[{"data":1,"prerenderedAt":220},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-hmas-perth-dive-wreck":9,"spot-hmas-perth-dive-wreck":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 HMAS Perth Dive Wreck - How's the Spot","Check snorkeling conditions at HMAS Perth Dive Wreck, Western Australia. Hazardous conditions, water 17.4°C, waves 1.32m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fhmas-perth-dive-wreck","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_hmas-perth-dive-wreck_0_6eccb58690c6.jpg",[15,28],{"@context":16,"@type":17,"name":18,"description":19,"url":12,"geo":20,"address":24},"https:\u002F\u002Fschema.org","Place","HMAS Perth Dive Wreck","Sunk in 2001 in King George Sound, the 133-metre-long HMAS Perth II guided missile destroyer rests upright at 5–36 m depth, creating one of Australia's premier artificial reef experiences. The wrec...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-35.079618,117.968144,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","Western Australia","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at HMAS Perth Dive Wreck",{"@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=western-australia",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=western-australia",{"label":18,"href":50},"\u002Fspots\u002Fhmas-perth-dive-wreck",{"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":147,"area_boundary":118,"routes":118,"created_at":156,"updated_at":157,"today_conditions":158,"today_verdict_view":180,"images":205,"submitted_by":217,"region_name":26,"verification_status":219,"verified_at":118,"disputed":171,"verifier_count":5,"last_verified_display_name":118},"a1d71392-a94d-4f5e-8f62-1ac2352452f5","hmas-perth-dive-wreck","Sunk in 2001 in King George Sound, the 133-metre-long HMAS Perth II guided missile destroyer rests upright at 5–36 m depth, creating one of Australia's premier artificial reef experiences. The wreck has transformed into a vibrant ecosystem, festooned with colourful sponges, soft corals and sea fans, while resident wobbegong (carpet) sharks lurk on decks and yellowtail kingfish patrol the superstructure. Snorkelers can explore the shallower portions from the surface; divers follow an interpretive trail past remnants of Vietnam War shellfire damage, the gun deck, bridge and skipper's chair. Humpback whales occasionally pass through the sound during migration season.","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],0.00920562139785729,0.00808760300008723,0.17784281345480218,0.030444338171913634,0.07447683591014816,0.0029690830238803894,0.0025896316295856685,0.00429314171493949,0.03358008464900331,0.13415629694318487,0.055242240920116314,0.03170376751387039,0.012183146816254074,0.09553591835608652,0.007658880052951592,[91,92,93,94,95,96,97,98,99,100,101,102,103,104,105],114.06810427260093,221.58558372296352,207.66402273812753,73.78421752097668,100.41169648313763,281.7581265722909,105.00432206378271,237.53885951107975,146.6137275794465,197.38300351018597,204.29071712707974,188.33391085397534,334.79695421039713,89.17239092137453,134.05493637259497,"EOT20","1992-01-01T00:00:00Z",[109,115,119,123,126,130,133,136,141,144],{"name":110,"description":111,"severity":112,"season_start":113,"season_end":114},"Cold water temperatures","Water temperatures in King George Sound can be very cold year-round (12–18°C), increasing the risk of hypothermia without adequate exposure protection.","warning",5,11,{"name":116,"description":117,"severity":112,"season_start":118,"season_end":118},"Strong currents","Tidal currents in King George Sound can run strongly around the wreck structure, particularly during tide changes.",null,{"name":120,"description":121,"severity":122,"season_start":118,"season_end":118},"Marine traffic","The wreck is in an active shipping channel and boating area; snorkelers must stay aware of vessel traffic and use a dive flag.","caution",{"name":124,"description":125,"severity":122,"season_start":118,"season_end":118},"Depth and entanglement","The wreck rises to only 5m from the surface in places but has many protrusions, cables, and snag hazards for snorkelers exploring close to the structure.",{"name":127,"description":128,"severity":112,"season_start":36,"season_end":129},"Depth and decompression risk","The wreck sits at ~35 m depth; snorkeling the surface is safe but free-diving to structure requires experience. For scuba, this is a deep dive requiring certifications.",12,{"name":131,"description":132,"severity":112,"season_start":36,"season_end":129},"Strong tidal currents","King George Sound can experience strong tidal flows that sweep around Seal Island. Currents can be unpredictable and may push snorkelers\u002Fdivers off course.",{"name":134,"description":135,"severity":122,"season_start":36,"season_end":129},"Boat traffic","The wreck is accessed by boat from Albany with regular dive-charter and private vessel traffic in the Sound.",{"name":137,"description":138,"severity":122,"season_start":139,"season_end":140},"Limited visibility","Visibility varies with swell and wind conditions; can drop suddenly during southern ocean fronts.",6,9,{"name":142,"description":143,"severity":112,"season_start":36,"season_end":129},"Strong Currents in King George Sound","Tidal flows in the sound can create unpredictable currents, especially around the wreck structure.",{"name":145,"description":146,"severity":112,"season_start":36,"season_end":129},"Enclosed Spaces and Entanglement","The wreck interior has tight compartments and potential entanglement hazards for divers entering the superstructure.",{"directions":148,"parking":149,"facilities":150,"fees":154,"access_method":155},"The wreck lies 8 km south-east of Albany in King George Sound, off Seal Island. Access is by private or charter boat only — no shore access. Several Albany dive operators (e.g. Albany Dive Centre, South West Dive) run regular trips to the site. Albany is a 4.5-hour drive south of Perth via the Albany Highway.","Parking available at the Albany marina and boat ramp areas. Street parking also available near the Emu Point boat ramp.",[151,152,153],"parking","toilets","boat_ramp","Free to access if using your own boat. Charter dive trips range from approximately AUD $100–$180 per person depending on gear hire. No entry fee for the site itself.","boat","2026-07-27T02:59:14.484999Z","2026-08-04T05:34:24.990869Z",{"verdict":159,"evaluated_at":160,"models":161},"no_go","2026-10-03T02:18:45.681719Z",[162,169,175],{"model_name":163,"is_favourable":164,"value":165,"threshold":166,"unit":167,"operator":168},"Wind Speed",true,3.97,10,"kn","lte",{"model_name":170,"is_favourable":171,"value":172,"threshold":173,"unit":174,"operator":168},"Wave Height",false,1.32,0.5,"m",{"model_name":176,"is_favourable":171,"value":177,"threshold":40,"unit":178,"operator":179},"Visibility",1.65,"","gte",{"verdict":159,"rating":181,"evaluated_at":160,"generated_at":160,"source":182,"confidence":183,"visibility":186,"parameters":187,"models_passed":36,"models_total":113},"Hazardous","precomputed",{"level":184,"value":185},"High",100,{"score":177,"rating":118,"confidence":118},[188,189,194,197,202],{"name":170,"value":172,"label":118,"unit":174,"favourable":171,"score":5,"optimal_max":173,"marginal_max":36},{"name":190,"value":191,"label":118,"unit":192,"favourable":171,"score":36,"optimal_max":193,"marginal_max":129},"Swell Period",11.6,"s",8,{"name":163,"value":195,"label":118,"unit":167,"favourable":164,"score":43,"optimal_max":166,"marginal_max":196},3.9654336,15,{"name":198,"value":199,"label":118,"unit":200,"favourable":171,"score":36,"optimal_max":113,"marginal_max":201},"Precipitation",5.5,"mm",20,{"name":203,"value":118,"label":204,"unit":178,"favourable":171,"score":36,"optimal_max":118,"marginal_max":118},"Tidal Phase","ebb",[206,213],{"id":207,"image_url":13,"sort_order":5,"is_primary":164,"moderation_status":208,"license":209,"license_url":210,"attribution":211,"author_name":212},"c646d96f-ec56-4a8d-99c1-41565d5ba7f7","approved","Public domain","https:\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:HMAS_Perth_(D29)_wreck_photo_03_in_October_2015.JPG","Photo by U.S. Navy photo by Mass Communication Specialist 2nd Class Arthurgwain L. Marquez","U.S. Navy photo by Mass Communication Specialist 2nd Class Arthurgwain L. Marquez",{"id":214,"image_url":215,"sort_order":36,"is_primary":171,"moderation_status":208,"license":209,"license_url":216,"attribution":211,"author_name":212},"2e30a47d-32b9-4c07-8061-c43f667c8ea4","https:\u002F\u002Fhowsthespot.syd1.cdn.digitaloceanspaces.com\u002Fspots\u002Fimport_hmas-perth-dive-wreck_1_6c2e0372913b.jpg","https:\u002F\u002Fcommons.wikimedia.org\u002Fwiki\u002FFile:HMAS_Perth_(D29)_wreck_photo_01_in_October_2015.JPG",{"display_name":218},"Daniel","unverified",1791009160557]