eCoast is a New Zealand-based marine and freshwater consultancy providing expert technical and advisory services to both public and private sector clients in NZ, Australasia, the Pacific and around the world.

eCoast’s consultants have a wide range of oceanography expertise and experience in both physical and biological processes, with core areas of high-level expertise.


  • COMPLEX NUMERICAL MODELLING of coastal processes and impacts of activities – dispersion (effluent, oil, hyper-saline plumes, chemicals, pollutants, and others), sediment transport, waves, coastal structures, impacts on mangroves/seagrass and a range of other parameters in 2D and 3D.
  • BEACH PROTECTION STRATEGIES AND CLIMATE CHANGE ADAPTATION – development of holistic adaptive management plans for existing conditions and sea level rise resilience and adaptation, including hybrid-solutions combining the most compatible physical and biological solutions for each specific site.
  • TSUNAMI MODELLING – development of tsunami sources, propagation and inundation modelling, tsunami hazard assessments and tsunami effects in ports and harbours.
  • FRESHWATER SYSTEMS – modelling of watersheds, residential and urban storm water flows and riverine flood modelling as well as freshwater sampling and water quality monitoring.
  • FIELD DATA COLLECTION – experience and capacity to collect data pertaining to waves, currents, salinity, bathymetry, sediment suspension, and the whole range of additional parameters.
  • MONITORING AND BIO-STATISTICS – design and capacity for monitoring of biological and physical processes and impacts due to coastal developments.
  • SURF SCIENCE AND SURF BREAK MANAGEMENT – eCoast consultants are the world’s leading technical and scientific group concerning surf science and surf break management including the classification of surf break quality, surf break mechanics, the impact of coastal activities, amenity value and surf break protection.
  • EXPERT WITNESSES – providing experience and evidence in physical and biological processes for legal cases.


Whaingaroa(Raglan) Rivers Forecast

Whaingaroa(Raglan) Rivers Forecast

Surf Break Research MBIE

Surf Break Research MBIE

Lyall Bay

Lyall Bay

Castlecliff Coastal Management

Castlecliff Coastal Management



"Innate knowledge of the coast and surf zone. "

"Bridging the gap between physical process and marine ecological impacts. "

"Providing technical specialist advice on marine community diversity and functionality. "

"Holistic approach considering catchment to coast. "

"Multipurpose reef design and development. "


"Evaluations of surfing wave quality, practised experts in surf break protection and leaders in surf science. "




  • Great to be back in #Seychelles 🇸🇨 working with the #UNDP on a sea level rise and climate change adaptation plan for this wonderful beach. This week we are taking part in a community meeting and using the feedback to inform our decision making in planning a way forward to deal with the erosion and water quality issues here.
  • Saying hello to our friends at #NIWA while landing at WLG yesterday morning.
  • The view from our accommodations in #Cairns for the Coasts  and Ports 2017 conference. #coastsandports2017
  • Took the afternoon oof from #icrs2016 to visit our friends Stu and Chip at the Pacific #Tsunami Warning Center #PTWC

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Recent Posts / View All Posts

eCoast Receives Funding for Tsunami Research and Assessment in the Northland Region

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eCoast Marine Consulting and Research are set to equip the Northland Regional Council with planning and assessment tools for a timely response in the event of a tsunami. On November…

New Zealand Coastal Society Conference – Sustainability Award

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We went en masse to this year’s New Zealand Coastal Society Conference. We had the honour of sponsoring the new Sustainability Award, aimed at promoting sustainable coastal leadership and action…

eCoast Heads to European Surf Park Summit

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Shaw and Ed headed to the first ever European Surf Park Summit last week, held at Surf Snowdonia in North Wales. They joined 75 delegates from around the world to…

November 14 Kaikoura Tsunami

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eCoast scientists are working as part of the scientific response to last night’s M 7.8 earthquake and tsunami. The image above shows a computer simulation of the maximum tsunami height around…