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Fishing Calendar for Kolpa River, Slovenia

Forming the border with Croatia, the Kolpa is prized for exceptionally clean water and a healthy population of grayling, brown trout and chub in its upper reaches near Osilnica and Kočevje.

River · 45.6467, 15.3208 · times shown in local time (Europe/Ljubljana)

Kolpa River right now

From the gauge at Metlika · 8 Oct, 03:00 · Open on River map →

On 8 October 2026 at 03:00 the Kolpa River at Metlika (1 km from this spot) was flowing at 6.9 m³/s, which the gauging agency rates as low flow, with the water at 15.3 °C.

Flow 6.9 m³/s Low steady over 24 h
Water level 12 cm Normal steady over 24 h
Water temperature 15.3 °C up 0.8 °C in 24 h
PetrinaMetlikaMetlikaThis spot

The Kolpa River over the last 7 days

Readings every hour at Metlika, the gauge nearest this spot. The shaded band is the gauge's usual range over the last 30 days.

Flow

6.9 m³/s
Metlika · last 7 days
7810Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7

Water level

12 cm
Metlika · last 7 days
121417Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7

Water temperature

15.3 °C
Metlika · last 7 days
141619Fri 2Sat 3Sun 4Mon 5Tue 6Wed 7

All gauges on the Kolpa River

4 official gauges along the river, the nearest highlighted. Flow is coloured as the gauging agency rates it: Low Normal High

GaugeFlowLevelWaterLast 7 days
Petrina 42 km away 2.1 m³/s Low 45 cm 12.8 °C
Sodevci 26 km away 4.5 m³/s Low 24 cm 12.8 °C
Metlikanearest 1 km away 6.9 m³/s Low 12 cm 15.3 °C
Metlika 1 km away 6.9 m³/s Normal 12 cm —

Best fishing times in October 2026

DateMoonSunriseSunset Major periodsMinor periodsEfficiency
Thu 01 Waning gibbous 06:56 18:39 03:29–05:29, 16:02–18:02 09:45–11:45, 22:18–00:18 39% ●●○○○
Fri 02 Waning gibbous 06:58 18:37 04:31–06:31, 17:04–19:04 10:48–12:48 78% ●●●●○
Sat 03 Waning gibbous 06:59 18:35 05:33–07:33, 18:06–20:06 23:17–01:17, 11:50–13:50 98% ●●●●●
Sun 04 Waning crescent 07:00 18:33 06:34–08:34, 19:05–21:05 00:19–02:19, 12:50–14:50 84% ●●●●●
Mon 05 Waning crescent 07:01 18:31 07:31–09:31, 20:01–22:01 01:17–03:17, 13:46–15:46 47% ●●●○○
Tue 06 Waning crescent 07:03 18:29 08:24–10:24, 20:51–22:51 02:11–04:11, 14:38–16:38 15% ●○○○○
Wed 07 Waning crescent 07:04 18:27 09:13–11:13, 21:39–23:39 03:01–05:01, 15:26–17:26 14% ●○○○○
Thu 08 Waning crescent 07:05 18:26 10:00–12:00, 22:25–00:25 03:48–05:48, 16:12–18:12 39% ●●○○○
See efficiency and feeding times for every day in the Fishing Calendar app — get it for iOS or Android.
Fri 09 Waning crescent 07:07 18:24 ····· ····· Unlock · iOS / Android
Sat 10 Waning crescent 07:08 18:22 ····· ····· Unlock · iOS / Android
Sun 11 New moon 07:09 18:20 ····· ····· Unlock · iOS / Android
Mon 12 Waxing crescent 07:10 18:18 ····· ····· Unlock · iOS / Android
Tue 13 Waxing crescent 07:12 18:16 ····· ····· Unlock · iOS / Android
Wed 14 Waxing crescent 07:13 18:15 ····· ····· Unlock · iOS / Android
Thu 15 Waxing crescent 07:14 18:13 ····· ····· Unlock · iOS / Android
Fri 16 Waxing crescent 07:16 18:11 ····· ····· Unlock · iOS / Android
Sat 17 Waxing crescent 07:17 18:09 ····· ····· Unlock · iOS / Android
Sun 18 First quarter 07:18 18:08 ····· ····· Unlock · iOS / Android
Mon 19 Waxing gibbous 07:20 18:06 ····· ····· Unlock · iOS / Android
Tue 20 Waxing gibbous 07:21 18:04 ····· ····· Unlock · iOS / Android
Wed 21 Waxing gibbous 07:23 18:02 ····· ····· Unlock · iOS / Android
Thu 22 Waxing gibbous 07:24 18:01 ····· ····· Unlock · iOS / Android
Fri 23 Waxing gibbous 07:25 17:59 ····· ····· Unlock · iOS / Android
Sat 24 Waxing gibbous 07:27 17:58 ····· ····· Unlock · iOS / Android
Sun 25 Waxing gibbous 06:28 16:56 ····· ····· Unlock · iOS / Android
Mon 26 Waning gibbous 06:29 16:54 ····· ····· Unlock · iOS / Android
Tue 27 Waning gibbous 06:31 16:53 ····· ····· Unlock · iOS / Android
Wed 28 Waning gibbous 06:32 16:51 ····· ····· Unlock · iOS / Android
Thu 29 Waning gibbous 06:34 16:50 ····· ····· Unlock · iOS / Android
Fri 30 Waning gibbous 06:35 16:48 ····· ····· Unlock · iOS / Android
Sat 31 Waning gibbous 06:36 16:47 ····· ····· Unlock · iOS / Android

Fish of the Kolpa River

Species recorded along the gauged stretch of the Kolpa River, from GBIF occurrence ranges.

Frequently asked questions

Is the Kolpa River high right now?
No. On 8 October 2026 the gauging agency rated the flow at Metlika as low (6.9 m³/s). This page shows the current reading of the nearest gauge whenever you open it.
What fish are in the Kolpa River?
Species recorded along the gauged stretch of the Kolpa River include European grayling, Common nase, Salmo marmoratus, European bullhead, Common barbel, Common dace. The list comes from GBIF occurrence ranges that cover the gauges, so it shows where a species has been recorded rather than how common it is.
Where can I check the Kolpa River water level?
4 official gauges measure the Kolpa River from Petrina to Metlika. Their latest readings are listed on this page and on the River map.
When is the best time to fish at Kolpa River?
The highest-rated day in the current month at Kolpa River is 10 October 2026, with a fishing efficiency of 100%.
Do moon phases affect fishing at Kolpa River?
Solunar theory links feeding activity to the moon's position. Major periods occur when the moon is overhead or underfoot, with shorter minor periods midway between them. New and full moons generally produce the strongest activity.

River data sources

Readings on this page come from official gauging stations:

Nearby fishing spots