[{"data":1,"prerenderedAt":192},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-mackerel-islands":9,"spot-mackerel-islands":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 Mackerel Islands - How's the Spot","Check snorkeling conditions at Mackerel Islands, Western Australia. Good conditions, water 23.8°C, waves 0.06m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fmackerel-islands","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","Mackerel Islands","The Mackerel Islands — consisting of Thevenard and Direction Islands among 10 islets — sit just north of the Ningaloo Reef in the Pilbara, offering pristine fringing reefs and coral bombies accessi...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-21.460177,115.022239,{"@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 Mackerel Islands",{"@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\u002Fmackerel-islands",{"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":127,"area_boundary":56,"routes":56,"created_at":137,"updated_at":138,"today_conditions":139,"today_verdict_view":161,"images":188,"submitted_by":189,"region_name":26,"verification_status":191,"verified_at":56,"disputed":145,"verifier_count":5,"last_verified_display_name":56},"36016b52-d9db-4289-a903-dff659087c99","mackerel-islands","The Mackerel Islands — consisting of Thevenard and Direction Islands among 10 islets — sit just north of the Ningaloo Reef in the Pilbara, offering pristine fringing reefs and coral bombies accessible straight from the beach. This remote archipelago is a snorkeling paradise where you can drift over vibrant coral gardens teeming with reef fish, sea turtles, and rays. Low tides reveal calm, crystal-clear waters perfect for exploring the island's snorkel trail, with boat-accessible bommies for more adventurous explorers. An untouched wilderness with world-class marine biodiversity.","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],0.012011240945414389,0.010896727680182237,0.20829205302238896,0.08181482535597581,0.5472773308021086,0.01764784949111243,0.005692909748122043,0.0029047721902852384,0.10203510015395088,0.13346350061610834,0.0637181754702659,0.03054729181741326,0.01777965053363764,0.29038644714424483,0.014001230043701818,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],6.153734545695955,181.93722176231284,170.53456404464197,121.36806306118757,64.64530326850195,159.8053112299693,356.261527275679,85.4342771431765,36.90877447190916,160.41139077190272,168.4923345797515,156.45693891093674,329.1205604730127,126.98517170326973,134.71881366962458,"EOT20","1992-01-01T00:00:00Z",[110,114,118,121,124],{"name":111,"description":112,"severity":113,"season_start":56,"season_end":56},"Strong currents and tides","Tidal movements around the islands can create currents, especially near reef channels and bommies. Snorkellers should be aware of changing tide conditions.","caution",{"name":115,"description":116,"severity":117,"season_start":56,"season_end":56},"Marine stingers","Tropical marine stingers such as box jellyfish may be present in warm Pilbara waters, particularly during summer months.","warning",{"name":119,"description":120,"severity":113,"season_start":56,"season_end":56},"Remote location","The islands are remote with limited immediate medical facilities. Snorkellers should be self-sufficient and carry communication equipment.",{"name":122,"description":123,"severity":113,"season_start":56,"season_end":56},"Boat traffic near moorings","The main boat mooring area and snorkel trail sites see vessel traffic. Snorkellers should be vigilant near boat channels and mooring zones.",{"name":125,"description":126,"severity":113,"season_start":56,"season_end":56},"Sharp coral and reef hazards","Fringing reefs and coral bombies have sharp edges. Snorkellers should wear protective footwear and avoid touching coral to prevent cuts.",{"directions":128,"parking":129,"facilities":130,"fees":135,"access_method":136},"Mackerel Islands are accessed via Onslow on the Pilbara coast. Fly from Perth to Onslow Airport, then take a 30-minute boat transfer operated by Mackerel Islands resort (book in advance). Alternatively, drive from Karratha (2.5 hrs) or Exmouth (4 hrs).","Parking available at the Mackerel Islands mainland depot in Onslow for guests. Secure long-term parking can be arranged through the resort.",[131,132,133,134],"toilets","showers","drinking_water","picnic_tables","Accommodation packages include boat transfers. Snorkel gear can be hired from the activity centre. Contact the resort for current pricing.","shore_entry","2026-07-27T02:59:34.098530Z","2026-08-04T05:30:44.786746Z",{"verdict":140,"evaluated_at":141,"models":142},"go","2026-10-03T02:16:21.932028Z",[143,150,156],{"model_name":144,"is_favourable":145,"value":146,"threshold":147,"unit":148,"operator":149},"Wind Speed",false,12.41,10,"kn","lte",{"model_name":151,"is_favourable":152,"value":153,"threshold":154,"unit":155,"operator":149},"Wave Height",true,0.06,0.5,"m",{"model_name":157,"is_favourable":152,"value":158,"threshold":40,"unit":159,"operator":160},"Visibility",2.5,"","gte",{"verdict":140,"rating":162,"evaluated_at":141,"generated_at":141,"source":163,"confidence":164,"visibility":167,"parameters":168,"models_passed":43,"models_total":183},"Good","precomputed",{"level":165,"value":166},"High",100,{"score":158,"rating":56,"confidence":56},[169,171,177,180,185],{"name":151,"value":170,"label":56,"unit":155,"favourable":152,"score":43,"optimal_max":154,"marginal_max":36},0.05970199991857342,{"name":172,"value":173,"label":56,"unit":174,"favourable":152,"score":43,"optimal_max":175,"marginal_max":176},"Swell Period",6.25,"s",8,12,{"name":144,"value":178,"label":56,"unit":148,"favourable":145,"score":36,"optimal_max":147,"marginal_max":179},12.41020418613002,15,{"name":181,"value":5,"label":56,"unit":182,"favourable":152,"score":43,"optimal_max":183,"marginal_max":184},"Precipitation","mm",5,20,{"name":186,"value":56,"label":187,"unit":159,"favourable":145,"score":36,"optimal_max":56,"marginal_max":56},"Tidal Phase","flood",[],{"display_name":190},"Daniel","unverified",1791009170926]