[{"data":1,"prerenderedAt":191},["ShallowReactive",2],{"leaderboard-total":3,"spot-five-fathom-bank":9,"spot-seo-five-fathom-bank":156},{"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":90,"area_boundary":17,"routes":17,"created_at":98,"updated_at":99,"today_conditions":100,"today_verdict_view":123,"images":151,"submitted_by":152,"region_name":154,"verification_status":155,"verified_at":17,"disputed":113,"verifier_count":5,"last_verified_display_name":17},"b6c41e23-d6c2-463e-9dd7-0999c50c06b4","Five Fathom Bank","five-fathom-bank",-32.194444,115.611389,"Five Fathom Bank is an offshore submerged reef system located roughly 30 km southwest of Perth, sitting at around 9 metres (five fathoms) depth. This extensive limestone and sand ridge runs parallel to the coast, creating a nutrient-rich upwelling zone that attracts dense schools of fish and larger pelagics. Renowned among local divers and spearfishers for its abundant marine life — including blue groper, crayfish, and tailor — this exposed offshore bank offers clear oceanic waters and a wild, open-water snorkelling experience far removed from protected inshore beaches.","advanced",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],0.004159988306081504,0.009122680311313495,0.16717013938676306,0.014370909739068722,0.05300511540153903,0.00457059104862895,0.00451436079126805,0.004615502733581347,0.01382919059562658,0.12166946373764788,0.051183261372395567,0.023292547612229944,0.012560575933003356,0.04116038157271245,0.002695096564798189,[53,54,55,56,57,58,59,60,61,62,63,64,65,66,67],48.647030583162376,224.37435820632035,181.49480880634638,35.2626944839609,57.622773896343666,137.60980976669308,29.681926845373535,230.31254822107687,107.89340121761077,175.77454933696706,170.995770819227,172.95698555454157,321.6312783157764,62.382893072302,241.81794532512282,"EOT20","1992-01-01T00:00:00Z",[71,75,78,84,87],{"name":72,"description":73,"severity":74,"season_start":17,"season_end":17},"Strong ocean currents","Offshore bank exposed to open ocean currents and swell, with strong unpredictable flows.","warning",{"name":76,"description":77,"severity":74,"season_start":17,"season_end":17},"Boat traffic","Popular fishing and diving area with significant boat traffic; snorkelers must be vigilant.",{"name":79,"description":80,"severity":81,"season_start":82,"season_end":83},"Cold water temperatures","Open ocean water temps can drop well below 18°C, especially in winter (Jun–Aug).","caution",6,8,{"name":85,"description":86,"severity":74,"season_start":17,"season_end":17},"Large swell and surge","Exposed location receives significant south-westerly swell, creating surge over the shallow reef.",{"name":88,"description":89,"severity":81,"season_start":17,"season_end":17},"Limited shore access","Only accessible by boat; no emergency exit to shore, requiring self-sufficiency.",{"directions":91,"parking":92,"facilities":93,"fees":96,"access_method":97},"Five Fathom Bank is located approximately 30 km southwest of Perth, off the coast between Fremantle and Rockingham. Access is by private boat or charter only — there is no shore entry. Boat ramps at Fremantle Fishing Boat Harbour, Woodman Point, or Rockingham provide launch points.","Parking is available at Fremantle Fishing Boat Harbour, Woodman Point boat ramp, and Rockingham boat ramp car parks. Arrive early on weekends as lots fill quickly.",[94,95],"parking","boat_ramp","No entry fee, but boat launching fees may apply at some ramps (e.g. Fremantle).","boat","2026-07-27T02:58:49.187016Z","2026-08-04T05:36:16.070387Z",{"verdict":101,"evaluated_at":102,"models":103},"marginal","2026-10-03T02:22:34.042954Z",[104,111,117],{"model_name":105,"is_favourable":106,"value":107,"threshold":108,"unit":109,"operator":110},"Wind Speed",true,2.97,10,"kn","lte",{"model_name":112,"is_favourable":113,"value":114,"threshold":115,"unit":116,"operator":110},"Wave Height",false,1.14,0.5,"m",{"model_name":118,"is_favourable":113,"value":119,"threshold":120,"unit":121,"operator":122},"Visibility",1.8,2,"","gte",{"verdict":101,"rating":124,"evaluated_at":102,"generated_at":102,"source":125,"confidence":126,"visibility":129,"parameters":130,"models_passed":120,"models_total":146},"Fair","precomputed",{"level":127,"value":128},"High",100,{"score":119,"rating":17,"confidence":17},[131,133,138,142,148],{"name":112,"value":114,"label":17,"unit":116,"favourable":113,"score":5,"optimal_max":115,"marginal_max":132},1,{"name":134,"value":135,"label":17,"unit":136,"favourable":113,"score":132,"optimal_max":83,"marginal_max":137},"Swell Period",11.4,"s",12,{"name":105,"value":139,"label":17,"unit":109,"favourable":106,"score":140,"optimal_max":108,"marginal_max":141},2.9740752,3,15,{"name":143,"value":144,"label":17,"unit":145,"favourable":106,"score":140,"optimal_max":146,"marginal_max":147},"Precipitation",0.7,"mm",5,20,{"name":149,"value":17,"label":150,"unit":121,"favourable":113,"score":132,"optimal_max":17,"marginal_max":17},"Tidal Phase","ebb",[],{"display_name":153},"Daniel","Western Australia","unverified",{"title":157,"description":158,"canonical_url":159,"og_image":160,"structured_data":161,"breadcrumbs":184},"Snorkeling Conditions at Five Fathom Bank - How's the Spot","Check snorkeling conditions at Five Fathom Bank, Western Australia. Fair conditions, water 18.6°C, waves 1.14m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Ffive-fathom-bank","https:\u002F\u002Fhowsthespot.com\u002Fog-default.png",[162,171],{"@context":163,"@type":164,"name":11,"description":165,"url":159,"geo":166,"address":168},"https:\u002F\u002Fschema.org","Place","Five Fathom Bank is an offshore submerged reef system located roughly 30 km southwest of Perth, sitting at around 9 metres (five fathoms) depth. This extensive limestone and sand ridge runs paralle...",{"@type":167,"latitude":13,"longitude":14},"GeoCoordinates",{"@type":169,"addressRegion":154,"addressCountry":170},"PostalAddress","Australia",{"@context":163,"@type":172,"name":173,"description":158,"url":159,"breadcrumb":174},"WebPage","Snorkeling Conditions at Five Fathom Bank",{"@context":163,"@type":175,"itemListElement":176},"BreadcrumbList",[177,181,183],{"@type":178,"position":132,"name":179,"item":180},"ListItem","Home","https:\u002F\u002Fhowsthespot.com",{"@type":178,"position":120,"name":154,"item":182},"https:\u002F\u002Fhowsthespot.com\u002Fexplore?region=western-australia",{"@type":178,"position":140,"name":11,"item":159},[185,187,189],{"label":179,"href":186},"\u002F",{"label":154,"href":188},"\u002Fexplore?region=western-australia",{"label":11,"href":190},"\u002Fspots\u002Ffive-fathom-bank",1791009152331]