Manly Hydraulics Laboratory (MHL) provides specialist and impartial advice relating to coastal and water engineering and water flow assurance, utilising physical and numerical modelling, NATA accredited facilities and extensive data collection programs in water, sewer, stormwater, irrigation, coastal, riverine and environmental systems. MHL is a business unit within the Water Division of the Department of Planning, Industry and Environment (DPIE).

MHL proudly hosts the NSW Modelling and Monitoring knowledge Hub (MaMH) and is a key member of the Engineering Emergency Management Team. For more information click on Capabilities / Services or visit MHL Who Are We. CSD) The majority of data presented online by MHL has been collected under the NSW Coastal Data Network Program managed by the Climate Change and Sustainability Division Division of DPIE.

For more information on coasts, estuaries and floods visit: .
MHL and EES work closely with other agencies, local government and communities across New South Wales to ensure the long-term protection, conservation and restoration of coastal, estuary and floodplain environments by reducing the risks posed by coastal hazards such as extreme tides, sea level rise and floods.

For current warnings and additional water data please visit the Bureau of Meteorology at:

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Featured Project


New MHL website
MHL's Flood and Coastal Intelligence Tool (MHLFIT) Public version is being launched as a beta version for testing. The system provides visualisation of real-time data for the NSW coast. Ask us if you would like a quote to provide a customised MHLFIT web portal that provides real-time flood and coastal modelling in your area. Please provide us with feedback. click to preview »»

NSW Waves

The Nearshore Wave Transform Toolbox uses numerical model results to transform measure and forecast offshore wave conditions to over 14,000 nearshore wave locations along the entire NSW coast. Estimated nearshore wave conditions are forecast for up to 3 days ahead.
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