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Strengen water level

River gauge, Gøyst, Telemark, Norway

Directions

Right now

Normal for mid-October

Flow

20.5m³/s Steady over the last 24 hours

0 13 25 Minor floodstage 33.5 m³/s
Flow: 20.5 m³/s. Normal for mid-October.

History

History
-0102030m³/sOct 10Oct 11Oct 13Oct 15Oct 16Minor flood stage-0102030m³/sOct 10Oct 13Oct 16Minor flood stage
-0102030m³/sSep 17Sep 24Oct 1Oct 9Oct 16Minor flood stage-0102030m³/sSep 17Oct 1Oct 16Minor flood stage
-0102030m³/sOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage-0102030m³/sOct 2025Apr 2026Oct 2026Minor flood stage
-0102030m³/sJanMarMayJulSepNov2026-0102030m³/sJanAprJulOct2026

20252026

Flow Normal range (10–90 %) Minor flood stage

What this means

The gauge at Strengen reads 20.5 m³/s, a normal level for mid-October.

It is 13.0 m³/s below the flood level of 33.5 m³/s. That puts it 1.67 m³/s above the median of 18.8 m³/s for mid-October, based on 21 years of readings. A year ago it stood at 25.9 m³/s (−5.50 m³/s).

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 2.06 m³/s and 25.0 m³/s.

Early autumn is often low-water season on rivers, until steadier rain returns.

Compared with 21 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
18.8 m³/s1.67 m³/s above the median for this date
Normal for this date
0.26 m³/s – 24.9 m³/s8 years in 10 fall in this range (21 years of records)
Same day last year
25.9 m³/s−5.50 m³/s
Lowest and highest in 30 days
2.06 m³/s – 25.0 m³/s
Lowest and highest in 12 months
0.00 m³/s – 27.6 m³/s

Visiting the river at Strengen

At a level like this, the river is generally open for paddling, boating and riverside walks.

The flood level is 33.5 m³/s, 13.0 m³/s above the current reading.

Weather at the gauge

The forecast is not available right now.

Sunrise 08:08 AM Sunset 06:17 PM Daylight 10h 9m First quarter 35 %

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
ViertjernRiver gauge, Austbygdåi 0.89 m Normal +0.02 m 15 km
GrosettjernRiver gauge, Grosetåe 936.36 m Below flood stage 18 km
Møsvatn, LanghølRiver gauge, Skiensvassdraget 0.35 m Very low 0.00 m 19 km
AustbygdåiRiver gauge 200.30 m Below flood stage 25 km
KvennaRiver gauge, Skiensvassdraget 1.91 m Normal +0.12 m 28 km
Gjuvå v/NybruRiver gauge, Gjuva 767.11 m Below flood stage 35 km
GrovåiRiver gauge 0.95 m Normal −0.14 m 39 km
Tannsvatn (Lognvikvatnet)River gauge, Tansåi 697.08 m Below flood stage 40 km

Questions and answers

How does the Gøyst at Strengen compare with last year?

It is 5.50 m³/s lower than on the same day last year, when the reading was 25.9 m³/s.

At what level does the Gøyst at Strengen flood?

The official flood level is 33.5 m³/s. The river is currently 13.0 m³/s below it.

How often is Strengen updated?

Several times an hour. New readings from NVE – Norges vassdrags- og energidirektorat appear here as they arrive. Latest: Oct 16, 2026, 10:00 PM GMT+2.

What is the water level of Strengen today?

On Oct 16, 2026, 10:00 PM GMT+2, the flow was 20.5 m³/s. Steady over the last 24 hours.

Is Strengen rising or falling?

Steady over the last 24 hours. Up 16.9 m³/s over the last 7 days.

Is the level of Strengen normal?

Normal for mid-October. Compared with 21 years of daily readings for this time of year.

How often is this data updated?

NVE – Norges vassdrags- og energidirektorat publishes a new reading every hour. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
NVE – Norges vassdrags- og energidirektorat
Station code
nve:16.142.0 (Agency page)
Coordinates
59.99475, 8.37472 (WGS84)
Update interval
every hour
Licence
NLOD 2.0. Contains data from NVE (Norwegian Water Resources and Energy Directorate) under the Norwegian Licence for Open Government Data (NLOD)

Published series

ParameterLast valueTime (UTC)Quality
Flow discharge 20.5 m³/s 2026-10-16 20:00 Provisional

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How to cite

NVE – Norges vassdrags- og energidirektorat: Strengen (nve:16.142.0). Accessed October 16, 2026 via Nivelmap, https://nivelmap.com/en/norway/telemark/strengen

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.