[{"data":1,"prerenderedAt":179},["ShallowReactive",2],{"leaderboard-total":3,"spot-seo-henley-three-brothers":9,"spot-henley-three-brothers":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 Henley (Three Brothers) - How's the Spot","Check snorkeling conditions at Henley (Three Brothers), New South Wales. Good conditions, water 19.0°C, waves 0.28m","https:\u002F\u002Fhowsthespot.com\u002Fspots\u002Fhenley-three-brothers","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","Henley (Three Brothers)","Henley is a quiet waterside suburb on Sydney's Lower North Shore along the Parramatta River, with calm, protected shoreline conditions that invite gentle snorkeling. The \"Three Brothers\" refer to a...",{"@type":21,"latitude":22,"longitude":23},"GeoCoordinates",-33.842219,151.135942,{"@type":25,"addressRegion":26,"addressCountry":27},"PostalAddress","New South Wales","Australia",{"@context":16,"@type":29,"name":30,"description":11,"url":12,"breadcrumb":31},"WebPage","Snorkeling Conditions at Henley (Three Brothers)",{"@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=new-south-wales",{"@type":35,"position":43,"name":18,"item":12},3,[45,47,49],{"label":37,"href":46},"\u002F",{"label":26,"href":48},"\u002Fexplore?region=new-south-wales",{"label":18,"href":50},"\u002Fspots\u002Fhenley-three-brothers",{"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":117,"area_boundary":56,"routes":56,"created_at":124,"updated_at":125,"today_conditions":126,"today_verdict_view":147,"images":175,"submitted_by":176,"region_name":26,"verification_status":178,"verified_at":56,"disputed":169,"verifier_count":5,"last_verified_display_name":56},"4fc9e575-d037-48db-93a8-4e25d7e36b38","henley-three-brothers","Henley is a quiet waterside suburb on Sydney's Lower North Shore along the Parramatta River, with calm, protected shoreline conditions that invite gentle snorkeling. The \"Three Brothers\" refer to a trio of prominent rocky outcrops rising from the riverbed near the Henley foreshore — these formations create a shallow, reef-like habitat where local fish species gather. The site offers an easy shore entry and is sheltered from ocean swell, making it a peaceful spot to explore the river's aquatic life on a still day.","beginner",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],0.01718359939430835,0.01078179243878536,0.15873237976757346,0.029955523476551144,0.48997161195511635,0.005634268340468195,0.0009330261370360289,0.0052223179137695025,0.10955715008365964,0.09271386140079052,0.0472355257115133,0.01276404444469065,0.013706319532711767,0.11738125712026765,0.00792292194670764,[92,93,94,95,96,97,98,99,100,101,102,103,104,105,106],280.26952662443307,11.408791407712556,326.03320922323644,311.4665127031385,308.5049037036633,247.18497304043882,232.81662708636952,47.425631713348146,295.7204851032034,294.7076738816878,320.6177020945751,279.356661631654,306.4701033132656,315.7660191685081,271.5151133170513,"EOT20","1992-01-01T00:00:00Z",[110,114],{"name":111,"description":112,"severity":113,"season_start":56,"season_end":56},"Variable river current","Parramatta River tidal flow can create mild currents near the Three Brothers rocks. Best entered at slack tide.","caution",{"name":115,"description":116,"severity":113,"season_start":56,"season_end":56},"Boat traffic","The Parramatta River is a working waterway with recreational and commercial vessels. Stay aware of boat movements.",{"directions":118,"parking":119,"facilities":120,"fees":122,"access_method":123},"Located in the suburb of Henley, NSW, about 9 km west of Sydney CBD. Access is via Henley Marine Drive. The 'Three Brothers' rocky outcrops are visible from the shoreline near the Henley foreshore reserve.","Limited street parking available along Henley Marine Drive and adjacent streets.",[121],"parking","Free","shore_entry","2026-07-27T02:55:10.371024Z","2026-08-04T05:32:31.002473Z",{"verdict":127,"evaluated_at":128,"models":129},"go","2026-10-03T02:20:36.848884Z",[130,137,142],{"model_name":131,"is_favourable":132,"value":133,"threshold":134,"unit":135,"operator":136},"Wind Speed",true,7.62,10,"kn","lte",{"model_name":138,"is_favourable":132,"value":139,"threshold":140,"unit":141,"operator":136},"Wave Height",0.28,0.5,"m",{"model_name":143,"is_favourable":132,"value":144,"threshold":40,"unit":145,"operator":146},"Visibility",2.31,"","gte",{"verdict":127,"rating":148,"evaluated_at":128,"generated_at":128,"source":149,"confidence":150,"visibility":153,"parameters":154,"models_passed":43,"models_total":170},"Good","precomputed",{"level":151,"value":152},"High",100,{"score":144,"rating":56,"confidence":56},[155,156,162,165,172],{"name":138,"value":139,"label":56,"unit":141,"favourable":132,"score":43,"optimal_max":140,"marginal_max":36},{"name":157,"value":158,"label":56,"unit":159,"favourable":132,"score":43,"optimal_max":160,"marginal_max":161},"Swell Period",6.55,"s",8,12,{"name":131,"value":163,"label":56,"unit":135,"favourable":132,"score":43,"optimal_max":134,"marginal_max":164},7.6198528,15,{"name":166,"value":167,"label":56,"unit":168,"favourable":169,"score":36,"optimal_max":170,"marginal_max":171},"Precipitation",7.6,"mm",false,5,20,{"name":173,"value":56,"label":174,"unit":145,"favourable":169,"score":36,"optimal_max":56,"marginal_max":56},"Tidal Phase","flood",[],{"display_name":177},"Daniel","unverified",1791009159749]