Hurunui › Hurunui SH1

Hurunui River at SH1 Bridge

89.4m³/s

Sun, 18 Oct, 12:05 am · 29 min ago

Steady

High ClearingClearing: 2.6 d since the last peak

Good from about Sun 5:30 pm · Sun 12:30 pm to Mon 12:15 am, below 80 m³/s, from 1 past recession

3 h change: -0.42 m³/s
Steady for: 19 h
7-day peak: 161
Thu, 15 Oct, 12:05 pm
30-day median: 72.5
30-day range: 40.4 – 161
Mean annual flood: 780 m³/s
1-in-10-year flood: 1,350 m³/s
Highest gauged: 786 m³/s
Water temperature: 12.0 °C
Stage: 1.45 m
Recession: halves in 2.3 d
median of 1 past rise, toward 40.4

Flow

m³/s · New Zealand time

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Water temperature

°C, last week

Recent rises

detected from hourly means

Peak	From	To	Rise	Settled
Thu, 15 Oct, 11:00 am	40.4	160	3.9×	receding
Mon, 28 Sept, 12:00 am	64.2	112	1.7×	3.4 d

Along the Hurunui

Upstream

Hurunui Mandamus

61.1 m³/s

JBNZ river guide

Hurunui River, sections that cite this gauge are marked

Sections

Hurunui River

SH70 bridge to the sea

Shingle, willows; fast and mean above SH70 · 16 km · 11.9 m/km

Launch Railway bridge at the mouth

No current information, history not known. Please give information to JBNZ if you boat it.

This row sits under the Hurunui in the sheet, but SH70 does not cross the Hurunui, so it may describe another river.

Sea to SH7 Class 1

Shingle, braided, gorge · 49 km · 4.1 m/km

35 cumecs at Mandamus. Hurunui Mandamus now 60.7 m³/s, above the minimum.

Launch SH1

SH7 to Mandamus Class 2

Boulders, shingle, braided · 20 km · 6 m/km

40 cumecs at Mandamus. Hurunui Mandamus now 60.7 m³/s, above the minimum.

Launch Balmoral bridge, south side, at times into the Waitohi

Mandamus River to Lake Sumner Class 3

Rocks, boulders, gorgy, rapids · 40 km · 6 m/km

100 to 140 cumecs at Mandamus. Hurunui Mandamus now 60.7 m³/s, below the minimum.

Launch The Peaks, ask permission

Requires high flow conditions.

Lake Sumner to No. 3 Hut Class 3

Shingle, braided · 16 km · 7.2 m/km

Launch Loch Katrine

Requires high flow conditions. Seldom boated.

From the Jet Boating New Zealand Canterbury river information sheet of July 2024, transcribed by hand on 17 October 2026. Uplifting is whether the 5-knot limit is lifted for the section. JBNZ can update the sheet at any time; flo checked it 6 h ago. Open the PDF.

Weather

at Hurunui SH1 · Open-Meteo

11pm

Partly cloudy

6.0°

–

1 N

2am

Fog

4.6°

–

3 NW

5am

Fog

3.2°

–

6 NW

8am

Fog

6.5°

–

6 NW

11am

Clear

13.2°

–

11 NE

2pm

Clear

15.3°

–

13 E

5pm

Clear

15.4°

–

10 NE

8pm

Clear

10.7°

–

6 N

11pm

Clear

9.7°

–

7 N

2am

Clear

9.1°

–

8 NW

5am

Clear

8.5°

–

13 NW

8am

Clear

11.2°

–

15 NW

Sat Partly cloudy 6.0°/ 6.0° dry

Sun Fog 15.5°/ 3.2° dry

Mon Partly cloudy 18.5°/ 7.8° dry

Tue Overcast 16.5°/ 7.9° dry

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