Peradeniya · Nawalapitiya · Kotmale reservoir — the upper Mahaweli
Updated 09:04 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 4.38 is 30% 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 2.89 is 43% 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 | 20% Major · n=50 | |
1.90m
09:02 SLST · hourly feed
▲ 0.03 m/h · +0.35 in 24h
0.50 m above Alert · higher than 85.5% of its history
Alert 1.4Minor 1.7Major 2.8
20 Sep 09:30 → 25 Sep 09:02 SLST · shaded: usually, this time of year 0.48–2.68 m, median 1.74 (n=198)
100%Alert74%Minor20%Major chance of reaching each level within 24h · from 50 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. | ||||
| 4.67 m | 3.5 | Minor floodMinor | 10.4% Major · n=432 | |
4.67m
09:06 SLST · hourly feed
→ steady · +0.46 in 24h
1.17 m above Alert · higher than 95.6% of its history
Alert 3.5Minor 4Major 5
20 Sep 09:30 → 25 Sep 09:06 SLST · shaded: usually, this time of year 2.59–4.84 m, median 4.17 (n=305)
97.7%Alert69.9%Minor10.4%Major chance of reaching each level within 24h · from 432 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 4.67 is 128% 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. | ||||
| 6.52 m ▼ | 5 | Minor floodMinor | 6.3% Major · n=271 | |
6.52m
09:04 SLST · hourly feed
▼ 0.02 m/h · -0.05 in 24h
1.52 m above Alert · higher than 92.7% of its history
Alert 5Minor 6Major 7.5
20 Sep 09:30 → 25 Sep 09:04 SLST · shaded: usually, this time of year 3.79–6.84 m, median 5.85 (n=306)
96.7%Alert52.8%Minor6.3%Major chance of reaching each level within 24h · from 271 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 6.52 is 116% 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. | ||||
| 6.35 m ▼ | 5.2 | Alert | 10.2% Minor · n=196 | |
6.35m
09:07 SLST · hourly feed
▼ 0.05 m/h · +1.00 in 24h
1.15 m above Alert · higher than 93.1% of its history
Alert 5.2Minor 7.5Major 9.5
20 Sep 09:30 → 25 Sep 09:07 SLST · shaded: usually, this time of year 1.43–6.06 m, median 3.65 (n=295)
88.3%Alert10.2%Minor<2%Major chance of reaching each level within 24h · from 196 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 6.35 is 63% 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. | ||||
| 4.83 m ▼ | 4 | Alert | 5.4% Minor · n=242 | |
4.83m
09:05 SLST · hourly feed
▼ 0.02 m/h · +0.18 in 24h
0.83 m above Alert · higher than 87.2% of its history
Alert 4Minor 6Major 7.5
20 Sep 09:30 → 25 Sep 09:05 SLST · shaded: usually, this time of year 2.33–5.25 m, median 4.02 (n=197)
88.4%Alert5.4%Minor<1%Major chance of reaching each level within 24h · from 242 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 4.83 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. | ||||
| 4.33 m ▲ | 4 | Alert | 18% Minor · n=139 | |
4.33m
09:06 SLST · hourly feed
▲ 0.10 m/h · -0.89 in 24h
0.33 m above Alert · higher than 95.2% of its history
Alert 4Minor 6Major 7.5
20 Sep 09:30 → 25 Sep 09:06 SLST · shaded: usually, this time of year 1.95–4.29 m, median 2.79 (n=295)
74.8%Alert18%Minor5.8%Major chance of reaching each level within 24h · from 139 past readings in this state (level only)
For reference: Cyclone Ditwah, Nov 2025Peak 4.12 m on 28 Nov 2025, 12:30 SLST — 1.0× Alert. Today's 4.33 is 105% 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. | ||||
| 1.61 m ▲ | 1.5 | Alert | 5.3% Minor · n=38 | |
1.61m
09:02 SLST · hourly feed
▲ 0.01 m/h · +0.33 in 24h
0.11 m above Alert · higher than 96.7% of its history
Alert 1.5Minor 3Major 4.5
20 Sep 09:30 → 25 Sep 09:02 SLST · shaded: usually, this time of year 0.65–1.20 m, median 0.91 (n=263)
73.7%Alert5.3%Minor5.3%Major chance of reaching each level within 24h · from 38 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 1.61 is 45% 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. | ||||
| Station | Level | Alert | Next level, 24h | |
|---|---|---|---|---|
| 2.92 m ▼ | 3 | Normal | 27.7% Alert · n=112 | |
2.92m
09:03 SLST · hourly feed
▼ 0.03 m/h · +0.36 in 24h
0.08 m below Alert · higher than 97.7% of its history
Alert 3Minor 4Major 6
20 Sep 09:30 → 25 Sep 09:03 SLST · shaded: usually, this time of year 1.66–2.20 m, median 1.86 (n=255)
27.7%Alert2.7%Minor1.8%Major chance of reaching each level within 24h · from 112 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 2.92 is 45% 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. | ||||
| 6.28 m ▼ | 6.5 | Normal | 5.4% Alert · n=37 | |
6.28m
09:04 SLST · hourly feed
▼ 0.03 m/h · +1.52 in 24h
0.22 m below Alert · higher than 87.4% of its history
Alert 6.5Minor 7.5Major 9.5
20 Sep 09:30 → 25 Sep 09:04 SLST · shaded: usually, this time of year 1.87–5.90 m, median 4.42 (n=263)
5.4%Alert<8%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 10.95 m on 30 Nov 2025, 00:30 SLST — 1.6× Alert, 1.1× Major. Today's 6.28 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. | ||||
| 14.35 m ▼ | 15 | Normal | 4.7% Alert · n=277 | |
14.35m
09:06 SLST · hourly feed
▼ 0.05 m/h · +1.40 in 24h
0.65 m below Alert · higher than 91% of its history
Alert 15Minor 15.5Major 19
20 Sep 09:30 → 25 Sep 09:06 SLST · shaded: usually, this time of year 10.06–13.52 m, median 11.75 (n=263)
4.7%Alert1.4%Minor<1%Major chance of reaching each level within 24h · from 277 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 14.35 is 66% 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. | ||||
| 3.10 m ▼ | 3.3 | Normal | 42.1% Alert · n=38 | |
3.10m
09:06 SLST · hourly feed
▼ 0.02 m/h · +0.56 in 24h
0.20 m below Alert · higher than 61% of its history
Alert 3.3Minor 4.4Major 5.5
20 Sep 09:30 → 25 Sep 09:06 SLST · shaded: usually, this time of year 1.47–4.57 m, median 3.34 (n=271)
42.1%Alert13.2%Minor<8%Major chance of reaching each level within 24h · from 38 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 3.10 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. | ||||
| 2.75 m | 3 | Normal | 6.5% Alert · n=232 | |
2.75m
09:04 SLST · hourly feed
→ steady · +0.15 in 24h
0.25 m below Alert · higher than 70.9% of its history
Alert 3Minor 4Major 5
20 Sep 09:30 → 25 Sep 09:04 SLST · shaded: usually, this time of year 1.05–3.74 m, median 2.83 (n=305)
6.5%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 232 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 2.75 is 64% 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. | ||||
| 8.72 m ▲ | 10 | Normal | 23% Alert · n=183 | |
8.72m
09:04 SLST · hourly feed
▲ 0.04 m/h · 1.28 m below Alert · +0.89 in 24h
1.28 m below Alert · higher than 77.9% of its history
Alert 10Minor 10.7Major 12.2
20 Sep 09:30 → 25 Sep 09:04 SLST · shaded: usually, this time of year 5.67–9.64 m, median 7.98 (n=303)
23%Alert2.2%Minor0.5%Major chance of reaching each level within 24h · from 183 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 8.72 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. | ||||
| 3.00 ft | 4 | Normal | 8.6% Alert · n=152 | |
3.00ft
09:00 SLST · hourly feed
→ steady · +0.80 in 24h
1.00 ft below Alert · higher than 77.5% of its history
Alert 4Minor 5Major 7
20 Sep 09:30 → 25 Sep 09:00 SLST · shaded: usually, this time of year 1.10–3.50 ft, median 2.55 (n=254)
8.6%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 152 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 3.00 is 35% 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. | ||||
| 3.36 m ▼ | 5 | Normal | 1.1% Alert · n=185 | |
3.36m
09:04 SLST · hourly feed
▼ 0.02 m/h · +0.69 in 24h
1.64 m below Alert · higher than 67.7% of its history
Alert 5Minor 6.2Major 9.6
20 Sep 09:30 → 25 Sep 09:04 SLST · shaded: usually, this time of year 1.74–3.55 m, median 2.92 (n=226)
1.1%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 13.46 m on 29 Nov 2025, 09:30 SLST — 2.7× Alert, 1.4× Major. Today's 3.36 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. | ||||
| 2.45 m ▲ | 4 | Normal | 4.9% Alert · n=82 | |
2.45m
08:17 SLST · hourly feed
▲ 0.05 m/h · 1.55 m below Alert · -2.29 in 24h
1.55 m below Alert · higher than 89.5% of its history
Alert 4Minor 5Major 6.5
20 Sep 09:30 → 25 Sep 08:17 SLST · shaded: usually, this time of year 0.74–3.09 m, median 1.93 (n=305)
4.9%Alert3.7%Minor<4%Major chance of reaching each level within 24h · from 82 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 2.45 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. | ||||
| 1.53 m ▼ | 2.5 | Normal | 10.1% Alert · n=138 | |
1.53m
09:04 SLST · hourly feed
▼ 0.03 m/h · -1.25 in 24h
0.97 m below Alert · higher than 89.9% of its history
Alert 2.5Minor 4Major 6
20 Sep 09:30 → 25 Sep 09:04 SLST · shaded: usually, this time of year 0.23–1.84 m, median 1.11 (n=303)
10.1%Alert4.3%Minor<2%Major chance of reaching each level within 24h · from 138 past readings in this state (level only)
For reference: Cyclone Ditwah, Nov 2025Peak 2.97 m on 26 Nov 2025, 21:30 SLST — 1.2× Alert. Today's 1.53 is 52% 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. | ||||
| 1.41 m ▼ | 3 | Normal | 5.7% Alert · n=210 | |
1.41m
09:07 SLST · hourly feed
▼ 0.10 m/h · -0.35 in 24h
1.59 m below Alert · higher than 76.6% of its history
Alert 3Minor 4Major 6
20 Sep 09:30 → 25 Sep 09:07 SLST · shaded: usually, this time of year 0.47–1.73 m, median 1.06 (n=263)
5.7%Alert4.3%Minor0.5%Major chance of reaching each level within 24h · from 210 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 1.41 is 19% 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. | ||||
| 2.17 m ▼ | 4.8 | Normal | 5% Alert · n=101 | |
2.17m
09:02 SLST · hourly feed
▼ 0.18 m/h · +0.28 in 24h
2.63 m below Alert · higher than 89.6% of its history
Alert 4.8Minor 5.8Major 7
20 Sep 09:30 → 25 Sep 09:02 SLST · shaded: usually, this time of year 0.81–2.32 m, median 1.44 (n=262)
5%Alert3%Minor2%Major chance of reaching each level within 24h · from 101 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 2.17 is 25% 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. | ||||
| 1.17 m | 3 | Normal | 0.2% Alert · n=512 | |
1.17m
09:05 SLST · hourly feed
→ steady · -0.26 in 24h
1.83 m below Alert · higher than 68% of its history
Alert 3Minor 5Major 7
20 Sep 09:30 → 25 Sep 09:05 SLST · shaded: usually, this time of year 0.55–1.11 m, median 0.75 (n=104)
0.2%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 512 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 1.17 is 24% 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. | ||||
| 2.09 m ▼ | 5.5 | Normal | <2% Alert · n=163 | |
2.09m
09:07 SLST · hourly feed
▼ 0.08 m/h · +0.43 in 24h
3.41 m below Alert · higher than 64.4% of its history
Alert 5.5Minor 6.5Major 7.5
20 Sep 09:30 → 25 Sep 09:07 SLST · shaded: usually, this time of year 0.88–2.47 m, median 1.74 (n=220)
<2%Alert<2%Minor<2%Major chance of reaching each level within 24h · from 163 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 2.09 is 17% 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=578 | |
1.13m
09:02 SLST · hourly feed
→ steady · +0.03 in 24h
2.87 m below Alert · higher than 65.4% of its history
Alert 4Minor 5Major 5.5
20 Sep 09:30 → 25 Sep 09:02 SLST · shaded: usually, this time of year -0.19–1.13 m, median 0.63 (n=124)
0.2%Alert0.2%Minor<1%Major chance of reaching each level within 24h · from 578 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=535 | |
1.64m
09:03 SLST · hourly feed
→ steady · -0.01 in 24h
4.36 m below Alert · higher than 43.7% of its history
Alert 6Minor 7.5Major 10.5
20 Sep 09:30 → 25 Sep 09:03 SLST · shaded: usually, this time of year 1.22–1.82 m, median 1.61 (n=125)
<1%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 535 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=682 | |
1.06m
09:00 SLST · hourly feed
▲ 0.02 m/h · +0.16 in 24h
3.34 m below Alert · higher than 68.2% of its history
Alert 4.4Minor 5.4Major 5.9
20 Sep 09:30 → 25 Sep 09:00 SLST · shaded: usually, this time of year 0.42–1.06 m, median 0.71 (n=134)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 682 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. | ||||
| 1.02 m | 6.9 | Normal | <0% Alert · n=707 | |
1.02m
09:00 SLST · hourly feed
→ steady · +0.01 in 24h
5.88 m below Alert · higher than 12.1% of its history
Alert 6.9Minor 8.4Major 8.8
20 Sep 09:30 → 25 Sep 09:00 SLST · shaded: usually, this time of year 0.93–1.35 m, median 1.04 (n=134)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 707 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 1.02 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=661 | |
0.54m
09:03 SLST · hourly feed
→ steady · +0.00 in 24h
4.46 m below Alert · higher than 3.8% of its history
Alert 5Minor 6Major 7.5
20 Sep 09:30 → 25 Sep 09:03 SLST · shaded: usually, this time of year 0.53–0.82 m, median 0.58 (n=134)
0.2%Alert<0%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 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=646 | |
0.41m
08:01 SLST · hourly feed
→ steady · +0.00 in 24h
3.59 m below Alert · higher than 14.9% of its history
Alert 4Minor 5Major 6
20 Sep 09:30 → 25 Sep 08:01 SLST · shaded: usually, this time of year 0.36–0.41 m, median 0.40 (n=106)
0.5%Alert0.5%Minor<0%Major chance of reaching each level within 24h · from 646 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. | ||||
| 0.40 m | 4.75 | Normal | 2.4% Alert · n=339 | |
0.40m
09:04 SLST · hourly feed
→ steady · +0.01 in 24h
4.35 m below Alert · higher than 24.9% of its history
Alert 4.75Minor 6Major 7
20 Sep 09:30 → 25 Sep 09:04 SLST · shaded: usually, this time of year -0.25–0.39 m, median -0.02 (n=65)
2.4%Alert<1%Minor<1%Major chance of reaching each level within 24h · from 339 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 0.40 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. | ||||
| 0.30 m ▲ | 4 | Normal | 0.9% Alert · n=1269 | |
0.30m
09:04 SLST · hourly feed
▲ 0.27 m/h · 3.70 m below Alert · +0.22 in 24h
3.70 m below Alert · higher than 42.7% of its history
Alert 4Minor 4.5Major 6
20 Sep 09:30 → 25 Sep 09:04 SLST · shaded: usually, this time of year 0.05–0.26 m, median 0.10 (n=126)
0.9%Alert0.9%Minor0.3%Major chance of reaching each level within 24h · from 1269 past readings in this state (level only)
For reference: Cyclone Ditwah, Nov 2025Peak 6.65 m on 27 Nov 2025, 18:30 SLST — 1.7× Alert, 1.1× Major. Today's 0.30 is 5% 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. | ||||
| 0.15 m ▼ | 3 | Normal | <9% Alert · n=32 | |
0.15m
09:04 SLST · hourly feed
▼ 0.04 m/h · -0.01 in 24h
2.85 m below Alert · higher than 7.3% of its history
Alert 3Minor 4Major 5
20 Sep 09:30 → 25 Sep 09:04 SLST · shaded: usually, this time of year 0.12–0.52 m, median 0.25 (n=126)
<9%Alert<9%Minor<9%Major chance of reaching each level within 24h · from 32 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=671 | |
0.13m
09:01 SLST · hourly feed
▼ 0.01 m/h · +0.00 in 24h
4.37 m below Alert · higher than 1.4% of its history
Alert 4.5Minor 6Major 7
20 Sep 09:30 → 25 Sep 09:01 SLST · shaded: usually, this time of year 0.13–0.37 m, median 0.15 (n=134)
<0%Alert<0%Minor<0%Major chance of reaching each level within 24h · from 671 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. | ||||
| -0.24 m | 4 | Normal | — | |
-0.24m
09:02 SLST · hourly feed
→ steady · +0.00 in 24h
4.24 m below Alert · higher than 17.5% of its history
Alert 4Minor 4.6Major 6.5
20 Sep 09:30 → 25 Sep 09:02 SLST · shaded: usually, this time of year -0.33–-0.23 m, median -0.27 (n=103)
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. | ||||
| -0.29 m ▲ | 3 | Normal | — | |
-0.29m
09:02 SLST · hourly feed
▲ 0.04 m/h · -0.06 in 24h
3.29 m below Alert · higher than 17.9% of its history
Alert 3Minor 4.3Major 6
20 Sep 09:30 → 25 Sep 09:02 SLST · shaded: usually, this time of year -1.40–-0.03 m, median -0.29 (n=134)
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 -0.29 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. | ||||
| -3.05 m ▼ | 5 | Normal | — | |
-3.05m
09:02 SLST · hourly feed
▼ 0.10 m/h · +0.09 in 24h
8.05 m below Alert · higher than 23.5% of its history
Alert 5Minor 6Major 8
20 Sep 09:30 → 25 Sep 09:02 SLST · shaded: usually, this time of year -3.15–-2.41 m, median -2.99 (n=109)
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 -3.05 is -39% 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. | ||||