[{"data":1,"prerenderedAt":189},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-sisters-rocks-offshore":9,"spot-sisters-rocks-offshore":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 Sisters Rocks (offshore) - How's the Spot","Check snorkeling conditions at Sisters Rocks (offshore), Tasmania. Excellent conditions, water 13.9°C, waves 0.71m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fsisters-rocks-offshore","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","Sisters Rocks (offshore)","Located roughly 9 km northeast of Eaglehawk Neck off Tasmania's southeast coast, Sisters Rocks is one of Australia's premier wall dives and a spectacular snorkel site. Granite pillars and bommies p...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-42.96,147.9998,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","Tasmania","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at Sisters Rocks (offshore)",{"@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=tasmania",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=tasmania",{"label":18,"href":50},"\u002Fspots\u002Fsisters-rocks-offshore",{"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":124,"area_boundary":56,"routes":56,"created_at":132,"updated_at":133,"today_conditions":134,"today_verdict_view":156,"images":185,"submitted_by":186,"region_name":26,"verification_status":188,"verified_at":56,"disputed":147,"verifier_count":5,"last_verified_display_name":56},"257030c5-71e0-4e87-a647-2364e3bad96e","sisters-rocks-offshore","Located roughly 9 km northeast of Eaglehawk Neck off Tasmania's southeast coast, Sisters Rocks is one of Australia's premier wall dives and a spectacular snorkel site. Granite pillars and bommies plunge into deep water, their flanks completely encrusted with gold zoanthid anemones, soft corals, and a dazzling array of colourful sponges. Dense gardens of sea whips sway in the deeper sections, while the clear temperate waters support weedy seadragons and abundant macro life. Access is by boat only, making it a pristine offshore adventure.","intermediate",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],0.01288878254376405,0.008562341307081653,0.1625176027252124,0.012417464663252314,0.2765428864827135,0.0029298968963829765,0.008732475615402531,0.0031237297181147625,0.07461111608480264,0.10811637995820242,0.0512523219525258,0.026309541093446093,0.01108767621204379,0.02280306026402482,0.0037230217824996453,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],269.9967197364035,318.5687734858514,298.70636745984837,278.5872624829128,311.89778772064096,243.47222804490912,155.1037891494243,182.70890535420352,299.4296810956431,272.5142363318257,293.6300373658933,251.34995199726336,24.028429365277844,317.72551722665406,242.4652795873394,"EOT20","1992-01-01T00:00:00Z",[110,114,118,121],{"name":111,"description":112,"severity":113,"season_start":56,"season_end":56},"Cold water temperatures","Tasmanian waters are cold year-round; a 7mm wetsuit or drysuit is recommended even in summer.","caution",{"name":115,"description":116,"severity":117,"season_start":56,"season_end":56},"Open ocean swells","Exposed offshore location subject to ocean swells, making conditions variable and sometimes rough.","warning",{"name":119,"description":120,"severity":113,"season_start":56,"season_end":56},"Boat traffic","Access is by boat only; snorkelers must be vigilant of dive boats and vessels in the area.",{"name":122,"description":123,"severity":117,"season_start":56,"season_end":56},"Strong currents","Offshore walls and bommies can experience strong tidal currents that may challenge less experienced snorkelers.",{"directions":125,"parking":126,"facilities":127,"fees":130,"access_method":131},"Sisters Rocks lies roughly 9 km northeast of Eaglehawk Neck on the Tasman Peninsula, southeast Tasmania. Boat access is required; launch from Eaglehawk Neck or nearby Port Arthur and head northeast into the Tasman Sea. The site is marked by exposed granite rocks above the waterline.","Parking is available at boat ramps at Eaglehawk Neck (e.g., Pirates Bay) or Port Arthur. No parking at the site itself.",[128,129],"parking","boat_ramp","No fees for snorkeling, but local boat ramp fees may apply.","boat","2026-07-27T02:57:30.867269Z","2026-08-04T05:30:44.786656Z",{"verdict":135,"evaluated_at":136,"models":137},"go","2026-10-03T02:21:44.578735Z",[138,145,151],{"model_name":139,"is_favourable":140,"value":141,"threshold":142,"unit":143,"operator":144},"Wind Speed",true,7.35,10,"kn","lte",{"model_name":146,"is_favourable":147,"value":148,"threshold":149,"unit":150,"operator":144},"Wave Height",false,0.713,0.5,"m",{"model_name":152,"is_favourable":147,"value":153,"threshold":40,"unit":154,"operator":155},"Visibility",1.86,"","gte",{"verdict":135,"rating":157,"evaluated_at":136,"generated_at":136,"source":158,"confidence":159,"visibility":162,"parameters":163,"models_passed":184,"models_total":179},"Excellent","precomputed",{"level":160,"value":161},"High",100,{"score":153,"rating":56,"confidence":56},[164,166,172,175,181],{"name":146,"value":165,"label":56,"unit":150,"favourable":147,"score":36,"optimal_max":149,"marginal_max":36},0.712957480704,{"name":167,"value":168,"label":56,"unit":169,"favourable":140,"score":43,"optimal_max":170,"marginal_max":171},"Swell Period",6,"s",8,12,{"name":139,"value":173,"label":56,"unit":143,"favourable":140,"score":43,"optimal_max":142,"marginal_max":174},7.354141323465736,15,{"name":176,"value":177,"label":56,"unit":178,"favourable":140,"score":43,"optimal_max":179,"marginal_max":180},"Precipitation",0.4,"mm",5,20,{"name":182,"value":56,"label":183,"unit":154,"favourable":140,"score":43,"optimal_max":56,"marginal_max":56},"Tidal Phase","slack",4,[],{"display_name":187},"Daniel","unverified",1791009197045]