Coastal Hazard Assessment · MCU25/0087

                                                                      17 The Esplanade, Sunshine Beach                                                    Report


Figure 4-1: Wave Rose Sunshine Beach (BMT, 2013) ......................................................................................... 19
Figure 4-2: Offshore Significant Wave Height Design Curves (BMT, 2013).......................................................... 20
Figure 5-1 ETA 602 location in reference to 17 The Esplanade, Sunshine Beach ............................................... 23
Figure 5-2: (Vellinga, 1983) shows a conceptual representation of the profiles of the erosion and accretion zones
associated with storm............................................................................................................................................ 24
Figure 5-3 Plant view of the 3 sections – 17 The Esplanade study area. ............................................................. 25
Figure 5-4 100-year ARI storm profile (Vellinga, 1983) at Section A-A ................................................................. 26
Figure 5-5 100-year ARI storm profile (Vellinga, 1983) at 17 The Esplanade - Section B-B ................................. 26
Figure 5-6 100-year ARI storm profile (Vellinga, 1983) at Section C-C................................................................. 27
Figure 5-7 Conceptualisation of recession due to sea level rise due to Bruun Rule (Bruun, 1962) ...................... 27
Figure 5-9 Dune slumping for 100-year ARI scenario for 17 The Esplanade ........................................................ 29
Figure 5-10 Erosion cut profile for 17 The Esplanade , Sunshine Beach.............................................................. 30
Figure 5-11 2100 Extend of the reassessed erosion prone area .......................................................................... 30
Figure 5-12 ETA 602 Beach profile and storm ETA 2100 ..................................................................................... 32
Figure 5-13 Dune heights and beach profile ......................................................................................................... 33
Figure 5-14 North Sea storm surge hydrograph (Vellinga,1983) .......................................................................... 33
Figure 5-15 conceptual illustration of the erosion prone area components (BMT, 2018) ...................................... 35
Figure 5-16 ETA596 Vellinga calculation (BMT, 2018) ......................................................................................... 35
Figure 5-17 ETA 602 Vellinga calculation (BMT, 2018) ........................................................................................ 36
Figure 5-18 Global mean sea level rise from2006 to 2100 determined by multi- model simulations (IPCC,2014) 36


List of Tables
Table 4-1 Noosa Head Tidal Planes (Maritime Safety Queensland, 2025) ........................................................... 18
Table 4-2 Adopted Storm Tide Levels (excluding wave setup) for Sunshine Beach (Aurecon, 2013) .................. 19
Table 5-2 Summary of Long-Term Recession Results from BMT (2018) ............................................................. 22
Table 5-3 Design Storm Events for Short-term Beach Erosion Assessment ........................................................ 25
Table 5-4 Predicted Short-Term Erosion-Sunshine Coast .................................................................................... 25
Table 5-5 Summary of Shoreline Recession due to Sea Level Rise..................................................................... 28
Table 5-6 Reassessed Erosion Prone Area for 17 The Esplanade, Sunshine Beach........................................... 29
Table 5-7 Comparison of erosion prone area calculations parameters ................................................................. 31
Table 5-8: Comparison of erosion prone area components and width .................................................................. 31




                                                                                               252662-MN-RP-CO-0001B | 10 November 2025 | Page iv