Manly Hydraulics Laboratory (MHL) is a team within NSW Water Solutions which provides specialist services in the areas of water, sewer, stormwater, irrigation, coastal and environmental solutions including physical and numerical modelling investigations and delivery of extensive data collection programs. NSW Water Solutions is a business unit within NSW Public Works, a division of Department of Finance, Services and Innovation. For more information click on Capabilities / Services or visit MHL Who Are We.

Office of Environment and Heritage Logo The majority of data presented online by Manly Hydraulics Laboratory (MHL) has been collected under the NSW Coastal Data Network Program managed by Office of Environment and Heritage (OEH). For more information on coasts, estuaries and floods visit :
OEH works closely with local councils, Catchment Management Authorities and communities across the State 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 in NSW please access Bureau of Meteorology's page at

Enter station name (or part of name) :

Featured Project

Nearshore Wave Transform

NSW Sea Level Trends

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