2021-11-15 GC Agenda - Item 7 - Attachment 1 - Coastal Hazards Adaptation Plan

           Noosa Shire Council




  SUNRISE BEACH AND SUNSHINE BEACH
  Setting                                                               The low height of the frontal dunes, backed by
                                                                        very steep vegetated dunes, in this section of
  Sunrise Beach and Sunshine Beach are the                              the coastline mean some areas of the beach
  northern-most localities in the Eastern Beaches.                      and dune foreshore may be at risk from a major
  Bordered by Burgess Creek in the south, and                           coastal erosion event. Appendix 4 shows the
  Noosa National Park at the northern end, this                         projected change in erosion prone area due to
  locality has around 3.2 kilometres of beach                           sea level rise across various parts of Sunrise
  frontage with a vegetated dune area between                           Beach and Sunshine Beach during a severe
  development and the sea. These localities,                            storm event. Tables 8 and 9 below provide a
  particularly the beaches and foreshore                                summary of the changing risk profile for six
  recreational areas, are popular with locals                           broad asset types within the localities that
  and visitors. They contain a range of assets                          are projected to be exposed to the effects of
  and activities, from residential and tourist                          coastal erosion between present day and 2100.
  accommodation, to popular restaurants and the
                                                                        The main public assets at risk in Sunrise and
  Sunshine Beach Surf Life Saving Club (SLSC).
                                                                        Sunshine Beach are: natural assets (beaches
  Despite their popularity these localities maintain
                                                                        and vegetated dunes); beach accesses;
  the aesthetics and atmosphere of a small
                                                                        carparks and roads; buried infrastructure,
  village.
                                                                        and the Sunshine Beach SLSC and Ed Webb
                                                                        Park. As well as these, a significant number of
  Risks to Sunrise Beach and                                            beachfront private dwellings may be affected.
  Sunshine Beach                                                        The capacity to provide and maintain coastal
                                                                        protection works (e.g. seawalls) for protection
  Both Sunrise and Sunshine Beach have                                  from erosion risks is impaired given the steep
  experienced erosion and loss of the frontal                           profile of the dune system upon which the
  dunes during powerful swell events and tropical                       majority of high-risk locations are developed
  cyclones. Like the other Eastern Beaches                              (such as private dwellings along Seaview
  localities, the beaches have typically recovered                      Terrace, Park Road, and Tingira Crescent) and
  through natural coastal processes over time.                          the scale of many of these structures relative to
                                                                        their lot size.
                                                                        Impacts to the public assets (e.g. carparks,
                                                                        roads) may also have indirect impacts on
                                                                        adjacent commercial and retail businesses.

                   Asset Type                    Sunrise Beach Erosion Risks by Year
                                        Present Day              2040                2070                2100
                   Tourism                                                 Low
                   Business                                                Low
                   Residential                         Low                           High             Very High
                   Infrastructure31           Low                                 Very High
                   Recreational                                            Low
                   Natural                 Medium                          High                       Very High
                             Table 8 - Change in Sunrise Beach asset risk profiles across planning horizons
                        Table 8 - Change in Sunrise Beach asset risk profiles across planning horizons


   31
        These resultsAsset    Type
                      are driven              Sunshine
                                 by exposure of           Beach
                                                David Low Way       Erosion
                                                              as it crosses    Risks
                                                                            Burgess    by Year
                                                                                    Creek.
                                        Present Day              2040               2070                2100
Page 50            Tourism                         Low                             Medium               High
                   Business                                                Low
                   Residential32           Medium                                 Very High