[{"data":1,"prerenderedAt":222},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-helen-rock-helens-rock":9,"spot-helen-rock-helens-rock":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 Helen Rock (Helens Rock) - How's the Spot","Check snorkeling conditions at Helen Rock (Helens Rock), Victoria. Hazardous conditions, water 14.8°C, waves 1.42m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fhelen-rock-helens-rock","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","Helen Rock (Helens Rock)","Helen Rock (aka Helens Rock) is a magnificent submerged granite pinnacle rising from 20m depth to just 2m below the surface, located about 1 km offshore from Tower Hill in Armstrongs Bay on Victori...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-38.366833,142.370067,{"@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 Helen Rock (Helens Rock)",{"@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\u002Fhelen-rock-helens-rock",{"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":160,"area_boundary":56,"routes":56,"created_at":168,"updated_at":169,"today_conditions":170,"today_verdict_view":191,"images":218,"submitted_by":219,"region_name":26,"verification_status":221,"verified_at":56,"disputed":176,"verifier_count":5,"last_verified_display_name":56},"bcb29c02-d05a-4673-bcde-74c5c55e228f","helen-rock-helens-rock","Helen Rock (aka Helens Rock) is a magnificent submerged granite pinnacle rising from 20m depth to just 2m below the surface, located about 1 km offshore from Tower Hill in Armstrongs Bay on Victoria's Shipwreck Coast. This spectacular dive and snorkel site is swathed in vibrantly coloured soft corals, gorgonians and sponges, and is always surrounded by pelagic fish like Kingfish, Yellowtail and Trevally. A true photographer's paradise, the rock sits offshore between Warrnambool and Port Fairy, offering a wild, exposed encounter with Victoria's rugged southern ocean marine life. Access is by boat only, requiring calm conditions with minimal swell.","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],0.0030299899748723698,0.010900086338134852,0.17583689075983136,0.03893236266497743,0.13194725774607197,0.004984181290019023,0.00495439723369257,0.006238464470839488,0.012050762543202394,0.1282378192085795,0.05405474193030178,0.032458594862743315,0.013649887316466974,0.14050276309225096,0.012688486968436795,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],154.65558147949253,281.15829558901515,257.5192207875522,116.65552009885494,37.51233214544675,109.87273857499491,173.32790827417045,249.2024604299512,294.5938505164257,238.47885626588055,250.22830541219935,222.89542452436638,13.475909168050464,113.4396000255694,123.25136965947331,"EOT20","1992-01-01T00:00:00Z",[110,115,118,124,130,133,136,139,142,145,148,151,154,157],{"name":111,"description":112,"severity":113,"season_start":36,"season_end":114},"Submerged Pinnacle Hazard","The top of the rock sits just 2 metres below the surface, making it a navigation hazard for boats approaching the site.","warning",12,{"name":116,"description":117,"severity":113,"season_start":36,"season_end":114},"Strong Ocean Currents","The site is subject to currents that can be strong, requiring good conditions and careful timing.",{"name":119,"description":120,"severity":121,"season_start":122,"season_end":123},"Swell and Rough Conditions","Perfectly calm waters with minimal swell are required; this exposed offshore site is only diveable in ideal conditions.","danger",6,9,{"name":125,"description":126,"severity":127,"season_start":128,"season_end":129},"Cold Water Temperatures","Southern Ocean waters are cold year-round, requiring a thick wetsuit (7mm+ recommended) or drysuit.","caution",5,11,{"name":131,"description":132,"severity":127,"season_start":36,"season_end":114},"Remote Offshore Location","Located 1 km offshore with no shore access; boat-only access means self-sufficiency is essential.",{"name":134,"description":135,"severity":121,"season_start":36,"season_end":114},"Submerged Pinnacle","The rock pinnacle rises to just 2 m below the surface — a serious hazard to boats and unwary swimmers. Approach with extreme caution.",{"name":137,"description":138,"severity":113,"season_start":36,"season_end":114},"Ocean Currents","The site is subject to unpredictable currents, especially around tide changes. Requires good conditions and awareness.",{"name":140,"description":141,"severity":113,"season_start":122,"season_end":123},"Exposed Offshore Location","Located 1 km offshore in open ocean. Only suitable in perfectly calm, low-swell conditions. Swell can pick up rapidly.",{"name":143,"description":144,"severity":127,"season_start":36,"season_end":114},"Boat Traffic","The site is a navigation hazard marked for boats; snorkelers must stay vigilant for vessel traffic approaching the area.",{"name":146,"description":147,"severity":121,"season_start":56,"season_end":56},"Submerged pinnacle (shallow rock head)","The top of the reef sits only 2 metres below the surface — easily struck by boats or swimmers unaware of the reef's location.",{"name":149,"description":150,"severity":113,"season_start":56,"season_end":56},"Strong currents","The site is subject to variable currents that can sweep snorkelers off the reef. Ideal conditions require perfectly calm, minimal swell.",{"name":152,"description":153,"severity":113,"season_start":56,"season_end":56},"Boat traffic hazard","Helen Rock is a known navigation hazard for mariners; snorkelers share the area with vessels accessing this offshore pinnacle.",{"name":155,"description":156,"severity":113,"season_start":56,"season_end":56},"Offshore swell exposure","Open to Southern Ocean swells on Victoria's Shipwreck Coast; conditions can deteriorate rapidly, making exit difficult.",{"name":158,"description":159,"severity":127,"season_start":56,"season_end":56},"Cold water &amp; deep drop-offs","Water depth plunges to 20 metres around the pinnacle; cold Victorian waters require appropriate wetsuit thickness.",{"directions":161,"parking":162,"facilities":163,"fees":166,"access_method":167},"Located approximately 1 km offshore from Tower Hill, in Armstrongs Bay, between Warrnambool (east) and Killarney\u002FPort Fairy (west), about 270 km west of Melbourne on Victoria's Shipwreck Coast. The site is reached by boat from the Port Fairy - Griffiths St Boat Ramp, or alternatively from the Killarney Bay Ramp, Killarney Bay East Ramp, or Warrnambool (Lady Bay) boat ramp.","Parking is available at the boat ramps: Griffiths Street, Port Fairy; Killarney Bay; and Lady Bay, Warrnambool.",[164,165],"parking","boat_ramp","No fees for snorkeling, but boat launching fees may apply at some ramps.","boat","2026-07-27T02:58:02.550918Z","2026-08-04T05:36:16.070435Z",{"verdict":171,"evaluated_at":172,"models":173},"no_go","2026-10-03T02:18:20.440847Z",[174,181,186],{"model_name":175,"is_favourable":176,"value":177,"threshold":178,"unit":179,"operator":180},"Wind Speed",false,13.82,10,"kn","lte",{"model_name":182,"is_favourable":176,"value":183,"threshold":184,"unit":185,"operator":180},"Wave Height",1.418,0.5,"m",{"model_name":187,"is_favourable":176,"value":188,"threshold":40,"unit":189,"operator":190},"Visibility",0.91,"","gte",{"verdict":171,"rating":192,"evaluated_at":172,"generated_at":172,"source":193,"confidence":194,"visibility":197,"parameters":198,"models_passed":36,"models_total":128},"Hazardous","precomputed",{"level":195,"value":196},"High",100,{"score":188,"rating":56,"confidence":56},[199,201,206,209,214],{"name":182,"value":200,"label":56,"unit":185,"favourable":176,"score":5,"optimal_max":184,"marginal_max":36},1.4182132304954291,{"name":202,"value":203,"label":56,"unit":204,"favourable":176,"score":36,"optimal_max":205,"marginal_max":114},"Swell Period",10.2,"s",8,{"name":175,"value":207,"label":56,"unit":179,"favourable":176,"score":36,"optimal_max":178,"marginal_max":208},13.824357188652852,15,{"name":210,"value":211,"label":56,"unit":212,"favourable":176,"score":5,"optimal_max":128,"marginal_max":213},"Precipitation",29,"mm",20,{"name":215,"value":56,"label":216,"unit":189,"favourable":217,"score":43,"optimal_max":56,"marginal_max":56},"Tidal Phase","slack",true,[],{"display_name":220},"Daniel","unverified",1791009159677]