[{"data":1,"prerenderedAt":189},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-ss-northern-firth-wreck":9,"spot-ss-northern-firth-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 SS Northern Firth (wreck) - How's the Spot","Check snorkeling conditions at SS Northern Firth (wreck), Victoria. Fair conditions, water 19.4°C, waves 0.37m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fss-northern-firth-wreck","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","SS Northern Firth (wreck)","The SS Northern Firth was a 1,954-ton steamer that ran aground on Brush Island's north-eastern reef on 22 February 1932. Today the wreck's colossal boiler — a giant open-ended cylinder — sits in sh...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-35.526305,150.415445,{"@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 SS Northern Firth (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=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\u002Fss-northern-firth-wreck",{"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":128,"area_boundary":56,"routes":56,"created_at":135,"updated_at":136,"today_conditions":137,"today_verdict_view":159,"images":185,"submitted_by":186,"region_name":26,"verification_status":188,"verified_at":56,"disputed":155,"verifier_count":5,"last_verified_display_name":56},"447a0195-3e46-4b6b-9e13-67fab1c5b39f","ss-northern-firth-wreck","The SS Northern Firth was a 1,954-ton steamer that ran aground on Brush Island's north-eastern reef on 22 February 1932. Today the wreck's colossal boiler — a giant open-ended cylinder — sits in shallow waters just off the island's shore, making it a uniquely accessible wreck snorkel. Located off Murramarang Beach, south of Ulladulla on the NSW South Coast, the site offers close-up views of this rusted steel relic surrounded by temperate reef life. The boiler itself is large enough to swim through, offering a rare snorkelling encounter with maritime history.","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],0.0243907218134794,0.00851775106496495,0.16480588428685122,0.04025958471277175,0.476274858815067,0.0033226869465799004,0.0029268635011209182,0.004386596064848765,0.11317527135267304,0.09046905971404133,0.04758160492970891,0.022038958307834536,0.0024652209362508986,0.10375532227767705,0.006997272379754387,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],269.73159198271526,357.5916552285388,324.32057876353866,315.7482556916853,308.7302426484083,225.80554298512845,197.84086522038325,24.920698363086615,299.68905237635363,291.19794591886915,312.2171512374694,280.67547636011363,109.13502588914326,327.110389172948,349.697220278339,"EOT20","1992-01-01T00:00:00Z",[110,115,121,125],{"name":111,"description":112,"severity":113,"season_start":36,"season_end":114},"Submerged reef and rocks","Uncharted shallow reef extends off Brush Island's north-eastern side — the same reef that sank the Northern Firth. Sharp rocks lie just below the surface.","danger",12,{"name":116,"description":117,"severity":118,"season_start":119,"season_end":120},"Ocean swell and surge","The wreck lies on an exposed section of the island's north-eastern corner, open to ocean swells. Surge conditions can make snorkelling around the boiler hazardous.","warning",6,8,{"name":122,"description":123,"severity":124,"season_start":36,"season_end":114},"Strong currents","Tidal currents can run strongly around Brush Island, particularly during outgoing tides, affecting your ability to stay on site.","caution",{"name":126,"description":127,"severity":124,"season_start":36,"season_end":114},"Boat traffic","The site is accessed by boat and is in an area used by local fishers and dive charters. Snorkellers should stay aware of vessel movements.",{"directions":129,"parking":130,"facilities":131,"fees":133,"access_method":134},"From Ulladulla, head south along the coast to Murramarang Beach opposite Brush Island. The wreck site is off the north-eastern side of Brush Island. GPS coordinates: 35° 31.5783' S 150° 24.9267' E (WGS84). The island lies less than 200 m offshore, but the wreck requires a boat or kayak to reach. Launch from Murramarang Beach.","Parking available at Murramarang Beach access points off the Princes Highway south of Ulladulla.",[132],"parking","No fees for beach access. Private boat or charter required.","boat","2026-07-27T02:54:38.756388Z","2026-08-04T05:32:31.002387Z",{"verdict":138,"evaluated_at":139,"models":140},"marginal","2026-10-03T02:20:24.145525Z",[141,148,153],{"model_name":142,"is_favourable":143,"value":144,"threshold":145,"unit":146,"operator":147},"Wind Speed",true,8.39,10,"kn","lte",{"model_name":149,"is_favourable":143,"value":150,"threshold":151,"unit":152,"operator":147},"Wave Height",0.37,0.5,"m",{"model_name":154,"is_favourable":155,"value":156,"threshold":40,"unit":157,"operator":158},"Visibility",false,0.99,"","gte",{"verdict":138,"rating":160,"evaluated_at":139,"generated_at":139,"source":161,"confidence":162,"visibility":165,"parameters":166,"models_passed":184,"models_total":179},"Fair","precomputed",{"level":163,"value":164},"High",100,{"score":156,"rating":56,"confidence":56},[167,168,172,175,181],{"name":149,"value":150,"label":56,"unit":152,"favourable":143,"score":43,"optimal_max":151,"marginal_max":36},{"name":169,"value":170,"label":56,"unit":171,"favourable":143,"score":43,"optimal_max":120,"marginal_max":114},"Swell Period",6.8,"s",{"name":142,"value":173,"label":56,"unit":146,"favourable":143,"score":43,"optimal_max":145,"marginal_max":174},8.3876696,15,{"name":176,"value":177,"label":56,"unit":178,"favourable":155,"score":5,"optimal_max":179,"marginal_max":180},"Precipitation",25.5,"mm",5,20,{"name":182,"value":56,"label":183,"unit":157,"favourable":143,"score":43,"optimal_max":56,"marginal_max":56},"Tidal Phase","slack",4,[],{"display_name":187},"Daniel","unverified",1791009199702]