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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 Gorge25/07/2021 23:05 2448 -1 87.28
Arnold Rv at Moana25/07/2021 23:09 2945 -3 127.40
Buller Rv at Woolfs25/07/2021 23:03 2139 -3
Buller Rv at Te Kuha25/07/2021 23:00 3197 -6 589.37
Grey Rv at Cobden25/07/2021 23:50 355 178
Grey Rv at Dobson25/07/2021 23:55 1025 -4 326.25
Grey Rv at Waipuna25/07/2021 21:12 1362 -10 35.15
Haast Rv at Roaring Billy25/07/2021 21:05 1272 25 85.59
Hokitika Rv at Gorge25/07/2021 23:12 1719 18 90.22
Inangahua Rv at Blacks Point25/07/2021 23:55 2186 -2
Inangahua Rv at Landing25/07/2021 23:55 1336 -2 41.04
Karamea Rv at Gorge25/07/2021 23:13 1545 3 109.38
Mawheraiti Rv at Atarau Bridge25/07/2021 23:30 1591 -8 14.40
Mokihinui Rv at Welcome Bay25/07/2021 23:07 559 -5 63.88
Orikaka Rv at Gorge25/07/2021 23:10 893 2
Waiho Rv at SH625/07/2021 23:55 5962 -29
Whataroa Rv at SH6 (NIWA)25/07/2021 23:35 613 156 105.84

Rainfall Summary

Site Latest Sample 1Hour Rain (mm) 24Hour Rain (mm) 6Day Rain (mm)
Ahaura Rv at Gorge25/07/2021 23:05 0.0 0.5 13.5
Arnold Rv at Moana25/07/2021 23:09 0.0 0.0 30.0
Buller Rv at Bald Hill25/07/2021 23:07 1.5 2.5 42.0
Cropp Rv at Waterfall (NIWA)23/07/2021 22:06 0.0 0.0191.5
Grey Rv at Waipuna25/07/2021 23:11 0.0 0.5 12.0
Grey Rv at Conical Hill25/07/2021 23:10 0.0 0.0 20.0
Grey Rv at Haupiri25/07/2021 21:11 0.0 0.0 21.0
Grey Rv at Ngahere25/07/2021 23:45 0.0 1.0 25.5
Greymouth Aero EWS (NIWA)25/07/2021 23:00 0.0 0.0 64.6
Haast Rv at Cron Ck (NIWA)23/07/2021 22:00 0.0 0.0 51.5
Haast Rv at Deelaw25/07/2021 21:05 5.0 26.0 57.0
Haast Rv at Roaring Billy25/07/2021 21:05 6.5 26.0 78.0
Hokitika EWS (NIWA)25/07/2021 23:00 0.2 5.0 47.4
Hokitika Rv at Colliers Creek25/07/2021 23:03 1.0 11.5126.0
Hokitika Rv at Gorge25/07/2021 23:12 1.0 8.5 80.5
Inangahua Rv at Brunner Range25/07/2021 23:57 0.0 0.5 55.5
Inangahua Rv at Landing25/07/2021 23:55 0.0 0.5 47.5
Inchbonnie Weather Station (NIWA)25/07/2021 23:00 0.0 1.6 64.2
Ivory Lake at Ripplerock (NIWA)23/07/2021 22:00 0.0 7.0125.5
Karamea at Township25/07/2021 23:56 0.0 0.0 3.0
Karamea Rv at Mt Garibaldi25/07/2021 23:06 0.5 4.0 79.0
Maruia Rv at Springs Junction25/07/2021 23:55 0.0 0.5 32.5
Mawheraiti Rv at Atarau Bridge25/07/2021 23:30 0.0 0.0 12.0
Mokihinui Rv at Stoney Ck25/07/2021 23:06 0.0 0.0 59.0
Okarito EWS (NIWA)25/07/2021 23:00 5.2 20.8 60.6
Orikaka Rv at Plateau Stm25/07/2021 23:03 0.5 0.5 88.0
Reefton at Township25/07/2021 23:55 0.0 0.5 31.0
Ross at Township25/07/2021 21:17 1.0 7.0 72.5
Sirdar Ck at Paparoa25/07/2021 23:08 1.0 8.0 66.5
Styx Rv at Mt Browning25/07/2021 21:09 0.5 9.0 95.5
Tuke Rv at Tuke Hut (NIWA)24/07/2021 05:12 0.0 0.0305.0
Waiho Rv at Douglas Hut (NIWA)25/07/2021 23:00 1.5 18.0 73.0
Waiho Rv at SH625/07/2021 23:55 1.5 21.0 71.0
Wangapeka at Biggs Top (NIWA)25/07/2021 23:00 0.0 1.0 47.0
WCRC Office25/07/2021 23:56 0.0 0.0 59.5
Westport EWS (NIWA)25/07/2021 23:00 0.6 1.2 34.6
Whataroa Rv at SH6 (NIWA)25/07/2021 23:35 0.0 9.0 79.0

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