Waimakariri › Waimakariri OHB

Waimakariri River at Old Highway Bridge

137m³/s

Sun, 18 Oct, 12:15 am · 20 min ago

Steady

High ClearingClearing: 2.5 d since the last peak, still 1.3× the 30-day median; glacial, milky in warm weather

Good from about Sun 10:00 am · Sun 8:00 am to Sun 12:45 pm, below 120 m³/s, from this recession

3 h change: 0.00 m³/s
Steady for: 13 h
7-day peak: 604
Thu, 15 Oct, 1:20 pm
30-day median: 104
30-day range: 68.8 – 604
Mean annual flood: 1,489 m³/s
1-in-10-year flood: 2,270 m³/s
Highest gauged: 3,104 m³/s
Water temperature: 12.6 °C
Stage: 2.28 m
Recession: halves in 21 h
fitted to this recession, toward 72.4

Twice daily fluctuations are due to tidal influence Restriction uses de-tided and naturalised flows

Old Highway Bridge; braids get shallow below about 45

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, 12:00 pm	72.4	592	8.2×	28 h
Mon, 28 Sept, 9:00 am	99.7	137	1.4×	43 h

Along the Waimakariri

Upstream

Waimakariri Gorge

1.72 m

JBNZ river guide

Waimakariri River, sections that cite this gauge are marked

Sections

Waimakariri River

Sea to the SH1 bridge No uplifting

6 km

SH1 bridge to Woodstock Class 1

Shingle, braided · 69 km · 4.4 m/km

Launch Gorge bridge; JBNZ SH1 ramp; Intake Road; West Melton

Commercial operator, heavy boat traffic

Woodstock to the Poulter Class 1

Rocks, rapids, gorgy; the benches between the Esk and the Poulter can be class 3 · 36 km · 4.6 m/km

Launch Woodstock, SH72

Commercial operator, heavy boat traffic

Poulter confluence to Bealey bridge Class 3 Closed April to June

Braided, shingle · 32 km · 5.3 m/km

Launch Mt White bridge

Can be soft shingle to launch into

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 Waimakariri OHB · Open-Meteo

11pm

Clear

7.2°

–

2 NW

2am

Clear

5.4°

–

1 SW

5am

Clear

4.3°

–

1 W

8am

Fog

6.0°

–

3 NE

11am

Clear

11.9°

–

15 NE

2pm

Clear

13.6°

–

18 E

5pm

Clear

13.6°

–

16 E

8pm

Clear

11.3°

–

11 E

11pm

Clear

10.4°

–

10 E

2am

Clear

9.1°

–

4 E

5am

Partly cloudy

7.1°

–

4 W

8am

Clear

8.1°

–

9 W

Sat Clear 7.2°/ 7.2° dry

Sun Fog 13.8°/ 4.0° dry

Mon Fog 16.9°/ 6.0° dry

Tue Fog 14.7°/ 6.4° dry

Waimakariri Boat RampOpen live cam ↗

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Waimakariri MouthOpen live cam ↗

Outdoor Access· 5.1 km from the Waimakariri OHB gauge · subscription