Český Krumlov, river Polečnice (Kájovský potok), forecasting profile category A, Surface water

Czech hydrometeorological institute


current status
Mean stage
Tendency : Steady state
river Polečnice (Kájovský potok)
gauge Český Krumlov
category A
inclusion forecasting profile
altitude 482.3 a.s.l.
region Jihočeský kraj
basin number 1-06-01
municipality Český Krumlov
gauge operator ČHMÚ České Budějovice
sub-basin Horní Vltava

Measured and predicted data

stage date and time stage [cm] flow [m3.s-1] temperature [°C]
01.09.2025 16:10 8 0.193 16.1
01.09.2025 16:00 8 0.193 16.1
01.09.2025 15:50 8 0.193 16.1
01.09.2025 15:40 8 0.193 16.1
01.09.2025 15:30 8 0.193 16.1
01.09.2025 15:20 8 0.193 16
01.09.2025 15:00 8 0.193 16
01.09.2025 14:00 8 0.193 15.4
01.09.2025 13:00 8 0.193 14.6
01.09.2025 12:00 8 0.193 13.9
01.09.2025 11:00 8 0.193 13.4
01.09.2025 10:00 8 0.193 13.1
01.09.2025 09:00 8 0.193 13
01.09.2025 08:00 8 0.193 13.1
01.09.2025 07:00 8 0.193 13.2
01.09.2025 06:00 8 0.193 13.4
01.09.2025 05:00 8 0.193 13.7
01.09.2025 04:00 8 0.193 13.9
01.09.2025 03:00 8 0.193 14.1
01.09.2025 02:00 8 0.193 14.4
01.09.2025 01:00 8 0.193 14.7
01.09.2025 00:00 8 0.193 14.9
31.08.2025 23:00 8 0.193 15.2
31.08.2025 22:00 8 0.193 15.5
31.08.2025 21:00 8 0.193 15.7
31.08.2025 20:00 8 0.193 16
31.08.2025 19:00 8 0.193 16.3
31.08.2025 18:00 9 0.229 16.4
31.08.2025 17:00 9 0.229 16.4
31.08.2025 16:00 9 0.229 16.5
the date the forecast was issued 01.09.2025 14:24
date and time stage [cm] flow [m3.s-1]
04.09.2025 08:00 8 0.204
04.09.2025 07:00 8 0.203
04.09.2025 06:00 8 0.202
04.09.2025 05:00 8 0.201
04.09.2025 04:00 8 0.201
04.09.2025 03:00 8 0.2
04.09.2025 02:00 8 0.2
04.09.2025 01:00 8 0.2
04.09.2025 00:00 8 0.2
03.09.2025 23:00 8 0.2
03.09.2025 22:00 8 0.2
03.09.2025 21:00 8 0.201
03.09.2025 20:00 8 0.201
03.09.2025 19:00 8 0.201
03.09.2025 18:00 8 0.202
03.09.2025 17:00 8 0.203
03.09.2025 16:00 8 0.203
03.09.2025 15:00 8 0.203
03.09.2025 14:00 8 0.206
03.09.2025 13:00 8 0.209
03.09.2025 12:00 8 0.21
03.09.2025 11:00 9 0.212
03.09.2025 10:00 9 0.215
03.09.2025 09:00 9 0.219
03.09.2025 08:00 9 0.225
03.09.2025 07:00 9 0.233
03.09.2025 06:00 9 0.244
03.09.2025 05:00 10 0.258
03.09.2025 04:00 10 0.277
03.09.2025 03:00 11 0.3
03.09.2025 02:00 12 0.332
03.09.2025 01:00 13 0.376
03.09.2025 00:00 14 0.432
02.09.2025 23:00 16 0.506
02.09.2025 22:00 17 0.604
02.09.2025 21:00 20 0.717
02.09.2025 20:00 22 0.827
02.09.2025 19:00 23 0.923
02.09.2025 18:00 24 0.982
02.09.2025 17:00 24 0.99
02.09.2025 16:00 24 0.941
02.09.2025 15:00 22 0.837
02.09.2025 14:00 19 0.676
02.09.2025 13:00 15 0.477
02.09.2025 12:00 11 0.304
02.09.2025 11:00 9 0.221
02.09.2025 10:00 8 0.203
02.09.2025 09:00 8 0.198
02.09.2025 08:00 8 0.195
02.09.2025 07:00 8 0.192
02.09.2025 06:00 8 0.19
02.09.2025 05:00 8 0.19
02.09.2025 04:00 8 0.189
02.09.2025 03:00 8 0.189
02.09.2025 02:00 8 0.189
02.09.2025 01:00 8 0.189
02.09.2025 00:00 8 0.189
01.09.2025 23:00 8 0.19
01.09.2025 22:00 8 0.19
01.09.2025 21:00 8 0.19
01.09.2025 20:00 8 0.191
01.09.2025 19:00 8 0.191
01.09.2025 18:00 8 0.191
01.09.2025 17:00 8 0.192
01.09.2025 16:00 8 0.192
01.09.2025 15:00 8 0.192
01.09.2025 14:00 8 0.193
01.09.2025 13:00 8 0.193

Flood warning limits

flood warning levels water stage
Drought 6 cm
Flood watch 100 cm
Flood warning 140 cm
Flooding 170 cm
Extreme flooding 338 cm

Legend - measurement affected

Measurement affected
The measurement is affected by ice phenomena

Valid for / Critical locality :

Kájov - ústí Polečnice

Probability of exceeding levels of flood activity

time of release of the probabilistic forecast 01. 09. 2025 12:00
date Flood watch Flood warning Flooding
01. 09. 13h
less than 5%
less than 5%
less than 5%
02. 09. 01h
less than 5%
less than 5%
less than 5%
02. 09. 13h
less than 5%
less than 5%
less than 5%
03. 09. 01h
less than 5%
less than 5%
less than 5%
03. 09. 13h
less than 5%
less than 5%
less than 5%
04. 09. 01h
less than 5%
less than 5%
less than 5%
Pravděpodobnostní zobrazení LAEF

© Český hydrometeorologický ústav