[{"data":1,"prerenderedAt":191},["ShallowReactive",2],{"leaderboard-total":3,"spot-barwon-bluff-marine-sanctuary":9,"spot-seo-barwon-bluff-marine-sanctuary":155},{"entries":4,"total":5,"period":6,"type":7,"generated_at":8},[],0,"all_time","reports","2026-10-03T06:32:05.526386Z",{"id":10,"name":11,"slug":12,"latitude":13,"longitude":14,"description":15,"difficulty":16,"image_url":17,"status":18,"tide_constituents":19,"hazard_entries":70,"access_info_structured":89,"area_boundary":17,"routes":17,"created_at":97,"updated_at":98,"today_conditions":99,"today_verdict_view":121,"images":150,"submitted_by":151,"region_name":153,"verification_status":154,"verified_at":17,"disputed":105,"verifier_count":5,"last_verified_display_name":17},"5f0d1720-513c-4cf8-91dd-186fce258cef","Barwon Bluff Marine Sanctuary","barwon-bluff-marine-sanctuary",-38.290598,144.501611,"At the mouth of the Barwon River near Barwon Heads, this 17-hectare marine sanctuary protects a remarkable mosaic of basalt and sandstone reefs teeming with life. Snorkellers can drift over colourful sponge gardens, swim through towering kelp forests of Crayweed and Bull Kelp, and explore shallow rock platforms packed with anemones, seastars, and molluscs. The sheltered eastern side offers calm conditions influenced by tidal currents, while the western side catches Bass Strait swells. Look for the remains of the 1853 shipwreck *Earl of Charlemont* on the outer reef edge — all within a compact, easily accessible site.","intermediate",null,"published",{"name":20,"amplitude":36,"phase":52,"latitude":13,"model":68,"epoch":69},[21,22,23,24,25,26,27,28,29,30,31,32,33,34,35],"2N2","J1","K1","K2","M2","M4","MF","MM","N2","O1","P1","Q1","S1","S2","T2",[37,38,39,40,41,42,43,44,45,46,47,48,49,50,51],0.014363225805707668,0.014061530311070677,0.21493894154805687,0.04633988165595081,0.6938710367553813,0.049448729223001496,0.006372342433336643,0.005963525655015214,0.1424753020081663,0.15095726522854191,0.0656115914379758,0.032938667145294094,0.01579019156767787,0.2064022990393771,0.020563528150482673,[53,54,55,56,57,58,59,60,61,62,63,64,65,66,67],301.8701855856734,297.22967114912194,269.6579605792015,155.36691651275282,30.193797044089198,140.08230358184466,169.16882591978106,228.6434266796457,350.5551357737894,249.97849091286207,262.52990610589825,239.103555277471,4.802309689570763,153.48697809745943,157.85464202104924,"EOT20","1992-01-01T00:00:00Z",[71,75,79,82,86],{"name":72,"description":73,"severity":74,"season_start":17,"season_end":17},"Cliff Instability","Recent rockfall events along the Bluff cliffs. Stay clear of cliff bases and areas of fallen rock debris.","warning",{"name":76,"description":77,"severity":78,"season_start":17,"season_end":17},"High Incoming Tides","At high tide there is no safe access along the base of the cliffs. Can trap snorkellers against eroding cliff faces.","danger",{"name":80,"description":81,"severity":74,"season_start":17,"season_end":17},"Swell Exposure (West Side)","The western side of the reef is exposed to persistent high-energy south-westerly swells from Bass Strait, creating rough conditions.",{"name":83,"description":84,"severity":85,"season_start":17,"season_end":17},"Strong Tidal Currents","Tidal currents and Barwon River flow influence the eastern side of the reef, with tidal variation up to 2.1 metres on spring tides.","caution",{"name":87,"description":88,"severity":85,"season_start":17,"season_end":17},"Slippery Rock Platforms","Intertidal calcarenite and basalt reef platforms can be extremely slippery, especially when wet with algae.",{"directions":90,"parking":91,"facilities":92,"fees":95,"access_method":96},"Located in Barwon Heads, approximately 20 km west of the entrance to Port Phillip and 1.5 hours south-west of Melbourne via the M1. Access the sanctuary from the town of Barwon Heads via Bluff Road.","Carparks available at Emergency Marker points 27W and 28W, with stair access down to the beach. Additional parking along Bluff Road.",[93,94],"parking","toilets","No entry fee. The sanctuary is a fully protected no-take zone under the National Parks Act.","shore_entry","2026-07-27T02:58:02.581563Z","2026-08-04T05:32:31.002681Z",{"verdict":100,"evaluated_at":101,"models":102},"no_go","2026-10-03T02:17:15.297878Z",[103,110,115],{"model_name":104,"is_favourable":105,"value":106,"threshold":107,"unit":108,"operator":109},"Wind Speed",false,13.89,10,"kn","lte",{"model_name":111,"is_favourable":105,"value":112,"threshold":113,"unit":114,"operator":109},"Wave Height",0.666,0.5,"m",{"model_name":116,"is_favourable":105,"value":117,"threshold":118,"unit":119,"operator":120},"Visibility",0.85,2,"","gte",{"verdict":100,"rating":122,"evaluated_at":101,"generated_at":101,"source":123,"confidence":124,"visibility":127,"parameters":128,"models_passed":5,"models_total":145},"Poor","precomputed",{"level":125,"value":126},"High",100,{"score":117,"rating":17,"confidence":17},[129,132,138,141,147],{"name":111,"value":130,"label":17,"unit":114,"favourable":105,"score":131,"optimal_max":113,"marginal_max":131},0.6656367974821398,1,{"name":133,"value":134,"label":17,"unit":135,"favourable":105,"score":131,"optimal_max":136,"marginal_max":137},"Swell Period",10.2,"s",8,12,{"name":104,"value":139,"label":17,"unit":108,"favourable":105,"score":131,"optimal_max":107,"marginal_max":140},13.887156410175251,15,{"name":142,"value":143,"label":17,"unit":144,"favourable":105,"score":5,"optimal_max":145,"marginal_max":146},"Precipitation",46,"mm",5,20,{"name":148,"value":17,"label":149,"unit":119,"favourable":105,"score":131,"optimal_max":17,"marginal_max":17},"Tidal Phase","flood",[],{"display_name":152},"Daniel","Victoria","unverified",{"title":156,"description":157,"canonical_url":158,"og_image":159,"structured_data":160,"breadcrumbs":184},"Snorkeling Conditions at Barwon Bluff Marine Sanctuary - How's the Spot","Check snorkeling conditions at Barwon Bluff Marine Sanctuary, Victoria. Poor conditions, water 14.1°C, waves 0.67m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fbarwon-bluff-marine-sanctuary","https:\u002F\u002Fhowsthespot.com\u002Fog-default.png",[161,170],{"@context":162,"@type":163,"name":11,"description":164,"url":158,"geo":165,"address":167},"https:\u002F\u002Fschema.org","Place","At the mouth of the Barwon River near Barwon Heads, this 17-hectare marine sanctuary protects a remarkable mosaic of basalt and sandstone reefs teeming with life. Snorkellers can drift over colourf...",{"@type":166,"latitude":13,"longitude":14},"GeoCoordinates",{"@type":168,"addressRegion":153,"addressCountry":169},"PostalAddress","Australia",{"@context":162,"@type":171,"name":172,"description":157,"url":158,"breadcrumb":173},"WebPage","Snorkeling Conditions at Barwon Bluff Marine Sanctuary",{"@context":162,"@type":174,"itemListElement":175},"BreadcrumbList",[176,180,182],{"@type":177,"position":131,"name":178,"item":179},"ListItem","Home","https:\u002F\u002Fhowsthespot.com",{"@type":177,"position":118,"name":153,"item":181},"https:\u002F\u002Fhowsthespot.com\u002Fexplore?region=victoria",{"@type":177,"position":183,"name":11,"item":158},3,[185,187,189],{"label":178,"href":186},"\u002F",{"label":153,"href":188},"\u002Fexplore?region=victoria",{"label":11,"href":190},"\u002Fspots\u002Fbarwon-bluff-marine-sanctuary",1791009129231]