[{"data":1,"prerenderedAt":189},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-the-plateau-port-phillip-heads":9,"spot-the-plateau-port-phillip-heads":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 The Plateau (Port Phillip Heads) - How's the Spot","Check snorkeling conditions at The Plateau (Port Phillip Heads), Victoria. Poor conditions, water 14.4°C, waves 0.52m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fthe-plateau-port-phillip-heads","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","The Plateau (Port Phillip Heads)","The Plateau is a massive rocky reef platform situated at the entrance to Port Phillip Bay, within the protected Port Phillip Heads Marine National Park near Point Lonsdale. This submerged granite p...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-38.2905,144.6126,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","Victoria","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at The Plateau (Port Phillip Heads)",{"@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=victoria",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=victoria",{"label":18,"href":50},"\u002Fspots\u002Fthe-plateau-port-phillip-heads",{"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":127,"area_boundary":56,"routes":56,"created_at":135,"updated_at":136,"today_conditions":137,"today_verdict_view":158,"images":185,"submitted_by":186,"region_name":26,"verification_status":188,"verified_at":56,"disputed":143,"verifier_count":5,"last_verified_display_name":56},"a3111d48-8626-40c6-8dc2-d3c61e27947c","the-plateau-port-phillip-heads","The Plateau is a massive rocky reef platform situated at the entrance to Port Phillip Bay, within the protected Port Phillip Heads Marine National Park near Point Lonsdale. This submerged granite plateau sits at around 30 metres depth and is renowned for its dramatic kelp forests, sponge gardens, and abundant marine life drawn by the strong tidal flows that flush the bay. The site offers advanced snorkelers and divers a wild, current-swept encounter with one of Victoria's richest temperate marine ecosystems, where you can drift over vast rock shelves encrusted with colourful corals, ascidians, and hydroids.","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],0.014773366241252951,0.014422121733653521,0.21621258404964294,0.04692373271555564,0.7086170730056764,0.04934884904189695,0.006493483019042718,0.0061251708063669,0.1448540862418551,0.15170701241025522,0.06595779377449318,0.03334593284721109,0.014625153576914863,0.20604076315330558,0.021283874159821987,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],302.7137356679081,298.11451855218115,270.56697071495967,156.1495029831206,30.784072344685217,141.7843238458761,169.87888252634298,230.57556956704573,351.3895548405771,250.7294176825598,263.04967934353414,240.55662663580256,2.9488333687364734,155.41510201751407,160.16481235992603,"EOT20","1992-01-01T00:00:00Z",[110,114,118,124],{"name":111,"description":112,"severity":113,"season_start":56,"season_end":56},"Strong tidal currents","Port Phillip Heads experiences powerful tidal flows as the bay fills and empties — can easily sweep snorkelers out to open ocean.","danger",{"name":115,"description":116,"severity":117,"season_start":56,"season_end":56},"Boat traffic","Heavy vessel traffic at the mouth of Port Phillip Bay, including freighters, ferries, and recreational boats.","warning",{"name":119,"description":120,"severity":121,"season_start":122,"season_end":123},"Cold water temperatures","Temperate Victorian waters, especially at depth, can cause rapid heat loss and cold shock.","caution",5,11,{"name":125,"description":126,"severity":117,"season_start":56,"season_end":56},"Deep water entry","The Plateau is a deep site (~30 m) requiring boat access and strong fitness; no shore entry option.",{"directions":128,"parking":129,"facilities":130,"fees":133,"access_method":134},"The Plateau lies offshore at the entrance to Port Phillip Bay, near Point Lonsdale. Access is only by private or charter boat from Queenscliff, Point Lonsdale, or Portsea. The site is within the Port Phillip Heads Marine National Park.","Parking available at boat ramps in Queenscliff and Point Lonsdale.",[131,132],"parking","boat_ramp","No entry fee for Marine National Park, but boat launching fees may apply at ramps.","boat","2026-07-27T02:58:13.724985Z","2026-08-04T05:34:24.990876Z",{"verdict":138,"evaluated_at":139,"models":140},"no_go","2026-10-02T02:21:10.437641Z",[141,148,153],{"model_name":142,"is_favourable":143,"value":144,"threshold":145,"unit":146,"operator":147},"Wind Speed",false,12.38,10,"kn","lte",{"model_name":149,"is_favourable":143,"value":150,"threshold":151,"unit":152,"operator":147},"Wave Height",0.52,0.5,"m",{"model_name":154,"is_favourable":143,"value":155,"threshold":40,"unit":156,"operator":157},"Visibility",0.97,"","gte",{"verdict":138,"rating":159,"evaluated_at":139,"generated_at":139,"source":160,"confidence":161,"visibility":164,"parameters":165,"models_passed":5,"models_total":122},"Poor","precomputed",{"level":162,"value":163},"High",100,{"score":155,"rating":56,"confidence":56},[166,168,174,177,182],{"name":149,"value":167,"label":56,"unit":152,"favourable":143,"score":36,"optimal_max":151,"marginal_max":36},0.5200005530864201,{"name":169,"value":170,"label":56,"unit":171,"favourable":143,"score":5,"optimal_max":172,"marginal_max":173},"Swell Period",12.05,"s",8,12,{"name":142,"value":175,"label":56,"unit":146,"favourable":143,"score":36,"optimal_max":145,"marginal_max":176},12.37663563536662,15,{"name":178,"value":179,"label":56,"unit":180,"favourable":143,"score":5,"optimal_max":122,"marginal_max":181},"Precipitation",22.5,"mm",20,{"name":183,"value":56,"label":184,"unit":156,"favourable":143,"score":36,"optimal_max":56,"marginal_max":56},"Tidal Phase","flood",[],{"display_name":187},"Daniel","unverified",1790924511210]