[{"data":1,"prerenderedAt":199},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-one-tree-reef-keppel-islands":9,"spot-one-tree-reef-keppel-islands":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 One Tree Reef (Keppel Islands) - How's the Spot","Check snorkeling conditions at One Tree Reef (Keppel Islands), Queensland. Excellent conditions, water 23.3°C, waves 0.29m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fone-tree-reef-keppel-islands","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_one-tree-reef-keppel-islands_0_18f97216249b.jpg",[15,28],{"@context":16,"@type":17,"name":18,"description":19,"url":12,"geo":20,"address":24},"https:\u002F\u002Fschema.org","Place","One Tree Reef (Keppel Islands)","One Tree Reef is a pristine, 5.5 km by 3.5 km lagoonal platform reef in the southern Great Barrier Reef, crowned by the tiny One Tree Island coral cay. This remote, research-only reef is part of th...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-23.487744,152.054606,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","Queensland","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at One Tree Reef (Keppel Islands)",{"@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=queensland",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=queensland",{"label":18,"href":50},"\u002Fspots\u002Fone-tree-reef-keppel-islands",{"id":52,"name":18,"slug":53,"latitude":22,"longitude":23,"description":54,"difficulty":55,"image_url":13,"status":56,"tide_constituents":57,"hazard_entries":108,"access_info_structured":136,"area_boundary":113,"routes":113,"created_at":140,"updated_at":141,"today_conditions":142,"today_verdict_view":162,"images":190,"submitted_by":196,"region_name":26,"verification_status":198,"verified_at":113,"disputed":188,"verifier_count":5,"last_verified_display_name":113},"b8d03d52-9f22-43b5-b974-73cda761adde","one-tree-reef-keppel-islands","One Tree Reef is a pristine, 5.5 km by 3.5 km lagoonal platform reef in the southern Great Barrier Reef, crowned by the tiny One Tree Island coral cay. This remote, research-only reef is part of the Capricornia Cays National Park and hosts a University of Sydney research station. Its shallow lagoon, back-reef sand apron, and rhodolith beds support vibrant coral formations and exceptional water clarity. The reef is a critical seabird breeding site and offers world-class snorkeling amid pristine coral gardens — though access is highly restricted, preserving its untouched condition.","intermediate","published",{"name":58,"amplitude":74,"phase":90,"latitude":22,"model":106,"epoch":107},[59,60,61,62,63,64,65,66,67,68,69,70,71,72,73],"2N2","J1","K1","K2","M2","M4","MF","MM","N2","O1","P1","Q1","S1","S2","T2",[75,76,77,78,79,80,81,82,83,84,85,86,87,88,89],0.026245720352574258,0.014751563309721312,0.24471268937949994,0.07794395447600508,0.7628936691562133,0.00780333141969259,0.00421605737515239,0.0028535544725204875,0.17919798177228513,0.13034005023376435,0.06882677833992124,0.026660972727891766,0.005476913827830307,0.26825728557823925,0.016621268151008187,[91,92,93,94,95,96,97,98,99,100,101,102,103,104,105],299.42841724741163,22.771362058243536,4.677340071201025,311.08961880891286,316.57338835791467,261.78098536434476,8.062201757288964,73.06231692574038,308.3936921287617,336.72872206795125,359.68043285737565,318.6841464020424,328.26520906887066,314.40947633695214,304.3993127231631,"EOT20","1992-01-01T00:00:00Z",[109,114,118,121,124,127,130,133],{"name":110,"description":111,"severity":112,"season_start":113,"season_end":113},"Tidal currents","The reef is subject to tidal currents that can be strong around the reef edge and channels, especially during spring tides. Snorkellers should be aware of changing tides.","caution",null,{"name":115,"description":116,"severity":117,"season_start":113,"season_end":113},"Stinger season (jellyfish)","Marine stingers (box jellyfish and Irukandji) are present in the southern Great Barrier Reef waters, particularly during the warmer months.","warning",{"name":119,"description":120,"severity":112,"season_start":113,"season_end":113},"Sharp coral","Exposed coral can cause cuts and abrasions. Snorkellers should avoid touching coral and wear protective footwear.",{"name":122,"description":123,"severity":117,"season_start":113,"season_end":113},"Remote location — limited medical access","As a research-only zone with limited facilities, medical evacuation is difficult and slow. The island is remote with no full-time medical staff.",{"name":125,"description":126,"severity":117,"season_start":113,"season_end":113},"Strong tidal currents","The reef is exposed to the open ocean and strong tidal flows through the lagoon channel can sweep snorkelers off course.",{"name":128,"description":129,"severity":117,"season_start":113,"season_end":113},"Marine stingers (box jellyfish)","Box jellyfish and other stingers are present in the southern Great Barrier Reef waters, particularly during the warmer months.",{"name":131,"description":132,"severity":112,"season_start":113,"season_end":113},"Sharp coral rubble","Sharp coral rubble and shingle cay shoreline can cause cuts and abrasions.",{"name":134,"description":135,"severity":112,"season_start":113,"season_end":113},"Intense sun exposure","Extreme sun exposure with limited shade on the cay and reef flat.",{"directions":137,"parking":138,"facilities":113,"fees":113,"access_method":139},"One Tree Reef is located approximately 96 km east-northeast of Gladstone, Queensland. Access is by private or chartered vessel only. The reef is part of the Capricornia Cays National Park and is a protected scientific research zone managed by the University of Sydney — general public access is restricted and requires permits. Most visitors access the southern Great Barrier Reef via boat tours from Gladstone or Great Keppel Island.","No parking available — the reef is offshore. Park at Gladstone marina or Rosslyn Bay if chartering a vessel from the mainland or Great Keppel Island ferry terminals.","boat","2026-07-27T02:54:05.663524Z","2026-08-04T05:36:16.070402Z",{"verdict":143,"evaluated_at":144,"models":145},"go","2026-10-03T02:19:11.782288Z",[146,153,158],{"model_name":147,"is_favourable":148,"value":149,"threshold":150,"unit":151,"operator":152},"Wind Speed",true,5.95,10,"kn","lte",{"model_name":154,"is_favourable":148,"value":155,"threshold":156,"unit":157,"operator":152},"Wave Height",0.29,0.5,"m",{"model_name":159,"is_favourable":148,"value":43,"threshold":40,"unit":160,"operator":161},"Visibility","","gte",{"verdict":143,"rating":163,"evaluated_at":144,"generated_at":144,"source":164,"confidence":165,"visibility":168,"parameters":169,"models_passed":189,"models_total":183},"Excellent","precomputed",{"level":166,"value":167},"High",100,{"score":43,"rating":113,"confidence":113},[170,171,177,180,185],{"name":154,"value":155,"label":113,"unit":157,"favourable":148,"score":43,"optimal_max":156,"marginal_max":36},{"name":172,"value":173,"label":113,"unit":174,"favourable":148,"score":43,"optimal_max":175,"marginal_max":176},"Swell Period",6.2,"s",8,12,{"name":147,"value":178,"label":113,"unit":151,"favourable":148,"score":43,"optimal_max":150,"marginal_max":179},5.9481504,15,{"name":181,"value":5,"label":113,"unit":182,"favourable":148,"score":43,"optimal_max":183,"marginal_max":184},"Precipitation","mm",5,20,{"name":186,"value":113,"label":187,"unit":160,"favourable":188,"score":36,"optimal_max":113,"marginal_max":113},"Tidal Phase","flood",false,4,[191],{"id":192,"image_url":13,"sort_order":5,"is_primary":148,"moderation_status":193,"license":194,"license_url":195,"attribution":113,"author_name":113},"504e0bfa-5a79-4067-84fe-7c462b655ae2","approved","CC BY-SA 3.0 igo","https:\u002F\u002Fcreativecommons.org\u002Flicenses\u002Fby-sa\u002F3.0\u002Figo\u002F",{"display_name":197},"Daniel","unverified",1791009182097]