Tuesday 20 February 2018 8:12pm

Cyclone Gita - Update 002 A state of emergency has been declared in the Nelson Tasman region following the significant continuing impact from Cyclone Gita. Tasman District Council Mayor Richard Kempthorne signed the declaration at 7:20 pm. Further flooding in Takaka likely:Following significa...

State of Emergency Declared in Nelson Tasman

Cyclone Gita Information

We'll be posting regular updates on Cyclone Gita for Tasman residents. Civil Defence Centres are open in Motueka, Takaka, Marahau and Nelson.

Read the latest storm update

Anatoki at Happy Sams - River Flow

This page contains the following information:

Flow for last 7 days at Anatoki at Happy Sams

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All times are in NZ Standard Time, during Daylight Saving add one hour.

Flow for last 30 days at Anatoki at Happy Sams

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River Flow History

Catchment size: 101km2

Period of analysis: 5 September 1979 to 30 April 2016.

Comment: Early records are for flood flows only. Drought analysis is from 1987.

 Flood FlowsDrought Flow
Return Period (m3/s) 1 day average7 day average
 Annual 351.5 1.979 2.150
 5 Year 422.0 1.694 1.786
 10 Year 479.2 1.597 1.663
 20 Year 534.2 1.526 1.572
 50 Year 605.4 1.453 1.480
 100 Year      
 Extreme Recorded







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Map of Site Location

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Tasman District Council has exercised all reasonable skill and care in collecting and displaying this information. However, the data is provisional, and may be incorrect until checked by staff. Data should be used with caution where there are safety, monetary, or operational consequences if the data is incorrect. Note also, the data may be changed at a later time.