[{"data":1,"prerenderedAt":184},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-middle-grounds":9,"spot-middle-grounds":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 Middle Grounds - How's the Spot","Check snorkeling conditions at Middle Grounds, New South Wales. 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The reef forms a series of sandstone terraces and steps that drop toward the open ocean, offering snorkelers a chance to explore temperate rocky habitat in the clear, sheltered waters of Jervis Bay Marine Park. Its position in the middle of the bay entrance means it catches tidal flow, keeping water quality high and attracting diverse marine life.","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],0.021863669846192403,0.00812934201635684,0.16452603700691742,0.039010246894029876,0.47826025912751546,0.0029194712358436305,0.0012588430040932994,0.008645895805286938,0.10935118179019233,0.09110941977193482,0.051580263270956175,0.018074579861989074,0.004262414962221735,0.1048048577541418,0.004809999163943541,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],271.47053835587394,5.554850093359258,323.54882224474704,316.06056930348046,308.44446835328824,266.0539679803344,103.89843852866917,34.15943825099559,299.31824015886986,290.6554874780008,313.52799163731964,282.9030188767766,145.5799871913491,325.5849098968785,349.1200208112647,"EOT20","1992-01-01T00:00:00Z",[110,115,119],{"name":111,"description":112,"severity":113,"season_start":36,"season_end":114},"Outgoing tide current","The reef sits in the middle of Jervis Bay's entrance, where outgoing tides can produce strong currents across the shallow reef top.","warning",12,{"name":116,"description":117,"severity":118,"season_start":36,"season_end":114},"Boat traffic","Located at the entrance to Jervis Bay, Middle Grounds is frequented by vessels transiting in and out of the bay.","caution",{"name":120,"description":121,"severity":118,"season_start":36,"season_end":114},"Sharp reef ledges","The reef features stepped sandstone ledges with sharp edges that can cause cuts if contacted.",{"directions":123,"parking":124,"facilities":125,"fees":128,"access_method":129},"Middle Grounds is accessible only by boat, located roughly in the centre of the entrance channel to Jervis Bay, inside the bay itself. The closest boat ramps are at Currambene Creek (Huskisson) or Callala Bay. GPS: 35°06'29\"S, 150°46'00\"E (AUS66 datum).","Parking available at boat ramp car parks in Huskisson (Currambene Creek) or Callala Bay. Both require a day-use fee or national parks pass.",[126,127],"parking","boat_ramp","Jervis Bay National Park day entry fee or annual pass applies for vehicle access to ramp areas.","boat","2026-07-27T02:54:41.939622Z","2026-08-04T05:32:31.002358Z",{"verdict":133,"evaluated_at":134,"models":135},"marginal","2026-10-03T02:20:25.263904Z",[136,143,149],{"model_name":137,"is_favourable":138,"value":139,"threshold":140,"unit":141,"operator":142},"Wind Speed",false,10.61,10,"kn","lte",{"model_name":144,"is_favourable":145,"value":146,"threshold":147,"unit":148,"operator":142},"Wave Height",true,0.072,0.5,"m",{"model_name":150,"is_favourable":138,"value":151,"threshold":40,"unit":152,"operator":153},"Visibility",0.99,"","gte",{"verdict":133,"rating":155,"evaluated_at":134,"generated_at":134,"source":156,"confidence":157,"visibility":160,"parameters":161,"models_passed":40,"models_total":175},"Fair","precomputed",{"level":158,"value":159},"High",100,{"score":151,"rating":56,"confidence":56},[162,163,168,171,177],{"name":144,"value":146,"label":56,"unit":148,"favourable":145,"score":43,"optimal_max":147,"marginal_max":36},{"name":164,"value":165,"label":56,"unit":166,"favourable":138,"score":36,"optimal_max":167,"marginal_max":114},"Swell Period",9.35,"s",8,{"name":137,"value":169,"label":56,"unit":141,"favourable":138,"score":36,"optimal_max":140,"marginal_max":170},10.61005337958363,15,{"name":172,"value":173,"label":56,"unit":174,"favourable":138,"score":5,"optimal_max":175,"marginal_max":176},"Precipitation",24.4,"mm",5,20,{"name":178,"value":56,"label":179,"unit":152,"favourable":145,"score":43,"optimal_max":56,"marginal_max":56},"Tidal Phase","slack",[],{"display_name":182},"Daniel","unverified",1791009174598]