[{"data":1,"prerenderedAt":215},["ShallowReactive",2],{"leaderboard-total":3,"spot-border-island-cateran-bay":9,"spot-seo-border-island-cateran-bay":180},{"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":117,"area_boundary":17,"routes":17,"created_at":122,"updated_at":123,"today_conditions":124,"today_verdict_view":146,"images":175,"submitted_by":176,"region_name":178,"verification_status":179,"verified_at":17,"disputed":174,"verifier_count":5,"last_verified_display_name":17},"65cd0b18-60bc-4112-a2ae-3104bb9fb0f9","Border Island (Cateran Bay)","border-island-cateran-bay",-20.163481,149.032566,"Cateran Bay, on the western edge of Border Island, is a sheltered snorkeling haven within the Whitsundays' Marine National Park Green Zone. Protected from southerly winds, this quiet bay offers crystal-clear waters and a small sandy beach, with fringing coral reefs right off the shoreline teeming with vibrant corals and colorful reef fish. A short bushwalk (1.2 km return) to the ridge top rewards visitors with panoramic views over the surrounding Whitsunday Islands. The bay's protected status ensures pristine coral and abundant marine life, making it a favorite stop for yachts and tour boats alike.","beginner",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],0.032893021347541004,0.02213185296851309,0.3458950301391077,0.09013117982381041,0.9280147318895997,0.013491087081715598,0.001710662185972811,0.006532444004889737,0.23380994231119673,0.17415045354329697,0.10492480077734395,0.03157893616408055,0.004927010208062568,0.30987757800070076,0.01956747988485901,[53,54,55,56,57,58,59,60,61,62,63,64,65,66,67],355.46233241789434,49.791785865716804,37.79857706323266,353.11023735862426,25.14029531870204,69.90501483724495,73.62867835174848,181.27992779273478,5.747900480110559,10.501914675115557,33.66375275009805,343.0306754016043,336.05834389447364,355.2117221454274,311.6857162890398,"EOT20","1992-01-01T00:00:00Z",[71,75,80,83,86,90,94,99,102,105,108,111,114],{"name":72,"description":73,"severity":74,"season_start":17,"season_end":17},"Tidal Beach Access","The bay is accessible from mid-tide only; at low tide the beach may be muddy or rocky, making entry and exit more difficult.","caution",{"name":76,"description":77,"severity":74,"season_start":78,"season_end":79},"Wind Exposure","Strong southerly winds can create choppy conditions in the bay, though it is generally sheltered from the south.",5,9,{"name":81,"description":82,"severity":74,"season_start":17,"season_end":17},"Boat Traffic in Anchorage","Vessel traffic in the anchorage area — free public moorings mean boats may be arriving and departing, requiring awareness when snorkeling near mooring lines.",{"name":84,"description":85,"severity":74,"season_start":17,"season_end":17},"Shallow reef at low tide","The reef flat is best explored at high tide; low tide exposes shallow coral that can be hazardous to both snorkellers and marine life.",{"name":87,"description":88,"severity":74,"season_start":78,"season_end":89},"Southerly wind swells","Strong southerly winds can create choppy conditions in the Whitsunday Passage, though Cateran Bay itself is sheltered.",8,{"name":91,"description":92,"severity":93,"season_start":17,"season_end":17},"Marine stingers","Marine stingers (box jellyfish) may be present in warmer months, typically October to April.","warning",{"name":95,"description":96,"severity":74,"season_start":97,"season_end":98},"Southerly wind chop","Cateran Bay is best snorkeled during northerly winds. Southerly winds can create choppy conditions, reduced visibility, and stronger currents.",4,11,{"name":100,"description":101,"severity":74,"season_start":17,"season_end":17},"Tidal currents","Tidal currents can flow through the bay and around the island's points, especially during outgoing tides.",{"name":103,"description":104,"severity":74,"season_start":17,"season_end":17},"Shallow coral bommies","Shallow plate coral formations are easily damaged by fins or contact. Snorkelers must maintain buoyancy control to avoid injury to coral and themselves.",{"name":106,"description":107,"severity":74,"season_start":17,"season_end":17},"Tidal currents at bay entrance","Strong currents can develop at the entrance to Cateran Bay, particularly around the northwest tip. Tidal flow through the bay can be significant.",{"name":109,"description":110,"severity":74,"season_start":17,"season_end":17},"Submerged coral heads near moorings","Isolated submerged coral heads lurk in the mooring pickup area. Careful navigation is required when anchoring or picking up moorings to avoid damaging coral or the vessel.",{"name":112,"description":113,"severity":93,"season_start":17,"season_end":17},"Wind bullets in strong winds","During strong wind conditions, 'bullets' (gusts of wind funnelling down the hillsides) can affect anchored vessels in Cateran Bay.",{"name":115,"description":116,"severity":74,"season_start":17,"season_end":17},"Tide-dependent beach access","The sandy beach at Cateran Bay is only accessible at mid to high tide. At low tide the beach narrows significantly or disappears.",{"directions":118,"parking":119,"facilities":120,"fees":17,"access_method":121},"Border Island is located in the Whitsundays group, east of Hook Island. Access is by private or chartered vessel from Airlie Beach or Hamilton Island. The bay has free public moorings available, and the beach is accessible from mid-tide.","No parking on the island. Day visitors must arrive by boat from mainland launching points such as Airlie Beach, Shute Harbour, or Hamilton Island, where paid parking is available (approx. $10\u002Fday).",[],"boat","2026-07-27T02:54:14.265698Z","2026-08-04T05:32:31.002721Z",{"verdict":125,"evaluated_at":126,"models":127},"go","2026-10-03T02:17:23.514109Z",[128,135,140],{"model_name":129,"is_favourable":130,"value":131,"threshold":132,"unit":133,"operator":134},"Wind Speed",true,4.92,10,"kn","lte",{"model_name":136,"is_favourable":130,"value":137,"threshold":138,"unit":139,"operator":134},"Wave Height",0.129,0.5,"m",{"model_name":141,"is_favourable":130,"value":142,"threshold":143,"unit":144,"operator":145},"Visibility",2.7,2,"","gte",{"verdict":125,"rating":147,"evaluated_at":126,"generated_at":126,"source":148,"confidence":149,"visibility":152,"parameters":153,"models_passed":97,"models_total":78},"Excellent","precomputed",{"level":150,"value":151},"High",100,{"score":142,"rating":17,"confidence":17},[154,158,163,166,171],{"name":136,"value":155,"label":17,"unit":139,"favourable":130,"score":156,"optimal_max":138,"marginal_max":157},0.12875108367626886,3,1,{"name":159,"value":160,"label":17,"unit":161,"favourable":130,"score":156,"optimal_max":89,"marginal_max":162},"Swell Period",2.5,"s",12,{"name":129,"value":164,"label":17,"unit":133,"favourable":130,"score":156,"optimal_max":132,"marginal_max":165},4.922313137999999,15,{"name":167,"value":168,"label":17,"unit":169,"favourable":130,"score":156,"optimal_max":78,"marginal_max":170},"Precipitation",0.8,"mm",20,{"name":172,"value":17,"label":173,"unit":144,"favourable":174,"score":157,"optimal_max":17,"marginal_max":17},"Tidal Phase","flood",false,[],{"display_name":177},"Daniel","Queensland","unverified",{"title":181,"description":182,"canonical_url":183,"og_image":184,"structured_data":185,"breadcrumbs":208},"Snorkeling Conditions at Border Island (Cateran Bay) - How's the Spot","Check snorkeling conditions at Border Island (Cateran Bay), Queensland. Excellent conditions, water 23.2°C, waves 0.13m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fborder-island-cateran-bay","https:\u002F\u002Fhowsthespot.com\u002Fog-default.png",[186,195],{"@context":187,"@type":188,"name":11,"description":189,"url":183,"geo":190,"address":192},"https:\u002F\u002Fschema.org","Place","Cateran Bay, on the western edge of Border Island, is a sheltered snorkeling haven within the Whitsundays' Marine National Park Green Zone. Protected from southerly winds, this quiet bay offers cry...",{"@type":191,"latitude":13,"longitude":14},"GeoCoordinates",{"@type":193,"addressRegion":178,"addressCountry":194},"PostalAddress","Australia",{"@context":187,"@type":196,"name":197,"description":182,"url":183,"breadcrumb":198},"WebPage","Snorkeling Conditions at Border Island (Cateran Bay)",{"@context":187,"@type":199,"itemListElement":200},"BreadcrumbList",[201,205,207],{"@type":202,"position":157,"name":203,"item":204},"ListItem","Home","https:\u002F\u002Fhowsthespot.com",{"@type":202,"position":143,"name":178,"item":206},"https:\u002F\u002Fhowsthespot.com\u002Fexplore?region=queensland",{"@type":202,"position":156,"name":11,"item":183},[209,211,213],{"label":203,"href":210},"\u002F",{"label":178,"href":212},"\u002Fexplore?region=queensland",{"label":11,"href":214},"\u002Fspots\u002Fborder-island-cateran-bay",1791009134445]