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A 700-metre marked snorkel trail winds through the Parker Point Marine Sanctuary, featuring 10 interpretive buoys that guide you past shallow limestone reefs, vibrant coral gardens, and algae forests. With crystal-clear, never-deep waters, this trail is an underwater classroom — expect to see black scalyfins, Green Moon Wrasse, Western King Wrasse, Western Buffalo Bream, and the occasional Western Rock Lobster sneaking through the seagrass.","beginner","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],0.004246646050641868,0.00929715593939091,0.16671990024248595,0.013763551056940972,0.05442926686434654,0.004831037571235754,0.005031046440380575,0.004593391224684983,0.013459586396300377,0.12210902263225695,0.05066823186019397,0.023037956390366602,0.013620958504661312,0.04165109266427433,0.002988107938348202,[91,92,93,94,95,96,97,98,99,100,101,102,103,104,105],38.07168459976013,226.5547116816707,181.76307460570933,39.03973987574349,58.69595906491372,131.53454162642942,33.33911075183571,222.96465763182368,105.85905092868404,176.01364000372735,171.0963195429075,173.02286853875765,319.8592487484466,64.23281584403975,227.84649155086737,"EOT20","1992-01-01T00:00:00Z",[109,115,119,122,125,128],{"name":110,"description":111,"severity":112,"season_start":113,"season_end":114},"Afternoon sea breeze","Winds pick up significantly in the afternoon, creating choppy surface conditions and reduced visibility for snorkellers.","caution",10,12,{"name":116,"description":117,"severity":112,"season_start":118,"season_end":118},"Boat traffic near trail entry","The bay entrance area can see boats and ferries; stay within the marked snorkel trail boundaries.",null,{"name":120,"description":121,"severity":112,"season_start":118,"season_end":118},"Limited facilities","No toilets, drinking water, or food outlets at the bay itself; the nearest toilets are a short walk away at Parker Point.",{"name":123,"description":124,"severity":112,"season_start":36,"season_end":43},"Strong southerly winds","Strong southerly winds can create choppy surface conditions and reduced visibility, particularly in summer (December to March).",{"name":126,"description":127,"severity":112,"season_start":118,"season_end":118},"Tidal currents","Like all Rottnest beaches, currents can shift with tidal movements; always check conditions before entering the water.",{"name":129,"description":130,"severity":112,"season_start":118,"season_end":118},"Sharp limestone reef","Sharp limestone reef edges and rock platforms along the snorkel trail can cause cuts if contacted.",{"directions":132,"parking":133,"facilities":134,"fees":136,"access_method":137},"From Thomson Bay settlement, cycle 5 km south along the island's east coast (approx. 25 mins by bike). 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