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The West Coast Regional Council provides a flood monitoring service for six rivers on the West Coast: The Karamea, Mokihinui, Buller, Grey, Hokitika and Waiho Rivers. This service uses a network of rainfall and river level recording stations. These transmit information via radio signal or cell phone network to the Council's computer database.

Radio sites call in 3 hourly under normal conditions, though this frequency may be increased during weather events or when a site has gone through a stage alarm.

Sites using cell phone network communication call in new data every 5 or 15 minutes under all conditions.

The website is continuously refreshed with new data once it arrives in the database

Data is not updated in real-time, there will always be a time lag - the length of this lag will depend on the communication pathway from the site and what call in frequency the site is currently set to.

Use the navigation tree on the left to browse the available data and view maps, notes, images, statistics and plots.

River Level Summary

Site Latest Sample Water Level (mm) Change Last Hour (mm) Flow (cumecs)
Ahaura Rv at Gorge27/09/2021 06:20 2656 -11
Arnold Rv at Moana27/09/2021 06:02 2729 -5
Buller Rv at Woolfs27/09/2021 06:00 2399 -22
Buller Rv at Te Kuha27/09/2021 06:04 3663 -39
Grey Rv at Cobden27/09/2021 06:10 86 2
Grey Rv at Dobson27/09/2021 06:25 1297 -23
Grey Rv at Waipuna27/09/2021 06:08 1704 -10
Haast Rv at Roaring Billy (NIWA)27/09/2021 06:00 1613 -9
Hokitika Rv at Gorge27/09/2021 06:13 1757 -9
Inangahua Rv at Blacks Point27/09/2021 06:25 2445 -10
Inangahua Rv at Landing27/09/2021 06:25 1622 -15
Karamea Rv at Gorge27/09/2021 06:16 1744 -20
Mawheraiti Rv at Atarau Bridge27/09/2021 06:17 1874 3
Mokihinui Rv at Welcome Bay27/09/2021 06:18 846 -22
Orikaka Rv at Gorge27/09/2021 06:15 1017 0
Waiho Rv at SH627/09/2021 06:25 5949 -1
Whataroa Rv at SH6 (NIWA)27/09/2021 05:35 365 -14

Rainfall Summary

Site Latest Sample 1Hour Rain (mm) 24Hour Rain (mm) 6Day Rain (mm)
Ahaura Rv at Gorge27/09/2021 06:20 0.0 1.0 92.0
Arnold Rv at Moana27/09/2021 06:02 0.0 0.5 99.0
Buller Rv at Bald Hill27/09/2021 06:00 0.0 1.5 78.0
Buller Rv at Three Channel Flat26/09/2021 06:57 0.5 36.5 93.0
Cropp Rv at Waterfall (NIWA)27/09/2021 06:06 0.0 14.0369.5
Grey Rv at Waipuna27/09/2021 06:07 0.0 0.5 73.5
Grey Rv at Conical Hill27/09/2021 06:05 0.0 4.0 71.5
Grey Rv at Haupiri27/09/2021 06:06 0.0 2.0133.5
Grey Rv at Ngahere27/09/2021 06:25 0.0 0.5104.5
Greymouth Aero EWS (NIWA)27/09/2021 06:00 0.0 1.0 90.2
Haast Rv at Cron Ck (NIWA)27/09/2021 06:00 0.0 2.0188.0
Haast Rv at Deelaw27/09/2021 06:26 0.0 5.5 98.5
Haast Rv at Roaring Billy (NIWA)27/09/2021 06:00 0.0 0.5162.5
Hokitika EWS (NIWA)27/09/2021 06:00 0.0 3.8 74.2
Hokitika Rv at Colliers Creek27/09/2021 06:12 0.0 3.5191.0
Hokitika Rv at Gorge27/09/2021 06:13 0.0 10.5147.0
Inangahua Rv at Brunner Range27/09/2021 06:25 0.0 2.0130.5
Inangahua Rv at Landing27/09/2021 06:25 0.0 3.5 96.0
Inchbonnie Weather Station (NIWA)27/09/2021 06:00 0.0 2.2165.4
Ivory Lake at Ripplerock (NIWA)27/09/2021 05:00 0.0 12.0241.5
Karamea at Township27/09/2021 06:20 0.0 1.5 62.5
Karamea Rv at Mt Garibaldi27/09/2021 06:15 0.0 11.5132.5
Maruia Rv at Springs Junction27/09/2021 06:25 0.0 1.0 88.5
Mawheraiti Rv at Atarau Bridge27/09/2021 06:17 0.0 1.0 70.0
Mokihinui Rv at Stoney Ck27/09/2021 06:17 0.0 7.0143.0
Okarito EWS (NIWA)27/09/2021 06:00 0.0 2.4 62.4
Orikaka Rv at Plateau Stm27/09/2021 06:00 0.0 4.0123.0
Reefton at Township27/09/2021 06:25 0.0 4.0 84.5
Ross @ Township TCP27/09/2021 06:20 0.0 1.0 29.5
Ross at Township T827/09/2021 06:19 0.0 1.0 65.0
Sirdar Ck at Paparoa27/09/2021 06:20 0.0 10.0177.0
Styx Rv at Mt Browning27/09/2021 06:21 0.0 14.5336.5
Tuke Rv at Tuke Hut (NIWA)27/09/2021 05:00 0.0 14.5288.5
Waiho Rv at Douglas Hut (NIWA)27/09/2021 06:00 0.0 6.0183.5
Waiho Rv at SH627/09/2021 06:25 0.0 2.0121.5
Wangapeka at Biggs Top (NIWA)27/09/2021 06:00 0.0 6.5145.5
WCRC Office27/09/2021 06:26 0.0 0.5 86.5
Westport EWS (NIWA)27/09/2021 06:00 0.0 2.6 49.2
Whataroa Rv at SH6 (NIWA)27/09/2021 05:35 0.0 3.5112.0

Other

Site Latest Sample Water Temperature (DegC) Soil Temperature (DegC)
 



West Coast Regional Council

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Conditions for viewing this site

Please read the terms of the Legal Notice carefully before using this web site. By accessing and browsing this web site, you are deemed to agree to the terms contained in the Legal Notice. If you do not agree to all of the terms contained in the Legal Notice please exit from this site immediately.

Disclaimer

West Coast Regional Council endeavours to provide useful and accurate information however data presented may be ‘raw data’ straight from the councils automatic telemetry system and may not have been processed through the councils quality control process . This data should be treated as preliminary data and may be subject to change.

West Coast Regional Council shall not, however, be liable whether in contract, tort, equity or otherwise, for any loss or damage of any type (including consequential losses) arising directly or indirectly from the inadequacy, inaccuracy or any other deficiency in information supplied irrespective of the cause. Use of information supplied is entirely at the risk of the recipient and shall be deemed to be acceptance of this liability exclusion.

Users are therefore cautioned for all uses of the data. Quality assured data is available on application. For further information please contact info@wcrc.govt.nz.

Last Updated: 6/7/2011