[{"data":1,"prerenderedAt":178},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-horsburgh-island-snorkeling":9,"spot-horsburgh-island-snorkeling":45},{"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":40},"Snorkeling Conditions at Horsburgh Island - How's the Spot","Check snorkeling conditions at Horsburgh Island. Fair conditions, water 27.1°C, waves 0.16m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fhorsburgh-island-snorkeling","https:\u002F\u002Fhowsthespot.com\u002Fog-default.png",[15,27],{"@context":16,"@type":17,"name":18,"description":19,"url":12,"geo":20,"address":24},"https:\u002F\u002Fschema.org","Place","Horsburgh Island","Horsburgh Island (Pulu Luar), the northernmost islet of the Cocos (Keeling) Islands atoll, offers pristine coral reef snorkelling in a remote marine protected area. Its turquoise lagoon fringes a 1...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-12.067,96.842,{"@type":25,"addressCountry":26},"PostalAddress","AU",{"@context":16,"@type":28,"name":29,"description":11,"url":12,"breadcrumb":30},"WebPage","Snorkeling Conditions at Horsburgh Island",{"@context":16,"@type":31,"itemListElement":32},"BreadcrumbList",[33,38],{"@type":34,"position":35,"name":36,"item":37},"ListItem",1,"Home","https:\u002F\u002Fhowsthespot.com",{"@type":34,"position":39,"name":18,"item":12},2,[41,43],{"label":36,"href":42},"\u002F",{"label":18,"href":44},"\u002Fspots\u002Fhorsburgh-island-snorkeling",{"id":46,"name":18,"slug":47,"latitude":22,"longitude":23,"description":48,"difficulty":49,"image_url":50,"status":51,"tide_constituents":52,"hazard_entries":103,"access_info_structured":115,"area_boundary":50,"routes":50,"created_at":121,"updated_at":122,"today_conditions":123,"today_verdict_view":145,"images":174,"submitted_by":175,"region_name":50,"verification_status":177,"verified_at":50,"disputed":129,"verifier_count":5,"last_verified_display_name":50},"a3fecc39-9107-49e3-9dc9-152490a5e5c9","horsburgh-island-snorkeling","Horsburgh Island (Pulu Luar), the northernmost islet of the Cocos (Keeling) Islands atoll, offers pristine coral reef snorkelling in a remote marine protected area. Its turquoise lagoon fringes a 1 km² uninhabited island, where shallow reefs teem with tropical fish, sea turtles, and vibrant coral gardens. The calm lagoon waters provide excellent visibility, while the outer reef edges present more challenging conditions with stronger currents. Historic WWII six-inch gun emplacements add a unique cultural dimension to this untouched paradise, accessible only by organised tour from Home or West Island.","intermediate",null,"published",{"name":53,"amplitude":69,"phase":85,"latitude":22,"model":101,"epoch":102},[54,55,56,57,58,59,60,61,62,63,64,65,66,67,68],"2N2","J1","K1","K2","M2","M4","MF","MM","N2","O1","P1","Q1","S1","S2","T2",[70,71,72,73,74,75,76,77,78,79,80,81,82,83,84],0.008386227732257195,0.009036490935839366,0.14294236211889957,0.03091339478651281,0.305734026621535,0.0008042522589297345,0.014210248874056038,0.011167508005948278,0.07213481985994373,0.09155373005899616,0.04522163918122245,0.01689825104188027,0.006309992635088459,0.11331570562657693,0.010716409798976461,[86,87,88,89,90,91,92,93,94,95,96,97,98,99,100],277.39303418449003,190.67124200435157,153.8073704549338,347.60984942671627,312.2347039398435,133.262310314833,359.9618705727981,347.6698933749675,299.1956935216147,145.98614715112717,149.78420351986162,130.77082902076123,313.1159896883614,343.4230990520628,353.0455775254627,"EOT20","1992-01-01T00:00:00Z",[104,108,112],{"name":105,"description":106,"severity":107,"season_start":50,"season_end":50},"Tidal currents in atoll channels","Strong tidal currents can run through the atoll channels, especially around the northern passages. Best snorkelled an hour either side of low or high tide when currents are weakest.","warning",{"name":109,"description":110,"severity":111,"season_start":50,"season_end":50},"Remote location \u002F limited emergency services","The remote location means emergency medical services are far away. Snorkellers should be self-sufficient and experienced.","caution",{"name":113,"description":114,"severity":111,"season_start":50,"season_end":50},"Outer reef surge and swell","Exposed reef edges on the outer (windward) side of the island can have strong surge and breaking waves.",{"directions":116,"parking":117,"facilities":118,"fees":119,"access_method":120},"Horsburgh Island is the northernmost island of the South Keeling Islands atoll. Access is typically by organised boat tour from Home Island or West Island, as the island is uninhabited and lies within a marine protected area. No public ferry service.","No parking on island. Park at West Island or Home Island departure points.",[],"Access via tour operators; fees vary by operator. Check with Cocos Keeling Islands tour providers.","snorkel_tour","2026-07-27T02:53:54.731153Z","2026-08-04T05:34:24.990880Z",{"verdict":124,"evaluated_at":125,"models":126},"marginal","2026-10-03T02:18:48.298457Z",[127,134,140],{"model_name":128,"is_favourable":129,"value":130,"threshold":131,"unit":132,"operator":133},"Wind Speed",false,15.29,10,"kn","lte",{"model_name":135,"is_favourable":136,"value":137,"threshold":138,"unit":139,"operator":133},"Wave Height",true,0.162,0.5,"m",{"model_name":141,"is_favourable":129,"value":142,"threshold":39,"unit":143,"operator":144},"Visibility",0.99,"","gte",{"verdict":124,"rating":146,"evaluated_at":125,"generated_at":125,"source":147,"confidence":148,"visibility":151,"parameters":152,"models_passed":39,"models_total":169},"Fair","precomputed",{"level":149,"value":150},"High",100,{"score":142,"rating":50,"confidence":50},[153,156,162,165,171],{"name":135,"value":154,"label":50,"unit":139,"favourable":136,"score":155,"optimal_max":138,"marginal_max":35},0.16200000000000003,3,{"name":157,"value":158,"label":50,"unit":159,"favourable":129,"score":5,"optimal_max":160,"marginal_max":161},"Swell Period",12.1,"s",8,12,{"name":128,"value":163,"label":50,"unit":132,"favourable":129,"score":5,"optimal_max":131,"marginal_max":164},15.293693332839451,15,{"name":166,"value":167,"label":50,"unit":168,"favourable":129,"score":35,"optimal_max":169,"marginal_max":170},"Precipitation",13.3,"mm",5,20,{"name":172,"value":50,"label":173,"unit":143,"favourable":136,"score":155,"optimal_max":50,"marginal_max":50},"Tidal Phase","slack",[],{"display_name":176},"Daniel","unverified",1791009161259]