SLST · shaded: usually, this time of year 0.36–0.41 m, median 0.41 (n=122)
0.5%Alert0.5%Minor<0%Major chance of reaching each level within 24h · from 661 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. | ||||
| 0.37 m | 4.75 | Normal | 2.3% Alert · n=355 | |
0.37m
10:06 SLST · hourly feed
→ steady · -0.01 in 24h
4.38 m below Alert · higher than 21.9% of its history
Alert 4.75Minor 6Major 7
22 Sep 11:05 → 27 Sep 10:06 SLST · shaded: usually, this time of year -0.25–0.40 m, median 0.37 (n=84)
2.3%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 355 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 0.37 is 4% 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. | ||||
| 0.37 m | 5 | Normal | <1% Alert · n=279 | |
0.37m
10:01 SLST · hourly feed
→ steady · -0.01 in 24h
4.63 m below Alert · higher than 2.5% of its history
Alert 5Minor 6.8Major 7.8
22 Sep 11:05 → 27 Sep 10:01 SLST · shaded: usually, this time of year 0.31–0.78 m, median 0.41 (n=103)
<1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 279 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 0.37 is 3% 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. | ||||
| 0.11 m ▲ | 3 | Normal | 0.2% Alert · n=632 | |
0.11m
10:06 SLST · hourly feed
▲ 0.05 m/h · -0.02 in 24h
2.89 m below Alert · higher than 3.7% of its history
Alert 3Minor 4Major 5
22 Sep 11:00 → 27 Sep 10:06 SLST · shaded: usually, this time of year 0.11–0.53 m, median 0.25 (n=145)
0.2%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 632 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 0.11 is 3% 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=687 | |
0.13m
10:04 SLST · hourly feed
▲ 0.02 m/h · +0.00 in 24h
4.37 m below Alert · higher than 2.3% of its history
Alert 4.5Minor 6Major 7
22 Sep 11:03 → 27 Sep 10:04 SLST · shaded: usually, this time of year 0.13–0.42 m, median 0.15 (n=153)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 687 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. | ||||
| 0.05 m | 4 | Normal | 0.3% Alert · n=669 | |
0.05m
09:30 SLST · DMC report
→ steady · +0.02 in 24h
3.95 m below Alert · higher than 6.5% of its history
Alert 4Minor 4.5Major 6
22 Sep 11:05 → 27 Sep 09:30 SLST · shaded: usually, this time of year 0.03–0.32 m, median 0.10 (n=145)
0.3%Alert0.3%Minor<0%Major chance of reaching each level within 24h · from 669 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 0.05 is 1% 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. | ||||
| 0.02 m | 4.84 | Normal | <1% Alert · n=230 | |
0.02m
10:15 SLST · hourly feed
→ steady · +0.01 in 24h
4.82 m below Alert · higher than 15.3% of its history
Alert 4.84Minor 5.94Major 8
22 Sep 11:05 → 27 Sep 10:15 SLST · shaded: usually, this time of year -0.11–0.20 m, median -0.02 (n=115)
<1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 230 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 0.02 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. | ||||
| -0.14 m ▼ | 3 | Normal | — | |
-0.14m
10:01 SLST · hourly feed
▼ 0.08 m/h · -0.10 in 24h
3.14 m below Alert · higher than 24.8% of its history
Alert 3Minor 4.3Major 6
22 Sep 11:01 → 27 Sep 10:01 SLST · shaded: usually, this time of year -1.39–0.07 m, median -0.23 (n=153)
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 -0.14 is -3% 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. | ||||
| -0.29 m | 4 | Normal | — | |
-0.29m
10:05 SLST · hourly feed
→ steady · -0.01 in 24h
4.29 m below Alert · higher than 5% of its history
Alert 4Minor 4.6Major 6.5
22 Sep 11:02 → 27 Sep 10:05 SLST · shaded: usually, this time of year -0.32–-0.23 m, median -0.26 (n=121)
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 -0.29 is -4% 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. | ||||
| -3.39 m ▼ | 5 | Normal | — | |
-3.39m
10:01 SLST · hourly feed
▼ 0.06 m/h · -0.05 in 24h
8.39 m below Alert · higher than 1.6% of its history
Alert 5Minor 6Major 8
22 Sep 10:56 → 27 Sep 10:01 SLST · shaded: usually, this time of year -3.15–-2.41 m, median -2.99 (n=121)
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 -3.39 is -43% 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. | ||||