[{"data":1,"prerenderedAt":208},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-swan-wreck-hmas-swan":9,"spot-swan-wreck-hmas-swan":51},{"entries":4,"total":5,"period":6,"type":7,"generated_at":8},[],0,"all_time","reports","2026-10-03T06:32:05.526386Z",{"title":10,"description":11,"canonical_url":12,"og_image":13,"structured_data":14,"breadcrumbs":44},"Snorkeling Conditions at Swan Wreck (HMAS Swan) - How's the Spot","Check snorkeling conditions at Swan Wreck (HMAS Swan), Western Australia. Fair conditions, water 18.0°C, waves 1.08m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fswan-wreck-hmas-swan","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","Swan Wreck (HMAS Swan)","The HMAS Swan (DE 50) is one of the largest and most accessible wreck dives in the Southern Hemisphere, scuttled in 1997 off Eagle Bay near Dunsborough, Western Australia. The 113-metre-long destro...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-33.6177,115.1074,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","Western Australia","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at Swan Wreck (HMAS Swan)",{"@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=western-australia",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=western-australia",{"label":18,"href":50},"\u002Fspots\u002Fswan-wreck-hmas-swan",{"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":147,"area_boundary":56,"routes":56,"created_at":155,"updated_at":156,"today_conditions":157,"today_verdict_view":179,"images":204,"submitted_by":205,"region_name":26,"verification_status":207,"verified_at":56,"disputed":170,"verifier_count":5,"last_verified_display_name":56},"d69c3496-f019-4235-ab95-70117c2434d8","swan-wreck-hmas-swan","The HMAS Swan (DE 50) is one of the largest and most accessible wreck dives in the Southern Hemisphere, scuttled in 1997 off Eagle Bay near Dunsborough, Western Australia. The 113-metre-long destroyer escort rests at 35 metres depth on a sandy seafloor with a slight list to port, now heavily encrusted with colourful soft corals, sponges, and sea fans. Though primarily a dive site, its superstructure rises into shallower depths suitable for experienced snorkelers and freedivers on calm days, offering an extraordinary encounter with a purposeful artificial reef teeming with marine life.","advanced",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],0.009048468709632723,0.008721107988899371,0.1830747682347418,0.01750507352557495,0.04591755378548115,0.001413513345187265,0.004094583655504883,0.00293228005066668,0.01669862207271067,0.13481391276333185,0.05519315962484336,0.03403339216256108,0.006748039184848566,0.046215598031299855,0.0021642977344881404,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],84.99272361833796,221.34980340301155,184.05990864692234,35.64996175830052,67.76047557384567,233.8638370336352,38.36730597853665,245.40517354119316,123.59263634886373,174.54042721233196,178.76855330494232,169.12102227715175,356.8837000618281,57.00644500991967,222.23401878164174,"EOT20","1992-01-01T00:00:00Z",[110,115,119,124,127,130,133,137,140,144],{"name":111,"description":112,"severity":113,"season_start":36,"season_end":114},"Strong ocean currents","Ocean currents can be strong around the wreck site, particularly at depth and tidal changes.","warning",12,{"name":116,"description":117,"severity":118,"season_start":36,"season_end":114},"Boat traffic","The site is accessed by boat and shared with dive vessels; surface vigilance required.","caution",{"name":120,"description":121,"severity":118,"season_start":122,"season_end":123},"Cold water temperatures","Water temperatures in southwestern Australia can drop significantly, especially in winter months.",6,9,{"name":125,"description":126,"severity":118,"season_start":36,"season_end":114},"Variable visibility","Visibility can vary greatly depending on swell and weather conditions, sometimes reducing to a few metres.",{"name":128,"description":129,"severity":113,"season_start":36,"season_end":114},"Depth variation","Wreck rises from 32m to 8m — snorkellers should stay near the shallower sections (crows nest at ~8m) and avoid free-diving deep interior sections.",{"name":131,"description":132,"severity":118,"season_start":122,"season_end":123},"Strong currents","Ocean currents can be unpredictable off Eagle Bay; snorkellers should check conditions with operators before entering.",{"name":134,"description":135,"severity":136,"season_start":56,"season_end":56},"Depth","The wreck rests at 35m with superstructure shallower but still deep; strong freediving or scuba experience required for snorkelers.","danger",{"name":138,"description":139,"severity":113,"season_start":56,"season_end":56},"Strong Swells and Currents","Exposed offshore location at Eagle Bay can experience strong swells, wind chop, and currents, especially in summer sea breezes.",{"name":141,"description":142,"severity":118,"season_start":122,"season_end":143},"Cold Water","Water temperatures can drop to 16-18°C in winter, requiring wetsuit protection for thermal comfort and safety.",8,{"name":145,"description":146,"severity":118,"season_start":56,"season_end":56},"Limited Visibility","Visibility can vary from 5–20m depending on swell, wind, and recent rainfall; plankton blooms in summer also reduce clarity.",{"directions":148,"parking":149,"facilities":150,"fees":153,"access_method":154},"The HMAS Swan wreck is located approximately 4 km offshore from Dunsborough\u002FEagle Bay in the South West Capes region, about a 3-hour drive south of Perth. Access is by private boat (permit required from the Dunsborough Visitor Centre) or via one of the local dive charter operators operating out of Dunsborough.","Parking is available at the Eagle Bay boat ramp or at the Dunsborough foreshore boat launch areas.",[151,152],"parking","boat_ramp","Private boat permit: approx $20 for a day pass or $80 for an annual permit (allows up to 4 divers per vessel). Dive charter fees vary by operator.","boat","2026-07-27T02:59:05.778108Z","2026-08-04T05:36:16.070605Z",{"verdict":158,"evaluated_at":159,"models":160},"marginal","2026-10-03T02:22:37.402100Z",[161,168,174],{"model_name":162,"is_favourable":163,"value":164,"threshold":165,"unit":166,"operator":167},"Wind Speed",true,2.51,10,"kn","lte",{"model_name":169,"is_favourable":170,"value":171,"threshold":172,"unit":173,"operator":167},"Wave Height",false,1.08,0.5,"m",{"model_name":175,"is_favourable":170,"value":176,"threshold":40,"unit":177,"operator":178},"Visibility",1.8,"","gte",{"verdict":158,"rating":180,"evaluated_at":159,"generated_at":159,"source":181,"confidence":182,"visibility":185,"parameters":186,"models_passed":40,"models_total":199},"Fair","precomputed",{"level":183,"value":184},"High",100,{"score":176,"rating":56,"confidence":56},[187,188,192,195,201],{"name":169,"value":171,"label":56,"unit":173,"favourable":170,"score":5,"optimal_max":172,"marginal_max":36},{"name":189,"value":190,"label":56,"unit":191,"favourable":170,"score":36,"optimal_max":143,"marginal_max":114},"Swell Period",11.35,"s",{"name":162,"value":193,"label":56,"unit":166,"favourable":163,"score":43,"optimal_max":165,"marginal_max":194},2.5075536,15,{"name":196,"value":197,"label":56,"unit":198,"favourable":163,"score":43,"optimal_max":199,"marginal_max":200},"Precipitation",1.1,"mm",5,20,{"name":202,"value":56,"label":203,"unit":177,"favourable":170,"score":36,"optimal_max":56,"marginal_max":56},"Tidal Phase","ebb",[],{"display_name":206},"Daniel","unverified",1791009201390]