[{"data":1,"prerenderedAt":184},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-halfway-island-dive-site":9,"spot-halfway-island-dive-site":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 Halfway Island dive site - How's the Spot","Check snorkeling conditions at Halfway Island dive site, Queensland. Excellent conditions, water 22.7°C, waves 0.12m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fhalfway-island-dive-site","https:\u002F\u002Fhowsthespot.com\u002Fog-default.png",[15,28],{"@context":16,"@type":17,"name":18,"description":19,"url":12,"geo":20,"address":24},"https:\u002F\u002Fschema.org","Place","Halfway Island dive site","Halfway Island is a small, uninhabited sand cay perched between Great Keppel Island (Wop-pa) and Humpy Island in the Keppel Bay Islands, part of the southern Great Barrier Reef. This tiny island is...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-23.198371,150.971828,{"@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 Halfway Island dive site",{"@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\u002Fhalfway-island-dive-site",{"id":52,"name":18,"slug":53,"latitude":22,"longitude":23,"description":54,"difficulty":55,"image_url":56,"status":57,"tide_constituents":58,"hazard_entries":109,"access_info_structured":122,"area_boundary":56,"routes":56,"created_at":130,"updated_at":131,"today_conditions":132,"today_verdict_view":152,"images":180,"submitted_by":181,"region_name":26,"verification_status":183,"verified_at":56,"disputed":178,"verifier_count":5,"last_verified_display_name":56},"f7a0c0e5-0dad-4f90-9d4f-7d78dc82f846","halfway-island-dive-site","Halfway Island is a small, uninhabited sand cay perched between Great Keppel Island (Wop-pa) and Humpy Island in the Keppel Bay Islands, part of the southern Great Barrier Reef. This tiny island is surrounded by fringing coral reefs and clear turquoise waters, making it a prime snorkel and dive site. The site is known for its pelagic fish, large rays, and occasional sharks that cruise through the channels between the islands. A popular spot for boat-based day trips, picnics, and underwater exploration, it offers a classic Capricorn Coast reef experience with healthy coral bommies and excellent visibility in calm conditions.","intermediate",null,"published",{"name":59,"amplitude":75,"phase":91,"latitude":22,"model":107,"epoch":108},[60,61,62,63,64,65,66,67,68,69,70,71,72,73,74],"2N2","J1","K1","K2","M2","M4","MF","MM","N2","O1","P1","Q1","S1","S2","T2",[76,77,78,79,80,81,82,83,84,85,86,87,88,89,90],0.04578644987199834,0.02167991615957254,0.30344758966685065,0.1478155969872338,1.4197458649362027,0.009520944619651278,0.004121158745566991,0.0036590173804400146,0.31090290561914324,0.1518584515602322,0.08686931872716863,0.024089218959439766,0.012896870479072273,0.46603125128503065,0.02646208304514322,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],324.1411289793584,36.187788876243175,13.654126909143153,346.94645599282484,355.1667164039799,5.5970107065493275,15.717233679758145,116.83285261638483,345.25287086789524,345.4016483486043,9.94500086328048,308.7232178769647,315.7672253521945,354.29022399366715,329.8496996007748,"EOT20","1992-01-01T00:00:00Z",[110,115,119],{"name":111,"description":112,"severity":113,"season_start":36,"season_end":114},"Tidal channel currents","Tidal currents can be strong in the channel between Great Keppel Island and Humpy Island, especially around changing tides. Best dived at slack high tide.","warning",12,{"name":116,"description":117,"severity":118,"season_start":36,"season_end":114},"Wind exposure","Strong winds (particularly from the north and east) can degrade visibility and create choppy conditions, limiting access to the site.","caution",{"name":120,"description":121,"severity":113,"season_start":56,"season_end":56},"Marine stingers (box jellyfish)","Marine stingers (box jellyfish) are present in these waters during the warmer months (October to May).",{"directions":123,"parking":124,"facilities":125,"fees":128,"access_method":129},"Halfway Island is located between Great Keppel Island (Wop-pa) and Humpy Island in the Keppel Bay Islands, off the Capricorn Coast in Queensland. Access is by private boat or via a snorkel\u002Fdive tour with operators such as Keppel Dive, departing from Rosslyn Bay Marina or Great Keppel Island.","Parking is available at Rosslyn Bay Marina for boat ramp and tour operators. On Great Keppel Island, limited parking is near the ferry terminal area. The marina car park can fill up during peak season.",[126,127],"toilets","parking","No entry fee for the island itself. Snorkel\u002Fdive tours range from approximately $90-$150 AUD per person.","boat","2026-07-27T02:54:03.199276Z","2026-08-04T05:37:15.121137Z",{"verdict":133,"evaluated_at":134,"models":135},"go","2026-10-03T02:22:14.848943Z",[136,143,148],{"model_name":137,"is_favourable":138,"value":139,"threshold":140,"unit":141,"operator":142},"Wind Speed",true,1.35,10,"kn","lte",{"model_name":144,"is_favourable":138,"value":145,"threshold":146,"unit":147,"operator":142},"Wave Height",0.122,0.5,"m",{"model_name":149,"is_favourable":138,"value":43,"threshold":40,"unit":150,"operator":151},"Visibility","","gte",{"verdict":133,"rating":153,"evaluated_at":134,"generated_at":134,"source":154,"confidence":155,"visibility":158,"parameters":159,"models_passed":179,"models_total":173},"Excellent","precomputed",{"level":156,"value":157},"High",100,{"score":43,"rating":56,"confidence":56},[160,162,167,170,175],{"name":144,"value":161,"label":56,"unit":147,"favourable":138,"score":43,"optimal_max":146,"marginal_max":36},0.12213185489185183,{"name":163,"value":164,"label":56,"unit":165,"favourable":138,"score":43,"optimal_max":166,"marginal_max":114},"Swell Period",5.25,"s",8,{"name":137,"value":168,"label":56,"unit":141,"favourable":138,"score":43,"optimal_max":140,"marginal_max":169},1.3505562186929037,15,{"name":171,"value":5,"label":56,"unit":172,"favourable":138,"score":43,"optimal_max":173,"marginal_max":174},"Precipitation","mm",5,20,{"name":176,"value":56,"label":177,"unit":150,"favourable":178,"score":36,"optimal_max":56,"marginal_max":56},"Tidal Phase","flood",false,4,[],{"display_name":182},"Daniel","unverified",1791009157988]