Grey River / Māwheranui (at Grey River at Dobson, West Coast): Level & Flow Conditions
Real-time river flow in cumecs (m³/s), water stage (m), water temperature, and activity suitability ratings at Grey River at Dobson, West Coast, New Zealand.
Grey River / Māwheranui
Gauging Station: Grey River at Dobson · Catchment: Grey Valley Basin
River Condition Score
River level is within normal Bureau of Meteorology (BoM) range.
Prime conditions for swimming, canoeing, and angling.
Select Activity to Tune Scoring
Scoring algorithm recalibrates suitability according to water depth, stream power, and weather.
24-Hour River Level Trend (m)
BoM telemetry vs. typical normal bounds
River Access & Safety Info
BoM telemetry & public river access points
Frequently Asked Questions About Grey River / Māwheranui
What is the current river level and flow of Grey River / Māwheranui?
Current river flow for Grey River / Māwheranui is measured in cumecs (m³/s) and water level (m) at regional monitoring station #[email protected],171.3000 (Grey River at Dobson). Telemetry is updated continuously.
Is Grey River / Māwheranui safe for rafting, kayaking, swimming, or trout angling today?
River conditions depend on live streamflow volume and velocity. Riverable New Zealand provides a real-time 1–10 River Activity Score tuned for wild swimming, canoeing, whitewater kayaking, and trout angling. Check the live status badge above before entering the water.
What is the typical normal flow range for Grey River / Māwheranui?
The typical baseline flow range at this reach is between 110 m³/s and 1100 m³/s. Levels within this window represent standard navigable conditions.
Can heavy rain in the Southern Alps or ranges cause Grey River / Māwheranui to rise rapidly?
Yes, catchment precipitation and alpine runoff directly cause river levels to surge into flash freshets. Riverable New Zealand monitors 7-day cumulative precipitation and upstream weather models to alert users to rising spate conditions.
Real-time telemetry for monitoring reach #[email protected],171.3000 (Grey River at Dobson) is provisional and subject to ongoing quality assurance. New Zealand alpine river flows can fluctuate rapidly during heavy precipitation or snowmelt. Always check regional council flood notices, wear a certified PFD, and observe Didymo biosecurity rules.