[{"data":1,"prerenderedAt":194},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-the-tunnel-batemans-bay":9,"spot-the-tunnel-batemans-bay":51},{"entries":4,"total":5,"period":6,"type":7,"generated_at":8},[],0,"all_time","reports","2026-10-02T06:59:37.379659Z",{"title":10,"description":11,"canonical_url":12,"og_image":13,"structured_data":14,"breadcrumbs":44},"Snorkeling Conditions at The Tunnel (Batemans Bay) - How's the Spot","Check snorkeling conditions at The Tunnel (Batemans Bay), Victoria. Good conditions, water 19.3°C, waves 0.88m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fthe-tunnel-batemans-bay","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","The Tunnel (Batemans Bay)","The Tunnel is an extraordinary offshore reef dive and snorkel site near Black Rock, south of Batemans Bay. Named for a dramatic 15–20 metre long rock cutting that resembles a train tunnel through t...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-35.7795417,150.2484117,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","Victoria","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at The Tunnel (Batemans Bay)",{"@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=victoria",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=victoria",{"label":18,"href":50},"\u002Fspots\u002Fthe-tunnel-batemans-bay",{"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":132,"area_boundary":56,"routes":56,"created_at":140,"updated_at":141,"today_conditions":142,"today_verdict_view":164,"images":190,"submitted_by":191,"region_name":26,"verification_status":193,"verified_at":56,"disputed":155,"verifier_count":5,"last_verified_display_name":56},"15f7aad6-e9f7-4581-9206-1749e1536e7b","the-tunnel-batemans-bay","The Tunnel is an extraordinary offshore reef dive and snorkel site near Black Rock, south of Batemans Bay. Named for a dramatic 15–20 metre long rock cutting that resembles a train tunnel through the reef, this site features a slatey\u002Fpebble tunnel floor leading to a vertical hole that ascends to the reef top at 12 metres. The reef walls are almost vertical and covered in brilliant purple algae, colourful gorgonians, sea squirts, and sponges. The terrain transitions from a wall dropping to 21 metres on a sandy bottom up to shallow reef flats at 9 metres — a truly unique snorkelling experience accessible only by boat.","advanced",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],0.025175270402700466,0.009358445352375523,0.16451328854216618,0.040302975633953214,0.4739433582353802,0.003890094676889207,0.0064681985621754855,0.0016104579377770269,0.1133946441650511,0.09324809093516688,0.04436633728722439,0.02279752907971658,0.0029223853539759917,0.10182908543532064,0.008300018409809137,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],270.3300601137531,0.03497780787265015,323.8751396927944,310.9991572485384,308.66846793132135,224.1555923760734,201.7552943227888,323.1499340251169,299.82728606676733,291.52489789737604,312.0450074087591,275.2080078394768,44.731227066423294,326.7049403932215,349.07536222596474,"EOT20","1992-01-01T00:00:00Z",[110,115,119,122,126,129],{"name":111,"description":112,"severity":113,"season_start":36,"season_end":114},"Depth and decompression risk","Site drops to 21 metres — well beyond snorkel depth. Snorkellers must stay on the reef top (9–12 m) and be strong freedivers with excellent breath-hold.","danger",12,{"name":116,"description":117,"severity":118,"season_start":36,"season_end":114},"Strong currents and ocean swells","The cutting and tunnel can funnel currents. Exposed to ocean swells; only calm conditions suitable.","warning",{"name":120,"description":121,"severity":118,"season_start":36,"season_end":114},"Boat traffic","Only accessible by boat from Batemans Bay. Snorkellers must be visible to boats and dive from a moored\u002Fanchor position.",{"name":123,"description":124,"severity":125,"season_start":36,"season_end":114},"Sharp reef and rock edges","Vertical rock walls, boulders, and slatey pebble bottom on the tunnel floor present cutting hazards.","caution",{"name":127,"description":128,"severity":125,"season_start":36,"season_end":114},"Tidal currents","The site can experience significant tidal movement, especially through The Tunnel and around the reef walls. Snorkelers should be aware of changing conditions.",{"name":130,"description":131,"severity":118,"season_start":36,"season_end":114},"Sudden depth drop-off","Depth drops sharply from 9 m to 21 m at the reef wall. Snorkelers should stay in shallower areas and be mindful of depth changes.",{"directions":133,"parking":134,"facilities":135,"fees":138,"access_method":139},"This offshore reef site lies near Black Rock, south of Batemans Bay. Accessible only by boat. GPS coordinates: 35° 46.7725' S, 150° 14.9047' E (WGS84). Line up the right side of the glass fence to the left of the boat ramp with the right side of the northernmost rocks at the entrance to the bay. Run in or out until the left side of Black Rock aligns with the western end of the headland behind. Anchor when the depth comes up from 20+ metres to about 9 metres.","Park at the Batemans Bay boat ramp area. Vehicle parking available near the ramp.",[136,137],"parking","boat_ramp","No direct fee for the site. Boat launching fees or charter costs may apply. Check local boat ramp fees.","boat","2026-07-27T02:54:36.582290Z","2026-08-04T05:30:44.786493Z",{"verdict":143,"evaluated_at":144,"models":145},"go","2026-10-02T02:22:58.645467Z",[146,153,159],{"model_name":147,"is_favourable":148,"value":149,"threshold":150,"unit":151,"operator":152},"Wind Speed",true,0.66,10,"kn","lte",{"model_name":154,"is_favourable":155,"value":156,"threshold":157,"unit":158,"operator":152},"Wave Height",false,0.878,0.5,"m",{"model_name":160,"is_favourable":155,"value":161,"threshold":40,"unit":162,"operator":163},"Visibility",1.5,"","gte",{"verdict":143,"rating":165,"evaluated_at":144,"generated_at":144,"source":166,"confidence":167,"visibility":170,"parameters":171,"models_passed":43,"models_total":185},"Good","precomputed",{"level":168,"value":169},"High",100,{"score":161,"rating":56,"confidence":56},[172,174,179,182,187],{"name":154,"value":173,"label":56,"unit":158,"favourable":155,"score":36,"optimal_max":157,"marginal_max":36},0.877838853632,{"name":175,"value":176,"label":56,"unit":177,"favourable":148,"score":43,"optimal_max":178,"marginal_max":114},"Swell Period",6.95,"s",8,{"name":147,"value":180,"label":56,"unit":151,"favourable":148,"score":43,"optimal_max":150,"marginal_max":181},0.6562605736610427,15,{"name":183,"value":40,"label":56,"unit":184,"favourable":148,"score":43,"optimal_max":185,"marginal_max":186},"Precipitation","mm",5,20,{"name":188,"value":56,"label":189,"unit":162,"favourable":155,"score":36,"optimal_max":56,"marginal_max":56},"Tidal Phase","ebb",[],{"display_name":192},"Daniel","unverified",1790924512804]