[{"data":1,"prerenderedAt":192},["ShallowReactive",2],{"leaderboard-total":3,"spot-cod-hole-lennox-head-area":9,"spot-seo-cod-hole-lennox-head-area":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":91,"area_boundary":17,"routes":17,"created_at":99,"updated_at":100,"today_conditions":101,"today_verdict_view":124,"images":152,"submitted_by":153,"region_name":155,"verification_status":156,"verified_at":17,"disputed":114,"verifier_count":5,"last_verified_display_name":17},"1bebd6e6-0b9f-4f42-aa43-9dbe84421e24","Cod Hole (Lennox Head area)","cod-hole-lennox-head-area",-28.793251,153.591107,"The Cod Hole is a renowned dive and snorkel site at Nguthungulli\u002FJulian Rocks, part of the Cape Byron Marine Park, about 2.5 km off the coast near Lennox Head. Named for the large Queensland groper (cod) that inhabits a dramatic swim-through arch, this site features boulder-strewn gutters, black coral trees, and rocky reef formations dropping from 13 m to 22 m. It's celebrated for spectacular seasonal aggregations of endangered grey nurse sharks that parade through the 'shark gutters', plus turtles, eagle rays, wobbegongs, and schools of barracuda and jewfish.","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],0.020442526319853657,0.011573793093655013,0.18778054270122196,0.040853784062323775,0.5300851464060554,0.003343750358410483,0.0006782518721175022,0.0021051246101433533,0.10678600432505594,0.1065917281941186,0.055096016977034264,0.02537118537786361,0.0022438258206925587,0.14892883501098036,0.014187471383853,[53,54,55,56,57,58,59,60,61,62,63,64,65,66,67],292.8553789620611,353.427591308377,352.3618329836918,297.3030528838433,301.35093265747787,213.4779239029171,22.105539664002354,19.69441461385952,294.01071629428645,319.22862047545425,343.76287031437806,298.9133456106168,43.22075822280061,313.15934822725376,317.32326824721133,"EOT20","1992-01-01T00:00:00Z",[71,77,81,84,87],{"name":72,"description":73,"severity":74,"season_start":75,"season_end":76},"Grey Nurse Shark Aggregation","Large numbers of grey nurse sharks (endangered) patrol the gutters; they are generally docile but divers and snorkelers should maintain respectful distance and avoid cornering them.","caution",5,11,{"name":78,"description":79,"severity":80,"season_start":17,"season_end":17},"Strong Ocean Currents","Currents around Julian Rocks can be unpredictable and strong, especially around the Cod Hole arch and gutters. Snorkelers need to be strong swimmers and stay with their group.","warning",{"name":82,"description":83,"severity":74,"season_start":17,"season_end":17},"Boat Traffic","The site is accessed by boat only; multiple dive operators and private vessels use the area. Be vigilant for boat traffic, especially at the surface.",{"name":85,"description":86,"severity":74,"season_start":17,"season_end":17},"Depth and Drop-offs","The site drops from 13 m to 22 m depth with rocky ledges and swim-through arches. Snorkelers should stay near the surface and be aware of sudden depth changes near the reef edge.",{"name":88,"description":89,"severity":74,"season_start":75,"season_end":90},"Winter Water Temperature","Winter water temperatures can drop significantly, requiring thicker wetsuits. Cold exposure risk for unprepared snorkelers from May to September.",9,{"directions":92,"parking":93,"facilities":94,"fees":97,"access_method":98},"Cod Hole is located at Nguthungulli\u002FJulian Rocks, approximately 2.5 km offshore from Byron Bay. Access is by boat only — several dive operators launch from Byron Bay beach or the Jonson Street boat ramp. The boat ride takes approximately 5–10 minutes.","Parking available at Byron Bay boat ramp on Jonson Street (~800 m east of town centre) and beachside parking near main Byron Bay beach. Paid parking in town centre.",[95,96],"parking","toilets","No entry fee to the marine park. Boat charter fees apply (approx. AUD $100–$160 per person for a guided trip).","boat","2026-07-27T02:56:02.583683Z","2026-08-04T05:30:44.786536Z",{"verdict":102,"evaluated_at":103,"models":104},"go","2026-10-03T02:21:00.422408Z",[105,112,118],{"model_name":106,"is_favourable":107,"value":108,"threshold":109,"unit":110,"operator":111},"Wind Speed",true,6.06,10,"kn","lte",{"model_name":113,"is_favourable":114,"value":115,"threshold":116,"unit":117,"operator":111},"Wave Height",false,0.81,0.5,"m",{"model_name":119,"is_favourable":107,"value":120,"threshold":121,"unit":122,"operator":123},"Visibility",2.16,2,"","gte",{"verdict":102,"rating":125,"evaluated_at":103,"generated_at":103,"source":126,"confidence":127,"visibility":130,"parameters":131,"models_passed":139,"models_total":75},"Good","precomputed",{"level":128,"value":129},"High",100,{"score":120,"rating":17,"confidence":17},[132,135,142,145,149],{"name":113,"value":133,"label":17,"unit":117,"favourable":114,"score":134,"optimal_max":116,"marginal_max":134},0.8095586964773224,1,{"name":136,"value":137,"label":17,"unit":138,"favourable":107,"score":139,"optimal_max":140,"marginal_max":141},"Swell Period",6.9,"s",3,8,12,{"name":106,"value":143,"label":17,"unit":110,"favourable":107,"score":139,"optimal_max":109,"marginal_max":144},6.059913080964821,15,{"name":146,"value":5,"label":17,"unit":147,"favourable":107,"score":139,"optimal_max":75,"marginal_max":148},"Precipitation","mm",20,{"name":150,"value":17,"label":151,"unit":122,"favourable":114,"score":134,"optimal_max":17,"marginal_max":17},"Tidal Phase","flood",[],{"display_name":154},"Daniel","New South Wales","unverified",{"title":158,"description":159,"canonical_url":160,"og_image":161,"structured_data":162,"breadcrumbs":185},"Snorkeling Conditions at Cod Hole (Lennox Head area) - How's the Spot","Check snorkeling conditions at Cod Hole (Lennox Head area), New South Wales. Good conditions, water 21.7°C, waves 0.81m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fcod-hole-lennox-head-area","https:\u002F\u002Fhowsthespot.com\u002Fog-default.png",[163,172],{"@context":164,"@type":165,"name":11,"description":166,"url":160,"geo":167,"address":169},"https:\u002F\u002Fschema.org","Place","The Cod Hole is a renowned dive and snorkel site at Nguthungulli\u002FJulian Rocks, part of the Cape Byron Marine Park, about 2.5 km off the coast near Lennox Head. Named for the large Queensland groper...",{"@type":168,"latitude":13,"longitude":14},"GeoCoordinates",{"@type":170,"addressRegion":155,"addressCountry":171},"PostalAddress","Australia",{"@context":164,"@type":173,"name":174,"description":159,"url":160,"breadcrumb":175},"WebPage","Snorkeling Conditions at Cod Hole (Lennox Head area)",{"@context":164,"@type":176,"itemListElement":177},"BreadcrumbList",[178,182,184],{"@type":179,"position":134,"name":180,"item":181},"ListItem","Home","https:\u002F\u002Fhowsthespot.com",{"@type":179,"position":121,"name":155,"item":183},"https:\u002F\u002Fhowsthespot.com\u002Fexplore?region=new-south-wales",{"@type":179,"position":139,"name":11,"item":160},[186,188,190],{"label":180,"href":187},"\u002F",{"label":155,"href":189},"\u002Fexplore?region=new-south-wales",{"label":11,"href":191},"\u002Fspots\u002Fcod-hole-lennox-head-area",1791009142908]