Peradeniya · Nawalapitiya · Kotmale reservoir — the upper Mahaweli
Updated 03:30 SLST · under an hour ago
Peak 14.80 m on 28 Nov 2025, 06:30 SLST — 3.0× Alert, 1.6× Major. Today's 4.81 is 32% 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 2.95 is 44% 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 | |
|---|---|---|---|---|
| 6.61 m ▼ | 5 | Minor floodMinor | 6.3% Major · n=270 | |
6.61m
03:30 SLST · DMC report
▼ 0.02 m/h · +1.52 in 24h
1.61 m above Alert · higher than 93.9% of its history
Alert 5Minor 6Major 7.5
20 Sep 04:19 → 25 Sep 03:30 SLST · shaded: usually, this time of year 3.79–6.84 m, median 5.85 (n=305)
96.7%Alert52.6%Minor6.3%Major chance of reaching each level within 24h · from 270 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 6.61 is 118% 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. | ||||
| 4.61 m | 3.5 | Minor floodMinor | 10.4% Major · n=431 | |
4.61m
03:30 SLST · DMC report
→ steady · +0.71 in 24h
1.11 m above Alert · higher than 95% of its history
Alert 3.5Minor 4Major 5
20 Sep 04:06 → 25 Sep 03:30 SLST · shaded: usually, this time of year 2.59–4.84 m, median 4.17 (n=304)
97.7%Alert69.8%Minor10.4%Major chance of reaching each level within 24h · from 431 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 4.61 is 127% 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. | ||||
| 1.79 m | 1.4 | Minor floodMinor | 4.8% Major · n=545 | |
1.79m
03:30 SLST · DMC report
→ steady · +0.41 in 24h
0.39 m above Alert · higher than 81.6% of its history
Alert 1.4Minor 1.7Major 2.8
20 Sep 04:11 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.48–2.68 m, median 1.74 (n=197)
98.9%Alert62.9%Minor4.8%Major chance of reaching each level within 24h · from 545 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 1.79 is 105% 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. | ||||
| 4.98 m | 4 | Alert | 5.4% Minor · n=241 | |
4.98m
03:30 SLST · DMC report
→ steady · +0.88 in 24h
0.98 m above Alert · higher than 89.1% of its history
Alert 4Minor 6Major 7.5
20 Sep 04:00 → 25 Sep 03:30 SLST · shaded: usually, this time of year 2.33–5.25 m, median 3.99 (n=196)
88.4%Alert5.4%Minor<1%Major chance of reaching each level within 24h · from 241 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 4.98 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. | ||||
| 6.43 m | 5.2 | Alert | 15.6% Minor · n=346 | |
6.43m
03:30 SLST · DMC report
→ steady · +2.08 in 24h
1.23 m above Alert · higher than 93.7% of its history
Alert 5.2Minor 7.5Major 9.5
20 Sep 04:19 → 25 Sep 03:30 SLST · shaded: usually, this time of year 1.43–6.05 m, median 3.62 (n=294)
86.1%Alert15.6%Minor1.4%Major chance of reaching each level within 24h · from 346 past readings in this state (level only)
For reference: Cyclone Ditwah, Nov 2025Peak 10.12 m on 28 Nov 2025, 21:30 SLST — 1.9× Alert, 1.1× Major. Today's 6.43 is 64% 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. | ||||
| 1.72 m | 1.5 | Alert | 10.9% Minor · n=119 | |
1.72m
03:30 SLST · DMC report
→ steady · +0.56 in 24h
0.22 m above Alert · higher than 97.7% of its history
Alert 1.5Minor 3Major 4.5
20 Sep 04:05 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.65–1.20 m, median 0.91 (n=262)
76.5%Alert10.9%Minor4.2%Major chance of reaching each level within 24h · from 119 past readings in this state (level only)
For reference: Cyclone Ditwah, Nov 2025Peak 3.60 m on 28 Nov 2025, 03:30 SLST — 2.4× Alert. Today's 1.72 is 48% 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. | ||||
| 4.30 m ▼ | 4 | Alert | 13.2% Minor · n=53 | |
4.30m
03:30 SLST · DMC report
▼ 0.01 m/h · -0.30 in 24h
0.30 m above Alert · higher than 95.1% of its history
Alert 4Minor 6Major 7.5
20 Sep 04:34 → 25 Sep 03:30 SLST · shaded: usually, this time of year 1.95–4.29 m, median 2.79 (n=294)
62.3%Alert13.2%Minor<6%Major chance of reaching each level within 24h · from 53 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 4.30 is 104% 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. | ||||
| Station | Level | Alert | Next level, 24h | |
|---|---|---|---|---|
| 14.74 m | 15 | Normal | 4.3% Alert · n=94 | |
14.74m
03:30 SLST · DMC report
→ steady · +1.98 in 24h
0.26 m below Alert · higher than 92.9% of its history
Alert 15Minor 15.5Major 19
20 Sep 04:13 → 25 Sep 03:30 SLST · shaded: usually, this time of year 10.06–13.50 m, median 11.75 (n=262)
4.3%Alert3.2%Minor<3%Major chance of reaching each level within 24h · from 94 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 14.74 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. | ||||
| 3.22 m | 3.3 | Normal | 43.2% Alert · n=37 | |
3.22m
03:30 SLST · DMC report
→ steady · +0.77 in 24h
0.08 m below Alert · higher than 63% of its history
Alert 3.3Minor 4.4Major 5.5
20 Sep 04:04 → 25 Sep 03:30 SLST · shaded: usually, this time of year 1.45–4.57 m, median 3.34 (n=270)
43.2%Alert13.5%Minor<8%Major chance of reaching each level within 24h · from 37 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 3.22 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. | ||||
| 6.20 m | 6.5 | Normal | 10.2% Alert · n=49 | |
6.20m
03:30 SLST · DMC report
→ steady · +1.54 in 24h
0.30 m below Alert · higher than 86.9% of its history
Alert 6.5Minor 7.5Major 9.5
20 Sep 04:02 → 25 Sep 03:30 SLST · shaded: usually, this time of year 1.87–5.88 m, median 4.42 (n=262)
10.2%Alert2%Minor<6%Major chance of reaching each level within 24h · from 49 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 6.20 is 57% 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 | 28.2% Alert · n=39 | |
2.86m
03:30 SLST · DMC report
→ steady · +0.28 in 24h
0.14 m below Alert · higher than 97.4% of its history
Alert 3Minor 4Major 6
20 Sep 04:05 → 25 Sep 03:30 SLST · shaded: usually, this time of year 1.66–2.20 m, median 1.86 (n=254)
28.2%Alert2.6%Minor2.6%Major chance of reaching each level within 24h · from 39 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 2.86 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. | ||||
| 2.70 m | 3 | Normal | 6.5% Alert · n=231 | |
2.70m
03:30 SLST · DMC report
→ steady · +0.05 in 24h
0.30 m below Alert · higher than 69.6% of its history
Alert 3Minor 4Major 5
20 Sep 04:56 → 25 Sep 03:30 SLST · shaded: usually, this time of year 1.05–3.74 m, median 2.83 (n=304)
6.5%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 231 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 2.70 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. | ||||
| 3.50 ft | 4 | Normal | 32.1% Alert · n=53 | |
3.50ft
03:30 SLST · DMC report
→ steady · +0.80 in 24h
0.50 ft below Alert · higher than 86.2% of its history
Alert 4Minor 5Major 7
20 Sep 04:07 → 25 Sep 03:30 SLST · shaded: usually, this time of year 1.10–3.50 ft, median 2.55 (n=253)
32.1%Alert5.7%Minor<6%Major chance of reaching each level within 24h · from 53 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 3.50 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. | ||||
| 8.55 m | 10 | Normal | 23.1% Alert · n=182 | |
8.55m
03:30 SLST · DMC report
→ steady · +0.73 in 24h
1.45 m below Alert · higher than 72% of its history
Alert 10Minor 10.7Major 12.2
20 Sep 04:02 → 25 Sep 03:30 SLST · shaded: usually, this time of year 5.67–9.64 m, median 7.97 (n=302)
23.1%Alert2.2%Minor0.5%Major chance of reaching each level within 24h · from 182 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 8.55 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. | ||||
| 2.68 m ▼ | 4 | Normal | 4.9% Alert · n=81 | |
2.68m
03:30 SLST · DMC report
▼ 0.06 m/h · -0.18 in 24h
1.32 m below Alert · higher than 92.2% of its history
Alert 4Minor 5Major 6.5
20 Sep 04:17 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.74–3.09 m, median 1.93 (n=304)
4.9%Alert3.7%Minor<4%Major chance of reaching each level within 24h · from 81 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 2.68 is 97% 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. | ||||
| 3.35 m | 5 | Normal | 13% Alert · n=77 | |
3.35m
03:30 SLST · DMC report
→ steady · +0.76 in 24h
1.65 m below Alert · higher than 67.5% of its history
Alert 5Minor 6.2Major 9.6
20 Sep 04:02 → 25 Sep 03:30 SLST · shaded: usually, this time of year 1.74–3.55 m, median 2.92 (n=225)
13%Alert3.9%Minor<4%Major chance of reaching each level within 24h · from 77 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 3.35 is 25% 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. | ||||
| 1.45 m | 2.5 | Normal | 6% Alert · n=134 | |
1.45m
03:30 SLST · DMC report
→ steady · -1.57 in 24h
1.05 m below Alert · higher than 87.8% of its history
Alert 2.5Minor 4Major 6
20 Sep 04:10 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.23–1.84 m, median 1.10 (n=302)
6%Alert3%Minor<2%Major chance of reaching each level within 24h · from 134 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 1.45 is 49% 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. | ||||
| 1.62 m | 3 | Normal | 5.7% Alert · n=209 | |
1.62m
03:30 SLST · DMC report
→ steady · +0.12 in 24h
1.38 m below Alert · higher than 83.3% of its history
Alert 3Minor 4Major 6
20 Sep 04:08 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.47–1.73 m, median 1.05 (n=262)
5.7%Alert4.3%Minor0.5%Major chance of reaching each level within 24h · from 209 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 1.62 is 22% 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. | ||||
| 2.32 m | 4.8 | Normal | 5% Alert · n=100 | |
2.32m
03:30 SLST · DMC report
→ steady · +0.51 in 24h
2.48 m below Alert · higher than 92% of its history
Alert 4.8Minor 5.8Major 7
20 Sep 04:04 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.81–2.32 m, median 1.44 (n=261)
5%Alert3%Minor2%Major chance of reaching each level within 24h · from 100 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 2.32 is 27% 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. | ||||
| 2.42 m | 5.5 | Normal | 8% Alert · n=50 | |
2.42m
03:30 SLST · DMC report
→ steady · +1.00 in 24h
3.08 m below Alert · higher than 73.3% of its history
Alert 5.5Minor 6.5Major 7.5
20 Sep 04:03 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.88–2.47 m, median 1.74 (n=219)
8%Alert6%Minor6%Major chance of reaching each level within 24h · from 50 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 2.42 is 19% 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. | ||||
| 1.30 m | 3 | Normal | 8.5% Alert · n=47 | |
1.30m
03:30 SLST · DMC report
→ steady · +0.40 in 24h
1.70 m below Alert · higher than 76.3% of its history
Alert 3Minor 5Major 7
20 Sep 04:03 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.55–1.10 m, median 0.75 (n=103)
8.5%Alert<6%Minor<6%Major chance of reaching each level within 24h · from 47 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 1.30 is 27% 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. | ||||
| 1.11 m | 4 | Normal | 0.2% Alert · n=577 | |
1.11m
03:30 SLST · DMC report
→ steady · +0.00 in 24h
2.89 m below Alert · higher than 63.9% of its history
Alert 4Minor 5Major 5.5
20 Sep 04:01 → 25 Sep 03:30 SLST · shaded: usually, this time of year -0.19–1.13 m, median 0.63 (n=123)
0.2%Alert0.2%Minor<1%Major chance of reaching each level within 24h · from 577 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 1.11 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=534 | |
1.64m
03:30 SLST · DMC report
→ steady · -0.02 in 24h
4.36 m below Alert · higher than 43.7% of its history
Alert 6Minor 7.5Major 10.5
20 Sep 04:02 → 25 Sep 03:30 SLST · shaded: usually, this time of year 1.22–1.82 m, median 1.61 (n=124)
<1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 534 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. | ||||
| 1.00 m | 4.4 | Normal | <0% Alert · n=681 | |
1.00m
03:30 SLST · DMC report
→ steady · +0.05 in 24h
3.40 m below Alert · higher than 61.7% of its history
Alert 4.4Minor 5.4Major 5.9
20 Sep 04:03 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.42–1.06 m, median 0.71 (n=133)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 681 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 1.00 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. | ||||
| 1.01 m | 6.9 | Normal | <0% Alert · n=706 | |
1.01m
03:30 SLST · DMC report
→ steady · +0.01 in 24h
5.89 m below Alert · higher than 11.3% of its history
Alert 6.9Minor 8.4Major 8.8
20 Sep 04:01 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.93–1.35 m, median 1.04 (n=133)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 706 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=660 | |
0.54m
03:30 SLST · DMC report
→ steady · +0.00 in 24h
4.46 m below Alert · higher than 3.7% of its history
Alert 5Minor 6Major 7.5
20 Sep 04:08 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.53–0.82 m, median 0.58 (n=133)
0.2%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 660 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=645 | |
0.41m
03:30 SLST · DMC report
→ steady · +0.00 in 24h
3.59 m below Alert · higher than 14.8% of its history
Alert 4Minor 5Major 6
20 Sep 04:01 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.36–0.41 m, median 0.40 (n=105)
0.5%Alert0.5%Minor<0%Major chance of reaching each level within 24h · from 645 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. | ||||
| 0.41 m | 4.75 | Normal | 2.4% Alert · n=338 | |
0.41m
03:30 SLST · DMC report
→ steady · +0.02 in 24h
4.34 m below Alert · higher than 25% of its history
Alert 4.75Minor 6Major 7
20 Sep 04:00 → 25 Sep 03:30 SLST · shaded: usually, this time of year -0.25–0.39 m, median -0.15 (n=64)
2.4%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 338 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 0.41 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. | ||||
| 0.18 m | 3 | Normal | 0.2% Alert · n=618 | |
0.18m
03:30 SLST · DMC report
→ steady · +0.04 in 24h
2.82 m below Alert · higher than 10.8% of its history
Alert 3Minor 4Major 5
20 Sep 04:05 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.13–0.52 m, median 0.26 (n=125)
0.2%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 618 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 0.18 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. | ||||
| 0.15 m | 4.5 | Normal | <0% Alert · n=670 | |
0.15m
03:30 SLST · DMC report
→ steady · +0.01 in 24h
4.35 m below Alert · higher than 5% of its history
Alert 4.5Minor 6Major 7
20 Sep 04:03 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.13–0.37 m, median 0.15 (n=133)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 670 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 0.15 is 3% 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=652 | |
0.03m
03:30 SLST · DMC report
→ steady · -0.05 in 24h
3.97 m below Alert · higher than 2.3% of its history
Alert 4Minor 4.5Major 6
20 Sep 04:04 → 25 Sep 03:30 SLST · shaded: usually, this time of year 0.05–0.26 m, median 0.10 (n=125)
0.3%Alert0.3%Minor<0%Major chance of reaching each level within 24h · from 652 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. | ||||
| -0.25 m | 4 | Normal | — | |
-0.25m
03:30 SLST · DMC report
→ steady · +0.00 in 24h
4.25 m below Alert · higher than 14.2% of its history
Alert 4Minor 4.6Major 6.5
20 Sep 04:01 → 25 Sep 03:30 SLST · shaded: usually, this time of year -0.33–-0.23 m, median -0.27 (n=102)
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 -0.25 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. | ||||
| -0.32 m | 3 | Normal | — | |
-0.32m
03:30 SLST · DMC report
→ steady · -0.06 in 24h
3.32 m below Alert · higher than 16.8% of its history
Alert 3Minor 4.3Major 6
20 Sep 04:02 → 25 Sep 03:30 SLST · shaded: usually, this time of year -1.40–-0.03 m, median -0.26 (n=133)
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 -0.32 is -6% 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. | ||||