[{"data":1,"prerenderedAt":184},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-willyama-marion-bay":9,"spot-willyama-marion-bay":51},{"entries":4,"total":5,"period":6,"type":7,"generated_at":8},[],0,"all_time","reports","2026-10-02T06:59:37.379659Z",{"title":10,"description":11,"canonical_url":12,"og_image":13,"structured_data":14,"breadcrumbs":44},"Snorkeling Conditions at Willyama (Marion Bay) - How's the Spot","Check snorkeling conditions at Willyama (Marion Bay), South Australia. Fair conditions, water 16.4°C, waves 0.22m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fwillyama-marion-bay","https:\u002F\u002Fhowsthespot.com\u002Fog-default.png",[15,28],{"@context":16,"@type":17,"name":18,"description":19,"url":12,"geo":20,"address":24},"https:\u002F\u002Fschema.org","Place","Willyama (Marion Bay)","Willyama Beach in Marion Bay sits at the southern tip of the Yorke Peninsula, offering clear, sheltered waters with the historic wreck of the SS Willyama just offshore — a 2705-tonne steamer that s...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-35.245376,136.978003,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","South Australia","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at Willyama (Marion Bay)",{"@context":16,"@type":32,"itemListElement":33},"BreadcrumbList",[34,39,42],{"@type":35,"position":36,"name":37,"item":38},"ListItem",1,"Home","https:\u002F\u002Fhowsthespot.com",{"@type":35,"position":40,"name":26,"item":41},2,"https:\u002F\u002Fhowsthespot.com\u002Fexplore?region=south-australia",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=south-australia",{"label":18,"href":50},"\u002Fspots\u002Fwillyama-marion-bay",{"id":52,"name":18,"slug":53,"latitude":22,"longitude":23,"description":54,"difficulty":55,"image_url":56,"status":57,"tide_constituents":58,"hazard_entries":109,"access_info_structured":121,"area_boundary":56,"routes":56,"created_at":129,"updated_at":130,"today_conditions":131,"today_verdict_view":153,"images":180,"submitted_by":181,"region_name":26,"verification_status":183,"verified_at":56,"disputed":149,"verifier_count":5,"last_verified_display_name":56},"d7105b74-14f3-47d2-8cee-78559a4e0547","willyama-marion-bay","Willyama Beach in Marion Bay sits at the southern tip of the Yorke Peninsula, offering clear, sheltered waters with the historic wreck of the SS Willyama just offshore — a 2705-tonne steamer that sank at Rhino Head in 1907. Snorkelers can explore scattered wreckage and a mast that still breaks the surface, while the surrounding sandy cove provides easy shore access. The area is a gateway to Dhilba Guuranda-Innes National Park, with calm conditions making it a family-friendly spot.","beginner",null,"published",{"name":59,"amplitude":75,"phase":91,"latitude":22,"model":107,"epoch":108},[60,61,62,63,64,65,66,67,68,69,70,71,72,73,74],"2N2","J1","K1","K2","M2","M4","MF","MM","N2","O1","P1","Q1","S1","S2","T2",[76,77,78,79,80,81,82,83,84,85,86,87,88,89,90],0.007621031807578392,0.011300914952530512,0.1992485926662375,0.04047955887137313,0.17412553873975664,0.0008152809513248643,0.00758359194444047,0.00957915922813476,0.010852417397814956,0.13898976650630793,0.05629041309776262,0.03449571639800346,0.017537266727395313,0.17227468009933097,0.01784841157020606,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],183.1662377296591,276.04186228309436,255.9556938438563,182.31657892959748,129.6093255828497,195.34058382516525,120.63320425008243,253.50422845486656,200.71259031336325,239.4881987962188,256.48680778341225,223.02880769774902,3.2758043450976397,170.83827732719806,165.34060057670365,"EOT20","1992-01-01T00:00:00Z",[110,115,118],{"name":111,"description":112,"severity":113,"season_start":36,"season_end":114},"Cold water temperatures","Southern Ocean waters remain cold year-round; a wetsuit is strongly recommended even in summer for comfort and safety.","caution",12,{"name":116,"description":117,"severity":113,"season_start":56,"season_end":56},"Wreck debris & protruding mast","The wreck of the SS Willyama has scattered metal debris and protruding mast that can cause cuts or entanglement if approached carelessly.",{"name":119,"description":120,"severity":113,"season_start":56,"season_end":56},"Sudden wind changes","Winds can pick up quickly on the southern Yorke Peninsula, creating choppy surface conditions and reducing visibility.",{"directions":122,"parking":123,"facilities":124,"fees":127,"access_method":128},"From Adelaide, drive south-west via the A1 and B86 highways (~3 hours). Turn south at Minlaton onto Yorke Highway, then follow signs to Marion Bay. Willyama Beach is accessed via a walkway from the headland off Willyama Drive.","Secure driveway parking available at Willyama Beach House; additional street parking along Willyama Drive and at Marion Bay Caravan Park (17 Willyama Dr).",[125,126],"parking","toilets","No entry fee for the beach. Marion Bay Caravan Park and accommodation options nearby may charge accordingly.","shore_entry","2026-07-27T02:57:07.348303Z","2026-08-04T05:36:16.070607Z",{"verdict":132,"evaluated_at":133,"models":134},"marginal","2026-10-02T02:22:31.150823Z",[135,142,147],{"model_name":136,"is_favourable":137,"value":138,"threshold":139,"unit":140,"operator":141},"Wind Speed",true,8.17,10,"kn","lte",{"model_name":143,"is_favourable":137,"value":144,"threshold":145,"unit":146,"operator":141},"Wave Height",0.219,0.5,"m",{"model_name":148,"is_favourable":149,"value":150,"threshold":40,"unit":151,"operator":152},"Visibility",false,0.99,"","gte",{"verdict":132,"rating":154,"evaluated_at":133,"generated_at":133,"source":155,"confidence":156,"visibility":159,"parameters":160,"models_passed":43,"models_total":175},"Fair","precomputed",{"level":157,"value":158},"High",100,{"score":150,"rating":56,"confidence":56},[161,163,168,171,177],{"name":143,"value":162,"label":56,"unit":146,"favourable":137,"score":43,"optimal_max":145,"marginal_max":36},0.2187086422349518,{"name":164,"value":165,"label":56,"unit":166,"favourable":149,"score":5,"optimal_max":167,"marginal_max":114},"Swell Period",12.7,"s",8,{"name":136,"value":169,"label":56,"unit":140,"favourable":137,"score":43,"optimal_max":139,"marginal_max":170},8.167603556153745,15,{"name":172,"value":173,"label":56,"unit":174,"favourable":149,"score":36,"optimal_max":175,"marginal_max":176},"Precipitation",11.6,"mm",5,20,{"name":178,"value":56,"label":179,"unit":151,"favourable":137,"score":43,"optimal_max":56,"marginal_max":56},"Tidal Phase","slack",[],{"display_name":182},"Daniel","unverified",1790924524254]