Waiau Uwha › Waiau Uwha Maling

Waiau Uwha River at Maling Pass

9.74m³/s

Sat, 17 Oct, 10:00 pm · 1.5 h ago

Steady

Likely dirtyLikely dirty: 3.1 d since the last peak, 1.7× the 30-day median

3 h change: -0.19 m³/s
Steady for: 19 h
7-day peak: 66.2
Wed, 14 Oct, 11:00 pm
30-day median: 5.62
30-day range: 4.40 – 66.2
Mean annual flood: 90.0 m³/s
1-in-10-year flood: 130 m³/s
Highest gauged: 108 m³/s
Stage: 0.82 m
Recession: halves in 17 h
fitted to this recession, toward 6.62

Flow

m³/s · New Zealand time

Drag to zoom, double-click to reset. Download CSV

Recent rises

detected from hourly means

Peak	From	To	Rise	Settled
Wed, 14 Oct, 9:00 pm	6.62	66.1	10.0×	19 h
Sun, 27 Sept, 12:00 pm	4.41	30.0	6.8×	11 h

Along the Waiau Uwha

Downstream

Waiau Uwha Marble Pt

109 m³/s

JBNZ river guide

Waiau Uwha River, sections that cite this gauge are marked

Sections

Waiau Uwha River

Sea to Leslie Hills Class 1

Shingle, braided · 68 km · 3.75 m/km

Minimum flow 35 cumecs. Waiau Uwha Mouth now 75.8 m³/s, above the minimum. The sheet does not name the gauge; this is our choice.

Launch SH1 bridge, or Waiau township

Low flows can present issues. All huts along this section are privately owned: seek permission from the owners before using them.

Leslie Hills to Ferry Bridge Class 2

Gorgy, rocks · 16 km · 3.9 m/km

Launch Waiau township, Mason River junction

Notify the commercial operator

Ferry Bridge to the Hope Class 2

Boulders, braided · 19 km · 6.3 m/km

Launch As above

Hope confluence to the Narrows Class 3

Rocky, rapids, gorgy · 19 km · 8.9 m/km

Launch Waiau riverbed above the Hanmer Ferry bridge

The Narrows have been boated. Very isolated section.

Narrows (Stanley River confluence) to the Ada No uplifting

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 4.9 h ago. Open the PDF.

Weather

at Waiau Uwha Maling · Open-Meteo

10pm

Clear

2.8°

–

2 SW

1am

Clear

3.9°

–

2 W

4am

Clear

3.1°

–

3 NW

7am

Clear

3.6°

–

3 NW

10am

Clear

10.2°

–

2 W

1pm

Clear

12.5°

–

4 SW

4pm

Clear

14.7°

–

5 SW

7pm

Clear

12.7°

–

3 SW

10pm

Clear

6.0°

–

4 NW

1am

Clear

3.7°

–

6 NW

4am

Clear

2.9°

–

7 NW

7am

Clear

3.4°

–

6 NW

Sat Clear 2.9°/ 2.8° dry

Sun Clear 14.8°/ 3.0° dry

Mon Fog 17.4°/ 2.7° dry

Tue Fog 15.7°/ 4.8° dry