[{"data":1,"prerenderedAt":191},["ShallowReactive",2],{"leaderboard-total":3,"spot-diamond-island":9,"spot-seo-diamond-island":157},{"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":84,"area_boundary":91,"routes":91,"created_at":92,"updated_at":93,"today_conditions":94,"today_verdict_view":116,"images":144,"submitted_by":152,"region_name":154,"verification_status":155,"verified_at":91,"disputed":156,"verifier_count":5,"last_verified_display_name":91},"7797bd50-84ab-4ff5-aadc-ea816b413cf5","Diamond Island","diamond-island",-41.85,148.283,"Diamond Island (also known as Cod Rock) is a 6.76-hectare low granite island nature reserve lying 200 m off Bicheno on Tasmania's east coast. At low tide a broad sand spit connects it to Red Bill Beach, allowing you to walk across to explore fiery lichen-covered rocks, pristine rock pools, and one of Tasmania's largest little penguin rookeries (approx. 200 breeding pairs). The clear temperate waters around the island offer superb shore-entry snorkeling over granite reefs teeming with fish.","intermediate","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_diamond-island_0_26e4d4a16d90.jpg","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],0.015859031177545363,0.009053640890597533,0.16424657439174412,0.01357063341278078,0.3462991228444328,0.005441561661347435,0.00749702678337942,0.004121280002547368,0.08920753323684312,0.10630246830795208,0.05091987863615415,0.024963602017324296,0.0099478406011915,0.04543077203783122,0.0006323972594852606,[53,54,55,56,57,58,59,60,61,62,63,64,65,66,67],274.4761100191595,331.4781219957147,302.67863557050964,289.3512543075121,311.2345118167871,232.34500585506964,161.65017475554419,170.68714370912033,299.52430770080423,272.7313912390155,296.4470590231482,245.9456479591879,50.0997376605996,314.5085548718846,100.74710266325053,"EOT20","1992-01-01T00:00:00Z",[71,77,81],{"name":72,"description":73,"severity":74,"season_start":75,"season_end":76},"Tidal Cut-off (Sand Spit)","The sand spit connecting Diamond Island to the mainland is only exposed at low tide. If you misjudge the tide you can be stranded on the island for up to 12 hours. Always check local tide times before crossing.","danger",1,12,{"name":78,"description":79,"severity":80,"season_start":75,"season_end":76},"Uneven Rock Terrain","The island has no formed walking tracks; traversing requires scrambling over uneven, slippery granite boulders and rocks, especially near the shoreline.","caution",{"name":82,"description":83,"severity":80,"season_start":75,"season_end":76},"Cold Water Temperature","Tasmanian east coast waters are temperate and can be very cold (10-16 °C year-round). A wetsuit is strongly recommended for comfort and safety.",{"directions":85,"parking":86,"facilities":87,"fees":89,"access_method":90},"From central Bicheno, head north along the Tasman Highway \u002F Burgess Street to Red Bill Beach. Park at the Red Bill Beach car park (signed). Walk approximately 10 minutes along the beach southward to the sand spit connecting to Diamond Island. Crossing the sand spit is only possible at low tide.","Free car park at Red Bill Beach, Bicheno, just off Burgess Street (the Tasman Highway).",[88],"parking","Free. No fees to access the island or snorkel.","shore_entry",null,"2026-07-27T02:57:37.857784Z","2026-08-04T05:34:24.990642Z",{"verdict":95,"evaluated_at":96,"models":97},"go","2026-10-03T02:17:46.094709Z",[98,105,110],{"model_name":99,"is_favourable":100,"value":101,"threshold":102,"unit":103,"operator":104},"Wind Speed",true,1.22,10,"kn","lte",{"model_name":106,"is_favourable":100,"value":107,"threshold":108,"unit":109,"operator":104},"Wave Height",0.457,0.5,"m",{"model_name":111,"is_favourable":100,"value":112,"threshold":113,"unit":114,"operator":115},"Visibility",2.31,2,"","gte",{"verdict":95,"rating":117,"evaluated_at":96,"generated_at":96,"source":118,"confidence":119,"visibility":122,"parameters":123,"models_passed":139,"models_total":139},"Excellent","precomputed",{"level":120,"value":121},"High",100,{"score":112,"rating":91,"confidence":91},[124,127,132,135,141],{"name":106,"value":125,"label":91,"unit":109,"favourable":100,"score":126,"optimal_max":108,"marginal_max":75},0.4569014516120055,3,{"name":128,"value":129,"label":91,"unit":130,"favourable":100,"score":126,"optimal_max":131,"marginal_max":76},"Swell Period",4,"s",8,{"name":99,"value":133,"label":91,"unit":103,"favourable":100,"score":126,"optimal_max":102,"marginal_max":134},1.2198709386454907,15,{"name":136,"value":137,"label":91,"unit":138,"favourable":100,"score":126,"optimal_max":139,"marginal_max":140},"Precipitation",2.1,"mm",5,20,{"name":142,"value":91,"label":143,"unit":114,"favourable":100,"score":126,"optimal_max":91,"marginal_max":91},"Tidal Phase","slack",[145],{"id":146,"image_url":17,"sort_order":5,"is_primary":100,"moderation_status":147,"license":148,"license_url":149,"attribution":150,"author_name":151},"fb026c71-4694-4b07-97a3-fa532b63341e","approved","CC BY 2.0","https:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby\u002F2.0\u002F","Photo by Mike Friederich","Mike Friederich",{"display_name":153},"Daniel","Tasmania","unverified",false,{"title":158,"description":159,"canonical_url":160,"og_image":17,"structured_data":161,"breadcrumbs":184},"Snorkeling Conditions at Diamond Island - How's the Spot","Check snorkeling conditions at Diamond Island, Tasmania. Excellent conditions, water 13.8°C, waves 0.46m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fdiamond-island",[162,171],{"@context":163,"@type":164,"name":11,"description":165,"url":160,"geo":166,"address":168},"https:\u002F\u002Fschema.org","Place","Diamond Island (also known as Cod Rock) is a 6.76-hectare low granite island nature reserve lying 200 m off Bicheno on Tasmania's east coast. At low tide a broad sand spit connects it to Red Bill B...",{"@type":167,"latitude":13,"longitude":14},"GeoCoordinates",{"@type":169,"addressRegion":154,"addressCountry":170},"PostalAddress","Australia",{"@context":163,"@type":172,"name":173,"description":159,"url":160,"breadcrumb":174},"WebPage","Snorkeling Conditions at Diamond Island",{"@context":163,"@type":175,"itemListElement":176},"BreadcrumbList",[177,181,183],{"@type":178,"position":75,"name":179,"item":180},"ListItem","Home","https:\u002F\u002Fhowsthespot.com",{"@type":178,"position":113,"name":154,"item":182},"https:\u002F\u002Fhowsthespot.com\u002Fexplore?region=tasmania",{"@type":178,"position":126,"name":11,"item":160},[185,187,189],{"label":179,"href":186},"\u002F",{"label":154,"href":188},"\u002Fexplore?region=tasmania",{"label":11,"href":190},"\u002Fspots\u002Fdiamond-island",1791009147070]