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The s...",{"@type":15,"latitude":16,"longitude":17},"GeoCoordinates",-31.95053,115.86046,{"@type":19,"addressRegion":20,"addressCountry":21},"PostalAddress","Western Australia","Australia",{"@type":23,"ratingValue":24,"bestRating":25,"worstRating":26,"ratingCount":26},"AggregateRating","3.0","5","1",{"@context":10,"@type":28,"name":29,"description":5,"url":6,"breadcrumb":30},"WebPage","Snorkeling Conditions at Crystal Palace (dive site)",{"@context":10,"@type":31,"itemListElement":32},"BreadcrumbList",[33,38,41],{"@type":34,"position":35,"name":36,"item":37},"ListItem",1,"Home","https:\u002F\u002Fhowsthespot.com",{"@type":34,"position":39,"name":20,"item":40},2,"https:\u002F\u002Fhowsthespot.com\u002Fexplore?region=western-australia",{"@type":34,"position":42,"name":12,"item":6},3,{"@context":10,"@type":31,"itemListElement":44},[45,46,47],{"@type":34,"position":35,"name":36,"item":37},{"@type":34,"position":39,"name":20,"item":40},{"@type":34,"position":42,"name":12,"item":6},[49,51,53],{"label":36,"href":50},"\u002F",{"label":20,"href":52},"\u002Fexplore?region=western-australia",{"label":12,"href":54},"\u002Fspots\u002Fcrystal-palace-dive-site",{"id":56,"name":12,"slug":57,"latitude":16,"longitude":17,"description":58,"difficulty":59,"image_url":60,"status":61,"tide_constituents":60,"hazard_entries":62,"access_info_structured":76,"area_boundary":60,"routes":60,"created_at":81,"updated_at":82,"today_conditions":83,"today_verdict_view":105,"images":116,"submitted_by":117,"region_name":20},"e3ef10fe-be91-4112-93d2-681bc3b9e382","crystal-palace-dive-site","Crystal Palace is a stunning limestone reef system off the southwest tip of Rottnest Island, named for the spectacle of diver bubbles rising through honeycombed rock like shimmering crystals. The site features an intricate network of caves, swim-throughs, and crevices set in clear protected waters, with an average depth of 10–12 m and a maximum of 18 m. The reef spans a wall that drops from 5 m to 10 m, offering snorkellers and divers a maze-like underwater playground among the limestone formations.","intermediate",null,"published",[63,69,73],{"name":64,"description":65,"severity":66,"season_start":67,"season_end":68},"Swell and surge","Swell from the south-west can reduce visibility and create surge through the caves and swim-throughs, especially in winter.","caution",5,8,{"name":70,"description":71,"severity":72,"season_start":60,"season_end":60},"Confined cave swim-throughs","The network of limestone caves and swim-throughs can disorient snorkellers; care is needed to avoid getting lost or bumped against rock walls.","warning",{"name":74,"description":75,"severity":66,"season_start":60,"season_end":60},"Boat traffic","Boat traffic in the Rottnest Island channel requires vigilance when surfacing.",{"directions":77,"parking":60,"facilities":78,"fees":60,"access_method":80},"Crystal Palace is located off the southwest end of Rottnest Island, approximately 800–850 m southwest of Dyer Island. Access is by private boat or via chartered dive\u002Fsnorkel tours departing from Fremantle or Rottnest Island.",[79],"toilets","boat","2026-07-27T02:58:45.566583Z","2026-07-27T02:58:45.566586Z",{"verdict":84,"evaluated_at":85,"models":86},"marginal","2026-08-13T12:24:38.165066Z",[87,94,100],{"model_name":88,"is_favourable":89,"value":90,"threshold":91,"unit":92,"operator":93},"Wind Speed",true,5.64,10,"kn","lte",{"model_name":95,"is_favourable":96,"value":97,"threshold":98,"unit":99,"operator":93},"Wave Height",false,0.52,0.5,"m",{"model_name":101,"is_favourable":96,"value":102,"threshold":39,"unit":103,"operator":104},"Visibility",0.99,"","gte",{"verdict":84,"rating":106,"evaluated_at":85,"generated_at":85,"source":107,"confidence":108,"visibility":111,"parameters":112,"models_passed":35,"models_total":42},"Fair","precomputed",{"level":109,"value":110},"High",100,{"score":102,"rating":60,"confidence":60},[113,114,115],{"name":88,"value":90,"unit":92,"favourable":89,"score":60,"optimal_max":91,"marginal_max":60},{"name":95,"value":97,"unit":99,"favourable":96,"score":60,"optimal_max":98,"marginal_max":60},{"name":101,"value":102,"unit":103,"favourable":96,"score":60,"optimal_max":39,"marginal_max":60},[],{"display_name":118},"Daniel",{"spot":120,"predictions":121,"extrema":122,"days":39,"data_available":96,"quality":123,"quality_note":124},{"slug":57,"name":12,"latitude":16,"longitude":17},[],[],"estimated","Tide data unavailable for this spot — no harmonic constituents on file.",1786624228768]