Peradeniya · Nawalapitiya · Kotmale reservoir — the upper Mahaweli
Updated 06:03 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 3.20 is 22% 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 2.02 is 30% 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 | |
|---|---|---|---|---|
| 1.94 m | 1.4 | Minor floodMinor | 4.7% Major · n=559 | |
1.94m
06:02 SLST · hourly feed
→ steady · -0.04 in 24h
0.54 m above Alert · higher than 86.7% of its history
Alert 1.4Minor 1.7Major 2.8
22 Sep 06:30 → 27 Sep 06:02 SLST · shaded: usually, this time of year 0.65–2.68 m, median 1.90 (n=220)
98.9%Alert63.9%Minor4.7%Major chance of reaching each level within 24h · from 559 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 1.94 is 114% 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. | ||||
| 4.73 m ▼ | 3.5 | Minor floodMinor | 10.1% Major · n=446 | |
4.73m
06:09 SLST · hourly feed
▼ 0.02 m/h · -0.08 in 24h
1.23 m above Alert · higher than 95.8% of its history
Alert 3.5Minor 4Major 5
22 Sep 06:30 → 27 Sep 06:09 SLST · shaded: usually, this time of year 2.71–4.83 m, median 4.19 (n=331)
97.8%Alert70.9%Minor10.1%Major chance of reaching each level within 24h · from 446 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 4.73 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. | ||||
| 5.53 m ▼ | 5 | Alert | 36.3% Minor · n=344 | |
5.53m
06:04 SLST · hourly feed
▼ 0.04 m/h · -0.55 in 24h
0.53 m above Alert · higher than 74% of its history
Alert 5Minor 6Major 7.5
22 Sep 06:30 → 27 Sep 06:04 SLST · shaded: usually, this time of year 3.86–6.83 m, median 5.94 (n=332)
91.9%Alert36.3%Minor2.3%Major chance of reaching each level within 24h · from 344 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 5.53 is 99% 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. | ||||
| 2.86 m ▼ | 3 | Normal | 6.1% Alert · n=246 | |
2.86m
06:04 SLST · hourly feed
▼ 0.01 m/h · +0.00 in 24h
0.14 m below Alert · higher than 73.9% of its history
Alert 3Minor 4Major 5
22 Sep 06:30 → 27 Sep 06:04 SLST · shaded: usually, this time of year 1.21–3.66 m, median 2.84 (n=331)
6.1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 246 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 2.86 is 67% 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. | ||||
| 8.66 m ▼ | 10 | Normal | <2% Alert · n=185 | |
8.66m
06:03 SLST · hourly feed
▼ 0.03 m/h · -0.31 in 24h
1.34 m below Alert · higher than 75.8% of its history
Alert 10Minor 10.7Major 12.2
22 Sep 06:30 → 27 Sep 06:03 SLST · shaded: usually, this time of year 5.78–9.54 m, median 8.14 (n=329)
<2%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 185 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 8.66 is 72% 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 | |
|---|---|---|---|---|
| 2.50 m ▲ | 3 | Normal | 29.8% Alert · n=124 | |
2.50m
06:04 SLST · hourly feed
▲ 0.07 m/h · 0.50 m below Alert · -0.28 in 24h
0.50 m below Alert · higher than 93.6% of its history
Alert 3Minor 4Major 6
22 Sep 06:30 → 27 Sep 06:04 SLST · shaded: usually, this time of year 1.67–2.55 m, median 1.87 (n=281)
29.8%Alert2.4%Minor1.6%Major chance of reaching each level within 24h · from 124 past readings in this state (level only)
For reference: Cyclone Ditwah, Nov 2025Peak 6.48 m on 28 Nov 2025, 12:30 SLST — 2.2× Alert, 1.1× Major. Today's 2.50 is 39% 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. | ||||
| 12.23 m ▼ | 15 | Normal | 4.5% Alert · n=288 | |
12.23m
06:00 SLST · hourly feed
▼ 0.07 m/h · -1.32 in 24h
2.77 m below Alert · higher than 72.1% of its history
Alert 15Minor 15.5Major 19
22 Sep 06:30 → 27 Sep 06:00 SLST · shaded: usually, this time of year 10.17–13.80 m, median 11.77 (n=289)
4.5%Alert1.4%Minor<1%Major chance of reaching each level within 24h · from 288 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 12.23 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. | ||||
| 3.05 m ▼ | 4 | Normal | 10.2% Alert · n=147 | |
3.05m
06:05 SLST · hourly feed
▼ 0.10 m/h · -1.30 in 24h
0.95 m below Alert · higher than 54.9% of its history
Alert 4Minor 6Major 7.5
22 Sep 06:30 → 27 Sep 06:05 SLST · shaded: usually, this time of year 2.38–5.28 m, median 4.10 (n=219)
10.2%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 147 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 3.05 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. | ||||
| 3.93 m ▼ | 5.2 | Normal | 9.7% Alert · n=186 | |
3.93m
06:01 SLST · hourly feed
▼ 0.10 m/h · -1.54 in 24h
1.27 m below Alert · higher than 66.1% of its history
Alert 5.2Minor 7.5Major 9.5
22 Sep 06:30 → 27 Sep 06:01 SLST · shaded: usually, this time of year 1.50–6.17 m, median 3.89 (n=321)
9.7%Alert1.1%Minor<2%Major chance of reaching each level within 24h · from 186 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 3.93 is 39% 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. | ||||
| 2.37 m ▼ | 3.3 | Normal | 10.1% Alert · n=99 | |
2.37m
06:01 SLST · hourly feed
▼ 0.02 m/h · -0.25 in 24h
0.93 m below Alert · higher than 47.7% of its history
Alert 3.3Minor 4.4Major 5.5
22 Sep 06:30 → 27 Sep 06:01 SLST · shaded: usually, this time of year 1.64–4.63 m, median 3.28 (n=297)
10.1%Alert2%Minor<3%Major chance of reaching each level within 24h · from 99 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 2.37 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. | ||||
| 4.65 m ▼ | 6.5 | Normal | 1% Alert · n=192 | |
4.65m
06:07 SLST · hourly feed
▼ 0.06 m/h · -1.19 in 24h
1.85 m below Alert · higher than 67.8% of its history
Alert 6.5Minor 7.5Major 9.5
22 Sep 06:30 → 27 Sep 06:07 SLST · shaded: usually, this time of year 1.90–5.97 m, median 4.49 (n=289)
1%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 192 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 4.65 is 42% 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. | ||||
| 2.83 m ▼ | 4 | Normal | 11.3% Alert · n=248 | |
2.83m
06:02 SLST · hourly feed
▼ 0.04 m/h · -0.17 in 24h
1.17 m below Alert · higher than 77.3% of its history
Alert 4Minor 6Major 7.5
22 Sep 06:30 → 27 Sep 06:02 SLST · shaded: usually, this time of year 1.96–4.28 m, median 2.84 (n=321)
11.3%Alert4.4%Minor0.8%Major chance of reaching each level within 24h · from 248 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 2.83 is 69% 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 ▼ | 1.5 | Normal | 4.6% Alert · n=431 | |
1.01m
06:07 SLST · hourly feed
▼ 0.02 m/h · -0.19 in 24h
0.49 m below Alert · higher than 66.2% of its history
Alert 1.5Minor 3Major 4.5
22 Sep 06:30 → 27 Sep 06:07 SLST · shaded: usually, this time of year 0.66–1.28 m, median 0.93 (n=289)
4.6%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 431 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 1.01 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. | ||||
| 2.60 ft ▼ | 4 | Normal | 8.2% Alert · n=159 | |
2.60ft
06:07 SLST · hourly feed
▼ 0.30 ft/h · -0.50 in 24h
1.40 ft below Alert · higher than 65.8% of its history
Alert 4Minor 5Major 7
22 Sep 06:30 → 27 Sep 06:07 SLST · shaded: usually, this time of year 1.30–3.60 ft, median 2.70 (n=280)
8.2%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 159 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 2.60 is 31% 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. | ||||
| 2.77 m ▼ | 5 | Normal | 0.9% Alert · n=352 | |
2.77m
06:02 SLST · hourly feed
▼ 0.01 m/h · -0.21 in 24h
2.23 m below Alert · higher than 46.5% of its history
Alert 5Minor 6.2Major 9.6
22 Sep 06:30 → 27 Sep 06:02 SLST · shaded: usually, this time of year 1.74–3.57 m, median 2.97 (n=249)
0.9%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 352 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 2.77 is 21% 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. | ||||
| 1.49 m | 4 | Normal | 2% Alert · n=201 | |
1.49m
06:02 SLST · hourly feed
→ steady · -0.80 in 24h
2.51 m below Alert · higher than 57.7% of its history
Alert 4Minor 5Major 6.5
22 Sep 06:30 → 27 Sep 06:02 SLST · shaded: usually, this time of year 0.75–3.05 m, median 1.98 (n=330)
2%Alert0.5%Minor0.5%Major chance of reaching each level within 24h · from 201 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 1.49 is 54% 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. | ||||
| 0.90 m ▼ | 2.5 | Normal | 3.2% Alert · n=690 | |
0.90m
06:02 SLST · hourly feed
▼ 0.03 m/h · -0.08 in 24h
1.60 m below Alert · higher than 62.5% of its history
Alert 2.5Minor 4Major 6
22 Sep 06:30 → 27 Sep 06:02 SLST · shaded: usually, this time of year 0.23–1.82 m, median 1.11 (n=329)
3.2%Alert0.4%Minor<0%Major chance of reaching each level within 24h · from 690 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 0.90 is 30% 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. | ||||
| 0.94 m ▼ | 3 | Normal | 4.1% Alert · n=197 | |
0.94m
06:07 SLST · hourly feed
▼ 0.03 m/h · -0.12 in 24h
2.06 m below Alert · higher than 49.4% of its history
Alert 3Minor 4Major 6
22 Sep 06:30 → 27 Sep 06:07 SLST · shaded: usually, this time of year 0.50–1.76 m, median 1.07 (n=289)
4.1%Alert2%Minor<2%Major chance of reaching each level within 24h · from 197 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 0.94 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. | ||||
| 0.92 m ▼ | 3 | Normal | 0.2% Alert · n=521 | |
0.92m
06:01 SLST · hourly feed
▼ 0.02 m/h · -0.11 in 24h
2.08 m below Alert · higher than 35.6% of its history
Alert 3Minor 5Major 7
22 Sep 06:30 → 27 Sep 06:01 SLST · shaded: usually, this time of year 0.55–1.20 m, median 0.81 (n=120)
0.2%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 521 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 0.92 is 19% 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. | ||||
| 1.46 m ▼ | 4.8 | Normal | 0.9% Alert · n=439 | |
1.46m
06:04 SLST · hourly feed
▼ 0.02 m/h · -0.36 in 24h
3.34 m below Alert · higher than 71.3% of its history
Alert 4.8Minor 5.8Major 7
22 Sep 06:30 → 27 Sep 06:04 SLST · shaded: usually, this time of year 0.84–2.38 m, median 1.48 (n=288)
0.9%Alert0.2%Minor<1%Major chance of reaching each level within 24h · from 439 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 1.46 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. | ||||
| 1.16 m ▲ | 4 | Normal | 0.2% Alert · n=592 | |
1.16m
06:02 SLST · hourly feed
▲ 0.02 m/h · +0.01 in 24h
2.84 m below Alert · higher than 67% of its history
Alert 4Minor 5Major 5.5
22 Sep 06:30 → 27 Sep 06:02 SLST · shaded: usually, this time of year -0.18–1.15 m, median 1.08 (n=141)
0.2%Alert0.2%Minor<1%Major chance of reaching each level within 24h · from 592 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 1.16 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=549 | |
1.64m
06:03 SLST · hourly feed
→ 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 06:30 → 27 Sep 06:03 SLST · shaded: usually, this time of year 1.23–1.81 m, median 1.63 (n=142)
<1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 549 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. | ||||
| 1.47 m ▼ | 5.5 | Normal | <2% Alert · n=167 | |
1.47m
06:01 SLST · hourly feed
▼ 0.02 m/h · -0.32 in 24h
4.03 m below Alert · higher than 41.2% of its history
Alert 5.5Minor 6.5Major 7.5
22 Sep 06:30 → 27 Sep 06:01 SLST · shaded: usually, this time of year 0.95–2.47 m, median 1.78 (n=243)
<2%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 167 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 1.47 is 12% 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. | ||||
| 1.05 m ▼ | 4.4 | Normal | <0% Alert · n=695 | |
1.05m
06:01 SLST · hourly feed
▼ 0.01 m/h · -0.08 in 24h
3.35 m below Alert · higher than 66.3% of its history
Alert 4.4Minor 5.4Major 5.9
22 Sep 06:30 → 27 Sep 06:01 SLST · shaded: usually, this time of year 0.43–1.13 m, median 0.84 (n=151)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 695 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 1.05 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. | ||||
| 0.97 m ▼ | 6.9 | Normal | <0% Alert · n=721 | |
0.97m
06:01 SLST · hourly feed
▼ 0.02 m/h · -0.02 in 24h
5.93 m below Alert · higher than 9.8% of its history
Alert 6.9Minor 8.4Major 8.8
22 Sep 06:30 → 27 Sep 06:01 SLST · shaded: usually, this time of year 0.95–1.43 m, median 1.04 (n=151)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 721 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=675 | |
0.52m
06:01 SLST · hourly feed
→ steady · -0.01 in 24h
4.48 m below Alert · higher than 2% of its history
Alert 5Minor 6Major 7.5
22 Sep 06:30 → 27 Sep 06:01 SLST · shaded: usually, this time of year 0.53–0.90 m, median 0.57 (n=151)
0.1%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 675 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=659 | |
0.41m
06:02 SLST · hourly feed
→ steady · +0.00 in 24h
3.59 m below Alert · higher than 15.6% of its history
Alert 4Minor 5Major 6
22 Sep 06:30 → 27 Sep 06:02 SLST · shaded: usually, this time of year 0.36–0.41 m, median 0.41 (n=120)
0.5%Alert0.5%Minor<0%Major chance of reaching each level within 24h · from 659 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=353 | |
0.37m
06:00 SLST · hourly feed
→ steady · -0.01 in 24h
4.38 m below Alert · higher than 21.8% of its history
Alert 4.75Minor 6Major 7
22 Sep 06:30 → 27 Sep 06:00 SLST · shaded: usually, this time of year -0.25–0.40 m, median 0.37 (n=82)
2.3%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 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. | ||||
| 0.11 m ▲ | 3 | Normal | 0.2% Alert · n=630 | |
0.11m
06:04 SLST · hourly feed
▲ 0.01 m/h · +0.04 in 24h
2.89 m below Alert · higher than 3.6% of its history
Alert 3Minor 4Major 5
22 Sep 06:30 → 27 Sep 06:04 SLST · shaded: usually, this time of year 0.12–0.53 m, median 0.25 (n=143)
0.2%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 630 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. | ||||
| 0.12 m | 4.5 | Normal | <0% Alert · n=685 | |
0.12m
06:02 SLST · hourly feed
→ steady · -0.01 in 24h
4.38 m below Alert · higher than 0.9% of its history
Alert 4.5Minor 6Major 7
22 Sep 06:30 → 27 Sep 06:02 SLST · shaded: usually, this time of year 0.13–0.43 m, median 0.15 (n=151)
<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 5.86 m on 26 Nov 2025, 21:30 SLST — 1.3× Alert. Today's 0.12 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=667 | |
0.05m
06:03 SLST · hourly feed
→ steady · +0.02 in 24h
3.95 m below Alert · higher than 6.4% of its history
Alert 4Minor 4.5Major 6
22 Sep 06:30 → 27 Sep 06:03 SLST · shaded: usually, this time of year 0.03–0.32 m, median 0.10 (n=143)
0.3%Alert0.3%Minor<0%Major chance of reaching each level within 24h · from 667 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. | ||||
| 0.03 m ▼ | 3 | Normal | <1% Alert · n=222 | |
0.03m
06:01 SLST · hourly feed
▼ 0.02 m/h · -0.05 in 24h
2.97 m below Alert · higher than 38% of its history
Alert 3Minor 4.3Major 6
22 Sep 06:30 → 27 Sep 06:01 SLST · shaded: usually, this time of year -1.39–0.07 m, median -0.23 (n=151)
<1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 222 past readings in this state (level + trend)
For reference: Cyclone Ditwah, Nov 2025Peak 5.50 m on 27 Nov 2025, 18:30 SLST — 1.8× Alert. Today's 0.03 is 1% 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. | ||||
| -0.28 m | 4 | Normal | — | |
-0.28m
06:03 SLST · hourly feed
→ steady · -0.03 in 24h
4.28 m below Alert · higher than 6.5% of its history
Alert 4Minor 4.6Major 6.5
22 Sep 06:30 → 27 Sep 06:03 SLST · shaded: usually, this time of year -0.33–-0.23 m, median -0.26 (n=119)
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 -0.28 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. | ||||